AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (GMP) in June 2026 (see full year).
Return flights
| 16 Jun - 30 Jun | Japan Airlines | ||
| 23 Jun - 30 Jun | Japan Airlines | ||
| 21 Jun - 28 Jun | Japan Airlines | ||
| 23 Jun - 08 Jul | ANA | ||
| 24 Jun - 03 Jul | ANA | ||
| 27 Jun - 11 Jul | ANA | ||
| 10 Jun - 20 Jun | ANA | ||
| 19 Jun - 30 Jun | ANA |
Also check the deals for one-way flights from Seattle to Seoul 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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