Cheapest return flights from Oakland to Seoul in May from $1603

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

Return flights

13 May - 27 May Korean Air
03 May - 09 May Korean Air
14 May - 21 May Korean Air
16 May - 23 May Korean Air
01 May - 08 May Korean Air
05 May - 10 May Korean Air
16 May - 24 May Korean Air
16 May - 30 May Korean Air
30 May - 13 Jun Korean Air
03 May - 14 May Alaska Airlines

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

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