{
  "response": {
    "Key": "JFK-SEL",
    "orig": {
      "code": "JFK",
      "type": "airport",
      "city": "New York City",
      "fullCity": "New York City, New York",
      "airport": "John F Kennedy Intl Airport"
    },
    "dest": {
      "code": "SEL",
      "type": "airport",
      "city": "Seoul",
      "fullCity": "Seoul, Korea",
      "airport": "Incheon Intl Airport"
    },
    "faq": {
      "q0": {
        "question": "What is the typical flight duration from New York City to Seoul?",
        "answer": "A nonstop flight from New York (JFK) to Seoul (ICN) typically takes about 14 hours 30 minutes to 15 hours. The return flight from Seoul to New York is often shorter, around 13 hours 30 minutes, due to prevailing winds. With one stop, common layovers like Tokyo or Beijing add 2 to 5 hours, resulting in total travel times of 17 to 20 hours."
      },
      "q1": {
        "question": "Are there any direct flights from New York City to Seoul?",
        "answer": "Yes, two airlines fly nonstop from New York JFK to Seoul: Korean Air and Asiana Airlines, both serving Incheon (ICN). Each operates daily with multiple departures — Korean Air has 28 weekly flights and Asiana also has 28, so together there are 56 nonstops per week. Typical fares run around $1,900 round-trip on either carrier.",
        "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 New York City to Seoul?",
        "answer": "Yes — visa requirements depend on your citizenship and direction of travel. For a flight from New York City to Seoul: U.S. citizens do not need a visa for short visits (up to 90 days) to South Korea; however, they must obtain a Korea Electronic Travel Authorization (K-ETA) before departure. South Korean citizens traveling to the U.S. must have a valid visa or, if eligible, an ESTA authorization under the Visa Waiver Program. For other nationalities, check both South Korean and U.S. entry requirements."
      },
      "q3": {
        "question": "What are the ground transportation options in Seoul?",
        "answer": "From Incheon Airport, the most used and fastest option is the AREX express train, reaching Seoul Station in about 43 minutes for ₩9,500. The all-stop commuter train takes around 60 minutes and costs about ₩4,150–₩5,000. Limousine buses serve many city districts with fares from ₩17,000–₩18,000, taking 70–90 minutes. Taxis are widely available but more expensive and subject to traffic. Ride-share services operate but are less common, and car rentals are available though not typically the best choice for city-center travel.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://airport.kr/bbs/ap_en/937/138233/artclView.do",
            "title": "K2Web Wizard",
            "time_published": "2024-10-16T00:00:00Z"
          },
          {
            "url": "https://www.airport.kr/ap_en/1507/subview.do",
            "title": "International Incheon Airport"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Transportation_in_Seoul",
            "title": "Transportation in Seoul",
            "time_published": "2025-09-22T07:17:16Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Incheon%20International%20Airport%20Terminal%201%20station",
            "title": "Incheon International Airport Terminal 1 station",
            "time_published": "2026-03-08T09:10:35Z"
          },
          {
            "url": "https://airport.kr/ap_en/6604/subview.do",
            "title": "International Incheon Airport"
          }
        ]
      },
      "q4": {
        "question": "When is the cheapest time to fly from New York City to Seoul?",
        "answer": "The cheapest months to fly from New York City to Seoul are November, October, and September, with average fares around $852, $884, and $909, respectively. The most expensive months are June, December, and May, averaging $1,364, $1,291, and $1,226.",
        "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 City to Seoul?",
        "answer": "For flights from New York JFK to Seoul, the optimal booking window is roughly 19 to 22 weeks before departure, averaging $1,405 for the best fares. Booking about 145 days ahead can save even more, with prices around $1,400, while last-minute tickets climb above $1,600. During peak summer and holiday periods, you should book even earlier—ideally 5 to 6 months out—as prices tend to rise more steeply close to departure.",
        "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 City to Seoul?",
        "answer": "No nonstop red-eye flights operate from JFK to Seoul, but connecting overnight itineraries are available. One option has the long overnight leg on United from San Francisco (SFO) to Seoul (ICN), departing at 11:55 PM and arriving at 4:20 AM — which is in the early hours — after a short layover in San Francisco.",
        "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"
        ]
      },
      "q8": {
        "question": "If I need a connection, what are common layover cities between New York City and Seoul?",
        "answer": "Common layovers include Tokyo (Narita or Haneda), Seoul (Incheon, if flying to Gimpo), and major Chinese hubs like Beijing or Shanghai. Tokyo offers efficient connections and good onward frequency; Seoul Incheon is a world-class transit hub with streamlined transfers; Chinese airports provide broad Asian networks but may require a transit visa depending on nationality."
