{ "response": { "Key": "CJU-SEL", "orig": { "code": "CJU", "type": "airport", "city": "Jeju Island", "fullCity": "Jeju Island, Korea", "airport": "Jeju Intl Airport" }, "dest": { "code": "SEL", "type": "airport", "city": "Seoul", "fullCity": "Seoul, Korea", "airport": "Incheon Intl Airport" }, "faq": { "q3": { "question": "What are the ground transportation options in Seoul?", "answer": "From Gimpo International Airport, the most efficient way to reach central Seoul is the Airport Railroad Express (AREX) or Seoul Subway Lines 5 and 9, which connect directly to the station at the airport. Taxis are readily available and offer a comfortable door-to-door ride, while ride-share services are limited in South Korea. Car rentals are an option but less practical given Seoul's excellent public transit and traffic. The subway is the most used and fastest method, reaching downtown in about 30 minutes.", "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" } ], "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed." }, "q6": { "question": "Are overnight (red‑eye) flights available from Jeju Island to Seoul?", "answer": "Yes, overnight red-eye flights operate nonstop from Jeju (CJU) to Seoul Gimpo (GMP). Seven carriers — Jeju Air, Jin Air, Korean Air, Eastar Jet, T'way Air, and Air Busan — run red-eyes daily (Air Busan five days a week), typically departing between 9:00 PM and 9:20 PM. These flights arrive around 10:15–10:35 PM the same evening, not the next 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 Jeju Island to Seoul?", "answer": "Asiana Airlines, Korean Air, Jeju Air, Eastar Jet, Jin Air, Air Busan, and T'way Air all operate non‑stop flights from Jeju Island to Seoul Gimpo, with Asiana, Korean Air, and Jeju Air each offering up to 256 weekly flights. Eastar Jet flies about 148 times a week, Jin Air around 48, Air Busan roughly 47, and T'way Air once daily. Fares are not provided in the schedule data, so no per‑carrier fares can be stated.", "methodology": "Airlines and weekly frequencies come 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 typical fare is shown for a carrier, it is the median of the real fares Priceline users found on this route in the last 72 hours.", "toolsUsed": [ "route_airlines" ] }, "q10": { "question": "Which months have the best weather for traveling to Seoul?", "answer": "April to June and September to October offer pleasant temperatures and fewer tourists than summer." }, "q11": { "question": "What documents should I bring with me to the airport when flying from Jeju Island to Seoul?", "answer": "For domestic flights from Jeju to Seoul, bring a valid Korean national ID or passport, no visa is needed, and carry a payment method for baggage and any required health documents." }, "q12": { "question": "Which airport should I use in Seoul?", "answer": "Incheon is Seoul's main international gateway, far west of the centre, serving almost all international flights and major domestic routes. Gimpo is much closer to downtown and handles most domestic flights, including many from Jeju, plus some regional international services." }, "q13": { "question": "How do I get to Jeju Intl Airport from the city center?", "answer": "From downtown Jeju City, the most popular and convenient way to reach Jeju International Airport is by taxi, which takes about 10–15 minutes and is relatively inexpensive. Public buses also serve the airport frequently, offering a budget-friendly alternative with slightly longer travel times. Ride-share services are limited, and driving yourself is an option with short-term parking available at the terminal, though taxis remain the fastest and most commonly used choice for the short trip.", "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" } ], "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed." }, "q14": { "question": "Are there hotels or sleeping facilities at Seoul airport?", "answer": "Seoul Gimpo Airport (GMP) closes nightly from 11:00 PM to 5:00 AM, so overnight stays inside the terminal are not possible. There are no on-site hotels, capsule hotels, or sleeping pods. The nearby Lotte City Hotel is a 5‑minute walk from the terminal, and other hotels with shuttle service are available.", "toolsUsed": [], "references": [ { "url": "https://www.sleepinginairports.net/guides/seoul-gimpo-airport-guide.htm", "title": "Seoul Gimpo Airport Guide", "time_published": "2025-07-25T00:00:00Z" }, { "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" }, { "url": "https://sleepinginairports.net/reviews/seoul-gimpo-airport-reviews.htm", "title": "Seoul Gimpo Airport Reviews (GMP) – Sleeping in