{
  "response": {
    "Key": "DEN-CHS",
    "orig": {
      "code": "DEN",
      "type": "airport",
      "city": "Denver",
      "fullCity": "Denver, Colorado",
      "airport": "Denver Intl Airport"
    },
    "dest": {
      "code": "CHS",
      "type": "airport",
      "city": "Charleston",
      "fullCity": "Charleston, South Carolina",
      "airport": "Charleston Air Force Base-Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Denver to Charleston?",
        "answer": "A nonstop flight from Denver (DEN) to Charleston (CHS) typically takes about 3 hours and 10 minutes. With a layover, total travel time often ranges from 4.5 to 6 hours depending on the connection city and wait time. Return flights are similar in duration, but some connections may be slightly longer due to airport flow."
      },
      "q1": {
        "question": "Are there any direct flights from Denver to Charleston?",
        "answer": "Yes, United and Southwest both fly nonstop from Denver to Charleston daily. United runs two flights a day (around 9:40 AM and 10:00 AM), while Southwest offers up to 11 daily departures spread from morning through evening. United's median fare is about $262 and Southwest's is about $218.",
        "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. Carrier service and weekly frequencies are summarized from our flight-schedule database, which draws on published airline timetables, U.S. government schedule data, and observed operations from the EUROCONTROL/OpenSky Open Performance Data Initiative (OPDI). Where available, on-time and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, and typical fares from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.",
        "toolsUsed": [
          "route_airlines",
          "flight_schedule"
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Denver to Charleston?",
        "answer": "The cheapest months to fly from Denver to Charleston are September (average $381), August ($415), and May ($432). The most expensive months are July ($541), November ($477), and March ($465).",
        "methodology": "This 'good deal' estimate shows a representative best price for each departure date across roughly a 12-month window (about 3 months back and 9 months forward). It is built from real flight prices found by Priceline users searching this route, accumulated into a price history for each departure date. Rather than weighting all of that history equally, we apply exponential time decay so recent prices dominate — a price seen yesterday counts almost in full, one from about a month ago roughly a third, and prices from a few months back very little — giving a figure that tracks today's market instead of a stale long-run average. Clear price outliers are removed before any calculation, departure dates with no observations are filled in from nearby dates, and the resulting curve is lightly smoothed so it reads as a clean seasonal trend rather than day-to-day noise.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Denver to Charleston?",
        "answer": "For Denver to Charleston, the best fares are typically found when booking 6 to 9 weeks ahead, with an average price around $321. The absolute cheapest single day to book is about 40 days out at $311, while last-minute fares can spike above $500. During summer and holiday periods, demand often pushes prices higher, so aiming for the earlier end of that window or even a bit further out can help secure a better deal.",
        "methodology": "This booking-window guidance is built from the same real flight prices found by Priceline users searching this route, re-grouped by how many days before departure each price was seen (from the departure day out to about 180 days ahead) across the route's price history. At each booking lead time we report the 25th-percentile price — the cheaper end of what travelers were quoted, rather than the rock-bottom minimum (which can be a fluke) or the average (which is pulled up by expensive last-minute fares). The buy-or-wait advice then applies a risk premium that grows as departure approaches, since seat availability shrinks and prices become less predictable; using that adjusted curve we flag windows where waiting is likely to save a meaningful amount (at least $20 or 5%) versus windows where booking now is the better call. Isolated single-day recommendations are filtered out, so the advice only reflects a window that holds for several days in a row.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Denver to Charleston?",
        "answer": "No nonstop red‑eyes operate between Denver and Charleston, but connecting overnight itineraries are available. The long leg departs Denver around 11:37–11:59 PM and arrives at the connecting hub in the early hours (5:15–5:49 AM), then continues to Charleston. Carriers offering these connections include American via Charlotte, United via Washington Dulles, and JetBlue via New York JFK or Boston.",
        "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 Charleston?",
        "answer": "Southwest and United operate nonstop flights from Denver to Charleston, with Southwest offering about 25 weekly flights and United around 14 weekly flights. Both carriers fly the route daily.",
        "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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Denver and Charleston?",
        "answer": "Common layover cities include Atlanta, Charlotte, and Dallas/Fort Worth. Atlanta and Charlotte offer extensive domestic networks and high-frequency connections for quick transfers, while Dallas provides a geographically logical midpoint with efficient operations, keeping total travel time competitive."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Denver to Charleston?",
        "answer": "On-time departures are fairly reliable, though Denver's afternoon thunderstorms can cause delays. Opting for early flights with Southwest or United improves your odds."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Charleston?",
        "answer": "March to May and September to November offer pleasant temperatures and fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Denver to Charleston?",
        "answer": "For this domestic U.S. flight, bring a Real ID or passport, ensure the name matches your ticket and carry a payment method for baggage and any required health documents."
