{
  "response": {
    "Key": "CTS-ICN",
    "orig": {
      "code": "CTS",
      "type": "airport",
      "city": "Sapporo",
      "fullCity": "Sapporo, Japan",
      "airport": "New Chitose Airport"
    },
    "dest": {
      "code": "ICN",
      "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": "The flight from Sapporo to Seoul covers about 883 miles and typically takes 3 hours and 10 minutes outbound, while the return leg is 2 hours and 45 minutes — the prevailing winds shorten the westbound journey by 25 minutes.",
        "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 Sapporo to Seoul?",
        "answer": "Yes, non‑stop flights from Sapporo (CTS) to Seoul Incheon (ICN) are available daily on six carriers: Jeju Air, Jin Air, Eastar Jet, Korean Air, T'way Air, and Asiana Airlines. Flights take roughly three hours, and each airline runs its own daily schedule with multiple departure times spread from late morning through early evening.",
        "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"
        ]
      },
      "q3": {
        "question": "What are the ground transportation options in Seoul?",
        "answer": "From Incheon Airport to central Seoul, the most-used options are the Airport Railroad express and all-stop trains, plus limousine buses that connect to major city hubs. Taxis are readily available from designated ranks at both terminals, with standard Seoul taxis starting from a base fare of 4,800 KRW and deluxe/jumbo taxis from 7,000 KRW; a night surcharge of roughly 20–40% applies between 22:00 and 04:00. Limousine buses cost 17,000 KRW for a direct route to Seoul (16,000 KRW via Gimpo) and are praised for convenience, though you must buy tickets on-site at the airport or book in advance via mobile app. Ride-share services are not mentioned in the available information, and car rentals are not a typical first choice for city-center access given the strong rail and bus network. The Airport Railroad is generally the fastest and most reliable option for reaching Seoul Station.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://airinfo.airport.kr/bbs/ap_en/937/138233/artclView.do?layout=unknown",
            "title": "News",
            "favicon": "https://airinfo.airport.kr/Web-home/og/images/apple-touch-icon.png"
          },
          {
            "url": "https://www.airport.kr/ap_en/1514/subview.do",
            "title": "International Incheon Airport"
          },
          {
            "url": "https://airport.kr/ap_en/6636/subview.do?enc=Zm5jdDF8QEB8JTJGYmJzJTJGYXBfZW4lMkY5MzclMkYxMzgyMzMlMkZhcnRjbFZpZXcuZG8lM0Y=",
            "title": "News",
            "favicon": "https://airport.kr/Web-home/og/images/apple-touch-icon.png"
          }
        ]
      },
      "q6": {
        "question": "Are overnight (red‑eye) flights available from Sapporo to Seoul?",
        "answer": "No overnight red‑eye flights operate from Sapporo (CTS) to Seoul (ICN) — there are no nonstop red‑eyes on this route, and no connecting itineraries were found whose long leg is a red‑eye.",
        "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 operate non‑stop flights from Sapporo to Seoul. Korean Air runs 28 weekly flights, Jin Air, Jeju Air, and Asiana Airlines each offer 14 weekly flights, while T'way Air and Eastar Jet provide 7 weekly flights apiece. Fares are not currently 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 Sapporo and Seoul?",
        "answer": "Direct flights are available, but if you need a connection, common layover cities include Tokyo (Narita or Haneda), Osaka (Kansai), and Busan. Tokyo offers the most frequent connections and efficient transfers, while Osaka and Busan can provide competitive total travel times with fewer crowds."
      },
      "q10": {
        "question": "Which months have the best weather for traveling to Seoul?",
        "answer": "April to June and September to October offer mild temperatures, colorful spring blossoms or autumn foliage, and fewer tourists than summer."
      },
      "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 three months beyond your departure from South Korea, and check if you need a K‑ETA or visa. Carry proof of onward or return travel, a payment method for baggage fees, and any required vaccination certificates."
      },
      "q12": {
        "question": "Which airport should I use in Seoul?",
        "answer": "Incheon is the primary international gateway serving most long‑haul and full‑service carriers. Gimpo is closer to central Seoul and mainly handles domestic flights and short‑haul international routes to China and Japan."
