{
  "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 into Seoul, the AREX express train is the fastest option, reaching Seoul Station in about 43 minutes, while commuter trains and limousine buses offer wider coverage with slightly longer travel times. Taxis are readily available but more expensive, and ride‑share apps operate locally. Car rentals are possible but not recommended for city‑center trips due to traffic and parking challenges. Most travelers use the Airport Railroad (AREX) for its speed and reliability.",
        "toolsUsed": [
          "article_lookup"
        ],
        "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 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 Airport train is the fastest and most popular option, reaching New Chitose Airport in about 37–40 minutes with frequent service. Airport shuttle buses also run regularly from major hotels and Sapporo Station, taking roughly 70–80 minutes and costing slightly less than the train. Taxis and ride‑share are available but are significantly more expensive and not faster than the train in normal traffic. Driving yourself is possible, with both short‑term and long‑term parking at the airport, though winter weather can make this less reliable.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "url": "https://www.hokkaido-airports.com/en/portom-hall/info-topic/newcts-to-chitose.html",
            "title": "新千歳空港から千歳駅・福住駅へのバスでの行き方。大雪時の移動手段 | 新千歳空港ポルトムホール",
            "favicon": "https://www.hokkaido-airports.com/img/common/apple-touch-icon.png",
            "time_published": "2026-05-25T00:00:00Z"
          },
          {
            "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://en.wikipedia.org/wiki/Chitose%20Line",
            "title": "Chitose Line",
            "time_published": "2026-01-21T15:08:17Z"
          },
          {
            "url": "https://en.wikipedia.org/wiki/Chitose%2C%20Hokkaido",
            "title": "Chitose, Hokkaido",
            "time_published": "2026-04-02T02:40:28Z"
          },
          {
            "url": "http://www.hokkaido-airports.com/en/new-chitose/service/information/info-center/",
            "title": "Information Center-Services｜New Chitose Airport",
            "time_published": "2025-09-10T00:00:00Z"
          }
        ]
      },
      "q14": {
        "question": "Are there hotels or sleeping facilities at Seoul airport?",
        "answer": "Seoul Incheon Airport has an on-site transit hotel located airside on the 4th floor of Terminal 1 in the East area, offering rooms in 6-hour blocks. Terminal 2 features designated rest zones with reclined loungers and wide, armrest-free benches, including a Nap/Rest Zone near gates 262–268. No shuttle is required for these facilities, and a nearby ibis Styles Ambassador Incheon Airport is connected by shuttle for traditional hotel stays.",
        "toolsUsed": [
          "article_lookup"
        ],
        "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": "Incheon International Airport (ICN) provides currency exchange services, prayer rooms, and free Wi‑Fi. Currency exchange counters are available in the departure hall on the third floor before security, and ATMs for cash withdrawal are also present. Prayer rooms are located in the duty‑free zones of Terminal 1 (near Gates 25 and 29), the Concourse (near Gate 121), and Terminal 2 (near Gate 252). Free Wi‑Fi is available throughout both terminals and the Concourse.",
        "toolsUsed": [
          "article_lookup"
        ],
        "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": "Nonstop flights between Sapporo (CTS) and Seoul (ICN) typically use the Airbus A330-300 (T'way Air) or Boeing 777-200 (Jin Air), though the exact aircraft can vary by day and airline. On connecting itineraries via Tokyo Haneda or Narita, the long-haul leg to Seoul is often operated with Boeing 787-8, 787-9, Airbus A350-900, or Airbus A330-300, while the domestic leg within Japan may be flown on Boeing 737s, 787s, or Airbus A320-family aircraft. Wi-Fi and seatback entertainment are widely available on many of these aircraft, though the specific amenities depend on the carrier and configuration.",
        "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": "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": "The only lounge in the international terminal at New Chitose Airport (CTS) is the Cafe Sky Library, accessible via American Express Platinum cards or Priority Pass, and it operates from 11:00 to 20:00. It offers a quiet space with books and a café-like atmosphere, but hours may not cover all evening departures to Seoul. There are no airline-branded lounges like a Korean Air or Asiana lounge at this airport, so eligibility is limited to cardholders. Domestic lounges like the Super Lounge and Super Lounge Annex are available for domestic travelers with gold cards or a paid entry, but they are not in the international terminal.",
        "toolsUsed": [
          "article_lookup"
        ],
        "references": [
          {
            "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://my.prioritypass.com/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://americanexpress.com/en-hk/travel/lounges/the-platinum-card/CTS",
            "title": "American Express Lounges at New Chitose Airport | Amex HK",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.png"
          },
          {
            "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://americanexpress.com/en-au/travel/lounges/the-platinum-card/CTS",
            "title": "American Express Lounges at New Chitose Airport | Amex AU",
            "favicon": "https://www.americanexpress.com/apple-touch-icon-152x152.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."
      }
    }
  }
}