Cheapest return flights from Sapporo to Seoul in September from $323

Best time to book flights for Sapporo (CTS) to Seoul (ICN) flights at AirHint

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

Return flights

30 Sep - 13 Oct Korean Air direct
05 Sep - 07 Sep Korean Air direct
19 Sep - 22 Sep Korean Air direct
20 Sep - 22 Sep Asiana Airlines direct
13 Sep - 15 Sep Asiana Airlines direct
13 Sep - 16 Sep Asiana Airlines direct
14 Sep - 16 Sep Eastar Jet direct
14 Sep - 19 Sep Eastar Jet direct
08 Sep - 16 Sep Eastar Jet direct
08 Sep - 09 Sep Eastar Jet direct
08 Sep - 10 Sep Eastar Jet direct
28 Sep - 18 Oct Eastar Jet direct
30 Sep - 18 Oct Eastar Jet direct
29 Sep - 18 Oct Eastar Jet direct
14 Sep - 02 Oct Eastar Jet direct
14 Sep - 05 Oct Eastar Jet direct
14 Sep - 04 Oct Eastar Jet direct
14 Sep - 01 Oct Eastar Jet direct
14 Sep - 03 Oct Eastar Jet direct
22 Sep - 02 Oct 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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