Tokyo (HND) to Seoul (SEL): 752 miles (1,210 km) great-circle, about 2h 00m nonstop by our estimate. Cheapest fare observed: $282 round-trip on Peach Aviation, nonstop, departing May 14, 2026.
$282 round-trip, Peach Aviation MM809, departing 2026-05-14 at 02:10, 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 $282, it ranked 4th of the 30 round-trip fares we recorded from HND (median $554). That is 37.5 cents per great-circle mile (round-trip price over one-way distance), above the HND median of 24.0 cents across 30 round-trip routes.
Routes from HND of similar length: Vladivostok (678 mi) at $491 and Khabarovsk (927 mi) at $892.
HND to SEL is the only one of 30 HND routes where Peach Aviation priced cheapest. It is the 27th longest of the 30 routes we track from HND.
Of 24 departure airports with a fare to Seoul, Tokyo (HND) ranked 12th at $282. 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.