      },
      "q13": {
        "question": "How do I get to New Chitose Airport from the city center?",
        "answer": "From downtown Sapporo, the JR rapid train to New Chitose Airport is the fastest and most popular option, taking about 30 minutes directly to the terminal's basement station. Airport shuttle and intercity buses also connect Sapporo city center and other Hokkaido cities to the airport, with departures from the domestic and international terminal bus stops. Taxis and ride-share services are available as a door-to-door option, and driving is possible with parking lots at the airport, though the train is generally quicker and more reliable than road transport.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.hokkaido-airports.com/en/new-chitose/access/bus/",
            "title": "Bus-Transportation｜New Chitose Airport",
            "time_published": "2025-09-10T00:00:00Z"
          },
          {
            "url": "https://www.hokkaido-airports.com/en/new-chitose/access/jr/",
            "title": "JR Line-Transportation｜New Chitose Airport"
          },
          {
            "url": "https://www.hokkaido-airports.com/en/new-chitose/",
            "title": "New Chitose Airport",
            "favicon": "https://www.hokkaido-airports.com/ja/new-chitose/assets/common/favicon/180x180.png"
          },
          {
            "url": "https://www.hokkaido-airports.com/zh-CHT/new-chitose/access/bus/",
            "title": "巴士-交通資訊｜新千歲機場",
            "time_published": "2001-01-01T00:00:00Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Seoul airport?",
        "answer": "Incheon Airport has several on-site sleeping options, including the Incheon Airport Transit Hotel in both Terminal 1 (airside, 4th floor, near Gate 11) and Terminal 2 (airside, opposite Gate 251), plus Darakhyu capsule hotels in the public areas of both terminals. These hotels are directly connected to the airport, with the transit hotels located inside the secure zone and the capsule hotels in the transportation centers. Rooms are available in six-hour blocks or standard 24 hours.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "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://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/en/t2/about/Introduction.jsp",
            "title": "Incheon Airport Transit Hotel",
            "time_published": "2022-06-13T00:00:00Z"
          },
          {
            "url": "https://www.walkerhill.com/transithotel/",
            "title": "Incheon Airport Transit Hotel",
            "favicon": "https://www.walkerhill.com/assets/favicon/transithotel/apple-icon.png"
          },
          {
            "url": "https://www.walkerhill.com/transithotel/jp/t1/about/Introduction.jsp",
            "title": "Incheon Airport Transit Hotel",
            "time_published": "2022-06-13T00:00:00Z"
          },
          {
            "url": "https://www.walkerhill.com/transithotel/kr/t1/about/Introduction.jsp",
            "title": "Incheon Airport Transit Hotel",
            "time_published": "2024-12-15T00:00:00Z"
          }
        ]
      },
      "q15": {
        "question": "Are there currency exchange offices, prayer rooms and Wi‑Fi at Incheon Intl Airport?",
        "answer": "Incheon International Airport offers currency exchange offices in both Terminal 1 and Terminal 2, typically located in the arrival and departure areas. Prayer rooms are available at the airport, with dedicated spaces for passengers to observe religious practices. Free Wi‑Fi is provided throughout the terminals, allowing travelers to stay connected without charge.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://airport.kr/ap_en/1562/subview.do",
            "title": "International Incheon Airport"
          },
          {
            "url": "https://airport.kr/ap_en/6636/subview.do?enc=Zm5jdDF8QEB8JTJGYmJzJTJGYXBfZW4lMkY5MzclMkYxMzgxNjUlMkZhcnRjbFZpZXcuZG8lM0Y=",
            "title": "News",
            "favicon": "https://airport.kr/Web-home/og/images/apple-touch-icon.png"
          }
        ]
      },
      "q16": {
        "question": "Are there accessible services or children's facilities at the Sapporo and Seoul airports?",
        "answer": "At New Chitose Airport, free wheelchair rentals are available at information desks in both terminals, along with accessible toilets, a calm-down room for travelers with autism or developmental disorders, and a dedicated assistance-dog toilet; request assistance through airport staff at the information desk or in advance with your airline. Incheon Airport offers priority lanes for the mobility impaired, wheelchair and electric-vehicle transport services (7:00–22:00), help phones, and designated drop-off zones, with services arranged by calling 1577-2600 or asking at an information desk before arrival. Both airports recommend contacting your airline ahead of time for specific mobility or children’s assistance needs.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.hokkaido-airports.com/en/new-chitose/service/barrier-free/",
