Cheapest return LAX–ICN flights, September

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

Return flights

18 Sep - 29 Sep Air Premia direct
16 Sep - 06 Oct WestJet
17 Sep - 29 Sep WestJet
01 Sep - 29 Sep WestJet
17 Sep - 27 Sep WestJet
01 Sep - 09 Sep Zipair
01 Sep - 15 Sep Sichuan Airlines
17 Sep - 30 Sep WestJet
08 Sep - 22 Sep Sichuan Airlines
02 Sep - 16 Sep Cathay Pacific
07 Sep - 14 Sep Cathay Pacific
08 Sep - 11 Oct WestJet
09 Sep - 11 Oct WestJet
17 Sep - 07 Oct Air Premia direct
01 Sep - 01 Oct Air Premia direct
16 Sep - 06 Oct Air Premia direct
18 Sep - 01 Oct Air Premia direct
30 Sep - 11 Oct Air Premia
30 Sep - 10 Oct Cathay Pacific
20 Sep - 15 Oct WestJet

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

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