Cheapest return flights from Seattle to Seoul in April from 752€

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

Return flights

29 Apr - 05 May Asiana Airlines direct
28 Apr - 12 May Alaska Airlines
20 Apr - 05 May Asiana Airlines direct
27 Apr - 18 May Asiana Airlines direct
21 Apr - 05 May Asiana Airlines direct
20 Apr - 11 May Asiana Airlines direct
21 Apr - 12 May Asiana Airlines
11 Apr - 28 Apr Alaska Airlines
25 Apr - 17 May Korean Air direct
20 Apr - 14 May EVA Air
13 Apr - 27 Apr Alaska Airlines
20 Apr - 04 May Korean Air direct
07 Apr - 28 Apr Alaska Airlines
15 Apr - 21 Apr Asiana Airlines
07 Apr - 21 Apr Alaska Airlines
07 Apr - 23 Apr Asiana Airlines
07 Apr - 15 Apr Asiana Airlines direct
15 Apr - 17 Apr Asiana Airlines direct
13 Apr - 27 Apr Delta direct
07 Apr - 28 Apr Delta direct

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

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 Seoul

Cheap car rent in Seoul

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