Cheapest return flights from Oakland to Seoul in May from $741

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

Return flights

01 May - 06 May Alaska Airlines
04 May - 13 May Alaska Airlines
02 May - 16 May Korean Air
01 May - 09 May Korean Air
02 May - 09 May Korean Air
05 May - 13 May Korean Air
17 May - 21 May Alaska Airlines
02 May - 17 May Alaska Airlines
11 May - 25 May Alaska Airlines
03 May - 09 May Korean Air
05 May - 18 Jun Korean Air
09 May - 30 Jun Korean Air
03 May - 30 Jun Korean Air
26 May - 02 Jun Korean Air
20 May - 01 Jun Korean Air
27 May - 10 Jun Korean Air
28 May - 11 Jun Korean Air
20 May - 30 Jun Korean Air
28 May - 13 Jun Korean Air
08 May - 19 Jun Alaska Airlines

Also check the deals for one-way flights from Oakland to Seoul in May.

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