Cheapest return flights from San Jose to Seoul in May from $1325

Best time to book flights for San Jose (SJC) to Seoul (ICN) flights at AirHint

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

Return flights

01 May - 18 May Alaska Airlines
14 May - 26 May Korean Air
07 May - 14 May Korean Air
12 May - 19 May Korean Air
08 May - 26 May Korean Air
07 May - 26 May Korean Air
13 May - 28 May Korean Air
23 May - 04 Jun Hawaiian Airlines
27 May - 17 Jun Alaska Airlines
05 May - 13 Jun Korean Air
07 May - 01 Jun Korean Air
04 May - 07 May Korean Air
02 May - 03 Jun Korean Air
01 May - 10 May Korean Air
16 May - 31 May Korean Air
02 May - 13 Jun Korean Air
27 May - 07 Jun Korean Air
19 May - 15 Jun Korean Air
31 May - 11 Jun Korean Air
26 May - 02 Jun Korean Air

Also check the deals for one-way flights from San Jose 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