Cheapest one-way flights from Tokyo to Seoul in September from $128

Best time to book flights for Tokyo (HND) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest one-way flights from Tokyo (HND) to Seoul (ICN) in September 2025 (see full year).

One-Way flights

03 Sep Peach direct
30 Sep Skymark Airlines
25 Sep Skymark Airlines
29 Sep Peach direct
28 Sep Peach direct
04 Sep Skymark Airlines
11 Sep Skymark Airlines
02 Sep Skymark Airlines
04 Sep Peach direct
06 Sep Peach direct

Also check the deals for return flights from Tokyo to Seoul in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Seoul

Cheap car rent in Seoul