{
  "response": {
    "Key": "DEN-CDG",
    "orig": {
      "code": "DEN",
      "type": "airport",
      "city": "Denver",
      "fullCity": "Denver, Colorado",
      "airport": "Denver Intl Airport"
    },
    "dest": {
      "code": "CDG",
      "type": "airport",
      "city": "Paris",
      "fullCity": "Paris, France",
      "airport": "Charles de Gaulle Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Denver to Paris?",
        "answer": "The flight from Denver to Paris covers about 4,870 miles. Nonstop service on Air France typically takes 9 hours and 30 minutes eastbound, while the return leg is longer at 10 hours and 15 minutes due to prevailing winds.",
        "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"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Paris?",
        "answer": "Ground transportation from Paris Charles de Gaulle Airport to the city center includes the RER B suburban train, taxis, ride-share services, car rentals, and buses, with the RER B being the most used option, carrying about 30% of passengers. The RER B offers a reliable and affordable link but can be affected by scheduled maintenance works that may require bus substitutions. A faster express rail link, the CDG Express, is under construction and is scheduled to open on 28 March 2027, offering a 20-minute non-stop ride to Gare de l'Est for around €24. Taxis and ride-shares provide direct door-to-door service but are generally more expensive and subject to traffic. Car rentals are available at the airport but are less practical for central Paris sightseeing.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://parisaeroport.fr/docs/default-source/passager-fichiers/preparer/navettes-paris-cdg.pdf",
            "title": "NAVETTES GRATUITES À PARIS-CHARLES DE GAULLE",
            "time_published": "2018-02-05T14:39:14Z"
          },
          {
            "url": "https://parisaeroport.fr/fr/passagers/transports-parking/transports-publics-paris/travaux-acces-rer-b/cdg",
            "title": "Travaux et Accès à l'Aéroport Charles de Gaulle – Paris Aéroport",
            "time_published": "2026-03-26T08:36:49Z"
          },
          {
            "url": "https://parisaeroport.fr/en/charles-de-gaulle-airport/terminal-3",
            "title": "Maps & Terminals at Paris Charles de Gaulle – Paris Aéroport",
            "time_published": "2026-03-25T23:15:25Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Charles_de_Gaulle_Airport",
            "title": "Charles de Gaulle Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2002-10-16T17:39:38Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/CDG%20Express",
            "title": "CDG Express",
            "time_published": "2026-01-29T07:39:10Z"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Denver to Paris?",
        "answer": "Average fares from Denver to Paris bottom out around $429 in late January, with the cheapest overall months being September ($434 average), October ($442), and January ($443). The most expensive stretch is late December, when average fares climb to about $574, and December is also the priciest month overall at $544 on average.",
        "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 Paris?",
        "answer": "For Denver to Paris, the best fares are generally available when you book 4-6 weeks before departure, with prices averaging around $408. Booking exactly 30 days out gives the lowest single price at $406, while booking far in advance (e.g. 6 months) can cost over $600. This optimal window shifts slightly earlier for summer and holiday periods, when demand is higher and you may want to book 6-8 weeks out to secure both availability and a reasonable fare.",
        "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 Paris?",
        "answer": "No nonstop red‑eyes operate from Denver to Paris, but one‑stop itineraries whose long leg is an overnight flight are available. For example, Lufthansa connects via Munich with the overnight leg DEN→MUC departing at 16:15 and arriving at 10:00 the next morning, and via Frankfurt with DEN→FRA departing at 17:40 and arriving at 11:15 the next morning. Other carriers like Air France, Delta, United, American, British Airways, JetBlue, Air Canada, and Icelandair offer red‑eye connections through hubs such as Detroit, Minneapolis, Atlanta, New York JFK, Boston, Dallas/Fort Worth, Chicago O'Hare, Washington Dulles, Charlotte, London Heathrow, Montreal, Toronto, and Keflavík, with long‑leg departures generally between 16:30 and 21:45 and arrivals between 06:00 and 11:15.",
        "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 Paris?",
        "answer": "Air France operates the only nonstop service from Denver to Paris, with six weekly flights on Monday, Tuesday, Wednesday, Friday, Saturday, and Sunday, all departing at 17:40. Other carriers may serve the route via connections, but Air France is the sole nonstop option.",
        "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 Paris?",
        "answer": "Common layover cities include Chicago, Newark, Atlanta, and Dallas, all providing broad connections and efficient transfers while keeping total travel time competitive."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Paris?",
        "answer": "April through June and September through October offer mild temperatures and fewer tourists than the busy summer months."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Denver to Paris?",
        "answer": "Bring a passport valid for at least three months beyond your planned departure from the Schengen area, proof of onward or return travel, a payment method for baggage and any applicable health documents."
