{
  "response": {
    "Key": "LIS-JFK",
    "orig": {
      "code": "LIS",
      "type": "airport",
      "city": "Lisbon",
      "fullCity": "Lisbon, Portugal",
      "airport": "Humberto Delgado Airport"
    },
    "dest": {
      "code": "JFK",
      "type": "airport",
      "city": "New York",
      "fullCity": "New York, New York",
      "airport": "John F Kennedy Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Lisbon to New York?",
        "answer": "A nonstop flight from Lisbon (LIS) to New York (JFK) typically takes about 7 hours 45 minutes to 8 hours 15 minutes. The return flight from New York to Lisbon is usually faster due to prevailing tailwinds, averaging around 6 hours 45 minutes to 7 hours 15 minutes. With a layover, total journey time often ranges from 10 to 14 hours, depending on the connection city such as Madrid, London, or Dublin."
      },
      "q1": {
        "question": "Are there any direct flights from Lisbon to New York?",
        "answer": "Yes, there are nonstop flights from Lisbon (LIS) to New York (JFK) on two airlines: TAP Air Portugal and Delta. TAP Air Portugal operates two daily flights (departing at 4:35 PM and 5:00 PM), while Delta operates one daily flight (departing at 10:00 AM), so nonstops run multiple times every day of the week.",
        "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. 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 Lisbon to New York?",
        "answer": "Yes, visa requirements apply for travel from Lisbon, Portugal to New York, USA. Portuguese citizens can travel to the US for tourism or business for up to 90 days under the Visa Waiver Program, but must obtain an ESTA authorization online before departure. Non-Portuguese nationals should check US visa requirements based on their citizenship. For the return from New York to Lisbon, US citizens can enter Portugal and the Schengen Area visa-free for short stays up to 90 days. Starting in 2025, US citizens will need an ETIAS authorization for travel to Portugal."
      },
      "q3": {
        "question": "What are the ground transportation options in New York?",
        "answer": "From JFK, the AirTrain connects to the subway (A, E, J, Z lines) and Long Island Rail Road (LIRR) at Jamaica or Howard Beach stations. The subway is the cheapest option, taking about sixty to seventy-five minutes to Midtown Manhattan. The LIRR is faster, reaching Penn Station in about thirty-five minutes from Jamaica, but costs more. Taxis and ride-share services offer door-to-door convenience and take forty-five to seventy-five minutes depending on traffic, with flat-rate fares for yellow cabs. Car rentals are available but not practical for city driving due to congestion and parking costs. Most travelers use the AirTrain plus subway or LIRR combination for its balance of cost and efficiency."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Lisbon to New York?",
        "answer": "The cheapest months to fly from Lisbon to New York are March (average $622) and April ($625), with November ($676) and October ($705) also offering lower fares. The most expensive months are June (average $849) and May ($804), followed by December ($794) and July ($785).",
        "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.",
        "relevant": true,
        "toolsUsed": [
          "seasonal_prices"
        ]
      },
      "q5": {
        "question": "How far in advance should I book tickets from Lisbon to New York?",
        "answer": "For flights from Lisbon to New York, the optimal booking window is roughly 4 to 7 weeks before departure, with the lowest average fares around $719 at 50 days ahead. Prices tend to rise significantly within the final two weeks, so for busy summer or holiday periods you should book closer to 7 weeks out to avoid steeper last-minute costs.",
        "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.",
        "relevant": true,
        "toolsUsed": [
          "booking_timing"
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Lisbon to New York?",
        "answer": "No overnight (red-eye) flights are available from Lisbon (LIS) to New York (JFK). The schedule data shows no nonstop red-eyes on this route, and no connecting itineraries with a red-eye long leg were found either.",
        "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 Lisbon to New York?",
        "answer": "The schedule data shows nonstop flights from Lisbon to New York JFK on TAP Air Portugal (TP) with two daily departures and Delta Air Lines (DL) with one daily departure. Other carriers may also serve this route with one-stop connections.",
        "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.",
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between Lisbon and New York?",
        "answer": "Common layover cities between Lisbon and New York include Madrid, London, Paris, and Amsterdam. Madrid offers short connection times and broad connections on Iberia. London Heathrow has extensive transatlantic options. Paris Charles de Gaulle and Amsterdam Schiphol provide efficient single-terminal transfers and strong onward networks to JFK."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Lisbon to New York?",
        "answer": "On-time performance is generally reliable, though afternoon and evening flights face higher delay risk due to congestion and weather. Early morning departures, particularly on TAP Air Portugal and Delta, tend to have the best on-time odds."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to New York?",
        "answer": "April to June and September to early November offer pleasant temperatures and fewer tourists than summer or the winter holidays."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Lisbon to New York?",
        "answer": "Bring a passport valid for your stay, an ESTA or U.S. visa, proof of return or onward travel, a payment method for baggage and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in New York?",
        "answer": "For most international flights, JFK is the primary choice with extensive global connections. It is about 15 miles from Midtown Manhattan. Newark Liberty is slightly closer to Lower Manhattan and is a major hub for United Airlines. LaGuardia is closest to Manhattan but handles mostly domestic and short-haul flights."