Airports", "time_published": "2020-01-12T00:00:00Z" }, { "url": "https://en.wikipedia.org/w/index.php?mobileaction=toggle_view_desktop&title=Gimpo_International_Airport", "title": "Gimpo International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-07-07T18:03:03Z" }, { "url": "https://activities.marriott.com/asia/south-korea/seoul/activities/private_airport_transfer_seoul_city_gimpo_airport_pax-XPPIRJ?property=SELTX", "title": "Private Airport Transfer: Seoul City - Gimpo Airport (1-5 pax)", "time_published": "2026-03-08T00:00:00Z" }, { "url": "https://www.sleepinginairports.net/lounges/seoul-gimpo-airport-lounges.htm", "title": "Seoul Gimpo Airport Lounges (GMP)", "time_published": "2024-01-01T00:00:00Z" } ], "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed." }, "q17": { "question": "What aircraft are typically used on flights from Jeju Island to Seoul?", "answer": "The most common aircraft on nonstop flights from Jeju Island to Seoul is the Boeing 737-800, flown by Eastar Jet, T'way Air, and Jin Air. Other types that appear regularly include unspecified narrowbody jets operated by Air Busan and Jeju Air, the Boeing 737 MAX 8 on T'way Air, and, less often, the Airbus A321-100 (Air Seoul) and the Boeing 737-900 (Jin Air). The exact aircraft varies by day and airline, but narrowbody Boeing 737s dominate the route.", "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 Jeju Island to Seoul?", "answer": "Asiana Airlines (Star Alliance) and Korean Air (SkyTeam) serve the Jeju–Seoul route nonstop, alongside five unaligned low-cost carriers: Jeju Air, Eastar Jet, Jin Air, Air Busan, and T'way Air. No oneworld carrier operates this route nonstop, though a oneworld member could serve it via a connection.", "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" ] }, "q20": { "question": "What are the best airport lounge options when departing from Jeju Island?", "answer": "At Jeju International Airport, the Korean Air KAL Lounge is located in the main terminal near the domestic check-in counters on the 3rd floor, accessible via Priority Pass, business class, or elite status, and offers Wi‑Fi, TVs, and flight monitors. There is also an Asiana Lounge, which is only available to passengers flying on Asiana Airlines‑operated flights. Both lounges are landside and can be subject to capacity restrictions.", "toolsUsed": [], "references": [ { "url": "https://americanexpress.com/en-us/travel/lounges/the-platinum-card/CJU/Korean-Air-KAL-Lounge-Main-Terminal-pXyumDnS0R/", "title": "Korean Air KAL Lounge at Jeju International Airport | Amex US", "time_published": "2026-04-27T00:00:00Z" }, { "url": "https://americanexpress.com/en-xb/travel/lounges/the-platinum-card/CJU/Korean-Air-KAL-Lounge---pXyumDnS0R", "title": "Korean Air KAL Lounge at Jeju International Airport | Amex XB", "time_published": "2026-05-03T00:00:00Z" }, { "url": "https://my.prioritypass.com/en-GB/lounges/south-korea/jeju-international", "title": "Jeju International Airport CJU Lounges - CJU Airport Guide and lounges. | Priority Pass", "time_published": "2024-11-05T00:00:00Z" }, { "url": "https://prioritypass.com/lounges/south-korea/jeju-international/cju1-asiana-lounge", "title": "Asiana Lounge", "time_published": "2025-01-01T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju_International_Airport", "title": "Jeju International Airport", "time_published": "2026-07-06T11:45:17Z" } ], "methodology": "Airport details are drawn from the sources listed with this answer, primarily the airport operator's official website along with airline, lounge-operator and transit-authority pages, collected by our research process and refreshed periodically. Only information found in those sources is used; where a source does not cover a topic it is left out rather than guessed." }, "q21": { "question": "What is the baggage allowance on this route from Jeju Island to Seoul?", "answer": "Baggage allowance on Jeju–Seoul flights depends on the airline and fare type. Basic economy fares are restrictive and may not include checked baggage, while standard economy typically includes one checked bag and a carry‑on. Premium fares offer additional allowance." }, "q22": { "question": "What cabin and seat options are typical from Jeju Island to Seoul?", "answer": "Flights from Jeju to Seoul typically offer Economy and, on some carriers, Business class with standard recliner seats; flat‑bed Business and Premium Economy are not common on this short domestic route." }, "q23": { "question": "Are same‑day changes or standby possible on this route?", "answer": "Policies vary; flexible and premium fares typically allow same‑day changes or standby, while discount tickets rarely do." } } } }