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

Return flights

01 Apr - 19 Apr	Hawaiian Airlines
22 Apr - 12 May	Alaska Airlines
14 Apr - 28 Apr	ANA
15 Apr - 28 Apr	Alaska Airlines
15 Apr - 28 Apr	Air Premia	direct
01 Apr - 08 Apr	Air Premia	direct
09 Apr - 16 Apr	Air Premia	direct
01 Apr - 19 Apr	Air Premia	direct
14 Apr - 28 Apr	Air Premia	direct
22 Apr - 12 May	Air Premia	direct
17 Apr - 02 May	China Airlines
11 Apr - 25 Apr	Air Canada
17 Apr - 02 May	Air Premia	direct
17 Apr - 03 May	Air Canada
11 Apr - 25 Apr	Delta	direct
17 Apr - 03 May	Delta	direct

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

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 April from 770€

Return flights