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 8, 2026 | From $119 Seen: 13 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Apr 15, 2026 | From $119 Seen: 13 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Mar 18, 2026 | From $119 Seen: 13 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Mar 21, 2026 | From $119 Seen: 13 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Mar 11, 2026 | From $119 Seen: 13 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Mar 17, 2026 | From $119 Seen: 13 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Feb 17, 2026 | From $137 Seen: 13 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Feb 18, 2026 | From $137 Seen: 13 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Mar 3, 2026 | From $137 Seen: 13 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Feb 24, 2026 | From $137 Seen: 13 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Mar 4, 2026 | From $137 Seen: 13 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Feb 28, 2026 | From $137 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.