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

Return flights

05 May - 14 May	WestJet
07 May - 14 May	Philippine Airlines
17 May - 24 May	WestJet
20 May - 27 May	WestJet
28 May - 03 Jun	WestJet
16 May - 30 May	WestJet
10 May - 25 May	WestJet
08 May - 25 May	WestJet
21 May - 05 Jun	WestJet
20 May - 03 Jun	WestJet
01 May - 11 May	WestJet
01 May - 09 May	Philippine Airlines
27 May - 03 Jun	WestJet
12 May - 21 May	Cathay Pacific
26 May - 23 Jun	WestJet
23 May - 12 Jun	WestJet
23 May - 13 Jun	WestJet
31 May - 20 Jun	WestJet
26 May - 03 Jun	Alaska Airlines
21 May - 24 Jun	Cathay Pacific

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 674€

Return flights