Cheapest return flights from Seoul to Cheju in January from 21€

AirHint found the following cheapest return flights from Seoul (GMP) to Cheju (CJU) in January 2026 (see full year).

Return flights

28 Jan - 29 Jan Jeju Air direct
12 Jan - 20 Jan T'way Air direct
12 Jan - 29 Jan T'way Air direct
12 Jan - 28 Jan T'way Air direct
12 Jan - 21 Jan T'way Air direct
12 Jan - 13 Jan T'way Air direct
12 Jan - 14 Jan T'way Air direct
12 Jan - 22 Jan T'way Air direct
12 Jan - 15 Jan T'way Air direct
18 Jan - 20 Jan T'way Air direct
28 Jan - 04 Feb Jeju Air direct
28 Jan - 11 Feb Jeju Air direct
28 Jan - 03 Feb Jeju Air direct
28 Jan - 12 Feb Jeju Air direct
28 Jan - 06 Feb Jeju Air direct
28 Jan - 10 Feb Jeju Air direct
28 Jan - 05 Feb Jeju Air direct
18 Jan - 04 Feb T'way Air direct
18 Jan - 03 Feb T'way Air direct
18 Jan - 06 Feb T'way Air direct

Also check the deals for one-way flights from Seoul to Cheju in January.

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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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