Cheapest return flights from San Francisco to Seoul in May from $559

Best time to book flights for San Francisco (SFO) to Seoul (ICN) flights at AirHint

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

Return flights

07 May - 02 Jun Air Premia direct
04 May - 18 May Air Premia direct
10 May - 24 May Air Premia direct
07 May - 16 May Air Premia direct
14 May - 17 May Air Premia direct
19 May - 02 Jun Air Premia direct
21 May - 04 Jun Air Premia direct
10 May - 31 May Air Premia direct
14 May - 04 Jun Air Premia direct
07 May - 18 May Air Premia direct
14 May - 23 May Air Premia direct
04 May - 21 May Air Premia direct
02 May - 10 May Air Premia direct
07 May - 14 May Air Premia direct
24 May - 02 Jun Air Premia direct
28 May - 04 Jun Air Premia direct
12 May - 02 Jun Zipair
26 May - 02 Jun Zipair
07 May - 11 Jun Air Premia direct
19 May - 07 Jun Air Premia direct

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

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