{
  "response": {
    "Key": "JFK-LIS",
    "orig": {
      "code": "JFK",
      "type": "airport",
      "city": "New York",
      "fullCity": "New York, New York",
      "airport": "John F Kennedy 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 New York to Lisbon?",
        "answer": "A nonstop flight from New York (JFK) to Lisbon (LIS) typically takes about 6 hours 45 minutes to 7 hours 10 minutes. The return flight is often slightly longer, around 7 hours 45 minutes to 8 hours 15 minutes, due to prevailing winds. With one stop, total travel time usually ranges from 9 to 13 hours, depending on the connection city; common layovers include Madrid, London, or Dublin."
      },
      "q1": {
        "question": "Are there any direct flights from New York to Lisbon?",
        "answer": "Yes, there are non‑stop flights from JFK to Lisbon. Delta operates about 50 weekly departures (multiple flights daily) and TAP Air Portugal operates around 21 weekly departures, both with 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"
        ]
      },
      "q2": {
        "question": "Are there visa requirements to travel from New York to Lisbon?",
        "answer": "Yes, visa requirements apply when traveling from New York to Lisbon. As a U.S. citizen, you can enter Portugal and the Schengen Area for up to 90 days within a 180-day period for tourism or business without a visa. However, starting in 2025, you will need to obtain an ETIAS (European Travel Information and Authorization System) authorization before travel, which is a light electronic pre-screening, not a visa. For non-U.S. citizens or Portuguese nationals, requirements vary: U.S. residents may need a Schengen visa depending on their nationality, while Portuguese citizens require a valid passport but no visa to enter the U.S. under the Visa Waiver Program, provided they have an approved ESTA."
      },
      "q3": {
        "question": "What are the ground transportation options in Lisbon?",
        "answer": "Lisbon Humberto Delgado Airport is located just seven kilometers from the city center. The most popular option is the Metro, with the red line connecting the airport to downtown in about twenty minutes at low cost. Aerobus services also run to central stops like Cais do Sodré and Praça do Comércio, taking around thirty minutes. Taxis and ride-share services like Uber are readily available, with a trip to the center taking fifteen to twenty minutes and costing around fifteen euros. Car rentals are available at the airport but are not recommended for city use due to narrow streets and limited parking. Most travelers use the Metro for its speed, frequency, and affordability."
      },
      "q4": {
        "question": "When is the cheapest time to fly from New York to Lisbon?",
        "answer": "Based on seasonal price data, the cheapest months to fly from New York (JFK) to Lisbon (LIS) are March (average $622), April ($625), and November ($676), while the most expensive are June (average $849), May ($804), and December ($794). The low season spans March, April, November, and October, with high season in July, December, May, and June.",
        "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 New York to Lisbon?",
        "answer": "For flights from New York (JFK) to Lisbon (LIS), the best fares are typically found when booking 4 to 7 weeks in advance, with an average price around $722 and the absolute cheapest at about 50 days out ($719). During peak summer (June–August) and holiday periods, prices can rise significantly if booked too close to departure — last‑minute tickets can hit $852 — so aim for at least 6–8 weeks ahead for those travel dates.",
        "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 New York to Lisbon?",
        "answer": "Yes, overnight red‑eye flights are available nonstop from New York (JFK) to Lisbon (LIS). Delta and TAP Air Portugal both operate daily red‑eyes, with departures typically between 8:00 PM and 11:00 PM and arrivals the following 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 New York to Lisbon?",
        "answer": "Nonstop flights from New York JFK to Lisbon are operated by Delta (multiple daily departures) and TAP Air Portugal (daily evening departures). Typical per-carrier fares show TAP Air Portugal with a median price around $840, while Delta's median fare is not reported in the schedule data.",
        "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.",
        "relevant": true,
        "toolsUsed": [
          "route_airlines"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between New York and Lisbon?",
        "answer": "Common layovers include Lisbon-bound flights connecting through European hubs like Madrid, Barcelona, London, and Paris. Madrid and Barcelona offer frequent TAP Air Portugal and Iberia connections with short transfer times. London and Paris provide extensive transatlantic links but may require terminal changes. For US citizens, all are visa-free transit points."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from New York to Lisbon?",
        "answer": "On-time performance is generally good, though afternoon thunderstorms at JFK can cause delays. Early morning flights, particularly on TAP Air Portugal or Delta, tend to depart more reliably."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Lisbon?",
        "answer": "March through May and September through October offer pleasant temperatures and fewer tourists than summer."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from New York to Lisbon?",
        "answer": "Bring a passport valid for at least three months beyond your stay, 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 mid-2025 an ETIAS authorization will be required. Vaccination certificates are not currently mandatory."
