Book Cheap Flights from Saint Louis with Alaska Airlines
Find round-trip flight deals from Saint Louis.*
Saint Louis (STL)to
Seattle (SEA)
Saint Louis (STL)to
Anchorage (ANC)
Saint Louis (STL)to
Portland (PDX)
Saint Louis (STL)to
Fairbanks (FAI)
Saint Louis (STL)to
Puerto Vallarta (PVR)
Saint Louis (STL)to
Honolulu (HNL)
Saint Louis (STL)to
Bellingham (BLI)
Saint Louis (STL)to
Los Angeles (LAX)*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 Saint Louis.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Saint Louis (STL) | Seattle (SEA) | One-way | Saver | Depart: Feb 4, 2026 | From $109 Seen: 6 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Saver | Depart: Feb 11, 2026 | From $109 Seen: 6 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Saver | Depart: Mar 3, 2026 | From $109 Seen: 6 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Saver | Depart: Apr 1, 2026 | From $109 Seen: 6 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Saver | Depart: Apr 18, 2026 | From $109 Seen: 6 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Saver | Depart: May 12, 2026 | From $109 Seen: 6 hours ago | |
| Saint Louis (STL) | Portland (PDX) | One-way | Saver | Depart: Jun 1, 2026 | From $115 Seen: 6 hours ago | |
| Saint Louis (STL) | Portland (PDX) | One-way | Saver | Depart: Jun 3, 2026 | From $115 Seen: 6 hours ago | |
| Saint Louis (STL) | Portland (PDX) | One-way | Saver | Depart: Jun 16, 2026 | From $115 Seen: 6 hours ago | |
| Saint Louis (STL) | Portland (PDX) | One-way | Saver | Depart: Jun 22, 2026 | From $115 Seen: 6 hours ago | |
| Saint Louis (STL) | Portland (PDX) | One-way | Saver | Depart: May 26, 2026 | From $115 Seen: 6 hours ago | |
| Saint Louis (STL) | Portland (PDX) | One-way | Saver | Depart: May 27, 2026 | From $115 Seen: 6 hours ago | |
| Saint Louis (STL) | Vancouver (YVR) | One-way | Saver | Depart: May 19, 2026 | From $193 Seen: 57 minutes ago | |
| Saint Louis (STL) | Bellingham (BLI) | One-way | Saver | Depart: Apr 1, 2026 | From $195 Seen: 6 hours ago | |
| Saint Louis (STL) | Bellingham (BLI) | One-way | Saver | Depart: Apr 4, 2026 | From $195 Seen: 6 hours ago | |
| Saint Louis (STL) | Bellingham (BLI) | One-way | Saver | Depart: Apr 15, 2026 | From $195 Seen: 6 hours ago | |
| Saint Louis (STL) | Bellingham (BLI) | One-way | Saver | Depart: Apr 21, 2026 | From $195 Seen: 6 hours ago | |
| Saint Louis (STL) | Bellingham (BLI) | One-way | Saver | Depart: Apr 22, 2026 | From $195 Seen: 6 hours ago | |
| Saint Louis (STL) | Bellingham (BLI) | One-way | Saver | Depart: Apr 25, 2026 | From $195 Seen: 6 hours ago | |
| Saint Louis (STL) | Anchorage (ANC) | One-way | Saver | Depart: Apr 1, 2026 | From $201 Seen: 6 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.