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
11 Aug 15 Sep Cathay Pacific
24 Aug 07 Sep Cathay Pacific
19 Aug 09 Sep Cathay Pacific
31 Aug 19 Sep Cathay Pacific
27 Aug 11 Sep Cathay Pacific
13 Aug 25 Aug Cathay Pacific
22 Aug 31 Aug Cathay Pacific
20 Aug 28 Aug Cathay Pacific
30 Aug 20 Sep Qatar Airways
22 Aug 29 Aug Cathay Pacific
01 Aug 08 Aug WestJet
06 Aug 21 Aug WestJet
14 Aug 23 Aug Alaska Airlines
05 Aug 20 Aug WestJet
11 Aug 15 Sep Asiana Airlines
Direct Flight
06 Aug 11 Aug WestJet
02 Aug 15 Aug Alaska Airlines
30 Aug 20 Sep Delta
Direct Flight
20 Aug 22 Sep Delta
Direct Flight
20 Aug 21 Sep Delta
Direct Flight
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Updated May 21, 2026.

About these fares

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