Cheapest return flights from San Francisco to Seoul in August from $638

AirHint found the following cheapest return flights from San Francisco (SFO) to Seoul (ICN) in August 2025 (see full year).

Return flights

11 Aug - 25 Aug Air Premia direct
03 Aug - 27 Aug Air Premia direct
04 Aug - 27 Aug Air Premia direct
16 Aug - 24 Aug Air Premia direct
10 Aug - 25 Aug Air Premia direct
18 Aug - 25 Aug Air Premia direct
16 Aug - 10 Sep Air Premia direct
01 Aug - 01 Sep Air Premia direct
09 Aug - 24 Aug Air Premia direct
15 Aug - 24 Aug Air Premia direct
08 Aug - 24 Aug Air Premia direct
15 Aug - 31 Aug Air Premia direct
31 Aug - 12 Sep Air Premia direct
29 Aug - 14 Sep Air Premia direct
31 Aug - 14 Sep Air Premia direct
24 Aug - 08 Sep Air Premia direct
25 Aug - 08 Sep Air Premia direct
20 Aug - 10 Sep Air Premia direct
13 Aug - 03 Sep Air Premia direct
31 Aug - 08 Sep Air Premia direct

Also check the deals for one-way flights from San Francisco to Seoul in August.

Skyscanner

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.