AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (ICN)
in January 2025 (see full year ).
Return flights
16 Jan
- 23 Jan
Spirit Airlines
739 €
19 Jan
- 30 Jan
Spirit Airlines
749 €
21 Jan
- 26 Feb
Spirit Airlines
749 €
21 Jan
- 25 Feb
Spirit Airlines
753 €
20 Jan
- 01 Feb
Spirit Airlines
800 €
22 Jan
- 03 Feb
Air Canada
807 €
22 Jan
- 02 Feb
Air Canada
807 €
23 Jan
- 02 Feb
Air Canada
807 €
21 Jan
- 19 Feb
Air Canada
807 €
21 Jan
- 28 Jan
Air Canada
810 €
26 Jan
- 31 Jan
Air Canada
810 €
29 Jan
- 10 Feb
Air Canada
810 €
23 Jan
- 01 Feb
Air Canada
810 €
23 Jan
- 03 Feb
Air Canada
810 €
08 Jan
- 22 Jan
Alaska Airlines
827 €
08 Jan
- 14 Jan
Frontier Airlines
843 €
21 Jan
- 28 Jan
Asiana Airlines
893 €
direct
08 Jan
- 22 Jan
Asiana Airlines
923 €
direct
16 Jan
- 23 Jan
Delta
939 €
direct
01 Jan
- 14 Jan
Alaska Airlines
945 €
Also check the deals for one-way flights from Seattle to Seoul in January .
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.