{
  "response": {
    "Key": "DEN-SEA",
    "orig": {
      "code": "DEN",
      "type": "airport",
      "city": "Denver",
      "fullCity": "Denver, Colorado",
      "airport": "Denver Intl Airport"
    },
    "dest": {
      "code": "SEA",
      "type": "airport",
      "city": "Seattle",
      "fullCity": "Seattle, Washington",
      "airport": "Seattle-Tacoma Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Denver to Seattle?",
        "answer": "The flight from Denver to Seattle is about 1,020 miles and typically takes 3 hours. In the other direction, the return is about 15 minutes shorter at 2 hours 45 minutes.",
        "methodology": "Flight times and distances come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). The typical flight time is the median scheduled block time across all carriers on the route, computed the same way in both directions so the difference reflects prevailing winds rather than any change in method. Distance is the great-circle distance between the two airports, so the actual flown track is typically 2-5% longer.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q1": {
        "question": "Are there any direct flights from Denver to Seattle?",
        "answer": "Yes, there are plenty of direct flights from Denver to Seattle. Five airlines operate non‑stop service: Southwest (124 flights per week), Alaska (110), United (105), Delta (64), and Frontier (24), all running daily schedules. With over 400 weekly non‑stop flights across the carriers, you can fly any day of the week at nearly any hour from early morning through late evening.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Seattle?",
        "answer": "Seattle-Tacoma International Airport offers several ground transportation options to reach the city center, including public transit (buses and Link light rail), taxis, app-based rideshare (Lyft, Uber, Wingz), rental cars, and airporters or courtesy shuttles. The Link light rail is generally the fastest and most used option for downtown Seattle, offering frequent service and avoiding traffic congestion. Taxis and rideshare provide door-to-door convenience but may be slower during peak hours. Rental cars are available for travelers needing flexibility, and shared shuttle vans serve the broader Puget Sound area.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.portseattle.org/flySEAapp",
            "title": "FlySEA App | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/sea/ground-transportation/doortodoor",
            "title": "Door to Door Shuttle | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/places/sea-tac-airport",
            "title": "Seattle-Tacoma International Airport (SEA) | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/sea",
            "title": "Seattle-Tacoma International Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico",
            "time_published": "2026-09-10T00:00:00Z"
          },
          {
            "url": "https://www.portseattle.org/sea-tac",
            "title": "Seattle-Tacoma International Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Denver to Seattle?",
        "answer": "Average fares from Denver to Seattle bottom out around $193 in late January, with January, February, and October as the cheapest months overall at $199–$205. The most expensive stretch is early July, when average fares reach about $284, with July, June, and May the priciest months overall.",
        "methodology": "Seasonal fares come from Priceline's own air booking-summary archive, analysed in-house and refreshed monthly. For each day of the year we take a representative round-trip fare, a blend of the 25th-percentile and average ticket price over the route's bookings, and smooth the series into a seasonal curve; the half-month low and high and the monthly figures quoted here are averages of that curve. Thin and international routes borrow their seasonal shape from the nearest busy routes, with the price level anchored to the route's own bookings.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Denver to Seattle?",
        "answer": "For Denver to Seattle, the best fares are typically found when booking 4 to 7 weeks before departure, averaging about $169. Booking around 30 days out can be slightly cheaper at $167, while waiting until the final week pushes prices above $250. Summer and holiday periods see less discounting, so aim for the earlier end of that window during peak travel times.",
        "methodology": "Booking-window guidance comes from the same monthly in-house analysis of Priceline's own air booking-summary archive. We aggregate the route's bookings by how many days before departure they were made, from about 180 days out to the day of travel, smooth the curve, and highlight the stretch of lead times with the lowest average fare. Thin and international routes borrow the curve shape from the nearest busy routes, anchored to the route's own price level. It reflects current fares and is refreshed monthly.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Denver to Seattle?",
        "answer": "Yes, overnight red‑eye flights are available nonstop from Denver to Seattle. Southwest offers the most with up to 23 weekly red‑eyes departing daily between about 9:15 PM and 10:50 PM, while United, Frontier, and Alaska also operate red‑eyes on select evenings with departures roughly between 9:00 PM and 10:30 PM. The flight is short — around 2.5 to 3 hours — so these late departures typically land in Seattle the same night, before midnight Pacific time.",
        "methodology": "Red-eye flights are identified from scheduled local departure and arrival times in our flight-schedule database — built from published airline timetables and official schedule data, including U.S. Department of Transportation records for domestic routes — flagging services that depart late at night and arrive the following morning; for connecting itineraries the red-eye is based on the timing of the overnight long-haul leg.",
        "toolsUsed": [
          "redeye_flights"
        ]
      },
      "q7": {
        "question": "Which airlines usually operate this route from Denver to Seattle?",
        "answer": "Southwest, Alaska, United, Delta, and Frontier all fly nonstop from Denver to Seattle. Southwest leads with 124 weekly flights, Alaska runs 110, United 105, and Delta 64, while Frontier offers 24. Typical median fares are around $328 on Southwest, $312 on Alaska, $392 on United, $318 on Delta, and $212 on Frontier, which is the low-fare leader.",
        "methodology": "Airlines and weekly frequencies come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a typical fare is shown for a carrier, it is the median of the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Denver and Seattle?",
        "answer": "Common layovers include Salt Lake City, Portland, San Francisco and Phoenix, which offer broad connections and efficient transfers."