            "title": "Special Assistance-Services｜New Chitose Airport"
          },
          {
            "url": "https://www.hokkaido-airports.com/en/new-chitose/service/barrier-free/slope/",
            "title": "Accessible Platform-Services｜New Chitose Airport",
            "time_published": "2025-09-10T00:00:00Z"
          },
          {
            "url": "https://www.hokkaido-airports.com/en/new-chitose/access/taxi/",
            "title": "Taxi-Transportation｜New Chitose Airport",
            "time_published": "2025-09-10T00:00:00Z"
          },
          {
            "url": "https://www.hokkaido-airports.com/en/new-chitose/",
            "title": "New Chitose Airport",
            "favicon": "https://www.hokkaido-airports.com/ja/new-chitose/assets/common/favicon/180x180.png"
          },
          {
            "url": "https://airport.kr/ap_en/1435/subview.do",
            "title": "International Incheon Airport",
            "favicon": "https://airport.kr/Web-home/og/images/apple-touch-icon.png"
          },
          {
            "url": "https://airport.kr/ap_en/1562/subview.do",
            "title": "International Incheon Airport"
          },
          {
            "url": "https://airport.kr/ap_en/1478/subview.do",
            "title": "International Incheon Airport",
            "favicon": "https://airport.kr/Web-home/og/images/apple-touch-icon.png"
          }
        ]
      },
      "q17": {
        "question": "What aircraft are typically used on flights from Sapporo to Seoul?",
        "answer": "Korean Air (KE) operates the most flights on the route with its Boeing 737 family, while Jeju Air (7C), Jin Air (LJ), and Eastar Jet (ZE) all use the Boeing 737-800. T'way Air (TW) also flies the Boeing 737 family, and Asiana Airlines (OZ) uses the Airbus A321neo.",
        "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 Sapporo to Seoul?",
        "answer": "Korean Air (SkyTeam) and Asiana Airlines (Star Alliance) fly nonstop from Sapporo to Seoul. Jin Air, Jeju Air, T'way Air, and Eastar Jet also serve the route but do not belong to any global alliance.",
        "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 Sapporo?",
        "answer": "When departing from Sapporo's New Chitose Airport, the best lounge options include the Royal Lounge on the 4th floor airside in the international terminal, which offers food, alcoholic and non-alcoholic drinks, workstations, Wi-Fi, printers, newspapers, and wheelchair access. The Super Lounge and Super Lounge Annex in the domestic terminal building provide seating, Wi-Fi, smoking rooms, and paid alcohol, snacks, and bento, with admission at 1,500 yen including soft drinks, and free entry for eligible gold card members from listed issuers. The Super Lounge Annex also has a private booth and e-book service.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.prioritypass.com/ja-JP/lounges/japan/sapporo-new-chitose",
            "title": "New Chitose Airport(CTS)のラウンジ - CTS空港ガイドとラウンジ | プライオリティ・パス",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "http://www.hokkaido-airports.com/en/new-chitose/service/waitingroom-lounge/dmstc-lounge/",
            "title": "Lounge(Domestic)-Services｜New Chitose Airport",
            "time_published": "2025-09-10T00:00:00Z"
          },
          {
            "url": "https://my.prioritypass.com/en-GB/lounges/japan/sapporo-new-chitose",
            "title": "New Chitose Airport CTS Lounges - CTS Airport Guide and lounges.  | Priority Pass",
            "time_published": "2024-11-05T00:00:00Z"
          },
          {
            "url": "https://cathaypacific.com/cx/en_HK/destinations/lounges/sapporo-cts/royal-lounge-airside.html",
            "title": "Royal Lounge | Cathay HK",
            "favicon": "https://www.cathaypacific.com/content/dam/header-footer-lrp/cx-web-clip-icon.png"
          }
        ]
      },
      "q21": {
        "question": "What is the baggage allowance on this route from Sapporo to Seoul?",
        "answer": "Baggage rules depend on the airline and fare class. Basic economy tickets on this route often do not include a free checked bag, while standard economy usually includes one checked bag and a carry‑on. Premium cabins offer more generous 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; Premium Economy is not common on this route."
      },
      "q23": {
        "question": "Are same‑day changes or standby possible on this route?",
        "answer": "Policies differ by airline and fare; flexible tickets and premium cabins often permit same‑day changes or standby, while lower fares generally do not."
      }
    }
  }
}