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

Return flights

01 May - 09 May	Philippine Airlines
10 May - 16 May	China Airlines
21 May - 04 Jun	WestJet
03 May - 08 May	China Airlines
29 May - 12 Jun	Flair Airlines
27 May - 27 Jun	Flair Airlines
29 May - 10 Jun	Flair Airlines
25 May - 08 Jun	Cathay Pacific
27 May - 03 Jun	Cathay Pacific
03 May - 08 May	Air Premia	direct
21 May - 04 Jun	Air Premia	direct
27 May - 03 Jun	Air Premia	direct
27 May - 27 Jun	Air Premia	direct
29 May - 10 Jun	Air Premia	direct
18 May - 23 May	Delta	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 722€

Return flights