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

Return flights

23 Jul - 30 Jul	Korean Air
08 Jul - 14 Jul	Korean Air
16 Jul - 23 Jul	Korean Air
14 Jul - 18 Aug	Korean Air
29 Jul - 03 Aug	Korean Air
16 Jul - 03 Aug	Korean Air
13 Jul - 03 Aug	Korean Air
06 Jul - 24 Aug	Korean Air
11 Jul - 01 Aug	Korean Air
01 Jul - 23 Jul	Korean Air
03 Jul - 25 Aug	Korean Air
03 Jul - 18 Jul	Korean Air
01 Jul - 24 Jul	Korean Air
04 Jul - 20 Aug	Korean Air
01 Jul - 31 Jul	Korean Air

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

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 Oakland to Seoul in July from $1593

Return flights