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)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)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)*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 | |
|---|---|---|---|---|---|
| Portland (PDX) | Seoul (ICN) | One-way | Saver | Depart: Feb 15, 2026 | From $418 Seen: 13 hours ago | |
| Portland (PDX) | Seoul (ICN) | One-way | Saver | Depart: Feb 28, 2026 | From $418 Seen: 13 hours ago | |
| Portland (PDX) | Seoul (ICN) | One-way | Saver | Depart: Mar 4, 2026 | From $418 Seen: 13 hours ago | |
| Portland (PDX) | Seoul (ICN) | One-way | Saver | Depart: Mar 7, 2026 | From $418 Seen: 13 hours ago | |
| Portland (PDX) | Seoul (ICN) | One-way | Saver | Depart: Mar 8, 2026 | From $418 Seen: 13 hours ago | |
| Portland (PDX) | Seoul (ICN) | One-way | Saver | Depart: Mar 25, 2026 | From $418 Seen: 13 hours ago | |
| San Diego (SAN) | Seoul (ICN) | One-way | Saver | Depart: Apr 17, 2026 | From $418 Seen: 13 hours ago | |
| San Diego (SAN) | Seoul (ICN) | One-way | Saver | Depart: Apr 18, 2026 | From $418 Seen: 13 hours ago | |
| San Diego (SAN) | Seoul (ICN) | One-way | Saver | Depart: Feb 19, 2026 | From $418 Seen: 13 hours ago | |
| San Diego (SAN) | Seoul (ICN) | One-way | Saver | Depart: Feb 28, 2026 | From $418 Seen: 13 hours ago | |
| San Diego (SAN) | Seoul (ICN) | One-way | Saver | Depart: Mar 25, 2026 | From $418 Seen: 13 hours ago | |
| San Diego (SAN) | Seoul (ICN) | One-way | Saver | Depart: Apr 9, 2026 | From $418 Seen: 13 hours ago | |
| Sacramento (SMF) | Seoul (ICN) | One-way | Saver | Depart: Mar 1, 2026 | From $418 Seen: 13 hours ago | |
| Sacramento (SMF) | Seoul (ICN) | One-way | Saver | Depart: Mar 4, 2026 | From $418 Seen: 13 hours ago | |
| Sacramento (SMF) | Seoul (ICN) | One-way | Saver | Depart: Mar 5, 2026 | From $418 Seen: 13 hours ago | |
| Sacramento (SMF) | Seoul (ICN) | One-way | Saver | Depart: Mar 29, 2026 | From $418 Seen: 13 hours ago | |
| Sacramento (SMF) | Seoul (ICN) | One-way | Saver | Depart: Apr 2, 2026 | From $418 Seen: 13 hours ago | |
| Sacramento (SMF) | Seoul (ICN) | One-way | Saver | Depart: Apr 12, 2026 | From $418 Seen: 13 hours ago | |
| Phoenix (PHX) | Seoul (ICN) | One-way | Saver | Depart: Apr 23, 2026 | From $433 Seen: 13 hours ago | |
| Phoenix (PHX) | Seoul (ICN) | One-way | Saver | Depart: Apr 29, 2026 | From $433 Seen: 13 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.