Book Cheap Flights from Charleston with Alaska Airlines
Find round-trip flight deals from Charleston.*
Charleston (CHS)to
Seattle (SEA)
Charleston (CHS)to
Portland (PDX)*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 flight deals from Charleston.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Apr 1, 2026 | From $129 Seen: 10 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Apr 4, 2026 | From $159 Seen: 8 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Mar 26, 2026 | From $190 Seen: 7 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Apr 23, 2026 | From $190 Seen: 7 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: May 7, 2026 | From $190 Seen: 7 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Mar 20, 2026 | From $190 Seen: 9 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Jun 26, 2026 | From $279 Seen: 9 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Mar 22, 2026 | From $346 Seen: 2 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Jun 27, 2026 | From $445 Seen: 10 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.