Cheapest return flights from Sapporo to Seoul in September from $121

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

Return flights

29 Sep - 12 Oct Jin Air direct
29 Sep - 20 Oct Jin Air direct
29 Sep - 15 Oct Jin Air direct
29 Sep - 14 Oct Jin Air direct
29 Sep - 11 Oct Jin Air direct
29 Sep - 10 Oct Jin Air direct
30 Sep - 12 Oct Eastar Jet direct
30 Sep - 20 Oct Eastar Jet direct
30 Sep - 15 Oct Eastar Jet direct
30 Sep - 21 Oct Eastar Jet direct
06 Sep - 09 Sep Jin Air direct
08 Sep - 09 Sep Jin Air direct
17 Sep - 28 Sep Eastar Jet direct
17 Sep - 23 Sep Eastar Jet direct
17 Sep - 27 Sep Eastar Jet direct
09 Sep - 10 Sep Jin Air direct
16 Sep - 17 Sep Eastar Jet direct
17 Sep - 29 Sep Eastar Jet direct
12 Sep - 16 Sep Eastar Jet direct
10 Sep - 16 Sep Eastar Jet direct

Also check the deals for one-way flights from Sapporo 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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