Cheapest return flights from Seoul to Cheju in July from $21

AirHint found the following cheapest return flights from Seoul (GMP) to Cheju (CJU) in July 2025 (see full year).

Return flights

01 Jul - 02 Jul Jin Air direct
01 Jul - 03 Jul T'way Air direct
01 Jul - 09 Jul Jin Air direct
01 Jul - 08 Jul T'way Air direct
02 Jul - 09 Jul T'way Air direct
02 Jul - 03 Jul T'way Air direct
07 Jul - 09 Jul Eastar Jet direct
01 Jul - 10 Jul Jin Air direct
08 Jul - 09 Jul Eastar Jet direct
02 Jul - 10 Jul T'way Air direct
03 Jul - 21 Aug T'way Air direct
16 Jul - 22 Aug Jin Air direct
03 Jul - 31 Aug T'way Air direct
10 Jul - 13 Aug Jeju Air direct
16 Jul - 23 Aug Jeju Air direct
16 Jul - 24 Aug Jeju Air direct
23 Jul - 20 Aug T'way Air direct
16 Jul - 06 Aug Jin Air direct
22 Jul - 08 Aug Eastar Jet direct
22 Jul - 07 Aug Eastar Jet direct

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

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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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