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

Return flights

19 Apr - 03 May	China Southern
06 Apr - 08 May	China Southern
22 Apr - 10 May	China Southern
06 Apr - 19 Apr	China Southern
05 Apr - 19 Apr	China Southern
18 Apr - 03 May	China Southern
08 Apr - 19 Apr	China Southern
18 Apr - 15 May	China Southern
10 Apr - 28 Apr	WestJet
03 Apr - 19 Apr	WestJet
12 Apr - 23 Apr	Xiamen Airlines
16 Apr - 23 Apr	Xiamen Airlines
10 Apr - 26 Apr	WestJet
04 Apr - 21 Apr	WestJet
19 Apr - 30 Apr	WestJet
30 Apr - 21 May	Xiamen Airlines
30 Apr - 10 May	Xiamen Airlines
30 Apr - 17 May	Xiamen Airlines
27 Apr - 07 May	WestJet
30 Apr - 07 May	Xiamen Airlines

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 535€

Return flights