Cheapest one-way flights from Tokyo to Seoul in September from $115

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

One-Way flights

30 Sep Peach direct
24 Sep Skymark Airlines
28 Sep Asiana Airlines direct
25 Sep Skymark Airlines
25 Sep Asiana Airlines direct
26 Sep Skymark Airlines
22 Sep Skymark Airlines
23 Sep Asiana Airlines direct
27 Sep Skymark Airlines
17 Sep Korean Air 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.

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