{
  "response": {
    "Key": "LIS-NYC",
    "orig": {
      "code": "LIS",
      "type": "airport",
      "city": "Lisbon",
      "fullCity": "Lisbon, Portugal",
      "airport": "Humberto Delgado Airport"
    },
    "dest": {
      "code": "NYC",
      "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 or EWR) typically takes about 7 hours 30 minutes to 8 hours. The return flight from New York to Lisbon is usually faster due to tailwinds, averaging around 6 hours 30 minutes to 7 hours. With one stop, total travel time often ranges from 10 to 14 hours, depending on the layover city."
      },
      "q1": {
        "question": "Are there any direct flights from Lisbon to New York?",
        "answer": "Yes, there are daily nonstop flights from Lisbon (LIS) to New York (NYC) on three airlines: TAP Air Portugal serves both JFK and Newark (EWR), Delta flies to JFK, and United flies to Newark. In total, the schedule data shows about 62 weekly nonstop departures across the two New York airports, all operating daily.",
        "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 depend on your nationality. U.S. citizens do not need a visa to enter the U.S. Portuguese citizens and nationals of other Visa Waiver Program countries must have a valid ESTA authorization for short visits. Travelers from non-VWP countries need a U.S. visa. For entry into Portugal, U.S. citizens can visit visa-free for up to 90 days within a 180-day period in the Schengen Area. Starting in 2025, U.S. citizens will need an ETIAS authorization for Portugal. Always verify current rules before travel."
      },
      "q3": {
        "question": "What are the ground transportation options in New York?",
        "answer": "New York is served by JFK, LaGuardia, and Newark airports. From JFK, the AirTrain connects to the subway and Long Island Rail Road, reaching Manhattan in about 50-70 minutes. Taxis and ride-share services cost a flat fee of $70 plus tolls and take 45-75 minutes. From LaGuardia, public transit requires a bus to the subway and takes over an hour, so taxis and ride-shares are common, costing $40-60 and taking 30-50 minutes. From Newark, the AirTrain links to NJ Transit trains, reaching Penn Station in about 30-45 minutes. Taxis and ride-shares from Newark are metered but often cost $60-90 plus tolls. Car rentals are available at all airports but are impractical for Manhattan due to traffic and parking costs. Mass transit is most used from JFK and Newark, while taxis and ride-shares dominate from LaGuardia."
      },
      "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 (averaging $622), April ($625), and November ($676), while the most expensive months are June (averaging $849), May ($804), and December ($794).",
        "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. Booking last-minute tends to be more expensive, with prices rising above $850. During summer and holiday periods, demand is higher, so aiming for the earlier end of that window or even slightly further out can help secure better fares.",
        "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 to New York — neither nonstop nor as a connecting itinerary where the long leg is a red-eye, based on the schedule data.",
        "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": "Nonstop flights from Lisbon (LIS) to New York (NYC) are operated by TAP Air Portugal (to both Newark EWR and JFK), United Airlines (to Newark EWR), and Delta Air Lines (to JFK), according to current schedule data. TAP offers the most frequencies with multiple daily departures, while United and Delta each provide daily service.",
        "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 include Madrid, London, Paris, and Amsterdam. Madrid offers efficient connections via Iberia, often with short transfer times. London, Paris, and Amsterdam provide extensive transatlantic networks and modern transfer facilities. US-bound passengers can use Dublin for US preclearance, saving time on arrival. All are well-connected hubs that keep total travel time competitive."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Lisbon to New York?",
        "answer": "On-time reliability is fair, but afternoon and evening departures can be impacted by congestion or weather. Morning flights on TAP Air Portugal and Delta tend to depart closer to schedule. Lisbon Airport can experience delays, so arriving early is wise."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to New York?",
        "answer": "April to June and September to early November offer mild temperatures, blooming or colorful foliage, and fewer tourists than summer and 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 the duration of your stay, an ESTA authorization for visa-free travel, payment for baggage, proof of return or onward travel, and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in New York?",
        "answer": "John F. Kennedy International serves most transatlantic flights from Lisbon. Newark Liberty offers alternatives with its own rail link to Manhattan. LaGuardia is closest to Midtown but primarily handles domestic routes."
      },
      "q13": {
        "question": "How do I get to Humberto Delgado Airport from the city center?",
        "answer": "From central Lisbon, the Aeroporto metro station on the red line reaches Humberto Delgado Airport in about 20–25 minutes and is the most popular and cheapest way. Aerobus shuttle buses are slightly pricier but direct. Rideshares and taxis take 15–20 minutes and cost more. Driving and parking are available but the least cost‑effective."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at New York airport?",
        "answer": "New York airports have on-site hotels only at JFK: the TWA Hotel is connected to Terminal 5. At LaGuardia and Newark, there are no on-site sleeping facilities, but nearby hotels offer free shuttle service."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at John F Kennedy Intl Airport?",
        "answer": "JFK has currency exchange offices in Terminals 1, 4, and 8; a multi‑faith chapel in Terminal 4 near the departures level; and free Wi‑Fi throughout all terminals."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Lisbon and New York airports?",
        "answer": "Lisbon Airport offers free wheelchair assistance and accessible restrooms; request via airline 48 hours prior. There is a children’s play area near gate 41. New York JFK provides wheelchair assistance, accessible facilities, and play areas in Terminal 5, along with nursing suites; also request 48 hours in advance."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Lisbon to New York?",
        "answer": "Nonstop flights from Lisbon to New York typically use the Boeing 787-10 on United and the Airbus A330-900 Neo, A321-200 Neo, or A330-200 on TAP Air Portugal, though the exact aircraft can vary by day. On connecting itineraries, common long-haul types include the Boeing 777-300ER (via Toronto or Istanbul), Airbus A330-300 (via Montreal or Dublin), and Airbus A350-900 (via Munich or Istanbul). Wi-Fi and seatback entertainment are widely available across these modern aircraft, but specifics depend on the airline and exact plane operating your flight.",
        "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": "TAP Air Portugal and United Airlines serve Lisbon to New York nonstop as Star Alliance members, while Delta Air Lines flies it as a SkyTeam member; no oneworld carrier operates a nonstop on this route, and all three nonstop operators belong to a global alliance.",
        "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"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Lisbon?",
        "answer": "At Lisbon Humberto Delgado Airport in Terminal 1, TAP Air Portugal operates the TAP Premium Lounge, accessible to TAP business class passengers and Star Alliance Gold members. It offers Portuguese cuisine, a bar, showers, and work areas. In the non-Schengen area, the ANA Lounge is available for eligible passengers on intercontinental flights, with similar amenities including a buffet and quiet zones. Both lounges can be accessed via Priority Pass or by purchasing a lounge pass if space permits."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Lisbon to New York?",
        "answer": "Baggage allowance depends on the airline and fare type. Basic economy often excludes a checked bag and may restrict carry-on to a personal item only. Standard international economy typically includes one free checked bag and a carry-on. Premium cabins offer more generous allowances."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Lisbon to New York?",
        "answer": "Typical cabin options from Lisbon to New York include Economy, Premium Economy, and flat-bed Business class, with First class rarely offered on this route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "On this international route, same‑day changes or standby depend on the airline and fare class, with premium cabins and flexible tickets offering the best 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 and a minimum of $453, while Sunday is the most expensive day averaging $988. The cheapest time of day to depart is midday, with fares starting at $451, whereas late night departures are priciest with a minimum of $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 fare for flights from Lisbon to New York is anything under the great-deal threshold of $678, while the typical price is around $842 based on recent data.",
        "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"
        ]
      }
    }
  }
}