Cheapest return flights from San Francisco to Seoul in April from $600

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 April 2025 (see full year).

Return flights

30 Apr - 16 May Air Premia direct
30 Apr - 09 May Air Premia direct
30 Apr - 14 May Air Premia direct
28 Apr - 14 May Air Premia direct
27 Apr - 11 May Air Premia direct
28 Apr - 19 May Air Premia direct
30 Apr - 17 May Air Premia direct
30 Apr - 26 May Air Premia direct
27 Apr - 05 May United direct
27 Apr - 04 May United direct
29 Apr - 30 Apr Hawaiian Airlines
29 Apr - 30 Apr Asiana Airlines direct

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

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