{"response": {"Key": "GMP-CJU", "orig": {"code": "GMP", "type": "airport", "city": "Seoul", "fullCity": "Seoul, Korea", "airport": "Gimpo Intl Airport"}, "dest": {"code": "CJU", "type": "airport", "city": "Jeju Island", "fullCity": "Jeju Island, Korea", "airport": "Jeju Intl Airport"}, "faq": {"q0": {"question": "What is the typical flight duration from Seoul to Jeju Island?", "answer": "The flight from Seoul (GMP) to Jeju Island (CJU) is about 280 miles and typically takes 1 hour 15 minutes nonstop. The return leg also takes 1 hour 15 minutes, so the flight time is essentially the same in both directions.", "methodology": "Carrier service, flight times and distances for this route come 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). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold.", "toolsUsed": ["flight_schedule"]}, "q1": {"question": "Are there any direct flights from Seoul to Jeju Island?", "answer": "Yes, there are direct flights from Seoul Gimpo (GMP) to Jeju (CJU). Seven airlines — Asiana (OZ), Jeju Air (7C), Korean Air (KE), Eastar Jet (ZE), Air Busan (BX), Jin Air (LJ), and WE — operate nonstop service daily, together offering over 700 weekly flights with a typical flight time of about 75 minutes. OZ and KE also run daily red-eye departures at 21:00 for travelers who prefer an overnight option.", "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, flight times and distances for this route come 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). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold. 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. 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": ["route_airlines", "flight_schedule", "route_aircraft", "redeye_flights"]}, "q3": {"question": "What are the ground transportation options in Jeju Island?", "answer": "From Jeju International Airport to Jeju City center, taxis and buses are the primary options, with ride-share services like Kakao T also widely used. The airport limousine bus (Route 600) runs frequently to major hotels and downtown, taking about 15–20 minutes, while local city buses offer a cheaper but slower alternative. Taxis are plentiful and can be hailed at the rank; a trip to the city center costs roughly ₩5,000–₩10,000 and is the fastest door-to-door choice. Car rentals are available at the airport and are popular for exploring the island beyond the city, though traffic and parking in the center can be challenging. Among visitors, the airport limousine bus is the most commonly used due to its convenience and direct hotel links.", "toolsUsed": [], "references": [{"url": "https://en.wikipedia.org/wiki/Jeju%20City", "title": "Jeju City", "time_published": "2026-04-26T07:13:03Z"}, {"url": "https://en.wikipedia.org/wiki/Jeju_City", "title": "Jeju City", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-19T22:49:29Z"}, {"url": "https://en.wikipedia.org/wiki/Jeju_International_Airport", "title": "Jeju International Airport", "time_published": "2026-07-06T11:45:17Z"}, {"url": "https://en.wikipedia.org/wiki/Seoul%20Station", "title": "Seoul Station", "time_published": "2026-04-19T17:16:17Z"}, {"url": "https://en.wikipedia.org/wiki/Jeju%20International%20Airport", "title": "Jeju International Airport", "time_published": "2026-04-05T13:46:50Z"}]}, "q6": {"question": "Are overnight (red‑eye) flights available from Seoul to Jeju Island?", "answer": "Overnight red‑eye flights from Seoul Gimpo (GMP) to Jeju (CJU) are available. Asiana operates two nightly departures around 21:00 daily, and Korean Air operates one nightly departure around 21:00 daily. These flights land around 22:10 the same evening — the flight is just over an hour, so despite the late departure they arrive before midnight.", "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 Seoul to Jeju Island?", "answer": "Six airlines fly nonstop from Seoul Gimpo to Jeju: Asiana Airlines (OZ), Jeju Air (7C), Korean Air (KE), Eastar Jet (ZE), Air Busan (BX), Jin Air (LJ), and WE Airlines (WE). Korean Air, Asiana, and Jeju Air each operate around 256 weekly flights, offering departures throughout the day. Eastar Jet provides about 148 weekly flights, while Air Busan and Jin Air offer 65 and 48 weekly flights respectively; WE Airlines has 14 weekly flights. Typical per-carrier median fares are not available 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.", "toolsUsed": ["route_airlines"]}, "q8": {"question": "If I need a connection, what are common layover cities between Seoul and Jeju Island?", "answer": "Seoul (GMP) to Jeju (CJU) is a domestic route with many daily non‑stops, so connections are unusual. If you must connect, Busan (PUS) and Daegu (TAE) are the only practical domestic hubs that keep travel time reasonable, offering efficient transfers and high frequency."