      },
      "q12": {
        "question": "Which airport should I use in Charleston?",
        "answer": "Charleston International Airport is the only commercial airport serving Charleston and is located about 12 miles northwest of downtown. It offers flights from major carriers including Delta, American, United, and Southwest, with connections to hubs across the country."
      },
      "q13": {
        "question": "How do I get to Denver Intl Airport from the city center?",
        "answer": "The fastest and most popular way to reach Denver International Airport from downtown is the RTD A-Line commuter train, which runs directly from Denver Union Station to the airport transit center in about 37 minutes. Public buses (like RTD route 169L) offer a cheaper but slower alternative. Ride-share services (Uber/Lyft) and taxis provide door-to-door convenience, while driving and parking at the airport's lots is also an option, though it's generally the most expensive choice for longer stays.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.flydenver.com/parking-and-transportation/to-and-from/airport-transit-center/",
            "title": "Airport Transit Center | Denver International Airport",
            "time_published": "2026-02-24T17:09:34Z"
          },
          {
            "url": "https://flydenver.com/connections/",
            "title": "Connections | Denver International Airport",
            "favicon": "https://flydenver.com/apple-touch-icon.png",
            "time_published": "2023-09-14T15:33:21Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Automated_Guideway_Transit_System_(Denver_International_Airport)",
            "title": "Automated Guideway Transit System (Denver International Airport)",
            "time_published": "2026-06-01T08:54:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Denver%20International%20Airport",
            "title": "Denver International Airport",
            "time_published": "2026-04-30T15:08:23Z"
          },
          {
            "url": "https://www.faa.gov/?action=searchForAirport&airportcode=PSR",
            "title": "Federal Aviation Administration",
            "favicon": "https://www.faa.gov/themes/custom/faa/favicon.png",
            "time_published": "2026-07-17T12:00:00Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Charleston airport?",
        "answer": "Charleston International Airport (CHS) does not have on-site hotels, capsule hotels, or sleeping pods inside the terminal. However, several nearby hotels like the Courtyard North Charleston Airport/Coliseum and Fairfield Inn & Suites Charleston Airport/Convention Center offer complimentary shuttle service to and from the airport.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.sleepinginairports.net/guides/charleston-airport-guide.htm",
            "title": "Charleston Airport Guide",
            "time_published": "2024-08-26T00:00:00Z"
          },
          {
            "url": "https://iflychs.com/charleston-international-airport",
            "title": "Charleston International Airport - Charleston International Airport (CHS)",
            "favicon": "https://iflychs.com/wp-content/uploads/2025/05/CHS_favicon-300x300.png",
            "time_published": "2025-02-28T11:41:24Z"
          },
          {
            "url": "https://iflychs.com/business/contact-us",
            "title": "Contact Us - Charleston International Airport (CHS)",
            "favicon": "https://iflychs.com/wp-content/uploads/2025/05/CHS_favicon-300x300.png",
            "time_published": "2025-02-28T11:31:36Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/chscn-courtyard-north-charleston-airport-coliseum/overview/?scid=f2ae0541-1279-4f24-b197-a979c79310b0",
            "title": "Hotels Near CHS Airport | Courtyard",
            "time_published": "2023-08-11T00:00:00Z"
          },
          {
            "url": "https://www.marriott.com/en-us/hotels/chscs-fairfield-inn-and-suites-charleston-airport-convention-center/overview/",
            "title": "Fairfield Inn & Suites Charleston Airport/Convention Center - Near CHS",
            "time_published": "2023-08-11T00:00:00Z"
          },
          {
            "url": "https://iflychs.com/passengers/amenities-lounge/",
            "title": "Amenities & Lounge - Charleston International Airport (CHS)",
            "time_published": "2026-02-11T16:54:38Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Charleston Air Force Base-Intl Airport?",
