Cheapest return flights from Seattle to Seoul in August from 973€

Best time to book flights for Seattle (SEA) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (ICN) in August 2025 (see full year).

Return flights

27 Aug - 28 Sep Air Canada
25 Aug - 20 Sep Air Canada
27 Aug - 14 Sep Air Canada
15 Aug - 01 Sep China Airlines
29 Aug - 28 Sep Air Canada
29 Aug - 14 Sep Air Canada
07 Aug - 09 Aug Air Canada
03 Aug - 23 Aug China Airlines
09 Aug - 01 Sep EVA Air
05 Aug - 24 Sep China Airlines
27 Aug - 28 Sep Asiana Airlines direct
25 Aug - 20 Sep Asiana Airlines direct
07 Aug - 09 Aug Delta direct
03 Aug - 23 Aug Korean Air direct

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

Skyscanner

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.

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