Cheapest one-way flights from Seattle to Seoul in July from $473

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

12 Jul Alaska Airlines
18 Jul WestJet
30 Jul WestJet
06 Jul Alaska Airlines
16 Jul China Airlines
14 Jul Air Canada
01 Jul Air Canada
12 Jul Asiana Airlines direct
06 Jul Asiana Airlines direct
18 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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