Cheap flights from St. Louis

View NZ$130 flight on Sat, 18 Apr 2026Opens in a new window

Popular airlines from St. Louis

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

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Cheapest flights from St. Louis

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$260 Return, found 18 hours ago
NZ$260
Return
found 18 hours ago
Select United flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$260 found 18 hours ago
Delta
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$277 Return, found 18 hours ago
NZ$277
Return
found 18 hours ago
Select Delta flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$277 found 18 hours ago
Delta
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$293 Return, found 18 hours ago
NZ$293
Return
found 18 hours ago
Select Delta flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$293 found 18 hours ago
American Airlines
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$359 Return, found 18 hours ago
NZ$359
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$359 found 18 hours ago
United
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$378 Return, found 18 hours ago
NZ$378
Return
found 18 hours ago
Select United flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$378 found 18 hours ago
American Airlines
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$392 Return, found 18 hours ago
NZ$392
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$392 found 18 hours ago
Delta
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$394 Return, found 18 hours ago
NZ$394
Return
found 18 hours ago
Select Delta flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$394 found 18 hours ago
Alaska Airlines
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$414 Return, found 18 hours ago
NZ$414
Return
found 18 hours ago
Select Alaska Airlines flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$414 found 18 hours ago
American Airlines
Sat, 18 Apr - Sat, 25 Apr
STL
St. Louis
DEN
Denver
NZ$425 Return, found 18 hours ago
NZ$425
Return
found 18 hours ago
Select American Airlines flight, departing Sat, 18 Apr from St. Louis to Denver, returning Sat, 25 Apr, priced at NZ$425 found 18 hours ago
American Airlines
Sat, 7 Mar - Mon, 9 Mar
STL
St. Louis
MCO
Orlando
NZ$427 Return, found 6 days ago
NZ$427
Return
found 6 days ago
Select American Airlines flight, departing Sat, 7 Mar from St. Louis to Orlando, returning Mon, 9 Mar, priced at NZ$427 found 6 days ago

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Flights from St. Louis: Essential Travel Information

Cheapest flight from St. Louis
NZ$260 (roundtrip)
Best airlines to fly from St. Louis
United, Delta, Alaska Airlines, American Airlines, Hawaiian Airlines
Cheapest month to fly from St. Louis
April
St. Louis IATA code
STL
St. Louis Country/State
Missouri
Airline ticket deals from St. Louis
NZ$260 - NZ$490

 

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