      },
      "q12": {
        "question": "Which airport should I use in Paris?",
        "answer": "Charles de Gaulle is the main hub for international flights to Paris with wide connections. Orly is closer to central Paris and handles mainly domestic and European services."
      },
      "q13": {
        "question": "How do I get to Denver Intl Airport from the city center?",
        "answer": "Getting from downtown Denver to Denver International Airport is easiest by rail, with the RTD A Line train running directly from Union Station to the airport every 15 minutes, 24/7, in about 37 minutes—the most popular and budget-friendly option. Ride-share (Uber/Lyft) and taxis are faster at roughly 25–35 minutes and offer door-to-door convenience from Level 5, but they cost more. Shared vans and hotel shuttles provide slower, mid-priced alternatives, while driving yourself is possible with on-site parking that's pricier than public transit but offers flexibility for longer trips.",
        "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 Paris airport?",
        "answer": "There is a hotel directly inside Paris Charles de Gaulle Airport: YOTELAIR Paris Charles de Gaulle, located in Terminal 2E, Satellite L, Airside, Transit Area, with rooms starting at €240 and shower-only packages from €20. The Sheraton Paris Airport Hotel is also located inside Terminal 2, about a 2-minute walk from the terminal areas. Several other hotels sit on airport grounds, including the Ibis Paris Airport opposite Terminal 3, the CitizenM and Hilton about a 5-minute walk from Terminal 3, and the Novotel CDG Terminal about a 2-minute walk from Terminal 3, all reachable via the free CDGVAL train.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://sleepinginairports.net/guides/paris-charles-de-gaulle-airport-guide.htm",
            "title": "Paris Charles de Gaulle Airport Guide (CDG) - 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": "2018-10-02T00:00:43Z"
          },
          {
            "url": "https://marriott.com/en-us/hotels/parsi-sheraton-paris-charles-de-gaulle-airport-hotel/overview",
            "title": "Sheraton Paris Charles de Gaulle Airport Hotel | CDG Terminal 2 Hotel",
            "favicon": "https://cache.marriott.com/Images/Mobile/MC_Logos/MarriottApple57x57.png"
          },
          {
            "url": "https://sleepinginairports.net/reviews/paris-charles-de-gaulle-airport-reviews.htm",
            "title": "Paris Charles de Gaulle   Airport Reviews (CDG) – Sleeping in Airports",
            "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png",
            "time_published": "2026-05-07T14:45:55Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Charles de Gaulle Intl Airport?",
        "answer": "Charles de Gaulle Airport offers free Wi‑Fi in its terminals, with terminal maps highlighting free Wi‑Fi alongside other services like restaurants, shops, lounges, and information points. Currency exchange offices are available at Paris‑Charles de Gaulle Airport, though the article does not specify their exact terminal locations. Prayer rooms or chapels are not mentioned in the available information.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://parisaeroport.fr/en/charles-de-gaulle-airport/terminal-3",
            "title": "Maps & Terminals at Paris Charles de Gaulle – Paris Aéroport",
            "time_published": "2026-03-25T23:15:25Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Charles_de_Gaulle_Airport",
            "title": "Charles de Gaulle Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2002-10-16T17:39:38Z"
          },
          {
            "url": "https://parisaeroport.fr/en/passengers/charles-de-gaulle-airport",
            "title": "Welcome to Charles-de-Gaulle airport (CDG Airport) - Paris Aéroport",
            "time_published": "2026-03-25T23:16:15Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Paris_Charles_de_Gaulle_Airport",
            "title": "Paris Charles de Gaulle Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2002-10-16T17:39:38Z"
          },
          {