}, "q10": {"question": "Which months have the best weather for traveling to Jeju Island?", "answer": "April to June and September to November offer pleasant temperatures and fewer tourists."}, "q11": {"question": "What documents should I bring with me to the airport when flying from Seoul to Jeju Island?", "answer": "For this domestic South Korean flight, bring a valid government-issued photo ID such as a national ID card or passport, along with a payment method for any baggage fees. No visa or special travel authorization is needed, and vaccination certificates are not currently required."}, "q12": {"question": "Which airport should I use in Jeju Island?", "answer": "Jeju International Airport is the only commercial airport on the island. It is located near the northern coast, about 5 km from Jeju City centre and within easy reach of major attractions."}, "q13": {"question": "How do I get to Gimpo Intl Airport from the city center?", "answer": "The fastest and most popular way to reach Gimpo Airport from central Seoul is by subway, with Lines 5 and 9 and the Airport Railroad (AREX) connecting directly to the station right at the domestic terminal. Airport limousine buses run from major points in the city, taking a bit longer but offering a comfortable, direct ride to the terminal. Taxis are convenient and widely available, though they cost more than public transit, while ride-share services like Kakao T operate similarly. Driving is possible with on-site parking, but traffic can be heavy and parking fills up during peak hours.", "toolsUsed": [], "references": [{"url": "https://en.wikipedia.org/wiki/Gimpo_International_Airport", "title": "Gimpo International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-20T00:34:01Z"}, {"url": "https://en.wikipedia.org/wiki/Gimpo_International_Airport_station", "title": "Gimpo International Airport station", "time_published": "2026-06-18T01:18:13Z"}, {"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/1490/subview.do", "title": "International Incheon Airport", "time_published": "2026-01-22T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Gimpo%20International%20Airport%20station", "title": "Gimpo International Airport station", "time_published": "2025-07-02T14:13:16Z"}]}, "q14": {"question": "Are there hotels or sleeping facilities at Jeju Island airport?", "answer": "Jeju International Airport does not have any on-site hotels, capsule hotels, or sleeping pods. The airport closes nightly from 11:00 PM to 5:00 AM, and overnight stays inside the terminal are not permitted. Several nearby hotels are available, though none are directly connected by a shuttle from the airport.", "toolsUsed": [], "references": [{"url": "https://www.sleepinginairports.net/guides/jeju-airport-guide.htm", "title": "Jeju Airport Guide", "time_published": "2025-06-05T00:00:00Z"}, {"url": "https://www.sleepinginairports.net/reviews/jeju-airport-reviews.htm", "title": "Jeju Airport Reviews (CJU)", "time_published": "2019-12-11T00:00:00Z"}, {"url": "https://www.walkerhill.com/transithotel/customer/FAQ", "title": "Incheon Airport Transit Hotel", "time_published": "2022-06-13T00:00:00Z"}, {"url": "https://www.walkerhill.com/transithotel/en/reservation/RoomSearchIntro.jsp", "title": "Incheon Airport Transit Hotel", "time_published": "2026-01-14T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Jeju_International_Airport", "title": "Jeju International Airport", "time_published": "2026-07-06T11:45:17Z"}, {"url": "https://all.accor.com/a/en/destination/country/hotels-south-korea-pkr/budget-friendly.html", "title": "Budget hotels in South Korea: Book at the best rate | Accor", "time_published": "2026-05-01T00:00:00Z"}]}, "q15": {"question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Jeju Intl Airport?", "answer": "Jeju International Airport offers currency exchange offices, a prayer room, and free Wi‑Fi. Currency exchange counters and ATMs are available in the arrivals hall on the first floor and near the departure gates on the third floor. A multi‑faith prayer room is located on the third floor of the terminal. Free Wi‑Fi is provided throughout the terminal.", "toolsUsed": [], "references": [{"url": "https://en.wikipedia.org/wiki/Jeju_International_Airport", "title": "Jeju International Airport", "time_published": "2026-07-06T11:45:17Z"}, {"url": "https://en.wikipedia.org/wiki/Jeju%20City", "title": "Jeju City", "time_published": "2026-04-26T07:13:03Z"}, {"url": "https://en.wikipedia.org/wiki/Jeju_City", "title": "Jeju City", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-19T22:49:29Z"}, {"url": "https://en.wikipedia.org/wiki/List_of_airports_in_South_Korea", "title": "List of airports in South Korea", "time_published": "2026-01-12T13:56:20Z"}, {"url": "https://en.wikipedia.org/wiki/Cheongju_International_Airport", "title": "Cheongju International