{ "response": { "Key": "DEN-ROM", "orig": { "code": "DEN", "type": "airport", "city": "Denver", "fullCity": "Denver, Colorado", "airport": "Denver Intl Airport" }, "dest": { "code": "ROM", "type": "airport", "city": "Rome", "fullCity": "Rome, Italy", "airport": "Leonardo da Vinci Airport" }, "faq": { "q0": { "question": "What is the typical flight duration from Denver to Rome?", "answer": "A nonstop flight from Denver (DEN) to Rome (FCO) typically takes about 10 hours 30 minutes to 11 hours. With one stop, the most common layover cities are London, Frankfurt, or Munich, bringing total travel time to 13–16 hours. The return flight (Rome to Denver) is usually slightly shorter, averaging around 10 hours 15 minutes nonstop due to prevailing tailwinds." }, "q1": { "question": "Are there any direct flights from Denver to Rome?", "answer": "Yes, United Airlines flies nonstop from Denver to Rome Fiumicino with 21 weekly departures — three flights a day, every day of the week, typically departing in the late afternoon around 5:30 to 5:50 PM. It's the only carrier offering a direct connection on this route, and the flight takes roughly 10 to 11 hours eastbound.", "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 Denver to Rome?", "answer": "Yes. For U.S. citizens, no visa is required for stays in Italy (Schengen area) up to 90 days within any 180-day period for tourism or business, but from mid-2025, you must obtain an ETIAS travel authorization. For Italian citizens, no visa is required for visits to the U.S. up to 90 days under the Visa Waiver Program, but you must have an approved ESTA. Other nationalities should check both U.S. and Schengen visa requirements." }, "q3": { "question": "What are the ground transportation options in Rome?", "answer": "Rome Fiumicino Airport (FCO) is about 32 km from the city center, with the Leonardo Express train to Roma Termini being the fastest option at roughly 32 minutes and the most used by travelers. Regional trains also connect to stations like Tiburtina and Ostiense, and buses from several companies serve Termini and other areas. Taxis are available with a fixed fare of €55 to the city center inside the Aurelian Walls, while car rentals and car sharing services are offered at the airport. Ride share is not widely available in Rome as it is in many US cities, so taxis and trains remain the primary choices.", "toolsUsed": [], "references": [ { "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-to-and-from", "title": "Fiumicino Airport Transport: How to Get to and from FCO | ADR", "favicon": "https://www.adr.it/o/adr-new-theme/images/favicon.ico" }, { "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-bus", "title": "Fiumicino Airport buses: routes, stops and timetables | ADR", "favicon": "https://www.adr.it/o/adr-dxp-theme/images/favicon.ico" }, { "url": "https://en.wikipedia.org/wiki/Fiumicino%20Aeroporto%20railway%20station", "title": "Fiumicino Aeroporto railway station", "time_published": "2025-11-27T16:48:57Z" }, { "url": "https://en.wikipedia.org/wiki/Fiumicino_Aeroporto_railway_station", "title": "Fiumicino Aeroporto railway station", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2025-11-27T16:48:57Z" }, { "url": "http://adr.it/web/aeroporti-di-roma-en-/pax-fco-taxi", "title": "Taxi - ADR", "time_published": "2023-06-01T00:00:00Z" } ] }, "q4": { "question": "When is the cheapest time to fly from Denver to Rome?", "answer": "The cheapest months to fly from Denver to Rome are October (average $893), November ($912), and September ($918). The most expensive months are June (average $1,484), May ($1,284), and July ($1,270).", "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 Rome?", "answer": "For flights from Denver to Rome, the optimal booking window is 7 to 10 weeks before departure, with an average fare around $1,146. The single cheapest day to book is 55 days out at about $1,127, while last-minute tickets can exceed $1,850. Fares can spike during summer and holidays, so booking a few weeks earlier than the typical window is wise for peak travel periods.", "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 Rome?", "answer": "There are no nonstop red-eye flights from Denver to Rome, but several connecting itineraries include an overnight long-haul leg. The earliest red-eye departures from Denver are on Lufthansa at 4:15 PM to Munich and Icelandair at 4:40 PM to Keflavík, while the latest is a British Airways/IB departure at 6:40 PM to London Heathrow. All of these long-haul legs arrive between 6:00 AM and 11:15 AM local time, landing the next morning after the overnight crossing.", "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 Rome?", "answer": "United Airlines operates the only nonstop service from Denver to Rome, with 21 weekly flights departing daily in the late afternoon. The flight runs year-round