Cheapest return flights from Seattle to Seoul in August from 697€
AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (ICN)
in August 2025 (see full year ).
Return flights
30 Aug
- 01 Sep
WestJet
697 €
10 Aug
- 12 Aug
Korean Air
728 €
direct
10 Aug
- 17 Aug
Korean Air
732 €
direct
13 Aug
- 20 Aug
Korean Air
740 €
22 Aug
- 19 Sep
Air Canada
741 €
22 Aug
- 20 Sep
Air Canada
744 €
29 Aug
- 14 Sep
Air Canada
744 €
29 Aug
- 01 Sep
WestJet
748 €
14 Aug
- 02 Sep
Delta
751 €
direct
21 Aug
- 19 Sep
Delta
751 €
direct
06 Aug
- 29 Aug
Asiana Airlines
752 €
direct
19 Aug
- 26 Aug
Delta
754 €
direct
09 Aug
- 17 Aug
Delta
754 €
direct
29 Aug
- 14 Sep
Delta
754 €
direct
22 Aug
- 30 Aug
Delta
755 €
13 Aug
- 20 Aug
Korean Air
755 €
direct
08 Aug
- 22 Aug
Korean Air
760 €
22 Aug
- 30 Aug
Asiana Airlines
761 €
direct
29 Aug
- 01 Sep
Delta
830 €
direct
30 Aug
- 01 Sep
Delta
830 €
direct
Also check the deals for one-way flights from Seattle to Seoul in August .
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.
Find us on social media
Feel free to contact us with any feedback or request another flight research.
Find us on social media