{
  "response": {
    "Key": "CDG-DEN",
    "orig": {
      "code": "CDG",
      "type": "airport",
      "city": "Paris",
      "fullCity": "Paris, France",
      "airport": "Charles de Gaulle Intl Airport"
    },
    "dest": {
      "code": "DEN",
      "type": "airport",
      "city": "Denver",
      "fullCity": "Denver, Colorado",
      "airport": "Denver Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Paris to Denver?",
        "answer": "A nonstop flight from Paris (CDG) to Denver (DEN) typically takes about 9 hours 45 minutes to 10 hours westbound. Eastbound, the nonstop is usually 8 hours 50 minutes to 9 hours due to prevailing winds. One-stop itineraries via common hubs like London or Frankfurt can extend total travel time to 12–15 hours."
      },
      "q1": {
        "question": "Are there any direct flights from Paris to Denver?",
        "answer": "Yes, Air France flies non‑stop from Paris (CDG) to Denver six days a week — every day except Thursday — with a single daily departure at 1:25 PM. It's the only airline offering direct service on this route.",
        "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"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from Paris to Denver?",
        "answer": "Yes, visa requirements apply for travel from Paris to Denver. U.S. citizens do not need a visa to enter France for short stays, but French citizens and other non-U.S. nationals generally need a visa or ESTA authorization to enter the U.S. For French citizens, an ESTA under the Visa Waiver Program is typically sufficient for tourism or business visits of 90 days or less. Travelers of other nationalities should check both U.S. and French entry requirements based on their citizenship."
      },
      "q3": {
        "question": "What are the ground transportation options in Denver?",
        "answer": "From Denver International Airport, the fastest and most-used way to reach downtown Denver is the RTD A Line train, which runs directly to Denver Union Station in about 37 minutes. Taxis, ride-shares like Uber and Lyft, and rental cars are also available, though driving can take 35–50 minutes depending on traffic. The airport’s Transit Center also serves regional buses and shared shuttles, offering additional options for different destinations.",
        "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"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from Paris to Denver?",
        "answer": "The cheapest months to fly from Paris to Denver are October, September, and April, with average fares around $931 to $947. The most expensive months are June, December, and March, where average prices climb to about $1,188 to $1,282.",
        "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.",
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Paris to Denver?",
        "answer": "For flights from Paris to Denver, the optimal booking window is about 7 to 10 weeks before departure, with an average fare around $996. Booking around 55 days out can yield the lowest price near $987, while last-minute bookings (less than a week out) can cost over $1,700. For summer and holiday travel, demand is higher, so aiming for the early side of that window or even slightly earlier is wise to secure better availability and pricing.",
        "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. For this route, fares for the requested travel direction were unavailable, so the pattern shown is derived from the reverse direction, which shares the same seasonal demand cycle.",
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Paris to Denver?",
        "answer": "No overnight / red‑eye flights are scheduled from Paris (CDG) to Denver (DEN) — neither nonstop nor connecting itineraries with a red‑eye long leg turned up in the schedule.",
        "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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Paris and Denver?",
        "answer": "Common layover cities for Paris to Denver include New York (JFK/EWR), Chicago (ORD), Atlanta (ATL), and Dallas (DFW). These major hubs offer broad connections and efficient transfers, with New York and Chicago providing the most direct routings to keep total travel time competitive. All require U.S. entry at the first point of arrival, so allow time for immigration and customs."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Paris to Denver?",
        "answer": "On-time reliability is typically good, though Paris Charles de Gaulle can experience morning congestion. Early departures on Air France or United often have better punctuality."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Denver?",
        "answer": "May to June and September to early October offer pleasant temperatures and fewer visitors."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Paris to Denver?",
        "answer": "Bring a passport valid for the duration of your stay, a valid ESTA under the Visa Waiver Program, proof of onward or return travel, a payment method for baggage, and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Denver?",
        "answer": "Denver has only one major airport, Denver International Airport, located about 25 miles northeast of downtown. It serves all commercial flights for the region."
