AirHint found the following cheapest return flights from Sapporo (CTS) to Seoul (ICN) in February 2026 (see full year).

Return flights

18 Feb - 25 Feb	Peach
15 Feb - 22 Feb	Jeju Air
12 Feb - 19 Feb	Peach
24 Feb - 17 Mar	Jin Air	direct
16 Feb - 23 Feb	Peach
13 Feb - 20 Feb	Peach
12 Feb - 19 Feb	T'way Air	direct
13 Feb - 20 Feb	T'way Air	direct
01 Feb - 02 Feb	Eastar Jet	direct
28 Feb - 07 Mar	Peach
24 Feb - 06 Mar	Jin Air	direct
24 Feb - 14 Mar	Jin Air	direct
24 Feb - 13 Mar	Jin Air	direct
24 Feb - 12 Mar	Jin Air	direct
24 Feb - 11 Mar	Jin Air	direct
24 Feb - 08 Mar	Jin Air	direct
24 Feb - 16 Mar	Jin Air	direct
03 Feb - 09 Feb	Jin Air	direct
05 Feb - 09 Feb	Eastar Jet	direct
24 Feb - 15 Mar	Jin Air	direct

Also check the deals for one-way flights from Sapporo to Seoul in February.

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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Cheapest return flights from Sapporo to Seoul in February from 204€

Return flights