      },
      "q9": {
        "question": "How reliable are on‑time departures on this route from New York City to Seoul?",
        "answer": "On-time performance is generally dependable, though afternoon and evening flights face higher delay risk due to JFK congestion and weather. Morning departures on Korean Air and Asiana tend to be more punctual."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Seoul?",
        "answer": "April to early June and late September to October offer mild weather, cherry blossoms in spring, and autumn foliage with fewer tourists than summer or winter holidays."
      },
      "q11": {
        "question": "What documents should I bring with me to the airport when flying from New York City to Seoul?",
        "answer": "Bring a passport valid for at least six months, a K-ETA or visa if required, proof of onward or return travel, a payment method for baggage and any necessary vaccination or health documents."
      },
      "q12": {
        "question": "Which airport should I use in Seoul?",
        "answer": "Incheon is the primary international gateway, located about 30 miles west of central Seoul, and serves most full‑service airlines with extensive global connections. Gimpo, closer to downtown, mainly handles domestic flights and some short‑haul international routes to China, Japan, and Taiwan."
      },
      "q13": {
        "question": "How do I get to John F Kennedy Intl Airport from the city center?",
        "answer": "From Manhattan, the AirTrain JFK combined with the subway or Long Island Rail Road is the most popular and often fastest public transit option, especially during peak traffic. Taxis offer a flat fare to Manhattan and are convenient with luggage, while ride-share services like Uber and Lyft have variable pricing that can be lower or higher depending on demand. Driving and parking at JFK is possible but expensive, and traffic can add significant time; shuttle buses and shared vans provide a middle-ground cost option with door-to-door service.",
        "toolsUsed": [],
        "references": [
          {
            "url": "http://jfkairport.com/transportation",
            "title": "Transportation Options - JFK Airport",
            "favicon": "http://jfkairport.com/images/shared/favicon/jfk_favicon.ico",
            "time_published": "2025-12-23T18:54:39Z"
          },
          {
            "url": "https://jfkairport.com/transportation/ride-share-services",
            "title": "Ride Share Information - JFK Airport",
            "favicon": "https://jfkairport.com/images/shared/favicon/jfk_favicon.ico",
            "time_published": "2025-11-07T16:18:43Z"
          },
          {
            "url": "https://en.wikipedia.org/w/index.php?curid=97218&diff=1343981798&oldid=1343041901&title=John_F._Kennedy_International_Airport",
            "title": "John F. Kennedy International Airport: Difference between revisions",
            "time_published": "2026-03-17T15:31:18Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/John%20F.%20Kennedy%20International%20Airport",
            "title": "John F. Kennedy International Airport",
            "time_published": "2026-04-30T21:30:04Z"
          },
          {
            "url": "https://portfolio.panynj.gov/2015/12/15/jfk-five-things-ok-technically-six-things-you-probably-didnt-know-about-john-f-kennedy-international-airport/",
            "title": "JFK: Five Things (OK, Technically Six Things) You Probably Didn’t Know About John F. Kennedy International Airport |",
            "time_published": "2015-12-15T15:00:57Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Seoul airport?",
        "answer": "Seoul Incheon Airport (ICN) offers the Incheon Airport Transit Hotel airside on the 4th floor of Terminal 1, with rooms available in 6‑hour blocks — no shuttle is needed as it’s inside the secure area. The ibis Styles Ambassador Incheon Airport is a nearby landside hotel connected by a reliable shuttle service. Both terminals also have designated rest zones with reclined loungers and armrest‑free benches for comfortable naps.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://www.sleepinginairports.net/guides/seoul-incheon-airport-guide.htm",
            "title": "Seoul Incheon Airport Guide (ICN) - 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": "2018-10-02T00:00:42Z"
          },
          {
            "url": "https://www.walkerhill.com/transithotel/customer/FAQ",
            "title": "Incheon Airport Transit Hotel",
            "time_published": "2022-06-13T00:00:00Z"
          },
          {
            "url": "http://www.sleepinginairports.net/asia/seoul.htm",
            "title": "Seoul Incheon Airport Guide (ICN) - Sleeping in Airports",
            "time_published": "2026-04-13T17:34:21Z"
          },
          {
            "url": "https://www.walkerhill.com/transithotel/en/t1/about/Introduction.jsp",
            "title": "Incheon Airport Transit Hotel",
            "time_published": "2022-06-13T00:00:00Z"
          },
          {
            "url": "https://all.accor.com/a/en/destination/city/hotels-seoul-v5556.html",
            "title": "Hotels in Seoul | Accor ALL.com",
            "time_published": "2025-01-20T00:00:00Z"
          },
          {
