Cheapest return flights from Seattle (SEA) to Seoul (ICN), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
23 Aug 14 Sep WestJet
19 Aug 31 Aug Frontier Airlines
24 Aug 31 Aug WestJet
24 Aug 07 Sep WestJet
21 Aug 28 Aug WestJet
22 Aug 05 Sep Frontier Airlines
16 Aug 13 Sep Frontier Airlines
15 Aug 31 Aug Frontier Airlines
20 Aug 26 Aug WestJet
30 Aug 06 Sep WestJet
21 Aug 25 Aug WestJet
27 Aug 26 Sep WestJet
14 Aug 23 Aug Frontier Airlines
16 Aug 19 Aug Alaska Airlines
01 Aug 20 Aug Frontier Airlines
09 Aug 12 Aug WestJet
19 Aug 12 Sep Air Canada
07 Aug 04 Sep Asiana Airlines
Direct Flight
20 Aug 21 Sep Delta
Direct Flight
20 Aug 22 Sep Delta
Direct Flight
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deals for one-way flights from Seattle to Seoul in August.

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Updated Jul 12, 2026.

About these fares

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