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Find low faresSouthwest® flights from Seattle/Tacoma to Salt Lake City from $89
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1 Passenger
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Low fares from Seattle/Tacoma to Salt Lake City
$
Seattle/Tacoma (SEA)to
Salt Lake City (SLC)
Depart: 02/28/2026
One-way
Basic
From
$89
Seen: 11 hrs ago
Seattle/Tacoma (SEA)to
Salt Lake City (SLC)
Depart: 02/25/2026
One-way
Basic
From
$89
Seen: 8 hrs ago
Seattle/Tacoma (SEA)to
Salt Lake City (SLC)
Depart: 03/07/2026
One-way
Basic
From
$89
Seen: 1 hour ago
Seattle/Tacoma (SEA)to
Salt Lake City (SLC)
Depart: 03/05/2026
One-way
Basic
From
$104
Seen: 12 hrs ago
Seattle/Tacoma (SEA)to
Salt Lake City (SLC)
Depart: 03/07/2026
One-way
Choice
From
$124
Seen: 1 hour ago
Seattle/Tacoma (SEA)to
Salt Lake City (SLC)
Depart: 02/28/2026
One-way
Choice
From
$124
Seen: 11 hrs ago
Explore flights from Seattle/Tacoma to Salt Lake City
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Flight Details
Departing from:
Seattle/Tacoma International Airport
Arriving at:
Salt Lake City International Airport
Distance:
689 miles
Route Information
142† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 142 weekly flights from Seattle/Tacoma to Salt Lake City on Southwest Airlines.
To find the lowest fares by day and time to fly Seattle/Tacoma to Salt Lake City with Southwest, check out our Low Fare Calendar.
You can rent a car at Salt Lake City International Airport book yours with your flight.
Yes! Flights from Seattle/Tacoma to Salt Lake City—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.