Cheapest return flights from Seattle to Seoul in March from $800

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

Return flights

05 Mar - 19 Mar Air Canada
09 Mar - 31 Mar Air Canada
14 Mar - 28 Mar Asiana Airlines direct
26 Mar - 02 Apr Asiana Airlines direct
21 Mar - 29 Mar Air Canada
21 Mar - 29 Mar Asiana Airlines direct
09 Mar - 31 Mar Delta direct

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

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

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