Okinawa (OKA) to Seoul (SEL): 782 miles (1,259 km) great-circle, about 2h 05m nonstop by our estimate. Cheapest fare observed: $279 round-trip on Korean Air, nonstop, departing May 12, 2026.
$279 round-trip, Korean Air KE5746, departing 2026-05-12 at 13:15, returning 2026-05-12. The recorded itinerary left on a Tuesday and came back the same day; the fare was observed 17 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $279, it ranked 8th of the 28 round-trip fares we recorded from OKA (median $461). That is 35.7 cents per great-circle mile (round-trip price over one-way distance), close to the OKA median of 33.3 cents across 27 round-trip routes.
Routes from OKA of similar length: Osaka (727 mi) at $88 and Clark (887 mi) at $500.
OKA to SEL is the only one of 28 OKA routes where Korean Air priced cheapest. It is the 20th longest of the 28 routes we track from OKA.
Of 24 departure airports with a fare to Seoul, Okinawa (OKA) ranked 11th at $279. Lowest: $142 from Osaka (KIX); highest: $1288 from Portland (PDX); 10 nonstop. Cheapest-fare airlines (routes): Jetstar (2), Peach Aviation (2), airline 9G (1), airline WE (1), Alaska Airlines (1) and Asiana (1), plus 16 more.
That depends on your passport and trip, so check the official source for South Korea: Republic of Korea: K-ETA. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Tokyo, Asia/Seoul; flight time is our estimate.