      },
      "q13": {
        "question": "How do I get to Charles de Gaulle Intl Airport from the city center?",
        "answer": "From central Paris, the RER B suburban train is the most popular and often fastest public option, reaching the airport in about 30–35 minutes for a moderate fare. The new CDG Express train (opening 2027) will offer a dedicated 20‑minute link from Gare de l’Est. Taxis and ride‑share services provide door‑to‑terminal convenience at a higher fixed price, while RoissyBus (bus 9517) and other regional buses are a more economical choice. Driving is straightforward via the A1/A3 motorways, with on‑site parking lots that can be booked online for savings.",
        "toolsUsed": [],
        "references": [
          {
            "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://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/CDG%20Express",
            "title": "CDG Express",
            "time_published": "2026-01-29T07:39:10Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Aéroport_Charles_de_Gaulle_2_TGV_station",
            "title": "Aéroport Charles de Gaulle 2 TGV station",
            "time_published": "2026-04-23T11:27:05Z"
          },
          {
            "url": "https://www.parisaeroport.fr/en/group/strategy/airport-network/paris-charles-de-gaulle-airport",
            "title": "Pardon Our Interruption"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Denver airport?",
        "answer": "Denver International Airport does not have on-site hotels, capsule hotels, or sleeping pods inside the terminal. However, several nearby hotels are connected by shuttle, including the Westin Denver International Airport, which is located at the south end of the Jeppesen Terminal and accessible via a short walk from the terminal building.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://sleepinginairports.net/airport-hotels/transit-hotels.htm",
            "title": "Transit Hotels – 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": "2026-06-22T14:15:16Z"
          },
          {
            "url": "https://www.sleepinginairports.net/usa/sandiego.htm",
            "title": "San Diego Airport Guide (SAN) - Sleeping in Airports",
            "time_published": "2026-05-29T21:56:08Z"
          },
          {
            "url": "https://www.flydenver.com/job/job_posting-3-72824/",
            "title": "Airport Operations Supervisor | Denver International Airport",
            "time_published": "2026-05-12T09:00:46Z"
          },
          {
            "url": "https://www.flydenver.com/job/job_posting-3-73608/",
            "title": "Airport Call Center Supervisor - Denver International Airport | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-06-16T09:00:36Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Denver%20International%20Airport",
            "title": "Denver International Airport",
            "time_published": "2026-04-30T15:08:23Z"
          },
          {
            "url": "https://www.flydenver.com/job/job_posting-3-73478/",
            "title": "Terminal Operations Officer - Denver International Airport | Denver International Airport",
            "favicon": "https://www.flydenver.com/apple-touch-icon.png",
            "time_published": "2026-06-16T09:00:44Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Denver Intl Airport?",
        "answer": "Denver International Airport offers free Wi‑Fi throughout the terminal and concourses. Currency exchange services are available through World Wide Money Exchange, with locations in the Jeppesen Terminal and on Concourses A and B. The airport provides an interfaith chapel and prayer room on the southeast side of the Jeppesen Terminal, near the A‑Bridge security checkpoint.",
        "toolsUsed": [],
        "references": [
          {
            "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://en.wikipedia.org/wiki/Denver%20International%20Airport",
            "title": "Denver International Airport",
            "time_published": "2026-04-30T15:08:23Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Denver_Airport_station",
            "title": "Denver Airport station",
            "time_published": "2026-03-10T05:58:05Z"
          },
          {
            "url": "https://sua.faa.gov/sua/siteFrame.app?lat=36.30&layers=BTTTTTTT&lon=-97.00&zoom=2.00",
            "title": "Special Use Airspace & Air Traffic Control Assigned Airspace - Graphic Map",
            "time_published": "2026-07-19T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Paris to Denver?",
        "answer": "There is no nonstop service between Paris CDG and Denver, so all flights connect. The most common long-leg aircraft are the Airbus A350-1000 (often via London Heathrow on British Airways/Iberia) and the Boeing 777-200 (frequently via Dallas/Fort Worth or Charlotte on American). Other types that appear include the Boeing 777-300ER, Boeing 787-8 and 787-9, Airbus A350-900, and occasionally a Boeing 757-200 via Reykjavík — the exact aircraft varies by airline, connecting hub, and day of travel. Wi-Fi and seatback entertainment are widely available on these long-haul jets, though the specific offering depends on the carrier and aircraft configuration.",
        "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 Paris to Denver?",
        "answer": "Air France, a SkyTeam member, is the only carrier operating nonstop between Paris CDG and Denver, so SkyTeam is the sole alliance with direct service on this route. Other alliances may offer connecting itineraries, but no Star Alliance or Oneworld carrier flies this route 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. 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"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Paris?",
        "answer": "At Paris Charles de Gaulle Airport, the Lufthansa Business Lounge in Terminal 1 offers access for business-class passengers and Star Alliance Gold members, featuring a quiet work area and a buffet with hot and cold dishes. In Terminal 2E, the YotelAir Paris Charles de Gaulle lounge is open to all passengers for a fee or through Priority Pass, providing a 24-hour space with private sleeping pods and a bar. These are the two lounges I can confirm are available based on current information.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://americanexpress.com/en-ca/travel/lounges/the-platinum-card/CDG",
            "title": "American Express Lounges at Paris Charles de Gaulle Airport | Amex CA",
            "time_published": "2026-05-01T00:00:00Z"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/france/paris-charles-de-gaulle",
            "title": "Charles De Gaulle International Airport CDG Lounges - CDG Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "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://americanexpress.com/de-de/travel/lounges/the-platinum-card/CDG",
            "title": "American Express Lounges at Paris Charles de Gaulle Airport | Amex DE",
            "time_published": "2026-05-03T00:00:00Z"
          },
          {
            "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"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Paris to Denver?",
        "answer": "Baggage allowance on Paris–Denver flights depends on the airline and fare. Basic economy often excludes checked bags, while standard economy typically includes one checked bag and a carry‑on. Premium cabins may offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Paris to Denver?",
        "answer": "Typical cabin options on Paris to Denver flights include Economy and flat-bed Business class, with Premium Economy available on select 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 may allow same‑day changes or standby, while basic economy typically does not."
      }
    }
  }
}