Cheapest return flights from San Francisco to Seoul in May from $576

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

Return flights

01 May - 31 May China Southern
15 May - 31 May Air Canada
05 May - 27 May Cathay Pacific
13 May - 24 May Cathay Pacific
06 May - 10 May Cathay Pacific
06 May - 25 May Cathay Pacific
11 May - 18 May Cathay Pacific
11 May - 25 May Cathay Pacific
12 May - 19 May Cathay Pacific
04 May - 11 May Cathay Pacific
07 May - 17 Jun Cathay Pacific
05 May - 18 Jun Cathay Pacific
08 May - 17 Jun Cathay Pacific
09 May - 17 Jun Cathay Pacific
10 May - 17 Jun Cathay Pacific
05 May - 18 Jun United direct
07 May - 17 Jun United direct
20 May - 02 Jun Cathay Pacific
20 May - 07 Jun Cathay Pacific
20 May - 01 Jun Cathay Pacific

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

Powered by

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.