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: Jun 22, 2026 | From $234 Seen: 7 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Jul 15, 2026 | From $234 Seen: 4 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Jun 17, 2026 | From $234 Seen: 4 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Jun 18, 2026 | From $284 Seen: 2 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: May 18, 2026 | From $419 Seen: 2 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.