{
  "response": {
    "Key": "LIS-EWR",
    "orig": {
      "code": "LIS",
      "type": "airport",
      "city": "Lisbon",
      "fullCity": "Lisbon, Portugal",
      "airport": "Humberto Delgado Airport"
    },
    "dest": {
      "code": "EWR",
      "type": "airport",
      "city": "Newark",
      "fullCity": "Newark, New Jersey",
      "airport": "Liberty Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from Lisbon to Newark?",
        "answer": "A nonstop flight from Lisbon (LIS) to Newark (EWR) typically takes about 7 hours 45 minutes to 8 hours 15 minutes eastbound. On the return, westbound flights are usually longer due to prevailing winds, averaging around 8 hours 30 minutes to 9 hours. With one stop, common layovers include European hubs like Madrid or London, extending total travel time to roughly 10 to 14 hours. TAP Air Portugal and United offer nonstop service, with typical flight times near the lower end of these ranges."
      },
      "q1": {
        "question": "Are there any direct flights from Lisbon to Newark?",
        "answer": "Yes, there are direct nonstop flights from Lisbon (LIS) to Newark (EWR), operated by two airlines: TAP Air Portugal (TP) and United Airlines (UA). Both carriers fly the route daily, with TAP offering five daily departures (late morning and late afternoon) and United offering two daily departures (mid-morning).",
        "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 Newark?",
        "answer": "Yes, there are visa requirements for traveling from Lisbon to Newark. U.S. citizens do not need a visa to enter the United States, but they must present a valid U.S. passport. Portuguese citizens can travel to the U.S. under the Visa Waiver Program for tourism or business stays of up to 90 days, provided they have an approved ESTA authorization. Other nationals should check U.S. visa requirements based on their citizenship. There are no exit visa requirements for leaving Portugal."
      },
      "q3": {
        "question": "What are the ground transportation options in Newark?",
        "answer": "From Newark Liberty International Airport (EWR) to downtown Newark, the AirTrain connects to NJ Transit and Amtrak trains at Newark Liberty International Airport Station. NJ Transit trains reach Newark Penn Station in about five to seven minutes, making this the fastest and most used option. The AirTrain also links to bus services, including the Go Bus 28 to downtown Newark, which takes longer but is cheaper. Taxis and ride-share services are available and take around fifteen minutes to central Newark, though traffic can increase travel time. Car rentals are an option but are less practical for short city trips and parking can be difficult. Overall, the AirTrain plus NJ Transit train is the most efficient and popular choice for reaching downtown Newark."
      },
      "q4": {
        "question": "When is the cheapest time to fly from Lisbon to Newark?",
        "answer": "The cheapest months to fly from Lisbon to Newark are March (around $622), April (around $625), and November (around $676), while the most expensive are June (around $849), May (around $804), and December (around $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 Newark?",
        "answer": "For flights from Lisbon to Newark, the best fares are usually found when booking 4 to 7 weeks ahead, with the lowest average price around $722 and the single cheapest day about 50 days before departure at $719. Last-minute bookings (less than 3 weeks out) tend to be more expensive, often exceeding $800, and this pattern holds for summer and holiday travel, though prices may be higher overall during those peak periods.",
        "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 Newark?",
        "answer": "There are no overnight (red-eye) flights available from Lisbon (LIS) to Newark (EWR). No nonstop red-eyes exist on this route, and no connecting itineraries with a red-eye long leg were found in 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 Newark?",
        "answer": "Non‑stop flights from Lisbon to Newark are operated by TAP Air Portugal (TP) and United Airlines (UA). Based on schedule data, TAP Air Portugal typically has a median fare around $720, while United Airlines has a median fare around $773.",
        "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 Lisbon and Newark?",
        "answer": "Common layover cities include Dublin, London, Paris, and Amsterdam. Dublin offers US preclearance, saving time upon arrival. London, Paris, and Amsterdam provide broad connections with major airlines and efficient transfer processes. All are within competitive total travel times for this route."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from Lisbon to Newark?",
        "answer": "On-time reliability is generally decent, but evening departures can encounter delays due to congestion at Lisbon or Newark. Early morning flights, particularly those operated by TAP Air Portugal or United, tend to have better on-time performance."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Newark?",
        "answer": "May to June and September to early October offer pleasant temperatures and fewer tourists."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from Lisbon to Newark?",
        "answer": "Bring a passport valid for your stay, a valid U.S. visa or ESTA authorization, proof of onward or return travel, a payment method for baggage fees, and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Newark?",
        "answer": "Newark Liberty International Airport is the only commercial airport in Newark. It is a major hub for United Airlines, offering extensive domestic and international connections, and is located about 3 miles from downtown Newark and 16 miles from Manhattan."
