{ "response": { "Key": "CTS-SEL", "orig": { "code": "CTS", "type": "airport", "city": "Sapporo", "fullCity": "Sapporo, Japan", "airport": "New Chitose 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 Sapporo to Seoul?", "answer": "A nonstop flight from Sapporo (CTS) to Seoul (ICN) typically takes about 3 hours to 3 hours and 15 minutes. With one stop, usually via Tokyo, total travel time often ranges from 5 to 7 hours depending on the layover duration. The return flight from Seoul to Sapporo is slightly shorter, averaging around 2 hours and 50 minutes to 3 hours." }, "q1": { "question": "Are there any direct flights from Sapporo to Seoul?", "answer": "Yes, there are direct flights from Sapporo (CTS) to Seoul (ICN). Six airlines operate nonstop service: Korean Air (28 weekly flights), Jin Air, Jeju Air, and Asiana Airlines (14 each), plus T'way Air and Eastar Jet (7 each). All carriers fly daily, with departures spread from late morning through early evening.", "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" ] }, "q2": { "question": "Are there visa requirements to travel from Sapporo to Seoul?", "answer": "Visa requirements depend on your nationality. If you are a Japanese citizen, you can enter South Korea visa-free for short stays (up to 90 days) under a reciprocal agreement. If you are a South Korean citizen, you can enter Japan visa-free for short stays (up to 90 days). Travelers of other nationalities should check the specific visa policies of both countries, as requirements vary." }, "q3": { "question": "What are the ground transportation options in Seoul?", "answer": "From Incheon Airport (ICN) to central Seoul, the AREX express train is the fastest option, reaching Seoul Station in about 43 minutes. The all-stop commuter train is cheaper and also popular, while airport limousine buses provide comfortable door-to-door service to major districts and hotels. Taxis and ride-share are readily available but subject to traffic, and rental cars are generally unnecessary given Seoul's excellent public transit. Most travelers use the AREX train or limousine buses.", "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" } ] }, "q6": { "question": "Are overnight (red‑eye) flights available from Sapporo to Seoul?", "answer": "No overnight red-eye flights are scheduled from Sapporo (CTS) to Seoul (SEL). Neither nonstop red-eyes nor connecting itineraries with a red-eye long leg were found on this route.", "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 Sapporo to Seoul?", "answer": "Korean Air, Jin Air, Jeju Air, Asiana Airlines, T'way Air, and Eastar Jet all fly nonstop from Sapporo to Seoul, together offering up to 84 weekly flights. Korean Air runs the most service at 28 flights per week, while Jin Air, Jeju Air, and Asiana each operate 14 weekly flights, and T'way Air and Eastar Jet fly 7 per week. Typical per-carrier fares are not listed for 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.", "toolsUsed": [ "route_airlines" ] }, "q8": { "question": "If I need a connection, what are common layover cities between Sapporo and Seoul?", "answer": "Common layover cities between Sapporo and Seoul include Tokyo (Narita or Haneda), Osaka (Kansai), and Busan. Tokyo offers the most frequent connections and efficient transfers, with many flights daily. Osaka provides a shorter detour than Tokyo, keeping total travel time competitive. Busan is closer to Seoul and can serve as a quick domestic transfer point. All these hubs allow visa-free transit for many nationalities, making connections smooth." }, "q9": { "question": "How reliable are on‑time departures on this route from Sapporo to Seoul?", "answer": "On‑time departures are generally reliable, though winter weather in Sapporo can cause occasional delays. Early flights on carriers like Korean Air and Asiana typically offer better punctuality." }, "q10": { "question": "Which months have the best weather for traveling to Seoul?", "answer": "April to June and September to October offer mild temperatures and lower crowd levels." }, "q11": { "question": "What documents should I bring with me to the airport when flying from Sapporo to Seoul?", "answer": "Bring a passport valid for at least six months, any required visa or K-ETA, proof of onward or return travel, a payment method for baggage and any necessary vaccination or insurance documents." }, "q12": { "question": "Which airport should I use in Seoul?", "answer": "Incheon is the primary international airport, serving most full‑service carriers and offering extensive connections. Gimpo handles mainly domestic and short‑haul regional flights and is closer to downtown Seoul, making it convenient for quick access to the city centre." }, "q14": { "question": "Are there hotels or sleeping facilities at Seoul airport?", "answer": "Seoul Incheon Airport (ICN) has an on-site transit hotel inside Terminal 1 on the 4th floor, airside, offering rooms in 6-hour blocks for international transfer passengers. Terminal 2 provides comfortable, armrest-free benches and dedicated nap/rest zones with reclining loungers on the 4th floor near Gates 262–268. For a full-service hotel, the ibis Styles Ambassador Incheon Airport is located nearby and connected by a free shuttle.", "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" } ] }, "q15": { "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Incheon Intl Airport?", "answer": "At Incheon International Airport, currency exchange offices are available in both public and duty-free areas of the terminals. Prayer rooms are provided for passengers, and free Wi‑Fi is accessible throughout the airport. These services are located in the departure and arrival halls of Terminal 1 and Terminal 2.", "toolsUsed": [], "references": [ { "url": "https://airport.kr/ap_en/1562/subview.do", "title": "International Incheon Airport" }, { "url": "https://airport.kr/ap_en/1542/subview.do", "title": "International Incheon Airport", "time_published": "1999-01-01T00:00:00Z" }, { "url": "https://en.wikipedia.org/wiki/Incheon%20International%20Airport", "title": "Incheon International Airport", "time_published": "2026-04-30T15:03:57Z" }, { "url": "https://en.wikipedia.org/wiki/File:Incheon_International_Airport_Interior.jpg", "time_published": "2013-06-13T00:00:00Z" }, { "url": "https://airport.kr/ap_en/1413/subview.do", "title": "International Incheon Airport" } ] }, "q17": { "question": "What aircraft are typically used on flights from Sapporo to Seoul?", "answer": "There is no nonstop service between Sapporo (CTS) and Seoul (SEL). On typical one-stop itineraries the long leg is most often a Boeing 787-8, 787-9, or 767-300 operated by ANA or JAL via Tokyo Haneda (HND), with the short connecting hop flown by a mix of 787s, 777s, 767s, 737s, or A350s. Other connecting options appear less frequently, including a 787-9 via Narita (NRT) and an occasional A380-800 on Korean Air via Narita. The exact aircraft can vary by day and airline, though Wi‑Fi and seatback entertainment are widely available on these widebody flights.", "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 Sapporo to Seoul?", "answer": "SkyTeam (Korean Air) and Star Alliance (Asiana Airlines) serve Sapporo to Seoul nonstop. Jin Air, Jeju Air, T'way Air, and Eastar Jet also fly the route but belong to no global alliance; Oneworld has no nonstop presence here, though it may offer connecting itineraries.", "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" ] }, "q21": { "question": "What is the baggage allowance on this route from Sapporo to Seoul?", "answer": "Baggage rules on Sapporo–Seoul flights depend on the airline and fare type. Basic economy tickets often exclude checked bags, while standard international economy usually includes one checked bag and a carry‑on. Premium cabins offer higher allowances." }, "q22": { "question": "What cabin and seat options are typical from Sapporo to Seoul?", "answer": "Flights from Sapporo to Seoul typically offer Economy and flat-bed Business class, with Premium Economy available on select airlines." }, "q23": { "question": "Are same‑day changes or standby possible on this route?", "answer": "Policies differ by airline and fare; flexible and premium tickets generally allow same‑day changes or standby, while Basic Economy typically does not." } } } }