      },
      "q12": {
        "question": "Which airport should I use in Lisbon?",
        "answer": "Lisbon has one commercial airport, Humberto Delgado Airport, located about 7 km from downtown. It serves all airlines and is the only option for flights to Lisbon."
      },
      "q13": {
        "question": "How do I get to John F Kennedy Intl Airport from the city center?",
        "answer": "From Midtown Manhattan to JFK, the AirTrain connected to the LIRR at Jamaica is fastest at about 35 min. The subway and AirTrain combo is cheaper but slower. Rideshares and taxis offer door-to-door convenience at a higher cost, and driving with parking is the most expensive."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Lisbon airport?",
        "answer": "Lisbon Airport has no on-site hotels or sleeping pods. The nearest hotel is the Meliá Lisboa Aeroporto, connected by a free shuttle bus. Other nearby hotels, such as the Star Inn Lisbon Airport and TRYP Lisboa Aeroporto Hotel, are a short walk or shuttle ride away."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Humberto Delgado Airport?",
        "answer": "Yes. Humberto Delgado Airport has currency exchange offices in both terminals, a multi‑faith prayer room in Terminal 1 near the food court and free Wi‑Fi throughout the airport."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the New York and Lisbon airports?",
        "answer": "At New York JFK, wheelchair and mobility assistance is available from curb to gate; request through your airline at least 48 hours before departure. JFK offers a children’s play area in Terminal 5 and nursing suites. At Lisbon Humberto Delgado Airport, accessible services include dedicated assistance points, accessible restrooms, and induction loops. For children, Lisbon Airport features a playground in Terminal 1 near the food court."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from New York to Lisbon?",
        "answer": "On nonstop flights from New York JFK to Lisbon, the most common aircraft types are the Airbus A330-900neo (operated by TAP Air Portugal and Delta) and the Boeing 787-10 (United), with TAP also using the A321neo, A330-200, and A330 on some services. The exact aircraft can vary by day and airline, and connecting itineraries via cities like Toronto or Montreal often feature Boeing 777-300ER or Airbus A330-300 aircraft on the long leg.",
        "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 New York to Lisbon?",
        "answer": "Nonstop flights from New York JFK to Lisbon are operated by Delta Air Lines, a SkyTeam member, and TAP Air Portugal, a Star Alliance member. Other alliances may serve the route with connecting itineraries, but these are the only two airline alliances represented among the nonstop carriers in the schedule data.",
        "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 New York?",
        "answer": "At New York JFK, the Air France Lounge in Terminal 1 offers a champagne bar and showers for business‑class passengers and SkyTeam elites. The Delta Sky Club in Terminal 4 features an outdoor Sky Deck and hot buffet for Delta One, SkyTeam Premium, and eligible cardholders. The American Airlines Flagship Lounge in Terminal 8 provides sit‑down dining, a wine table, and showers for Flagship Business and First passengers and oneworld elites. The Chase Sapphire Lounge by The Club in Terminal 4 welcomes Priority Pass and Chase Sapphire Reserve cardholders with craft cocktails, a wellness area, and made‑to‑order food."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from New York to Lisbon?",
        "answer": "Baggage allowance on New York to Lisbon flights depends on the airline and fare class. Basic economy fares often exclude 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 plus personal item. Premium economy and business classes offer higher allowances, usually two checked bags. Always confirm with your airline before travel."
      },
      "q22": {
        "question": "What cabin and seat options are typical from New York to Lisbon?",
        "answer": "Typical cabin options from New York to Lisbon include 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 and premium cabin tickets offering the most leniency."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from New York to Lisbon?",
        "answer": "The cheapest day to fly from New York (JFK) to Lisbon (LIS) is Tuesday with an average fare of $913, while Saturday is the most expensive at $1,004. The cheapest time of day to depart is in the Afternoon, where fares start at $604, compared to the highest minimum of $670 for Early Morning departures.",
        "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 New York to Lisbon?",
        "answer": "A good price for a flight from New York to Lisbon is under $732, which is considered a great deal, while the typical fare is around $922. Prices generally range from $600 to $1,200, with most flights falling between $800 and $1,000.",
        "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"
        ]
      }
    }
  }
}