      },
      "q13": {
        "question": "How do I get to Humberto Delgado Airport from the city center?",
        "answer": "From downtown Lisbon, the Metro's red line reaches Humberto Delgado Airport in about 20–25 minutes and is the cheapest option. Aerobus shuttles and rideshares are also available but cost more. Taxis are convenient and moderately priced, while driving and parking is the most expensive option."
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Newark airport?",
        "answer": "Newark Liberty International Airport does not have on-site hotels or sleeping pods inside the terminals. The closest hotel is the Newark Liberty International Airport Marriott, located on airport property but requiring a free shuttle from all terminals. Several other nearby hotels also offer complimentary shuttle service."
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Liberty Intl Airport?",
        "answer": "Newark Liberty International Airport provides currency exchange offices in Terminals B and C, an interfaith chapel in Terminal C near Gate C2, and free Wi-Fi throughout all terminals."
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Lisbon and Newark airports?",
        "answer": "Lisbon Airport offers wheelchair assistance, accessible restrooms, and a children's play area near the food court. Newark Liberty provides wheelchair services, a sensory room, and a kids' play zone in Terminal C. Request assistance through your airline at least 48 hours before departure."
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Lisbon to Newark?",
        "answer": "The nonstop flights from Lisbon to Newark are typically operated with Boeing 787-10s by United and Airbus A321-200 Neo, A330-900 Neo, or A330-200 aircraft by TAP Air Portugal, though the exact type can vary by day. On connecting itineraries, common long-haul aircraft include the Boeing 777-300ER (via Toronto or Istanbul) and Airbus A330-300 (via Montreal or Dublin), while Wi-Fi and seatback entertainment are widely available across these modern fleets.",
        "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 Newark?",
        "answer": "The nonstop carriers on Lisbon–Newark are TAP Air Portugal (Star Alliance) and United Airlines (also Star Alliance), so Star Alliance is the only alliance with nonstop service; other alliances may serve the route via 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"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from Lisbon?",
        "answer": "At Lisbon Airport, the TAP Air Portugal Premium Lounge in the Schengen area and the TAP Air Portugal Lounge in the non‑Schengen area offer Portuguese cuisine, showers and workspaces. Access is granted to business‑class passengers and Star Alliance Gold members. The ANA Lounge, also in the non‑Schengen area, accepts Priority Pass and sells day passes, providing a buffet and quiet seating."
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Lisbon to Newark?",
        "answer": "On Lisbon–Newark flights, baggage rules vary by airline. Basic economy often excludes a checked bag, while standard economy usually includes one checked bag and a carry‑on. Premium cabins typically allow two checked bags and a larger carry‑on. Always confirm with your airline."
      },
      "q22": {
        "question": "What cabin and seat options are typical from Lisbon to Newark?",
        "answer": "Flights from Lisbon to Newark commonly offer Economy, Premium Economy, and flat-bed Business class, with United and TAP Air Portugal providing these options."
      },
      "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 tickets offering better options than restrictive economy fares."
      },
      "q24": {
        "question": "What are the cheapest days and times to fly from Lisbon to Newark?",
        "answer": "The cheapest day to fly from Lisbon to Newark 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 start at $451, contrasting with 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 Newark?",
        "answer": "A great deal on a flight from Lisbon to Newark is anything under $678, while the typical price hovers around $842. Most fares fall between $600 and $1,200, though you can occasionally find flights as low as $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"
        ]
      }
    }
  }
}