        "answer": "The Charleston International Airport (CHS) terminal does not list currency exchange offices, but two ReadySTATION cash-to-card kiosks are available in the ticketing area across from Frontier and American Airlines, converting cash to a prepaid Visa for a $5 fee. Prayer rooms or chapels are not mentioned among the terminal amenities. Free Wi‑Fi is not explicitly listed, though the airport provides a premium lounge and other passenger services.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://iflychs.com/passengers/terminal-map/",
            "title": "Terminal Map - Charleston International Airport (CHS)",
            "time_published": "2025-06-27T13:54:16Z"
          },
          {
            "url": "https://iflychs.com/passengers/amenities-lounge/",
            "title": "Amenities & Lounge - Charleston International Airport (CHS)",
            "time_published": "2026-02-11T16:54:38Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Charleston_Airport_(disambiguation)",
            "title": "Charleston Airport (disambiguation)",
            "time_published": "2019-05-13T22:30:51Z"
          },
          {
            "url": "https://en.wikipedia.org/w/index.php?printable=yes&title=Joint_Base_Charleston",
            "title": "Joint Base Charleston",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2013-01-27T00:08:12Z"
          },
          {
            "url": "https://iflychs.com/charleston-international-airport",
            "title": "Charleston International Airport - Charleston International Airport (CHS)",
            "favicon": "https://iflychs.com/wp-content/uploads/2025/05/CHS_favicon-300x300.png",
            "time_published": "2025-02-28T11:41:24Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Denver and Charleston airports?",
        "answer": "At Denver International Airport, travelers with disabilities can request wheelchair assistance by contacting their airline at least 48 hours before departure, and the airport features an accessible Automated Guideway Transit System and service animal relief areas. Charleston International Airport provides boarding and deplaning assistance via passenger boarding bridges and a lift, and passengers should arrange wheelchair escort through their airline prior to travel. For children, Denver's terminal offers nursing suites and family-friendly events, while Charleston has nursing suites, baby-changing stations in restrooms, and a lounge that welcomes children under 24 months at no cost.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.flydenver.com/traveler_services/accessibility",
            "title": "Accessibility and Mobility | Denver International Airport",
            "time_published": "2026-04-02T20:29:43Z"
          },
          {
            "url": "https://www.flydenver.com/event/61719/",
            "title": "| Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-07-09T15:14:02Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Automated_Guideway_Transit_System_(Denver_International_Airport)",
            "title": "Automated Guideway Transit System (Denver International Airport)",
            "time_published": "2026-06-01T08:54:40Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Denver%20International%20Airport",
            "title": "Denver International Airport",
            "time_published": "2026-04-30T15:08:23Z"
          },
          {
            "url": "https://www.faa.gov/?action=searchForAirport&airportcode=PSR",
            "title": "Federal Aviation Administration",
            "favicon": "https://www.faa.gov/themes/custom/faa/favicon.png",
            "time_published": "2026-07-17T12:00:00Z"
          },
          {
            "url": "https://iflychs.com/passengers/amenities-lounge/",
            "title": "Amenities & Lounge - Charleston International Airport (CHS)",
            "time_published": "2026-02-11T16:54:38Z"
          },
          {
            "url": "https://iflychs.com/passengers/accessibility/",
            "title": "Accessibility - Charleston International Airport (CHS)",
            "favicon": "https://iflychs.com/wp-content/uploads/2025/05/CHS_favicon-300x300.png",
            "time_published": "2025-02-28T11:26:17Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Assistance_for_airline_passengers_with_disabilities",
            "title": "Assistance for airline passengers with disabilities",
            "time_published": "2025-09-29T17:44:25Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Charleston_Airport_(disambiguation)",
            "title": "Charleston Airport (disambiguation)",
            "time_published": "2019-05-13T22:30:51Z"
          },
          {
            "url": "https://iflychs.com/business/contact-us",
            "title": "Contact Us - Charleston International Airport (CHS)",
            "favicon": "https://iflychs.com/wp-content/uploads/2025/05/CHS_favicon-300x300.png",
