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

Return flights

15 Jul - 22 Jul	Jetstar Japan
09 Jul - 16 Jul	T'way Air	direct
15 Jul - 22 Jul	T'way Air	direct
12 Jul - 19 Jul	T'way Air	direct
13 Jul - 20 Jul	Jetstar Japan
13 Jul - 20 Jul	Jin Air	direct
10 Jul - 17 Jul	Jetstar Japan
10 Jul - 17 Jul	Jeju Air	direct
01 Jul - 10 Jul	Jeju Air	direct
08 Jul - 10 Jul	Jeju Air	direct
26 Jul - 01 Aug	Jeju Air	direct

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

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 July from 202€

Return flights