Cheapest one-way flights from Seattle to Seoul in July from $498

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

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

One-Way flights

14 Jul Hawaiian Airlines
11 Jul Hawaiian Airlines
20 Jul WestJet
08 Jul Air Canada
27 Jul Air Canada
10 Jul Air Canada
12 Jul WestJet
11 Jul Asiana Airlines direct
14 Jul Asiana Airlines direct
12 Jul Asiana Airlines direct

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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