Cheapest return flights from Cheju to Seoul in January from $27

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

Return flights

28 Jan - 28 Jan Jeju Air direct
07 Jan - 20 Jan T'way Air direct
06 Jan - 20 Jan Eastar Jet direct
14 Jan - 20 Jan Eastar Jet direct
15 Jan - 20 Jan Eastar Jet direct
08 Jan - 20 Jan Eastar Jet direct
20 Jan - 20 Jan Eastar Jet direct
13 Jan - 20 Jan Eastar Jet direct
09 Jan - 20 Jan T'way Air direct
14 Jan - 21 Jan Jin Air direct
28 Jan - 04 Feb Jeju Air direct
28 Jan - 02 Feb Jeju Air direct
28 Jan - 03 Feb Jeju Air direct
28 Jan - 09 Feb Jeju Air direct
28 Jan - 10 Feb Jeju Air direct
28 Jan - 11 Feb Jeju Air direct
28 Jan - 01 Feb Jeju Air direct
28 Jan - 05 Feb Jeju Air direct
28 Jan - 07 Feb Jeju Air direct
27 Jan - 04 Feb Eastar Jet direct

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