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

Return flights

22 Jun - 30 Jun	ANA
25 Jun - 27 Jul	ANA
06 Jun - 07 Jun	ANA
11 Jun - 18 Jun	ANA
29 Jun - 10 Jul	ANA
12 Jun - 19 Jun	EVA Air
27 Jun - 04 Jul	ANA
28 Jun - 04 Jul	ANA
20 Jun - 28 Jun	ANA
02 Jun - 15 Jun	ANA
10 Jun - 15 Jun	ANA
09 Jun - 15 Jun	ANA
10 Jun - 26 Jun	Japan Airlines
22 Jun - 22 Jun	ANA

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

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.

Book a cheap hotel in Seattle

Cheap car rent in Seattle

Cheapest return flights from Seoul to Seattle in June from $926

Return flights