            "url": "https://www.walkerhill.com/transithotel/m/en/t1/about/Introduction.jsp",
            "title": "Incheon Airport Transit Hotel",
            "time_published": "2022-06-13T00:00:00Z"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from New York City to Seoul?",
        "answer": "The nonstop flights from New York JFK to Seoul are typically operated with Boeing 787-9s (on YP), Airbus A380-800s, and Airbus A350-900s (both on Asiana), so the 787-9, A380, and A350-900 are the most common aircraft you'll see on this route. On connecting itineraries, the long-haul leg most often uses Boeing 787-9s, Boeing 777-300ERs, or Airbus A350-1000s, depending on the connecting hub and airline. The exact aircraft can vary by day and airline, but in general these widebody jets offer Wi‑Fi and seatback entertainment on most carriers.",
        "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 City to Seoul?",
        "answer": "Korean Air (SkyTeam) and Asiana Airlines (Star Alliance) operate nonstop from JFK to Seoul, so both SkyTeam and Star Alliance are represented. One-stop itineraries also bring in United and Air Canada (Star Alliance) and American Airlines (oneworld), but the nonstop carriers are the core alliance members 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. 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. Stop counts, connecting hubs, and per-airline prices are drawn from a large sample of the real fares Priceline users found on this route in the last 72 hours. We group those fares by number of stops, by the hub airport a connection routes through, and by operating airline, and report each group's share of the sample alongside its lowest and median price.",
        "toolsUsed": [
          "route_airlines",
          "route_options"
        ]
      },
      "q20": {
        "question": "What are the best airport lounge options when departing from New York City?",
        "answer": "At JFK Terminal 1, Korean Air's KAL Business Class Lounge is available for Prestige Class passengers and SkyTeam Elite Plus members, offering a quiet space with Korean-inspired snacks and showers. Terminal 1 also houses the Lufthansa Senator and Business Lounges (accessible with Star Alliance Gold or business class tickets), the Air France Lounge (with Clarins spa treatments), the Primeclass Lounge (Priority Pass, day passes available), the Turkish Airlines Lounge (modern design, Turkish cuisine), and the VIP ONE Lounge. In Terminal 4, the Delta Sky Club (two locations in Concourses A and B) welcomes Delta One, SkyTeam Elite Plus, and certain Amex cardholders, featuring a Sky Deck and soundproof booths. The Centurion Lounge in Terminal 4 is for Platinum Card and Centurion members, with craft cocktails and a speakeasy bar. The Chase Sapphire Lounge by The Club with Etihad Airways in Terminal 4 accepts Priority Pass and Chase Sapphire Reserve cardholders, while the Virgin Atlantic Clubhouse offers table-service dining for Upper Class and Flying Club Gold members.",
        "toolsUsed": [],
        "references": [
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/JFK",
            "title": "American Express Lounges at John F. Kennedy International Airport | Amex US",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "url": "https://americanexpress.com/en-us/travel/lounges/delta-reserve/JFK",
            "title": "American Express Lounges at John F. Kennedy International Airport | Amex US",
            "time_published": "2026-05-06T00:00:00Z"
          },
          {
            "url": "https://www.prioritypass.com/airport-guides/new-york-ny-jfk-international/terminal-1",
            "title": "New York NY JFK International JFK Terminal 1 - Lounges and info. | Priority Pass",
            "time_published": "2026-01-01T00:00:00Z"
          },
          {
            "url": "https://www.delta.com/us/en/airports/united-states/new-york-city-sky-club-jfk-airport-map",
            "title": "John F. Kennedy (JFK) Airport Map & Lounges | Delta Air Lines",
            "time_published": "2025-05-13T00:00:00Z"
          },
          {
            "url": "https://prioritypass.com/en/lounges/usa/new-york-ny-jfk-international",
            "title": "John F. Kennedy International Airport JFK Lounges - JFK Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from New York City to Seoul?",
        "answer": "On flights from New York City to Seoul, baggage allowance varies by airline and fare class. Basic economy tickets are restrictive and may not include a checked bag, while standard international economy fares often include one free checked bag and a carry-on. Always verify with your airline before travel."
      },
      "q22": {
        "question": "What cabin and seat options are typical from New York City to Seoul?",
        "answer": "Typical cabin options from New York City to Seoul include Economy, Premium Economy on many carriers, and flat-bed Business class. First class is available on select airlines."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Same‑day changes and standby policies vary by airline and fare type, with flexible and premium cabin tickets offering the most options while restrictive basic economy fares typically do not allow them."
      }
    }
  }
}