Cheapest return flights from Tokyo to Seoul in September from $118

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

Return flights

02 Sep - 09 Sep Eastar Jet direct
02 Sep - 10 Sep Eastar Jet direct
30 Sep - 31 Oct Air Busan direct
02 Sep - 03 Sep Eastar Jet direct
02 Sep - 17 Sep Eastar Jet direct
30 Sep - 22 Oct Zipair direct
03 Sep - 10 Sep T'way Air direct
02 Sep - 12 Sep Eastar Jet direct
02 Sep - 11 Sep Eastar Jet direct
02 Sep - 08 Sep Eastar Jet direct
27 Sep - 11 Oct T'way Air direct
02 Sep - 04 Sep Eastar Jet direct
02 Sep - 07 Sep Eastar Jet direct
30 Sep - 15 Oct Air Japan direct
16 Sep - 21 Oct Jeju Air direct
30 Sep - 21 Oct Air Japan direct
25 Sep - 15 Oct Jin Air direct
25 Sep - 14 Oct Zipair direct
29 Sep - 15 Oct Air Japan direct
30 Sep - 14 Oct Air Japan direct

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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