{ "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": "Flight times and distances 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). The typical flight time is the median scheduled block time across all carriers on the route, computed the same way in both directions so the difference reflects prevailing winds rather than any change in method. Distance is the great-circle distance between the two airports, so the actual flown track is typically 2-5% longer.", "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": "Jeju International Airport (CJU) is located within Jeju City, so reaching the city center is quick and straightforward. The most commonly used and efficient option is the extensive public bus network, which connects the airport to downtown Jeju and all major destinations across the island, including Seogwipo (about an hour away). Taxis are readily available at the airport and offer a faster, door-to-door alternative, though they cost more. Car rentals are popular for exploring the island at your own pace, and ride-share services are limited, making buses and taxis the primary choices for most travelers.", "toolsUsed": [ "article_lookup" ], "references": [ { "url": "https://en.wikipedia.org/wiki/Jeju_International_Airport", "title": "Jeju International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-12T10:53:17Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju%20International%20Airport", "title": "Jeju International Airport", "time_published": "2026-04-05T13:46:50Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju_City", "title": "Jeju City", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-11T11:19:36Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju%20City", "title": "Jeju City", "time_published": "2026-04-26T07:13:03Z" } ] }, "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 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" ] }, "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": "You can reach Gimpo International Airport from downtown Seoul most conveniently by subway: the airport station is directly served by Lines 5 and 9, AREX, the Gimpo Goldline, and the Seohae Line, and it's the fastest and most popular option for most travelers. AREX all-stop trains also run from Seoul Station to Gimpo, providing another rail link. Taxis are available throughout Seoul, with regular and deluxe tiers, and are a comfortable but relatively more expensive alternative. Driving and parking at the airport are possible, though the airport's central location makes public transit the preferred choice for most.", "toolsUsed": [ "article_lookup" ], "references": [ { "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/Gimpo_International_Airport_station", "title": "Gimpo International Airport station", "time_published": "2026-07-10T11:15:09Z" }, { "url": "https://en.wikipedia.org/wiki/Seoul_Station", "title": "Seoul Station", "time_published": "2026-07-18T23:32:04Z" }, { "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 has no hotel directly connected to its terminals, as the airport closes nightly from 11:00 PM to 5:00 AM and does not permit overnight stays. The airport guide lists no on-site sleeping facilities or rest zones. Travelers needing a room must use nearby hotels outside the airport, such as Jeju Noblesse Tourist Hotel or Jeju Mondieu Tourist Hotel, both about 0.7 miles away.", "toolsUsed": [ "article_lookup" ], "references": [ { "url": "https://sleepinginairports.net/guides/jeju-airport-guide.htm", "title": "Jeju Airport Guide (CJU) - 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": "2018-10-02T00:00:50Z" }, { "url": "https://activities.marriott.com/asia/south-korea/jeju/activities/private_transfer_from_jeju_airport_to_in_seogwipo_jeju_island-XA77TK", "title": "Private Transfer From Jeju Airport to in Seogwipo Jeju Island", "time_published": "2026-03-03T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju_International_Airport", "title": "Jeju International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-12T10:53:17Z" }, { "url": "https://sleepinginairports.net/lounges/jeju-airport-lounges.htm", "title": "Jeju Airport Lounges (CJU) – Sleeping in Airports", "favicon": "https://www.sleepinginairports.net/wp-content/uploads/2018/09/cropped-sia-logo-180x180.png" } ] }, "q15": { "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Jeju Intl Airport?", "answer": "Jeju International Airport does provide currency exchange and banking services, with multiple branches located in the public areas of both the domestic and international terminals. Prayer rooms and chapels are available at the airport, offering quiet spaces for travelers. Free Wi-Fi is also offered throughout the terminals, allowing passengers to stay connected while waiting for flights.", "toolsUsed": [ "article_lookup" ], "references": [ { "url": "https://en.wikipedia.org/wiki/Jeju_International_Airport", "title": "Jeju International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-12T10:53:17Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju%20International%20Airport", "title": "Jeju International Airport", "time_published": "2026-04-05T13:46:50Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju_City", "title": "Jeju City", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-11T11:19:36Z" }, { "url": "https://en.wikipedia.org/wiki/Incheon_International_Airport", "title": "Incheon International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-10T13:51:22Z" } ] }, "q16": { "question": "Are there accessible services or children's facilities at the Seoul and Jeju Island airports?", "answer": "Both Gimpo International Airport (GMP) and Jeju International Airport (CJU) provide standard accessibility services such as wheelchair assistance, accessible restrooms, and priority boarding for passengers with reduced mobility, and these can typically be arranged in advance through your airline or the airport's customer service desk, often with a recommended notice of 48 hours. Children's play areas are available at both airports, usually located near the departure gates, offering a space for young travelers to play before boarding. For specific programs for travelers with disabilities, it's best to contact the respective airport's information desk or your airline directly, as detailed program offerings may vary.", "toolsUsed": [ "article_lookup" ], "references": [ { "url": "https://en.wikipedia.org/wiki/Gimpo%20International%20Airport", "title": "Gimpo International Airport", "time_published": "2026-04-10T20:56:07Z" }, { "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": "2026-09-12T10:55:49Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju_International_Airport", "title": "Jeju International Airport", "favicon": "https://en.wikipedia.org/static/apple-touch/wikipedia.png", "time_published": "2026-09-12T10:53:17Z" }, { "url": "https://en.wikipedia.org/wiki/Jeju%20International%20Airport", "title": "Jeju International Airport", "time_published": "2026-04-05T13:46:50Z" }, { "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": "2026-09-11T11:19:36Z" } ] }, "q17": { "question": "What aircraft are typically used on flights from Seoul to Jeju Island?", "answer": "Korean Air operates the most flights on the Seoul–Jeju route, using Airbus A321neo, Airbus A220-300, Boeing 737-900, and Airbus A330-300 aircraft. Asiana Airlines flies Airbus A321 and Airbus A330-300, while Jeju Air, Eastar Jet, and Jin Air operate Boeing 737-800s. Air Busan uses Airbus A320s, and T'way Air flies Boeing 737-800, Boeing 737-900, and other Boeing 737 variants.", "methodology": "Aircraft types 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). For U.S. routes the type is grounded in the tail number that actually operated the flight; elsewhere it comes from the airline's filed equipment code. Where the source does not commit to a specific variant we name the aircraft family (for example Airbus A320 family) rather than guess, and where no reliable type is on file the aircraft is omitted rather than estimated. Types describe typical scheduled equipment and can vary with seasonal or day-of-week assignments and last-minute swaps.", "toolsUsed": [ "flight_schedule" ] }, "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": "The Sky Hub Lounge in the International Terminal at Gimpo International Airport is the best lounge option when departing from Seoul, offering premium food, spirits and liquor, beer and wine, Wi-Fi, TVs, flight monitors, and internet terminals. It is a non-smoking lounge and is the only lounge available in the International Terminal.", "toolsUsed": [ "article_lookup" ], "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", "favicon": "https://prioritypass.com/icon.png?a4ff481221414a5c" }, { "url": "https://my.prioritypass.com/en-GB/lounges/south-korea/gimpo-international", "title": "Gimpo International Airport GMP Lounges - GMP Airport Guide and lounges. | Priority Pass", "favicon": "https://my.prioritypass.com/icon.png?a4ff481221414a5c" }, { "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://www.americanexpress.com/en-th/travel/lounges/the-platinum-card/GMP/Sky-Hub-Lounge-International-Terminal-lQimX2Fux4/", "title": "Sky Hub Lounge at Gimpo International Airport | Amex TH", "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png" } ] }, "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." } } } }