Seoul to Natori (ICN–SDJ) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
ICN–SDJ is served by 1 airline with nonstop service. Asiana Airlines leads the route. The flight covers 790 miles in approximately 2h 10m. Beyond nonstop, 11 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| OZ Asiana Airlines | 7 | 32Q | 2h10 | – | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
Travel Essentials
ICN: KST · SDJ: JST
When it's 6:00 PM in Seoul, it's 6:00 PM in Natori.
South Korean passport holders enter Japan visa-free for up to 90 days. No fee, no advance application. Passport must be valid for the duration of stay. Complete the Visit Japan Web registration (vjw.digital.go.jp) before travel to pre-register your customs and immigration declaration, which generates a QR code that speeds up arrival processing. This replaced the paper arrival card at most airports.
At immigration, biometric data (fingerprints and photo) is collected for all foreign nationals. The 90-day entry covers tourism, business meetings, and visiting friends or family. Working is not permitted. For stays beyond 90 days, a visa must be obtained at the Japanese Embassy in Seoul before travel. Extensions within Japan are possible at a Regional Immigration Bureau but require a valid reason and are not guaranteed.
Direct flights from Seoul Incheon and Gimpo to Tokyo Narita, Haneda, Osaka Kansai, Fukuoka, Nagoya, Sapporo, and Okinawa run 1 hour 30 minutes to 3 hours. Korean Air, Asiana, ANA, JAL, Peach, Jin Air, T'way, Jeju Air, and Air Busan operate dozens of daily frequencies across all routes, making Japan the single most connected destination from Korea. Japan uses the Japanese yen (JPY), trading at roughly 9 to 10 KRW per JPY 1. IC cards (Suica, Pasmo, ICOCA) work on all trains and at convenience stores. Buy one from any ticket machine for JPY 500 deposit. Japan Rail Pass (7 days, JPY 50,000) covers all JR trains including shinkansen.
AREX (Airport Railroad Express) runs two services from Seoul Station: the Direct Train (43 min, ₩11,000, reserved seats) and the All-Stop train (66 min, ₩4,550, unreserved). Both trains serve T1 first, then T2; confirm which terminal your airline uses before boarding.Limousine buses depart from major Seoul neighborhoods and hotels (₩16,000–18,000, 60–90 min depending on traffic). KAL and LIMOUSINE services are reliable. Taxis from central Seoul cost ₩65,000–80,000 and take 60–90 minutes. Deluxe (black) taxis are pricier but English-speaking drivers are more common.
ICN–SDJ Quick Facts
Frequently Asked Questions
Flights from ICN to SDJ
Incheon International Airport (ICN) and Sendai Airport (SDJ) are connected by nonstop service from Asiana Airlines. With 7 weekly departures, this is a regularly served route.
ICN to SDJ Flight Duration and Schedule
Nonstop flight time from ICN to SDJ ranges from 2 hours 10 minutes. The route covers a distance of 790 miles (1,272 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.
Connecting Options and Alternatives
11 one-stop connections are available, with the fastest taking approximately 10 hours via HIJ. Two-stop connections are also available via intermediate hubs.