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

Return flights

13 May - 20 May	Cathay Pacific
11 May - 26 May	Cathay Pacific
15 May - 18 May	China Airlines
13 May - 16 May	China Airlines
14 May - 20 May	China Airlines
06 May - 24 May	China Airlines
04 May - 08 May	Cathay Pacific
09 May - 23 May	China Airlines
04 May - 15 May	Cathay Pacific
22 May - 07 Jun	Flair Airlines
03 May - 16 May	Sichuan Airlines
28 May - 23 Jun	WestJet
30 May - 24 Jun	WestJet
21 May - 07 Jun	WestJet
25 May - 06 Jun	WestJet
21 May - 06 Jun	WestJet
30 May - 20 Jun	WestJet
25 May - 06 Jun	Air Premia	direct
22 May - 07 Jun	Air Premia	direct
21 May - 07 Jun	Air Premia	direct

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 772€

Return flights