Cheapest return flights from Seoul to Cheju in April from $270

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

Return flights

05 Apr - 08 Apr Spring Airlines
04 Apr - 09 Apr China Southern
18 Apr - 20 Apr HK Express
27 Apr - 30 Apr HK Express
02 Apr - 09 Apr Korean Air
01 Apr - 03 Apr Korean Air
29 Apr - 04 May Peach
02 Apr - 02 Apr Peach
15 Apr - 18 Apr Asiana Airlines
07 Apr - 10 Apr Scoot
01 Apr - 04 Apr Jin Air
27 Apr - 01 May Korean Air

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

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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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