Book Cheap Flights from Saint Louis with Alaska Airlines
Compare one-way ticket prices from Saint Louis.*
Saint Louis (STL)to
Seattle (SEA)
Saint Louis (STL)to
Anchorage (ANC)
Saint Louis (STL)to
Portland (PDX)*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. 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.*
| FromSaint Louis (STL) | ToSeattle (SEA) | One-way | Main | Depart: Jun 4, 2024 | From $164* Seen: 17 hours ago |
| FromSaint Louis (STL) | ToAnchorage (ANC) | One-way | Main | Depart: Jun 26, 2024 | From $340* Seen: 1 hour ago |
| FromSaint Louis (STL) | ToPortland (PDX) | One-way | Main | Depart: May 31, 2024 | From $206* Seen: 5 minutes ago |
*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.