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Find low faresSouthwest® flights from St. Louis to Hartford/Springfield from $149
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1 Passenger
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Low fares from St. Louis to Hartford/Springfield
$
St. Louis (STL)to
Hartford/Springfield (BDL)
Depart: 04/02/2026
One-way
Basic
From
$149
Seen: 20 hrs ago
St. Louis (STL)to
Hartford/Springfield (BDL)
Depart: 05/06/2026
One-way
Basic
From
$149
Seen: 11 hrs ago
St. Louis (STL)to
Hartford/Springfield (BDL)
Depart: 04/01/2026
One-way
Basic
From
$149
Seen: 16 hrs ago
St. Louis (STL)to
Hartford/Springfield (BDL)
Depart: 03/11/2026
One-way
Basic
From
$149
Seen: 3 minutes ago
St. Louis (STL)to
Hartford/Springfield (BDL)
Depart: 03/02/2026
One-way
Basic
From
$149
Seen: 17 hrs ago
St. Louis (STL)to
Hartford/Springfield (BDL)
Depart: 03/06/2026
One-way
Basic
From
$149
Seen: 14 hrs ago
Explore flights from St. Louis to Hartford/Springfield
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Flight Details
Departing from:
Lambert-St Louis Int'l Airport
Arriving at:
Bradley International Airport
Distance:
957 miles
Route Information
132† 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 132 weekly flights from St. Louis to Hartford/Springfield on Southwest Airlines.
To find the lowest fares by day and time to fly St. Louis to Hartford/Springfield with Southwest, check out our Low Fare Calendar.
You can rent a car at Bradley International Airport book yours with your flight.
Yes! Flights from St. Louis to Hartford/Springfield—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.