      },
      "q9": {
        "question": "How reliable are on‑time arrivals on this route from Denver to Seattle?",
        "answer": "On-time arrival reliability between Denver and Seattle varies by carrier, with United at 78.8% and Delta at 77.1%, both with cancellation rates below 0.5%. Alaska Airlines arrives on time 68.7% of the time, Frontier 69.4%, and Southwest 62.6%. The most reliable option is Delta Connection, operated by SkyWest, at 80.3% on-time arrivals with zero cancellations.",
        "methodology": "On-time arrival and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; a flight counts as on time when it arrives within 15 minutes of schedule. Carriers are ranked by arrival on-time rate on this route, and the carrier list itself comes from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI).",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Seattle?",
        "answer": "July through September offers the driest, sunniest weather and pleasant temperatures with fewer tourists than peak summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Denver to Seattle?",
        "answer": "For this domestic U.S. flight, bring a Real ID-compliant driver's license or passport, ensure the name matches your ticket, and have a payment method for any baggage fees. Proof of onward travel and vaccinations are not required within the United States."
      },
      "q12": {
        "question": "Which airport should I use in Seattle?",
        "answer": "Seattle-Tacoma International Airport is the primary commercial airport serving the Seattle area. It is located about 14 miles south of downtown, offers extensive domestic and international connections, and is a major hub for Alaska Airlines and Delta Air Lines. No other airport in the city handles scheduled passenger flights."
      },
      "q13": {
        "question": "How do I get to Denver Intl Airport from the city center?",
        "answer": "From downtown Denver, the RTD A Line train is the most popular, budget-friendly option, taking about 37 minutes to reach Denver International Airport with 24/7 service every 15 minutes. Ride-share services like Uber and Lyft, along with taxis, offer faster door-to-door travel at roughly 25–35 minutes and are available 24/7, though they cost more than public transit. Shared-ride shuttles and hotel shuttles provide another mid-range option for door-to-door service, while driving yourself means off-site parking with a free shuttle to the terminal. The A Line is generally fastest for avoiding traffic and cheapest, while ride-share is the most convenient for solo travelers.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.flydenver.com/parking-and-transportation/to-and-from/",
            "title": "Getting To and From | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:36:33Z"
          },
          {
            "url": "https://flydenver.com/parking-and-transportation/to-and-from/public-bus-or-train-rtd",
            "title": "Public Bus or Train | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:47:06Z"
          },
          {
            "url": "https://www.flydenver.com/parking-and-transportation/to-and-from/airport-transit-center/",
            "title": "Airport Transit Center | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-05-15T18:45:07Z"
          },
          {
            "url": "https://faa.gov/air_traffic/publications/domesticnotices/dom25010_af.html",
            "title": "DENVER INTERNATIONAL AIRPORT (KDEN) standard taxi routes",
            "favicon": "https://faa.gov/air_traffic/publications/domesticnotices/assets/images/favicon.ico"
          },
          {
            "url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=DEN&p=1",
            "title": "Denver International Airport"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Seattle airport?",
        "answer": "Seattle-Tacoma International Airport has no transit hotel or airside sleeping rooms, so overnight guests must exit the secure area and clear security again in the morning. The nearest hotels are within about 10 minutes of the airport via free shuttle, and no sleep cabins or day rooms are available. The Hilton Seattle Airport & Conference Center is the closest option at 0.3 miles, accessible by skybridge.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.sleepinginairports.net/guides/seattle-airport-guide.htm",
            "title": "Seattle Airport Guide (SEA) - Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/nitropack_static/oBWrHkPujHTPIaVWqdDSDhClXUyrYhhb/assets/images/optimized/rev-b853180/www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png",
            "time_published": "2018-08-08T19:18:01Z"
          },
          {
            "url": "https://ihg.com/holidayinnexpress/hotels/tw/zh/seatac/seaib/hoteldetail",
