AirHint found the following cheapest return flights from Los Angeles (LAX) to Seoul (ICN) in May 2026 (see full year).

Return flights

07 May - 16 May	Alaska Airlines
08 May - 23 May	Alaska Airlines
07 May - 11 May	Cathay Pacific
11 May - 21 May	Cathay Pacific
11 May - 18 May	Cathay Pacific
11 May - 08 Jun	Cathay Pacific
07 May - 04 Jun	Alaska Airlines
15 May - 24 May	Alaska Airlines
09 May - 13 May	Cathay Pacific
04 May - 15 May	Cathay Pacific
14 May - 30 May	WestJet
30 May - 13 Jun	WestJet
21 May - 04 Jun	WestJet
23 May - 07 Jun	WestJet
20 May - 28 May	WestJet
23 May - 06 Jun	WestJet
24 May - 06 Jun	WestJet
24 May - 13 Jun	WestJet
28 May - 04 Jun	WestJet
17 May - 12 Jun	Philippine Airlines

Also check the deals for one-way flights from Los Angeles to Seoul in May.

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 Los Angeles to Seoul in May from 636€

Return flights