between Denver International (DEN) and Rome Fiumicino (FCO). Other carriers serve the route with one or more stops, but United is the sole nonstop operator.", "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 Rome?", "answer": "Common layover cities between Denver and Rome include Frankfurt, Munich, London, and Paris, which offer broad connections and efficient transfers while keeping total travel time competitive." }, "q9": { "question": "How reliable are on‑time departures on this route from Denver to Rome?", "answer": "On‑time performance is generally good, though summer thunderstorms in Denver can cause delays. Early morning departures, particularly on United, have the best reliability." }, "q10": { "question": "Which months have the best weather for traveling to Rome?", "answer": "April to June and September to October offer pleasant 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 Rome?", "answer": "Bring a passport valid for at least three months beyond your planned stay in the Schengen area, proof of onward or return travel, and a payment method for baggage. U.S. citizens do not need a visa for short stays, but starting in 2025 an ETIAS authorization will be required. No vaccination certificates are currently required for entry into Italy." }, "q12": { "question": "Which airport should I use in Rome?", "answer": "Rome has two main airports. Fiumicino is the primary international hub, located about 30 km southwest of the city center, with connections to major attractions via the Leonardo Express train. It serves full-service airlines and global alliances. Ciampino is closer to the center, about 15 km southeast, and is used mainly by low-cost carriers for European and domestic flights, offering a budget-friendly option but fewer amenities." }, "q13": { "question": "How do I get to Denver Intl Airport from the city center?", "answer": "The fastest and most popular way to get from downtown Denver to Denver International Airport is the RTD A‑Line commuter train, which runs from Denver Union Station to the airport transit center in about 37 minutes. Ride‑share services like Uber and Lyft offer door‑to‑door convenience, while taxis and shared‑van shuttles are also available; all of these are more expensive than the train. Several RTD regional buses serve the airport as well, and driving yourself is an option with extensive on‑site parking lots.", "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 Rome airport?", "answer": "Rome Fiumicino Airport (FCO) does not have an on-site hotel or sleeping pods inside the terminal, but there are several nearby hotels connected by a free shuttle, including the Hilton Rome Airport Hotel which is linked to the terminals via a covered walkway. For resting inside the airport, the best spots are airside with some reclining chairs and armrest-free benches, particularly near the D Gates, while landside seating is limited and often has armrests.", "toolsUsed": [], "references": [ { "url": "https://www.sleepinginairports.net/guides/rome-fiumicino-airport-guide.htm", "title": "Rome Fiumicino Airport Guide (FCO) - 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": "2018-10-02T00:00:42Z" }, { "url": "https://activities.marriott.com/europe/italy/lazio/rome/activities/fiumicino_airport_rome_fco_to_rome_round_trip_private_transfer-XJLMUV?property=ROMWI", "title": "Fiumicino Airport Rome (FCO) to Rome - Round-Trip Private Transfer", "time_published": "2026-04-04T00:00:00Z" }, { "url": "https://www.sleepinginairports.net/reviews/rome-fiumicino-airport-reviews.htm", "title": "Rome Fiumicino Airport Reviews (FCO)", "time_published": "2024-10-21T00:00:00Z" }, { "url": "https://activities.marriott.com/europe/italy/lazio/rome/activities/private_transfer_from_rome_to_fco_airport-X1SGSF?property=ROMWI", "title": "Private Transfer : From Rome to FCO airport", "time_published": "2026-04-05T00:00:00Z" }, { "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-to-and-from", "title": "Fiumicino Airport Transport: How to Get to and from FCO | ADR", "favicon": "https://www.adr.it/o/adr-new-theme/images/favicon.ico" }, { "url": "https://www.sleepinginairports.net/lounges/rome-fiumicino-airport-lounges.htm", "title": "Rome Fiumicino Airport Lounges (FCO)", "time_published": "2024-01-01T00:00:00Z" } ] }, "q15": { "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Leonardo da Vinci Airport?", "answer": "Leonardo da Vinci Airport in Rome offers currency exchange offices, prayer rooms, and free Wi‑Fi. Currency exchange services are available inside all terminals. A Christian Catholic Chapel is located in Terminal 1 departures, while multi‑faith prayer rooms can be found in Terminal 1 arrivals near door 6 and in the extra‑Schengen boarding area near gate E18. Free Wi‑Fi is accessible throughout the airport.", "toolsUsed": [], "references": [ { "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-airport-map", "title": "Fiumicino Airport Map: terminals, gates and airport layout | ADR", "favicon": "https://www.adr.it/o/adr-dxp-theme/images/favicon.ico" }, { "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-airport-services/", "title": "Airport services - ADR", "time_published": "2023-06-01T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Fiumicino_Airport", "title": "Rome Fiumicino Airport - Wikipedia", "time_published": "2003-06-18T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Fiumicino%20Aeroporto%20railway%20station", "title": "Fiumicino Aeroporto railway station", "time_published": "2025-11-27T16:48:57Z" }, { "url": "https://www.adr.it/web/aeroporti-di-roma-en/servizi", "title": "Facilities and services at Airport of Rome Fiumicino", "time_published": "2023-06-01T00:00:00Z" } ] }, "q16": { "question": "Are there accessible services or children's facilities at the Denver and Rome airports?", "answer": "Both Denver International Airport (DEN) and Rome Fiumicino Airport (FCO) offer accessibility services and children's facilities. At DEN, wheelchair assistance should be requested from your airline at least 48 hours before departure; the airport provides service animal relief areas and accessible restrooms, but does not have a dedicated children's play area. At FCO, passengers with reduced mobility can find accessible desks and priority security and passport control, while families benefit from nursery and kids' areas, over 700 complimentary strollers in boarding areas, and reserved parking spaces for families and pregnant women.", "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://www.adr.it/web/aeroporti-di-roma-en/pax-fco-airport-services/", "title": "Airport services - ADR", "time_published": "2023-06-01T00:00:00Z" }, { "url": "https://www.adr.it/web/aeroporti-di-roma-en/pax-fco-faq1", "title": "FAQ - ADR", "time_published": "2023-06-01T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Fiumicino%20Aeroporto%20railway%20station", "title": "Fiumicino Aeroporto railway station", "time_published": "2025-11-27T16:48:57Z" }, { "url": "https://en.wikipedia.org/wiki/Fiumicino_Airport", "title": "Rome Fiumicino Airport - Wikipedia", "time_published": "2003-06-18T00:00:00Z" }, { "url": "https://www.adr.it/en/web/aeroporti-di-roma-en/servizi", "title": "Facilities and services at Airport of Rome Fiumicino", "time_published": "2023-06-01T00:00:00Z" } ] }, "q17": { "question": "What aircraft are typically used on flights from Denver to Rome?", "answer": "United Airlines flies a Boeing 787-9 nonstop from Denver to Rome. On connecting itineraries, the most common long-haul aircraft are the Boeing 777-300ER, Boeing 787-9, Airbus A350-1000, and Airbus A380-800, typically via hubs like London Heathrow, Montreal, Chicago, or Munich. The exact aircraft can vary by day and airline, but widebody twin-jets dominate the route, and Wi‑Fi plus seatback entertainment are widely available on these long-haul flights.", "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 Rome?", "answer": "United Airlines, a Star Alliance member, is the only carrier operating nonstop from Denver to Rome. Other alliances may serve the route through connections, but no other airline flies 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": "Denver International Airport has two main lounge options: The Centurion Lounge in Concourse C and the Delta Sky Club in the Main Terminal, Concourse A. The Centurion Lounge is accessible with The Platinum Card® from American Express and features locally inspired cuisine and a bar, while the Delta Sky Club offers premium food, beer and wine, and flight monitors, with access for Delta Sky Club members, certain elite status holders, and qualifying credit cardholders. Both lounges provide Wi-Fi and comfortable seating, but access is subject to capacity limits.", "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®ionId=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" } ] }, "q21": { "question": "What is the baggage allowance on this route from Denver to Rome?", "answer": "Baggage rules depend on the airline and fare type. Basic economy tickets may not include a checked bag, while standard international economy usually includes one checked bag and a carry-on. Premium cabins offer more generous allowances." }, "q22": { "question": "What cabin and seat options are typical from Denver to Rome?", "answer": "Flights from Denver to Rome generally feature Economy and flat‑bed Business class; Premium Economy is offered by select airlines, while First class is uncommon on this route." }, "q23": { "question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary by airline and fare class; flexible tickets and premium cabins generally allow same‑day changes or standby, while basic economy typically does not." } } } }