{ "response": { "Key": "ATL-LIS", "orig": { "code": "ATL", "type": "airport", "city": "Atlanta", "fullCity": "Atlanta, Georgia", "airport": "Hartsfield Jackson Intl Airport" }, "dest": { "code": "LIS", "type": "airport", "city": "Lisbon", "fullCity": "Lisbon, Portugal", "airport": "Humberto Delgado Airport" }, "faq": { "q0": { "question": "What is the typical flight duration from Atlanta to Lisbon?", "answer": "A nonstop flight from Atlanta (ATL) to Lisbon (LIS) typically takes about 7 hours 45 minutes to 8 hours. With one stop, common layover cities like New York or Boston can extend total travel time to around 10 to 12 hours. The return flight from Lisbon to Atlanta is often slightly shorter, averaging about 8 hours 15 minutes nonstop." }, "q1": { "question": "Are there any direct flights from Atlanta to Lisbon?", "answer": "There are no nonstop flights from Atlanta to Lisbon. The most common one-stop routing is via London Heathrow on British Airways, taking about 8 hours 10 minutes for the transatlantic leg and about 3 hours onward to Lisbon, with a layover around 3.5 hours. Several other airlines offer one-stop connections through hubs like Philadelphia (American), Frankfurt (Lufthansa), and Amsterdam (Delta/KLM), with total travel times typically ranging from 10 to 14 hours depending on the layover.", "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 Atlanta to Lisbon?", "answer": "Yes — travel authorization or a visa may be required for a flight from Atlanta to Lisbon, depending on your nationality. If you are a U.S. citizen, you can enter Portugal and the Schengen Area visa-free for up to 90 days in any 180-day period for tourism or business. From 2025, you will also need to obtain an ETIAS travel authorization before your trip. If you are a Portuguese or other non-U.S. national, whether you need a visa for the U.S. depends on your nationality. Citizens of Visa Waiver Program countries (including Portugal) need ESTA authorization for short visits to the U.S. Others must obtain a U.S. visa." }, "q3": { "question": "What are the ground transportation options in Lisbon?", "answer": "From Lisbon Airport, the most used option is the Aerobus shuttle, with two lines reaching the city center in 20–25 minutes for €4. Public buses are cheaper but slower, taxis are readily available with a surcharge, and ride-shares like Uber operate locally. There is no direct train from the airport, but nearby metro stations are a short taxi ride away. Car rentals are available but rarely the fastest choice for the center.", "toolsUsed": [], "references": [ { "url": "http://lisbon-lis.airports-guides.com", "title": "Lisbon Portela Airport (LIS) Information: LIS Airport in Lisbon Area, Portugal" }, { "url": "http://www.lisbon-lis.airports-guides.com/lis_airport_transport.html", "title": "Lisbon Portela Airport (LIS) Travel, Transport: Travel at Airports in Lisbon Area, Portugal", "time_published": "2016-03-03T00:00:00Z" }, { "url": "https://www.lisbon-airport.net/", "title": "Lisbon Airport (LIS)" }, { "url": "https://lisbonairport.net/lisbon-airport-transfers/bus/", "title": "Getting to Lisbon Airport by Bus", "time_published": "2019-03-02T00:00:00Z" }, { "url": "https://lisbonairport.net", "title": "Lisbon Airport | Guide to Lisbon Airport (LIS)" } ] }, "q4": { "question": "When is the cheapest time to fly from Atlanta to Lisbon?", "answer": "The cheapest months to fly from Atlanta to Lisbon are November, February, and April, with average fares around $791, $821, and $828 respectively. The most expensive months are June, July, and May, where average prices reach $1,332, $1,231, and $1,150.", "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 Atlanta to Lisbon?", "answer": "For flights from Atlanta to Lisbon, the best fares are usually found when booking 3 to 6 weeks before departure, with an average price around $919. The cheapest single day to book is about 25 days out at $913, while booking further in advance (e.g., 4+ months) tends to cost more, around $991. For summer and holiday periods, demand is higher, so you'll generally want to book earlier—aiming for at least 6 to 8 weeks ahead—to avoid steeper prices.", "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 Atlanta to Lisbon?", "answer": "No nonstop red-eye flights operate from Atlanta to Lisbon, but connecting itineraries with an overnight long leg are available. From Atlanta, the overnight leg departs at 10:35 PM on British Airways via London Heathrow (arriving 11:45 AM), at 5:10 PM on Delta via Amsterdam (arriving 7:45 AM), and on Air France via Paris CDG with departures at 4:30 PM (arriving 6:50 AM) and 8:05 PM (arriving 10:35 AM). Other connecting red-eye options route through Philadelphia, Toronto, Washington Dulles, Miami, and other hubs on carriers like American, Air Canada, United, and TAP Air Portugal.", "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 Atlanta to Lisbon?", "answer": "No airline operates