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Flights to St. Louis, MO
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Traveling to St. Louis, MO
The Gateway to the West
Catch a flight to St. Louis and enjoy a fun, modern city packed with culture and history for everyone. Marvel at the giant free-standing Gateway Arch, watch the animals prowl at the St Louis Zoo, and take the kids to City Museum for a unique, interactive experience.
Where Locals Go
Museum at the Gateway Arch
Forrest Park
Pappy's Smokehouse
Broadway Oyster Bar
Best Deals on Flights to St. Louis, MO
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Orlando, FL (MCO)To
St. Louis, MO (STL)Departing Mar 31, 2026
From
$33
Last seen: 5 mins ago
One-way
Discount Den Basic Fare
Denver, CO (DEN)To
St. Louis, MO (STL)Departing Apr 1, 2026
From
$27
Last seen: 1 hour ago
One-way
Discount Den Basic Fare
Las Vegas, NV (LAS)To
St. Louis, MO (STL)Departing May 5, 2026
From
$42
Last seen: 41 mins ago
One-way
Discount Den Basic Fare
Atlanta, GA (ATL)To
St. Louis, MO (STL)Departing Mar 31, 2026
From
$19
Last seen: 27 mins ago
One-way
Discount Den Basic Fare
Dallas, TX (DFW)To
St. Louis, MO (STL)Departing Apr 15, 2026
From
$40
Last seen: 10 hours ago
One-way
Discount Den Basic Fare
Tampa, FL (TPA)To
St. Louis, MO (STL)Departing Mar 31, 2026
From
$33
Last seen: 17 hours ago
One-way
Discount Den Basic Fare
Phoenix, AZ (PHX)To
St. Louis, MO (STL)Departing Apr 15, 2026
From
$44
Last seen: 14 hours ago
One-way
Discount Den Basic Fare
Cancun, MX (CUN)To
St. Louis, MO (STL)Departing Mar 28, 2026
From
$142
Last seen: 51 mins ago
One-way
Discount Den Basic Fare
Fort Lauderdale, FL (FLL)To
St. Louis, MO (STL)Departing Mar 31, 2026
From
$33
Last seen: 17 hours ago
One-way
Discount Den Basic Fare
Punta Cana, Dominican Republic (PUJ)To
St. Louis, MO (STL)Departing May 9, 2026
From
$171
Last seen: 15 hours ago
One-way
Discount Den Basic Fare
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.
Best Flight Deals to St. Louis, MO with Frontier
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From | To | |||
|---|---|---|---|---|
| Orlando, FL (MCO) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing Apr 30, 2026 | From $33 Last seen: 17 hours ago |
| Denver, CO (DEN) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing May 27, 2026 | From $27 Last seen: 13 hours ago |
| Las Vegas, NV (LAS) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing May 5, 2026 | From $42 Last seen: 41 mins ago |
| Atlanta, GA (ATL) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing Apr 29, 2026 | From $23 Last seen: 11 hours ago |
| Dallas, TX (DFW) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing Apr 15, 2026 | From $40 Last seen: 10 hours ago |
| Tampa, FL (TPA) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing Apr 16, 2026 | From $33 Last seen: 2 hours ago |
| Phoenix, AZ (PHX) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing Apr 15, 2026 | From $44 Last seen: 14 hours ago |
| Cancun, MX (CUN) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing Apr 28, 2026 | From $172 Last seen: 15 hours ago |
| Fort Lauderdale, FL (FLL) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing May 14, 2026 | From $80 Last seen: 11 hours ago |
| Punta Cana, Dominican Republic (PUJ) | St. Louis, MO (STL) | One-way / Discount Den Basic Fare | Departing May 9, 2026 | From $171 Last seen: 15 hours ago |
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.
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