Tokyo (NRT) to Seoul (SEL): 781 miles (1,257 km) great-circle, about 2h 05m nonstop by our estimate. Cheapest fare observed: $167 round-trip on airline WE, nonstop, departing May 14, 2026.
$167 round-trip, airline WE WE502, departing 2026-05-14 at 13:30, returning 2026-05-18. The recorded itinerary left on a Thursday, returning on a Monday 4 nights later; the fare was observed 19 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $167, it ranked 4th of the 30 round-trip fares we recorded from NRT (median $570). That is 21.4 cents per great-circle mile (round-trip price over one-way distance), close to the NRT median of 22.0 cents across 30 round-trip routes.
Routes from NRT of similar length: Vladivostok (685 mi) at $661 and Khabarovsk (920 mi) at $751.
NRT to SEL is the only one of 30 NRT routes where airline WE priced cheapest. It is the 27th longest of the 30 routes we track from NRT.
Of 24 departure airports with a fare to Seoul, Tokyo (NRT) ranked 3rd at $167. 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.