Cheapest return flights from Seoul to Seattle in May from $560

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

Return flights

05 May - 07 May United
30 May - 09 Jun American Airlines
02 May - 15 May American Airlines
17 May - 26 May American Airlines
17 May - 26 May Asiana Airlines direct
11 May - 22 May Asiana Airlines direct
03 May - 11 May Asiana Airlines direct
01 May - 04 May Asiana Airlines direct
01 May - 23 May Asiana Airlines direct
01 May - 22 May Asiana Airlines direct
14 May - 26 May Asiana Airlines direct
22 May - 05 Jun Asiana Airlines direct
26 May - 03 Jun Asiana Airlines direct
29 May - 20 Jun Korean Air direct

Also check the deals for one-way flights from Seoul to Seattle 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 Seattle

Cheap car rent in Seattle

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