Cheapest one-way flights from Tokyo to Seoul in September from $120

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

One-Way flights

09 Sep StarFlyer
17 Sep StarFlyer
24 Sep Peach direct
25 Sep Skymark Airlines
05 Sep Skymark Airlines
10 Sep Skymark Airlines
04 Sep Skymark Airlines
03 Sep Skymark Airlines
25 Sep Peach direct
16 Sep Skymark Airlines

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.

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