Southwest® flights to St. Louis starting at $79
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Popular flights to St. Louis on Southwest Airlines
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$
Dallas (Love Field) (DAL)to
St. Louis (STL)Depart: 01/01/2026
From
$103
Seen: 23 hrs ago
One-way
Basic
Denver (DEN)to
St. Louis (STL)Depart: 01/14/2026
From
$99
Seen: 1 hour ago
One-way
Basic
Phoenix (PHX)to
St. Louis (STL)Depart: 12/25/2025
From
$149
Seen: 17 hrs ago
One-way
Basic
Orlando (MCO)to
St. Louis (STL)Depart: 01/06/2026
From
$162
Seen: 19 hrs ago
One-way
Basic
Houston (Hobby) (HOU)to
St. Louis (STL)Depart: 01/14/2026
From
$157
Seen: 15 hrs ago
One-way
Basic
Chicago (Midway) (MDW)to
St. Louis (STL)Depart: 01/07/2026
From
$86
Seen: 15 hrs ago
One-way
Basic
Atlanta (ATL)to
St. Louis (STL)Depart: 01/10/2026
From
$96
Seen: 20 hrs ago
One-way
Basic
Los Angeles (LAX)to
St. Louis (STL)Depart: 01/13/2026
From
$158
Seen: 18 hrs ago
One-way
Basic
Tampa (TPA)to
St. Louis (STL)Depart: 01/14/2026
From
$161
Seen: 23 hrs ago
One-way
Basic
New York (LaGuardia) (LGA)to
St. Louis (STL)Depart: 01/13/2026
From
$141
Seen: 21 hrs ago
One-way
Basic
Las Vegas (LAS)to
St. Louis (STL)Depart: 01/14/2026
From
$142
Seen: 1 hour ago
One-way
Basic
Washington, D.C. (Reagan National) (DCA)to
St. Louis (STL)Depart: 12/25/2025
From
$114
Seen: 21 hrs ago
One-way
Basic
Baltimore/Washington (BWI)to
St. Louis (STL)Depart: 01/14/2026
From
$150
Seen: 14 hrs ago
One-way
Basic
Fort Lauderdale (FLL)to
St. Louis (STL)Depart: 01/14/2026
From
$159
Seen: 20 hrs ago
One-way
Basic
Austin (AUS)to
St. Louis (STL)Depart: 01/10/2026
From
$107
Seen: 22 hrs ago
One-way
Basic
Fort Myers/Naples (RSW)to
St. Louis (STL)Depart: 01/14/2026
From
$159
Seen: 13 hrs ago
One-way
Basic
Boston (BOS)to
St. Louis (STL)Depart: 01/01/2026
From
$149
Seen: 15 hrs ago
One-way
Basic
San Diego (SAN)to
St. Louis (STL)Depart: 01/13/2026
From
$159
Seen: 8 hrs ago
One-way
Basic
Miami (MIA)to
St. Louis (STL)Depart: 01/14/2026
From
$145
Seen: 14 hrs ago
One-way
Basic
Nashville (BNA)to
St. Louis (STL)Depart: 01/14/2026
From
$145
Seen: 1 hour ago
One-way
Basic
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
Visit St. Louis
Don't-miss Attractions in St. Louis
- Gateway Arch: Travel to the top of the iconic 630-foot monument for sweeping views of the city and Mississippi River
- Forest Park: Wander this massive urban park featuring the St. Louis Zoo, Art Museum, and Science Center
- City Museum: Visit this unique interactive museum with art installations, slides, and caves
Top Things to Do in St. Louis
- Missouri Botanical Garden: Stroll these beautiful gardens, visit the butterfly house, and admire historic architecture
- Soulard District: Explore historic markets, catch live music, and dine at local eateries
Details about Lambert-St Louis Int'l Airport
Airport code:
STL
City:
St. Louis
State:
Missouri
Concourse:
Terminal 2
Gates:
Gates 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 31, 33, 34, 36, 38, 40
Airport-provided WiFi
Cities with weekly flights from STL:
120†
Cities with daily nonstop flights Monday through Friday from STL:
47‡
Cities with daily nonstop flights Saturday through Sunday from STL:
97§
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2025 and 10/31/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2025 and 10/31/2025.
Find cheap flights to St. Louis
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flight_land
$
Denver (DEN)to
St. Louis (STL)
Depart: 01/17/2026
One-way
Basic
From
$79
Seen: 14 hrs ago
Chicago (Midway) (MDW)to
St. Louis (STL)
Depart: 01/07/2026
One-way
Basic
From
$86
Seen: 15 hrs ago
Atlanta (ATL)to
St. Louis (STL)
Depart: 02/11/2026
One-way
Basic
From
$86
Seen: 21 hrs ago
Minneapolis/St. Paul (MSP)to
St. Louis (STL)
Depart: 01/27/2026
One-way
Basic
From
$86
Seen: 16 hrs ago
Kansas City (MCI)to
St. Louis (STL)
Depart: 02/04/2026
One-way
Basic
From
$86
Seen: 20 hrs ago
Tulsa (TUL)to
St. Louis (STL)
Depart: 01/26/2026
One-way
Basic
From
$86
Seen: 14 hrs ago
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More Southwest flights to St. Louis