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) | Portland (PDX) | One-way | Saver | Depart: Nov 10, 2026 | From $175 Seen: 5 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Nov 17, 2026 | From $175 Seen: 5 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Dec 9, 2026 | From $175 Seen: 5 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Nov 14, 2026 | From $175 Seen: 5 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Dec 8, 2026 | From $175 Seen: 5 hours ago | |
| Charleston (CHS) | Portland (PDX) | One-way | Saver | Depart: Nov 11, 2026 | From $175 Seen: 5 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Aug 14, 2026 | From $204 Seen: 5 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Aug 17, 2026 | From $204 Seen: 5 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Aug 20, 2026 | From $204 Seen: 5 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Aug 25, 2026 | From $204 Seen: 5 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Aug 28, 2026 | From $204 Seen: 5 hours ago | |
| Charleston (CHS) | Seattle (SEA) | One-way | Saver | Depart: Sep 2, 2026 | From $204 Seen: 5 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.