Cheapest return flights from Seattle to Seoul in July from $1040

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 July 2025 (see full year).

Return flights

29 Jul - 06 Aug Turkish Airlines
31 Jul - 04 Aug Turkish Airlines
01 Jul - 16 Jul WestJet
03 Jul - 23 Jul Turkish Airlines
01 Jul - 08 Jul Turkish Airlines
15 Jul - 22 Jul Delta direct
11 Jul - 27 Jul Asiana Airlines direct
29 Jul - 06 Aug Delta direct
31 Jul - 04 Aug Korean Air direct
01 Jul - 16 Jul Korean Air direct
03 Jul - 23 Jul Korean Air direct
01 Jul - 08 Jul Delta direct

Also check the deals for one-way 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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