Book Cheap Flights to South Korea on Alaska Airlines
Great South Korea one-way flight deals.*
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)Los Angeles (LAX)to
Seoul (ICN)Los Angeles (LAX)to
Seoul (ICN)Los Angeles (LAX)to
Seoul (ICN)Los Angeles (LAX)to
Seoul (ICN)Los Angeles (LAX)to
Seoul (ICN)Portland (PDX)to
Seoul (ICN)Portland (PDX)to
Seoul (ICN)Portland (PDX)to
Seoul (ICN)Portland (PDX)to
Seoul (ICN)Portland (PDX)to
Seoul (ICN)San Francisco (SFO)to
Seoul (ICN)San Francisco (SFO)to
Seoul (ICN)San Francisco (SFO)to
Seoul (ICN)San Francisco (SFO)to
Seoul (ICN)San Francisco (SFO)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 offers for plane tickets to South Korea.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Honolulu (HNL) | Seoul (ICN) | One-way | Saver | Depart: Aug 31, 2026 | From $365 Seen: 6 hours ago | |
| Honolulu (HNL) | Seoul (ICN) | One-way | Saver | Depart: Sep 1, 2026 | From $365 Seen: 6 hours ago | |
| Honolulu (HNL) | Seoul (ICN) | One-way | Saver | Depart: Sep 6, 2026 | From $365 Seen: 6 hours ago | |
| Honolulu (HNL) | Seoul (ICN) | One-way | Saver | Depart: Sep 13, 2026 | From $365 Seen: 6 hours ago | |
| Honolulu (HNL) | Seoul (ICN) | One-way | Saver | Depart: Oct 19, 2026 | From $365 Seen: 6 hours ago | |
| Honolulu (HNL) | Seoul (ICN) | One-way | Saver | Depart: Oct 20, 2026 | From $365 Seen: 6 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Jul 22, 2026 | From $484 Seen: 6 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Jul 26, 2026 | From $484 Seen: 6 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Jul 30, 2026 | From $484 Seen: 6 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Jul 20, 2026 | From $484 Seen: 6 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Jul 23, 2026 | From $484 Seen: 6 hours ago | |
| Seattle (SEA) | Seoul (ICN) | One-way | Saver | Depart: Jul 24, 2026 | From $484 Seen: 6 hours ago | |
| San Francisco (SFO) | Seoul (ICN) | One-way | Saver | Depart: Jul 9, 2026 | From $533 Seen: 6 hours ago | |
| San Francisco (SFO) | Seoul (ICN) | One-way | Saver | Depart: Jul 12, 2026 | From $533 Seen: 6 hours ago | |
| San Francisco (SFO) | Seoul (ICN) | One-way | Saver | Depart: Jul 29, 2026 | From $533 Seen: 6 hours ago | |
| San Francisco (SFO) | Seoul (ICN) | One-way | Saver | Depart: Aug 9, 2026 | From $533 Seen: 6 hours ago | |
| San Francisco (SFO) | Seoul (ICN) | One-way | Saver | Depart: Aug 12, 2026 | From $533 Seen: 6 hours ago | |
| San Francisco (SFO) | Seoul (ICN) | One-way | Saver | Depart: Aug 14, 2026 | From $533 Seen: 6 hours ago | |
| San Jose (SJC) | Seoul (ICN) | One-way | Saver | Depart: Aug 21, 2026 | From $533 Seen: 6 hours ago | |
| San Jose (SJC) | Seoul (ICN) | One-way | Saver | Depart: Aug 24, 2026 | From $533 Seen: 6 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.