Alaska Airlines Cheap Flights from Seattle to South Korea
Deals on one-way flights from Seattle to South Korea.*
Seattle (SEA)to
Seoul (ICN)Seattle (SEA)to
Seoul (ICN)Seattle (SEA)to
Seoul (ICN)Seattle (SEA)to
Seoul (ICN)Seattle (SEA)to
Seoul (ICN)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way low-fare flights Seattle to South Korea.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Aug 5, 2026 | From $442 Seen: 19 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Aug 8, 2026 | From $442 Seen: 19 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Apr 25, 2026 | From $442 Seen: 19 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Apr 26, 2026 | From $442 Seen: 19 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Apr 27, 2026 | From $442 Seen: 19 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Aug 7, 2026 | From $442 Seen: 19 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.