AirHint found the following cheapest one-way flights from Seoul (ICN) to Seattle (SEA) in June 2026 (see full year).
One-Way flights
| 20 Jun | WestJet | ||
| 24 Jun | Eastar Jet | ||
| 12 Jun | WestJet | ||
| 30 Jun | T'way Air | ||
| 07 Jun | China Airlines | ||
| 16 Jun | China Airlines | ||
| 15 Jun | China Airlines | ||
| 13 Jun | WestJet | ||
| 26 Jun | Cebu Pacific | ||
| 26 Jun | Korean Air | direct |
Also check the deals for return flights from Seoul to Seattle in June.
Powered by
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.
Find us on social media