Book Cheap Flights from Saint Louis (STL) with Alaska Airlines
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1 Passenger
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Find round-trip flight deals from Saint Louis.*
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Saint Louis (STL)to
Seattle (SEA)Jan 27, 2027 - Feb 3, 2027
From
$197
Seen: 5 hours ago
Round-trip
Saver
Saint Louis (STL)to
Portland (PDX)Dec 4, 2026 - Dec 10, 2026
From
$450
Seen: 35 minutes ago
Round-trip
Saver
Saint Louis (STL)to
Los Angeles (LAX)Nov 12, 2026 - Nov 15, 2026
From
$513
Seen: 13 hours ago
Round-trip
Saver
Saint Louis (STL)to
Anchorage (ANC)Nov 7, 2026 - Nov 13, 2026
From
$496
Seen: 11 hours ago
Round-trip
Saver
Saint Louis (STL)to
Fairbanks (FAI)Dec 4, 2026 - Dec 7, 2026
From
$496
Seen: 4 hours ago
Round-trip
Saver
Saint Louis (STL)to
Honolulu (HNL)Oct 28, 2026 - Nov 11, 2026
From
$591
Seen: 14 hours ago
Round-trip
Saver
Saint Louis (STL)to
Bellingham (BLI)Feb 2, 2027 - Feb 3, 2027
From
$463
Seen: 4 hours ago
Round-trip
Saver
*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.