AirHint found the following cheapest one-way flights from Seoul (GMP) to Seattle (SEA) in June 2026 (see full year).
One-Way flights
| 22 Jun | Jeju Air | ||
| 16 Jun | Asiana Airlines | ||
| 20 Jun | EVA Air | ||
| 15 Jun | T'way Air | ||
| 08 Jun | Japan Airlines | ||
| 14 Jun | Japan Airlines | ||
| 23 Jun | Japan Airlines | ||
| 25 Jun | Japan Airlines |
Also check the deals for return flights from Seoul to Seattle in June.
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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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