a nonstop flight from Atlanta to Lisbon. The most common one-stop routings are on British Airways via London Heathrow (with around seven daily connections), American Airlines via Philadelphia (about six daily), Lufthansa via Frankfurt (five daily), Delta/KLM via Amsterdam (four daily), and United via Washington Dulles or Newark (three daily each). TAP Air Portugal also connects via Miami, Boston, Fort Lauderdale, and New York JFK, typically with two to three daily options per routing, often using JetBlue on the domestic leg. Other carriers like Air Canada, Iberia, and Air France offer a few connections via Toronto, London, or Paris. Specific per-carrier fares are not provided here, and frequencies reflect one representative day's schedule.", "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 Atlanta and Lisbon?", "answer": "Common layover cities include Amsterdam, Paris, Madrid, and London. Amsterdam Schiphol offers efficient single-terminal transfers and extensive connections. Paris Charles de Gaulle provides broad network coverage with Air France and SkyTeam partners. Madrid Barajas serves as a key Iberia hub with seamless connections to Lisbon. London Heathrow offers frequent service but may require a transit visa for some nationalities, so check entry requirements." }, "q9": { "question": "How reliable are on‑time departures on this route from Atlanta to Lisbon?", "answer": "On-time performance is generally reliable, though afternoon thunderstorms at ATL can cause delays. Early morning departures, particularly on Delta, offer the best odds for on-time takeoff." }, "q10": { "question": "Which months have the best weather for traveling to Lisbon?", "answer": "May to June and September to early October offer pleasant, sunny weather with fewer tourists than peak summer." }, "q11": { "question": "What documents should I bring with me to the airport when flying from Atlanta to Lisbon?", "answer": "Bring a passport valid for at least three months beyond your stay, proof of onward or return travel, a payment method for baggage, and any required visa or ETIAS authorization when applicable." }, "q12": { "question": "Which airport should I use in Lisbon?", "answer": "Lisbon has only one airport, Humberto Delgado Airport, located about 7 km from the city centre, serving all airlines and flight types." }, "q13": { "question": "How do I get to Hartsfield Jackson Intl Airport from the city center?", "answer": "MARTA's Red and Gold rail lines connect downtown Atlanta directly to the airport station inside the domestic terminal in about 20 minutes, making it the fastest and most popular option. Shared-ride shuttles serve downtown and surrounding neighborhoods, while taxis and ride‑share services offer door‑to‑door convenience at a higher cost. Driving and parking at the airport is also possible, with the domestic terminal accessible via I‑75/85 South.", "toolsUsed": [], "references": [ { "url": "https://atl.com/ground-transportation", "title": "Ground Transportation - The official website of Hartsfield-Jackson Atlanta International Airport", "favicon": "https://www.atl.com/wp-content/uploads/2023/08/cropped-HJ_plane_Red-1000-180x180.jpg", "time_published": "2025-08-22T21:08:34Z" }, { "url": "https://www.atl.com/maps-3/", "title": "Terminal Maps - The official website of Hartsfield-Jackson Atlanta International Airport", "favicon": "https://www.atl.com/wp-content/uploads/2023/08/cropped-HJ_plane_Red-1000-180x180.jpg", "time_published": "2022-01-25T20:26:21Z" }, { "url": "https://en.wikipedia.org/wiki/Airport%20station%20%28MARTA%29", "title": "Airport station (MARTA)", "time_published": "2026-03-29T17:37:22Z" }, { "url": "https://en.wikipedia.org/wiki/Airport_station_(MARTA)", "title": "Airport station (MARTA)", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-06-05T09:05:51Z" }, { "url": "https://www.fly.faa.gov/fly/flyfaa/flyfaaindex?ARPT=ATL&p=1", "title": "Hartsfield-Jackson Atlanta International Airport" } ] }, "q14": { "question": "Are there hotels or sleeping facilities at Lisbon airport?", "answer": "Lisbon Airport (LIS) does not have an on‑site hotel, capsule hotel, or sleeping pods directly inside the terminals. However, several hotels are located just outside the airport and are connected by shuttle, including the Meliá Lisboa Aeroporto and the Star inn Lisbon Airport, both within walking distance or a short shuttle ride from Terminal 1. The free inter‑terminal shuttle also runs 24/7 between Terminal 1 and Terminal 2 on the landside.", "toolsUsed": [], "references": [ { "url": "https://www.sleepinginairports.net/guides/lisbon-airport-guide.htm", "title": "Lisbon Airport Guide (LIS) - 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": "2018-09-02T00:00:05Z" }, { "url": "https://www.sleepinginairports.net/hotels/lisbon-airport-hotels.htm", "title": "Lisbon Airport Guide (LIS) - Sleeping in Airports", "time_published": "2026-04-13T18:11:40Z" }, { "url": "http://lisbon-lis.airports-guides.com", "title": "Lisbon