Cheapest one-way flights from Seattle to Seoul in July from 402€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Seoul (ICN) in July 2025 (see full year).

One-Way flights

28 Jul WestJet
20 Jul Alaska Airlines
19 Jul Alaska Airlines
14 Jul Alaska Airlines
17 Jul Alaska Airlines
16 Jul Air Canada
29 Jul Air Canada
13 Jul Air Canada
21 Jul Air Canada
10 Jul Air Canada

Also check the deals for return flights from Seattle to Seoul in July.

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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