Cheapest return flights from Oakland to Seoul in April from $876

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

Return flights

06 Apr - 06 May Alaska Airlines
22 Apr - 09 May Korean Air
30 Apr - 16 May Korean Air
07 Apr - 16 May Korean Air
18 Apr - 03 May Alaska Airlines
01 Apr - 08 Apr Alaska Airlines
06 Apr - 24 Apr Alaska Airlines
09 Apr - 27 Apr Alaska Airlines
08 Apr - 19 Apr Alaska Airlines
13 Apr - 20 Apr Alaska Airlines
01 Apr - 09 Apr Alaska Airlines
16 Apr - 26 Apr Alaska Airlines
08 Apr - 22 Apr Korean Air
08 Apr - 28 Apr Korean Air
21 Apr - 05 May Korean Air
07 Apr - 05 May Korean Air
25 Apr - 08 May Alaska Airlines
17 Apr - 03 May Alaska Airlines
23 Apr - 02 May Korean Air
01 Apr - 05 Apr Alaska Airlines

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

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