Airport", "time_published": "2026-07-06T11:08:14Z"}]}, "q17": {"question": "What aircraft are typically used on flights from Seoul to Jeju Island?", "answer": "Flights from Seoul Gimpo to Jeju are operated with a mix of narrowbody jets, most commonly the Boeing 737-800 (flown by Jin Air, Eastar Jet, and T'way Air) and Boeing 737 MAX 8 (T'way Air). Airbus A321-100s also appear on the route, operated by Air Seoul, and some carriers use unspecified aircraft types that could include additional 737 or A320-family variants. The exact aircraft can vary by day and airline, but the route is dominated by Boeing 737s.", "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 Seoul to Jeju Island?", "answer": "Nonstop flights from Seoul Gimpo to Jeju are operated by Asiana Airlines (Star Alliance), Korean Air (SkyTeam), and several unaffiliated carriers including Jeju Air, Eastar Jet, Air Busan, Jin Air, and Thai Smile. No oneworld member flies this route nonstop, though connections could involve oneworld airlines.", "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, flight times and distances for this route come 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). We report the days of the week and the departure times each carrier operates. The typical flight time is the median scheduled block time, given both per carrier and across all carriers on the route; where a schedule does not publish an elapsed time, it is derived from the scheduled departure and arrival times converted to UTC. Outbound and return times are computed by the same method, so the difference between them is directly comparable and reflects prevailing winds rather than any change in derivation. Distance is the great-circle distance between the two specific airports named, so an actual flown track is typically 2-5% longer. Where shown, on-time departure and arrival rates and cancellation rates come from the U.S. Bureau of Transportation Statistics (BTS) Airline On-Time Performance dataset, which covers U.S. domestic routes only; where a typical fare is shown, it comes from the U.S. DOT Airline Origin and Destination Survey (DB1B), a quarterly 10% sample of tickets sold. 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. 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", "flight_schedule", "route_aircraft", "route_options"]}, "q20": {"question": "What are the best airport lounge options when departing from Seoul?", "answer": "At Gimpo International Airport, the Sky Hub Lounge in the international terminal is a widely known independent lounge accessible via Priority Pass, American Express Platinum, and day-pass purchase. It offers airside access near gates 35 and R1, with complimentary alcoholic drinks, flight information monitors, and disabled access. Operating daily from 6:30 AM to 8:00 PM, it allows a maximum stay of three hours. Airline-branded lounges at this airport are not publicly confirmed, so the Sky Hub Lounge is the primary premium waiting option for international departures.", "toolsUsed": [], "references": [{"url": "https://prioritypass.com/en-GB/lounges/south-korea/gimpo-international", "title": "Gimpo International Airport GMP Lounges - GMP Airport Guide and lounges.  | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://americanexpress.com/nl-nl/travel/lounges/the-platinum-card/GMP", "title": "American Express Lounges at Gimpo International Airport | Amex NL", "time_published": "2026-05-03T00:00:00Z"}, {"url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/GMP", "title": "American Express Lounges at Gimpo International Airport | Amex US", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"}, {"url": "https://prioritypass.com/en/lounges/south-korea/seoul-gimpo-international/gmp4-sky-hub-lounge", "title": "Sky Hub Lounge GMP AIRPORT International Terminal Seoul Gimpo International | Priority Pass", "time_published": "2024-11-05T00:00:00Z"}, {"url": "https://en.wikipedia.org/wiki/Gimpo_International_Airport", "title": "Gimpo International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-20T00:34:01Z"}]}, "q21": {"question": "What is the baggage allowance on this route from Seoul to Jeju Island?", "answer": "Baggage allowance depends on the airline and fare class. Basic economy fares may not include a checked bag, while standard fares often allow one 15–20 kg checked bag and a carry‑on. Always confirm with your specific airline."}, "q22": {"question": "What cabin and seat options are typical from Seoul to Jeju Island?", "answer": "On this domestic route, Economy class is standard; premium cabins like flat-bed Business or Premium Economy are not typical."}, "q23": {"question": "Are same‑day changes or standby possible on this route?", "answer": "Policies depend on the airline and fare class; flexible and premium tickets often allow same‑day changes or standby, while discount fares typically do not."}}}}