Cheapest return flights from Tokyo to Seoul in September from $221

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

Return flights

28 Sep - 12 Oct Asiana Airlines direct
28 Sep - 08 Oct Asiana Airlines direct
30 Sep - 08 Oct Asiana Airlines direct
30 Sep - 15 Oct Asiana Airlines direct
30 Sep - 10 Oct Asiana Airlines direct
28 Sep - 11 Oct Asiana Airlines direct
30 Sep - 14 Oct Asiana Airlines direct
30 Sep - 09 Oct Asiana Airlines direct
30 Sep - 16 Oct Skymark Airlines
25 Sep - 15 Oct Asiana Airlines direct
25 Sep - 29 Sep Skymark Airlines
25 Sep - 30 Sep Skymark Airlines
26 Sep - 29 Sep StarFlyer
28 Sep - 29 Sep Asiana Airlines
28 Sep - 30 Sep Asiana Airlines
23 Sep - 24 Sep Skymark Airlines
23 Sep - 25 Sep Skymark Airlines
29 Sep - 30 Sep Skymark Airlines
26 Sep - 30 Sep Skymark Airlines
24 Sep - 27 Sep Skymark Airlines

Also check the deals for one-way flights from Tokyo to Seoul in September.

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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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