            "url": "https://parisaeroport.fr/docs/default-source/professionnel-fichiers/service-aux-entreprises/adp-guide-du-client-2023.pdf",
            "title": "AEROPORT PARIS-CHARLES DE GAULLE",
            "time_published": "2023-06-06T14:15:50Z"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Denver and Paris airports?",
        "answer": "Denver International Airport (DEN) offers a range of accessibility services, including the Hidden Disabilities Sunflower Lanyard Program, interpreter services at information booths, electric carts to transport elderly or disabled passengers to gates, and accessible parking at all airport-owned facilities; travelers requesting wheelchair or mobility assistance should contact their airline at least 48 hours in advance. Specific children's play areas at DEN are not detailed in the available information, though the Airport Butler concierge service can assist families with small children. At Paris Charles de Gaulle (CDG), the official airport guide indicates accessible services and assistance are available, but specific programs for travelers with disabilities or dedicated children's play areas are not itemized in the provided data; passengers should contact their airline or the airport in advance to arrange mobility assistance.",
        "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://parisaeroport.fr/docs/default-source/professionnel-fichiers/service-aux-entreprises/adp-guide-du-client-2023.pdf",
            "title": "AEROPORT PARIS-CHARLES DE GAULLE",
            "time_published": "2023-06-06T14:15:50Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Charles_de_Gaulle_Airport",
            "title": "Charles de Gaulle Airport",
            "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png",
            "time_published": "2002-10-16T17:39:38Z"
          },
          {
            "url": "https://parisaeroport.fr/en/charles-de-gaulle-airport/terminal-3",
            "title": "Maps & Terminals at Paris Charles de Gaulle – Paris Aéroport",
            "time_published": "2026-03-25T23:15:25Z"
          },
          {
            "url": "https://www.parisaeroport.fr/",
            "title": "Paris Aéroport – Site Officiel des Aéroports de Paris",
            "favicon": "https://www.parisaeroport.fr/favicon.ico"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Denver to Paris?",
        "answer": "Air France operates the nonstop route from Denver to Paris with Boeing 777-200 aircraft. No other carriers appear in the schedule for 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 Paris?",
        "answer": "Air France, a SkyTeam member, operates nonstop flights from Denver to Paris. No other alliance carriers serve this route nonstop, though Star Alliance and Oneworld airlines may offer connecting itineraries.",
        "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": "Denver International Airport has several lounge options for departing passengers, including the American Airlines Admirals Club near Gate C-32, the American Express Centurion Lounge near Gate C-46, the Capital One Lounge near Gate A-34, and multiple Delta Sky Club and United Club locations across Concourses A, B, and C. There is also a United Club Fly near Gate B-60 and a USO Denver lounge on Level 4 of Concourse A. One United Club location, the B Gates West club, is temporarily closed. Passengers can also use free rest and recharge areas on the Concourse A mezzanine.",
        "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 Paris?",
        "answer": "Baggage allowance on Denver–Paris flights depends on the airline and fare class. Basic Economy tickets often exclude a checked bag, while standard international economy typically includes one checked bag and a carry‑on. Premium cabins and higher fares offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Denver to Paris?",
        "answer": "Flights from Denver to Paris generally offer Economy, Premium Economy, and flat-bed Business class on most airlines."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies vary by airline and fare; flexible and premium cabin tickets often allow same‑day changes or standby, while Basic Economy typically does not."
      }
    }
  }
}