            "time_published": "2025-02-28T11:31:36Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Denver to Charleston?",
        "answer": "Nonstop flights from Denver to Charleston typically use the Boeing 737 MAX 8 on Southwest and the Boeing 737-800 on United. When connecting, the most common aircraft on the longer leg include the Airbus A321-100 (often via Charlotte on American), the Boeing 737 MAX 8 and 737-800 (via Nashville, Dallas Love, or Baltimore on Southwest), and the Embraer 175 (via Dallas/Fort Worth or Houston on American and United). The exact aircraft can vary by day and airline, but nearly all of these are single-aisle jets where Wi‑Fi and seatback entertainment are widely available.",
        "methodology": "Aircraft types are taken from the equipment each operating carrier schedules on this route, drawn from published airline timetables and airline equipment schedules in our flight-schedule database. They describe typical scheduled aircraft and can vary with seasonal or day-of-week assignments and last-minute equipment swaps.",
        "toolsUsed": [
          "route_aircraft"
        ]
      },
      "q18": {
        "question": "Which airline alliances serve flights from Denver to Charleston?",
        "answer": "Nonstop service from Denver to Charleston is operated by United Airlines and Southwest Airlines. United is a member of Star Alliance, while Southwest does not belong to any global alliance. Other alliances (oneworld and SkyTeam) may serve this route via connections, but no member carriers fly it nonstop.",
        "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"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Denver?",
        "answer": "When departing Denver, the most notable lounges are the Delta Sky Club (Concourse A, 4th floor center core) and the American Express Centurion Lounge (Concourse C). The Delta Sky Club offers complimentary premium food, beer and wine, Wi‑Fi, and flight monitors; access is for Delta One, SkyTeam Elite Plus, or with a qualifying credit card. The Centurion Lounge provides chef‑inspired dining, craft cocktails, and a family room, available to Amex Platinum and Centurion cardholders. No United Club or Priority Pass lounge is located at DEN.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://americanexpress.com/en-gb/travel/lounges/the-platinum-card/DEN",
            "title": "American Express Lounges at Denver International Airport | Amex GB",
            "time_published": "2026-05-03T00:00:00Z"
          },
          {
            "url": "https://www.flydenver.com/",
            "title": "Denver International Airport | DEN",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-06-02T21:34:27Z"
          },
          {
            "url": "https://flydenver.com/at-the-airport",
            "title": "Exciting Things to Do at Denver International Airport",
            "time_published": "2026-02-18T15:39:31Z"
          },
          {
            "url": "https://www.americanexpress.com/en-us/travel/lounges/the-centurion-card-idc-en/DEN/Delta-Sky-Club-Main-Terminal-Concourse-A-IgRTEiZDls/",
            "title": "Delta Sky Club at Denver International Airport | Amex US",
            "time_published": "2026-03-18T00:00:00Z"
          },
          {
            "url": "https://carsandstays.delta.com/Denver-Hotels-Sleep-Inn-Suites-Denver-International-Airport.h23533743.Hotel-Information?categorySearch=any_option&chkin=2026-07-06&chkout=2026-07-07&destType=MARKET&destination=Denver%2C+CO%2C+United+States+of+America+%28DEN-All+Airports%29&latLong=39.74483000000001%2C-104.94829500000002&pwa_ts=1782175590171&referrerUrl=aHR0cHM6Ly9jYXJzYW5kc3RheXMuZGVsdGEuY29tL0hvdGVsLVNlYXJjaA%3D%3D&regionId=6139084&rfrr=HSR&rm1=a2&searchId=b9103c12-38ab-46f5-86a7-f3447411bdbe&selectedRatePlan=383244565&selectedRoomType=218717901&sort=RECOMMENDED&top_cur=USD&top_dp=126&useRewards=false&x_pwa=1",
            "title": "Sleep Inn & Suites Denver International Airport",
            "favicon": "https://carsandstays.delta.com/favicon.ico",
            "time_published": "2026-06-23T09:32:24Z"
          }
        ]
      },
      "q22": {
        "question": "What cabin and seat options are typical from Denver to Charleston?",
        "answer": "Flights from Denver to Charleston are entirely domestic and typically offer only Economy and standard recliner First Class; Premium Economy and flat‑bed Business are not available on this route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and higher cabin tickets often allow same‑day changes or standby, while Basic Economy usually does not."
      }
    }
  }
}