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)
Saint Louis (STL)to
Fairbanks (FAI)
Saint Louis (STL)to
Bellingham (BLI)*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.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Saint Louis (STL) | Seattle (SEA) | One-way | Main | Depart: Jul 30, 2025 | From $170 Seen: 15 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Main | Depart: Sep 28, 2025 | From $170 Seen: 9 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Main | Depart: Sep 21, 2025 | From $170 Seen: 10 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Main | Depart: Oct 10, 2025 | From $170 Seen: 7 minutes ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Main | Depart: Sep 22, 2025 | From $170 Seen: 17 hours ago | |
| Saint Louis (STL) | Seattle (SEA) | One-way | Main | Depart: Aug 6, 2025 | From $170 Seen: 9 hours ago | |
| Saint Louis (STL) | Portland (PDX) | One-way | Main | Depart: Jul 29, 2025 | From $267 Seen: 9 hours ago | |
| Saint Louis (STL) | Fairbanks (FAI) | One-way | Main | Depart: Sep 3, 2025 | From $321 Seen: 13 hours ago | |
| Saint Louis (STL) | Fairbanks (FAI) | One-way | Main | Depart: Sep 10, 2025 | From $321 Seen: 13 hours ago | |
| Saint Louis (STL) | Fairbanks (FAI) | One-way | Main | Depart: Sep 2, 2025 | From $321 Seen: 13 hours ago | |
| Saint Louis (STL) | Fairbanks (FAI) | One-way | Main | Depart: Sep 9, 2025 | From $321 Seen: 13 hours ago | |
| Saint Louis (STL) | Fairbanks (FAI) | One-way | Main | Depart: Sep 16, 2025 | From $321 Seen: 13 hours ago | |
| Saint Louis (STL) | Fairbanks (FAI) | One-way | Main | Depart: Sep 24, 2025 | From $321 Seen: 13 hours ago | |
| Saint Louis (STL) | Anchorage (ANC) | One-way | Main | Depart: Aug 31, 2025 | From $365 Seen: 21 minutes ago | |
| Saint Louis (STL) | Anchorage (ANC) | One-way | Main | Depart: Aug 5, 2025 | From $375 Seen: 6 hours 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.