            "title": "Seattle Airport Hotel | Holiday Inn Express & Suites Seattle-Sea-Tac Airport",
            "favicon": "https://digital.ihg.com/is/image/ihg/app-web-chiclet-holidayinnexpress?fmt=png-alpha"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/seata-fairfield-inn-and-suites-seattle-sea-tac-airport/overview/",
            "title": "Fairfield Inn & Suites Seattle Sea-Tac Airport - Free Shuttle Service",
            "time_published": "2025-02-19T00:00:00Z"
          },
          {
            "url": "https://ihg.com/seattle-washington/hotels-near-seattle-tacoma-international",
            "title": "25 Hotels Near SEA Seattle-Tacoma International (SEA) Airport | IHG",
            "favicon": "https://digital.ihg.com/is/image/ihg/app-web-chiclet-ihg?fmt=png-alpha"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Seattle-Tacoma Intl Airport?",
        "answer": "Seattle-Tacoma International Airport has two Interfaith Prayer and Meditation Rooms, welcoming people of all faiths and beliefs, located in the A and C Concourses. Free Wi-Fi is available in The Club at SEA lounges, found in the A Concourse near Gate A12 and on the S Concourse mezzanine above Gate S10.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.portseattle.org/services-amenities/airport-lounges",
            "title": "Lounges at SEA | Port of Seattle",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.portseattle.org/places/sea-tac-airport",
            "title": "Seattle-Tacoma International Airport (SEA) | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/traveler-updates-and-tips",
            "title": "Travel Tips for SEA Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/sea-tac",
            "title": "Seattle-Tacoma International Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/printable-airport-directories",
            "title": "Printable Airport Directories | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Denver and Seattle airports?",
        "answer": "Denver International Airport offers electric carts between concourses, accessible parking, a Hidden Disabilities Sunflower Lanyard program, and an Airport Butler concierge for help with luggage and navigating the terminal, with Metro Taxi recommending 48 hours' notice for wheelchair-accessible rides. Seattle-Tacoma International Airport provides wheelchair assistance, two sensory rooms, an SEA Access program, and a Sunflower Lanyard program, and advises contacting your airline in advance to arrange mobility support, while TSA Cares should be contacted 72 hours before travel. Both airports have family-friendly resources: DEN's Airport Butler explicitly helps travelers with small children, and SEA highlights family travel spaces and stoma-friendly family restrooms, though neither lists dedicated children's play areas by name.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flydenver.com/at-the-airport/services-and-amenities/accessibility-services",
            "title": "Accessibility and Mobility | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-10T20:24:04Z"
          },
          {
            "url": "https://www.flydenver.com/event/61719/",
            "title": "Accessibility Resource Fair | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-07-22T17:07:58Z"
          },
          {
            "url": "https://flydenver.com/about-den/facilities",
            "title": "Airport Facilities and Grounds | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-03T22:42:42Z"
          },
          {
            "url": "https://airporttech.tc.faa.gov/Products/Databases/Denver-Instrumentation/Browse-Database/Weather",
            "title": "AirportTech > Products > Databases  > Denver Instrumentation > Browse Database > Weather",
            "favicon": "https://airporttech.tc.faa.gov/Portals/0/favicon-FAA.ico?ver=L21jzf-llJYYjFtxLcsyqg%3d%3d"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Denver_International_Airport",
            "title": "Denver International Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2026-09-11T12:43:01Z"
          },
          {
            "url": "https://www.portseattle.org/SEAaccess",
            "title": "Accessibility at SEA Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/accessibility-faqs",
            "title": "Accessibility FAQS | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/sea-airport-customer-care-how-get-help-airport",
            "title": "SEA Airport Customer Care: How to Get Help at the Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/SEA26",
            "title": "Let’s Play SEA26 at SEA Airport | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          },
          {
            "url": "https://www.portseattle.org/page/sea-visitor-pass-program",
