Cheapest return flights from Tokyo to Seoul in August from $135

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

Return flights

19 Aug - 22 Aug Air Busan direct
28 Aug - 31 Aug Air Busan direct
27 Aug - 28 Aug Air Busan direct
26 Aug - 27 Aug Air Busan direct
18 Aug - 20 Aug Air Busan direct
20 Aug - 27 Aug Air Busan direct
20 Aug - 26 Aug Air Busan direct
27 Aug - 29 Aug Air Busan direct
19 Aug - 21 Aug Air Busan direct
27 Aug - 31 Aug Air Busan direct
27 Aug - 09 Sep Eastar Jet direct
27 Aug - 10 Sep Eastar Jet direct
24 Aug - 09 Sep Jin Air direct
24 Aug - 10 Sep Jin Air direct
22 Aug - 09 Sep Jin Air direct
22 Aug - 10 Sep Jin Air direct
25 Aug - 10 Sep Jeju Air direct
27 Aug - 02 Sep Air Busan direct
25 Aug - 09 Sep Eastar Jet direct
26 Aug - 09 Sep Eastar Jet direct

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

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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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