{ "response": { "Key": "DEN-BUD", "orig": { "code": "DEN", "type": "airport", "city": "Denver", "fullCity": "Denver, Colorado", "airport": "Denver Intl Airport" }, "dest": { "code": "BUD", "type": "airport", "city": "Budapest", "fullCity": "Budapest, Hungary", "airport": "Liszt Ferenc Intl Airport" }, "faq": { "q3": { "question": "What are the ground transportation options in Budapest?", "answer": "Budapest airport is about 16 kilometers southeast of the city center, and the most-used option is the 100E Airport Express bus, which runs nonstop between the terminal and Deák Ferenc tér in the heart of Pest for a premium fare of 2200 HUF. Taxis and ride-share services are also readily available at the terminal, offering door-to-door convenience at a higher price. Car rentals are available on-site for travelers who want to explore independently. The 100E is generally the fastest and most popular choice for visitors, with 83% of its riders being foreign travelers.", "toolsUsed": [ "article_lookup" ], "references": [ { "url": "https://en.wikipedia.org/wiki/Budapest_bus_route_100E", "title": "Budapest bus route 100E", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-03T17:58:27Z" }, { "url": "https://en.wikipedia.org/wiki/Budapest_Ferenc_Liszt_International_Airport", "title": "Budapest Ferenc Liszt International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-15T18:19:11Z" }, { "url": "https://en.wikipedia.org/wiki/Budapest%20bus%20route%20100E", "title": "Budapest bus route 100E", "time_published": "2025-12-13T03:34:43Z" }, { "url": "https://en.wikipedia.org/wiki/Budapest_bus_route_200E", "title": "Budapest bus route 200E", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-03T18:01:56Z" }, { "url": "https://en.wikipedia.org/wiki/Budapest%20Ferenc%20Liszt%20International%20Airport", "title": "Budapest Ferenc Liszt International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2005-02-27T16:34:55Z" } ] }, "q6": { "question": "Are overnight (red‑eye) flights available from Denver to Budapest?", "answer": "Overnight red-eye connecting itineraries are available from Denver to Budapest, with the long overnight leg operated by Lufthansa (via Munich departing 4:15 PM and arriving 10:00 AM, or via Frankfurt departing 5:40 PM and arriving 11:15 AM), Air France (via Paris departing 5:40 PM and arriving 11:10 AM), and British Airways (via London departing 6:40 PM and arriving 10:35 AM). All of these red-eye legs arrive in the morning hours, so they land the next morning.", "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 Budapest?", "answer": "No airline operates nonstop from Denver to Budapest. The most frequent one‑stop routings are on Lufthansa via Munich (6 daily patterns) and Frankfurt (5), and United via Munich (3) or Frankfurt (3) — the United flights use Lufthansa for the onward leg. American via Philadelphia (3 daily) and Air France via Paris (2) also appear, along with a single British Airways connection via London. No per‑carrier fare data is available for this route.", "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 Budapest?", "answer": "Common layover cities include Frankfurt, Munich, and Zurich, which offer efficient connections and keep total travel time competitive. Frankfurt and Munich are major Lufthansa hubs with frequent flights from Denver and onward to Budapest, while Zurich provides seamless transfers via Swiss. These airports are well-designed for transit, often with short minimum connection times, and for many nationalities do not require a transit visa when staying airside." }, "q10": { "question": "Which months have the best weather for traveling to Budapest?", "answer": "May and September offer pleasant warm weather with fewer tourists than peak summer." }, "q11": { "question": "What documents should I bring with me to the airport when flying from Denver to Budapest?", "answer": "Bring a passport valid for at least three months beyond your planned stay, any required visa or ETIAS authorization once in force, proof of onward or return travel, a payment method for baggage, and any necessary vaccination or insurance documents." }, "q12": { "question": "Which airport should I use in Budapest?", "answer": "Budapest has one commercial airport, Budapest Ferenc Liszt International Airport, located about 16 km southeast of the city centre. It serves all airlines and is well-connected by bus and shuttle." }, "q13": { "question": "How do I get to Denver Intl Airport from the city center?", "answer": "Getting to Denver International Airport from downtown Denver is easiest via the RTD A Line train, which offers direct service to Union Station in about 37 minutes and is the most popular budget option, though ride-share and taxis are faster at roughly 25–35 minutes and offer more convenience. Shuttle buses and shared vans provide door-to-door service for groups or hotel drop-offs at a moderate price, while driving yourself is possible with on-site parking but tends to be the most expensive. The A Line is generally the cheapest, while ride-share or taxi are the fastest and most convenient, with shuttles falling in between.", "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 Budapest airport?", "answer": "Budapest Airport has a hotel directly connected to Terminal 2B, the Tribe Budapest Airport, reached by a covered walkway. The ibis Styles Budapest Airport Hotel is also on-site, located opposite Terminal 2 about a five-minute walk away. A third option, Airport Hotel Budapest, is about 1.2 miles from the airport with a complimentary shuttle.", "toolsUsed": [ "article_lookup" ], "references": [ { "url": "https://sleepinginairports.net/guides/budapest-airport-guide.htm", "title": "Budapest Airport Guide (BUD) - Sleeping in Airports", "favicon": "https://www.sleepinginairports.net/nitropack_static/oBWrHkPujHTPIaVWqdDSDhClXUyrYhhb/assets/images/optimized/rev-b853180/www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png", "time_published": "2018-08-23T18:25:56Z" }, { "url": "https://all.accor.com/hotel/B0I7/index.en.shtml", "title": "Hotel in Budapest - ibis Styles Budapest Airport - ALL - ALL" }, { "url": "https://sleepinginairports.net/lounges/budapest-airport-lounges.htm", "title": "Budapest Airport Lounges (BUD) – Sleeping in Airports", "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png" }, { "url": "https://all.accor.com/booking/en/accor/hotel/B0I7", "title": "Hotel in Budapest - ibis Styles Budapest Airport - ALL", "favicon": "https://all.accor.com/booking/favicon.svg", "time_published": "2026-08-30T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Budapest_Ferenc_Liszt_International_Airport", "title": "Budapest Ferenc Liszt International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-15T18:19:11Z" } ] }, "q15": { "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Liszt Ferenc Intl Airport?", "answer": "Budapest Ferenc Liszt International Airport (Terminal 2, with sub-terminals T2A and T2B connected by the SkyCourt) offers currency exchange offices and free Wi‑Fi throughout the terminal. Prayer rooms or chapels are not explicitly listed in the available amenity information, so I cannot confirm their presence. Currency exchange counters are located in the arrivals and departures areas, and free Wi‑Fi is available across the terminal complex.", "toolsUsed": [ "article_lookup" ], "references": [ { "url": "https://en.wikipedia.org/wiki/Budapest_Ferenc_Liszt_International_Airport", "title": "Budapest Ferenc Liszt International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-15T14:55:20Z" }, { "url": "https://en.wikipedia.org/wiki/Budapest%20Ferenc%20Liszt%20International%20Airport", "title": "Budapest Ferenc Liszt International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2005-02-27T16:34:55Z" }, { "url": "https://budapest-international-airport.com", "title": "Budapest Airport (BUD) - Liszt Ferenc Airport I 2026 Updated Guide", "favicon": "https://budapest-international-airport.com/wp-content/uploads/2022/04/cropped-favicon-bud-180x180.png", "time_published": "2026-08-06T08:58:20Z" }, { "url": "https://en.wikipedia.org/wiki/Debrecen%20International%20Airport", "title": "Debrecen International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-07T17:18:38Z" } ] }, "q16": { "question": "Are there accessible services or children's facilities at the Denver and Budapest airports?", "answer": "Denver International Airport (DEN) offers accessible parking in all airport-owned facilities, electric carts to transport elderly or disabled passengers to gates, and a Hidden Disabilities Sunflower Lanyard program for travelers with hidden disabilities; assistance can be arranged through the Airport Butler service or by requesting accessible ground transportation with 48 hours' advance notice. Budapest Ferenc Liszt International Airport (BUD) fully caters to passengers with disabilities and reduced mobility, welcomes assistance dogs, and provides dedicated family services and amenities for children. To arrange mobility assistance at either airport, contact the airline or airport service desk at least 48 hours before departure.", "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://en.wikipedia.org/wiki/Budapest_Ferenc_Liszt_International_Airport", "title": "Budapest Ferenc Liszt International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-15T18:19:11Z" }, { "url": "https://budapest-international-airport.com", "title": "Budapest Airport (BUD) - Liszt Ferenc Airport I 2026 Updated Guide", "favicon": "https://budapest-international-airport.com/wp-content/uploads/2022/04/cropped-favicon-bud-180x180.png", "time_published": "2026-08-06T08:58:20Z" }, { "url": "https://en.wikipedia.org/wiki/Budapest%20Ferenc%20Liszt%20International%20Airport", "title": "Budapest Ferenc Liszt International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2005-02-27T16:34:55Z" }, { "url": "https://en.wikipedia.org/wiki/Budapest_bus_route_100E", "title": "Budapest bus route 100E", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-03T17:58:27Z" } ] }, "q17": { "question": "What aircraft are typically used on flights from Denver to Budapest?", "answer": "There is no nonstop service from Denver to Budapest. On connecting itineraries, Lufthansa flies the long-haul leg on Airbus A350-900s via Munich or Frankfurt, while Air Canada uses Boeing 787-9s via Toronto. United also operates Boeing 787-9s via Munich or Frankfurt, and American offers Boeing 787-8s via Philadelphia, with Turkish Airlines flying Airbus A350-900s via Istanbul.", "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": [ "route_aircraft" ] }, "q18": { "question": "Which airline alliances serve flights from Denver to Budapest?", "answer": "Star Alliance (via Lufthansa or United), oneworld (via American Airlines or British Airways), and SkyTeam (via Air France) all serve the Denver–Budapest route with one-stop connections. No major unaffiliated carriers operate 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, flight times and distances for this route come 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). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold. 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": [ "route_airlines", "flight_schedule", "redeye_flights" ] }, "q20": { "question": "What are the best airport lounge options when departing from Denver?", "answer": "Denver International Airport offers several airline lounges, including the American Airlines Admirals Club near Gate C-32, the American Express Centurion Lounge near Gate C-46, a Capital One Lounge (Plaza Premium) near Gate A-34, and three United Club locations — one at A Gates West near Gate A-25, one at B Gates East near Gate B-44, and one at B Gates West near Gate B-32 (temporarily closed), plus a United Club Fly near Gate B-60. A Delta Sky Club is located past security at the north end of Concourse A on the bridge from Jeppesen Terminal. A USO Denver lounge is also available on Level 4, above the Mezzanine Level of the center of Concourse A. The airport does not list specific eligibility requirements or opening hours for these lounges.", "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 Budapest?", "answer": "Baggage rules on Denver–Budapest flights depend on the airline and ticket type. Basic economy fares are restrictive and may not include a checked bag. Standard international economy typically includes one free checked bag and a carry‑on, while premium cabins offer more." }, "q22": { "question": "What cabin and seat options are typical from Denver to Budapest?", "answer": "Flights from Denver to Budapest typically offer Economy and flat-bed Business class; Premium Economy is sometimes available depending on the airline and connection." }, "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 restrictive economy fares typically do not." } } } }