      },
      "q13": {
        "question": "How do I get to Humberto Delgado Airport from the city center?",
        "answer": "From central Lisbon to Humberto Delgado Airport, the Metro red line takes about 20–25 minutes and is the cheapest and most popular option. Aerobus shuttles are slightly slower but offer direct service. Rideshares and taxis take around 15–20 minutes and cost more. Driving and parking are the most expensive."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at New York airport?",
        "answer": "Yes, JFK has the TWA Hotel connected to Terminal 5, accessible via the AirTrain without a shuttle. No capsule hotels or sleeping pods are available. Other nearby hotels like the Crowne Plaza and Hilton offer free shuttle service from all terminals."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at John F Kennedy Intl Airport?",
        "answer": "JFK Airport provides currency exchange at Travelex and ICE desks in Terminals 1, 4, 5, 7 and 8. Multifaith prayer rooms are located pre‑security in Terminal 4, and there is a Catholic chapel near Terminal 5. Free Wi‑Fi is available airport‑wide."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Lisbon and New York airports?",
        "answer": "Lisbon Airport offers wheelchair assistance, accessible toilets, and a baby care lounge with a play area; request mobility help via your airline at least 48 hours before departure. New York JFK provides wheelchair assistance, dedicated quiet rooms for sensory relief, and children’s play areas in Terminal 5, also bookable through your airline 48 hours in advance."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Lisbon to New York?",
        "answer": "On the nonstop Lisbon–New York JFK route, the most common aircraft shown in schedule data are the Boeing 787-10 operated by United and the Airbus A321-200 Neo, A330-900 Neo, and A330-200 operated by TAP Air Portugal, though the exact type can vary by day and airline. For connecting itineraries, typical long-haul aircraft include the Boeing 777-300ER, Airbus A330-300, and A350-900, with shorter connecting segments flown by various narrow-body or regional jets.",
        "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 Lisbon to New York?",
        "answer": "Star Alliance (TAP Air Portugal and United Airlines) and SkyTeam (Delta Air Lines) serve nonstop flights from Lisbon to New York JFK, according to schedule data. No oneworld carrier operates the route nonstop, though oneworld options may be available via connections. All nonstop operators belong to one of these two alliances — there are no unaffiliated carriers like JetBlue or Emirates 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. 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_airlines",
          "route_aircraft"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Lisbon?",
        "answer": "At Lisbon Airport, the TAP Air Portugal Premium Lounge (non‑Schengen area) is the primary airline‑branded lounge, accessible to TAP business‑class passengers and Star Alliance Gold members. It features a la carte dining, barista coffee and showers. The ANA Lounge (Schengen area) is a smaller independent lounge open to Priority Pass, LoungeKey and other programme members, with light snacks and seating. For passengers on TAP’s long‑haul A330neo flights, the Premium Lounge offers a particularly comfortable pre‑flight experience."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Lisbon to New York?",
        "answer": "Baggage allowance on Lisbon–New York flights depends on the airline and fare type. Basic economy fares typically do not include a checked bag, while standard economy usually includes one checked bag and a carry-on. Premium economy and business class offer higher allowances, often two checked bags. Always check your specific fare rules before flying."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Lisbon to New York?",
        "answer": "Flights from Lisbon to New York typically offer Economy, Premium Economy, and flat-bed Business class."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Same-day changes and standby depend on the airline and fare class, with flexible tickets and premium cabins typically offering more lenient options."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from Lisbon to New York?",
        "answer": "The cheapest day to fly from Lisbon to New York is Thursday, with an average fare of $876, while Sunday is the most expensive at $988. The cheapest time of day to depart is midday, where fares can be as low as $451, compared to late night departures which start at $576.",
        "methodology": "The cheapest day of the week and time of day to depart are drawn from the same large sample of real fares Priceline users found on this route in the last 72 hours, grouped by the day of the week and by the time-of-day window of the outbound departure, with the lowest and average price reported for each.",
        "relevant": true,
        "toolsUsed": [
          "departure_timing"
        ]
      },
      "q25": {
        "question": "What is a good price for a flight from Lisbon to New York?",
        "answer": "A good price for a flight from Lisbon to New York is anything below $678, which counts as a great deal, while the typical fare is around $842. Prices most often fall between $600 and $1,000, with the lowest available around $451.",
        "methodology": "The typical price, the lowest fare, a 'great deal' threshold, and how fares are spread across price bands are summarized from a large sample of the real fares Priceline users found on this route in the last 72 hours, with a small fraction of extreme outlier fares excluded from the range.",
        "relevant": true,
        "toolsUsed": [
          "price_context"
        ]
      }
    }
  }
}