            "title": "SEA Visitor Pass Program | Port of Seattle",
            "favicon": "https://www.portseattle.org/sites/default/files/favicon.ico"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Denver to Seattle?",
        "answer": "United Airlines operates the most flights on the Denver to Seattle route, using Airbus A320 family aircraft, Boeing 737 family aircraft, and Boeing 737-800s. Alaska Airlines flies Boeing 737 family aircraft, Southwest Airlines uses Boeing 737 family aircraft including the 737-700 and 737 MAX 8, Delta Air Lines operates Airbus A220 family aircraft, Airbus A220-100s, and Boeing 737-800s, and Frontier Airlines flies Airbus A320 family aircraft. Delta Connection, operated by SkyWest, also flies Embraer E175s on this route.",
        "methodology": "Aircraft types come from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). For U.S. routes the type is grounded in the tail number that actually operated the flight; elsewhere it comes from the airline's filed equipment code. Where the source does not commit to a specific variant we name the aircraft family (for example Airbus A320 family) rather than guess, and where no reliable type is on file the aircraft is omitted rather than estimated. Types describe typical scheduled equipment and can vary with seasonal or day-of-week assignments and last-minute swaps.",
        "toolsUsed": [
          "flight_schedule"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Denver to Seattle?",
        "answer": "Nonstop flights from Denver to Seattle are operated by Alaska Airlines (Oneworld), United (Star Alliance), Delta (SkyTeam), Southwest, and Frontier. Southwest and Frontier are not part of any global alliance.",
        "methodology": "Airlines and weekly frequencies are compiled from our flight-schedule database, which combines published airline timetables, U.S. government schedule data from the Bureau of Transportation Statistics (BTS), and observed flight operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). We count each operating carrier's scheduled weekly departures and the days it flies; where there is no nonstop service, connecting carriers are identified by linking scheduled nonstop segments through common hub airports. Where a median fare is shown for a carrier, it reflects the real fares Priceline users found on this route in the last 72 hours.",
        "toolsUsed": [
          "route_airlines",
          "article_lookup"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Denver?",
        "answer": "Denver International Airport offers several lounges for departing travelers, including the American Airlines Admirals Club near Gate C-32, the American Express Centurion Lounge near Gate C-46, and the Capital One Lounge near Gate A-34. Delta Sky Club is located past security at the north end of Concourse A on the bridge from Jeppesen Terminal, and there are three United Club locations: United Club A Gates West near Gate A-25, United Club B Gates East near Gate B-44, and United Club B Gates West near Gate B-32. United Club Fly is near Gate B-60, and a USO Denver lounge is on Level 4 above the Mezzanine Level in the center of Concourse A. The United Club B Gates West is temporarily closed.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://flydenver.com/at-the-airport/lounge-areas",
            "title": "Denver Airport Lounges | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2026-08-03T22:37:03Z"
          },
          {
            "url": "https://www.flydenver.com",
            "title": "Denver International Airport | DEN",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-09-08T14:54:34Z"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/DEN",
            "title": "American Express Lounges at Denver International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/united-states-of-america/denver-international",
            "title": "Denver International Airport DEN Lounges - DEN Airport Guide and lounges. | Priority Pass",
            "favicon": "https://my.prioritypass.com/icon.png?a4ff481221414a5c"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Denver to Seattle?",
        "answer": "Baggage allowance on Denver to Seattle flights depends on the airline and fare class. Basic economy often excludes a checked bag but includes a personal item, while standard economy typically allows a carry‑on and charges for checked bags. Check your specific airline's policy."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Denver to Seattle?",
        "answer": "On this domestic route, most airlines offer Economy and recliner-style First Class; flat-bed Business and Premium Economy are not typical."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline; flexible and premium tickets often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}