Portela Airport (LIS) Information: LIS Airport in Lisbon Area, Portugal" }, { "url": "http://www.lisbon-lis.airports-guides.com/lis_airport_facilities.html", "title": "Lisbon Portela Airport (LIS) Facilities, Info: Services at Airports in Lisbon Area, Portugal", "time_published": "2016-03-03T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Lisbon_Airport", "title": "Lisbon Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-20T16:51:21Z" }, { "url": "https://en.wikipedia.org/wiki/Lisbon%20Airport", "title": "Lisbon Airport", "time_published": "2026-04-30T23:41:16Z" } ] }, "q17": { "question": "What aircraft are typically used on flights from Atlanta to Lisbon?", "answer": "There is no nonstop service from Atlanta to Lisbon, so all flights connect. On the long transatlantic leg the most common aircraft are the Boeing 777 (including -300ER variants), Boeing 787-9, and Airbus A330 family (A330-300, A330-900 Neo). The exact aircraft varies by airline and routing — for example, British Airways uses the 777 via London, American the 787-9 via Philadelphia, and TAP the A330-900 Neo via Miami or Boston — while the shorter connecting legs are typically flown by narrow-body Airbus A320-family or regional jets like the Embraer 175. Wi‑Fi and seatback entertainment are widely available on these long-haul aircraft, though the specific offering depends on the carrier.", "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 Atlanta to Lisbon?", "answer": "All three major global alliances serve the Atlanta–Lisbon route through one-stop connections: oneworld via American Airlines, British Airways, and Iberia; Star Alliance via United, Lufthansa, Air Canada, TAP Air Portugal, and Turkish Airlines; and SkyTeam via Delta, Air France, and KLM. Every major carrier operating the long-haul leg belongs to an alliance, so there are no unaligned operators like JetBlue or Emirates on the transatlantic segment.", "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. 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 Atlanta?", "answer": "Atlanta's Hartsfield-Jackson Airport has a strong lineup of lounges, led by nine Delta Sky Clubs spread across every concourse, with the flagship at Gate D18 offering over 500 seats and Southern-inspired cuisine. The Centurion Lounge in Concourse E provides complimentary cocktails and a hot buffet for Amex Platinum and Centurion cardholders. The Club ATL in Concourse F is a Priority Pass lounge with a full bar and showers, plus pre-booking available. Minute Suites in Concourses B, E, and F offer private sleep pods and workspaces for short stays, accessible via Priority Pass or pay-per-use. Delta Sky Club access requires a premium ticket, elite status, or a qualifying credit card, while day passes are not sold.", "toolsUsed": [], "references": [ { "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/ATL", "title": "American Express Lounges at Hartsfield–Jackson Atlanta International Airport | Amex US", "time_published": "2026-05-02T00:00:00Z" }, { "url": "https://www.delta.com/us/en/airports/united-states/atlanta-sky-club-airport-map", "title": "Hartsfield Atlanta (ATL) Airport Map & Lounges | Delta Air Lines", "time_published": "2023-01-01T00:00:00Z" }, { "url": "https://prioritypass.com/lounges/usa/atlanta-ga-international", "title": "Hartsfield–jackson Atlanta International Airport ATL Lounges - ATL Airport Guide and lounges. | Priority Pass", "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c", "time_published": "2024-11-05T16:20:09Z" }, { "url": "https://americanexpress.com/en-us/travel/lounges/delta-reserve/ATL", "title": "American Express Lounges at Hartsfield–Jackson Atlanta International Airport | Amex US", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png" }, { "url": "https://prioritypass.com/lounges/usa/atlanta-ga-international/atl11-minute-suites", "title": "Hartsfield–jackson Atlanta International Airport ATL Lounges - ATL Airport Guide and lounges. | Priority Pass", "time_published": "2024-11-05T00:00:00Z" } ] }, "q21": { "question": "What is the baggage allowance on this route from Atlanta to Lisbon?", "answer": "Baggage allowance on Atlanta–Lisbon flights depends on the airline and fare class. Basic economy tickets often do not include a checked bag, but standard international economy typically allows one checked bag and a carry‑on. Premium cabins offer more generous allowances." }, "q22": { "question": "What cabin and seat options are typical from Atlanta to Lisbon?", "answer": "Flights from Atlanta to Lisbon typically offer Economy, often Premium Economy, and flat‑bed Business class; First class is not commonly available." }, "q23": { "question": "Are same‑day changes or standby possible on this route?", "answer": "Policies differ by carrier; flexible and premium‑cabin tickets typically allow same‑day changes or standby, while restrictive economy fares usually do not." } } } }