AirHint found the following cheapest return flights from Seoul (GMP) to Seattle (SEA) in July 2026 (see full year).

Return flights

14 Jul - 11 Aug	ANA
07 Jul - 25 Aug	ANA
15 Jul - 28 Jul	ANA
15 Jul - 27 Jul	ANA
06 Jul - 13 Jul	ANA
14 Jul - 21 Jul	ANA
18 Jul - 28 Jul	ANA
16 Jul - 28 Jul	ANA
13 Jul - 24 Jul	ANA
16 Jul - 24 Jul	ANA
16 Jul - 23 Jul	ANA
17 Jul - 28 Jul	ANA
31 Jul - 07 Aug	EVA Air
27 Jul - 03 Aug	ANA
31 Jul - 08 Aug	ANA
27 Jul - 09 Aug	ANA
31 Jul - 09 Aug	ANA
26 Jul - 01 Aug	ANA
25 Jul - 02 Aug	ANA
25 Jul - 01 Aug	ANA

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

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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Cheapest return flights from Seoul to Seattle in July from $917

Return flights