Cheap flights from St. Louis

View NZ$152 flight on Sat, 24 Jan 2026Opens in a new window

Popular airlines from St. Louis

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

  • Alaska Airlines

    Alaska Airlines

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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.

American Airlines
Sat, 28 Feb - Wed, 4 Mar
STL
St. Louis
DEN
Denver
NZ$321 Return, found 1 day ago
NZ$321
Return
found 1 day ago
Select American Airlines flight, departing Sat, 28 Feb from St. Louis to Denver, returning Wed, 4 Mar, priced at NZ$321 found 1 day ago
Delta
Sat, 28 Feb - Wed, 4 Mar
STL
St. Louis
DEN
Denver
NZ$339 Return, found 1 day ago
NZ$339
Return
found 1 day ago
Select Delta flight, departing Sat, 28 Feb from St. Louis to Denver, returning Wed, 4 Mar, priced at NZ$339 found 1 day ago
American Airlines
Sat, 24 Jan - Fri, 30 Jan
STL
St. Louis
DEN
Denver
NZ$347 Return, found 6 days ago
NZ$347
Return
found 6 days ago
Select American Airlines flight, departing Sat, 24 Jan from St. Louis to Denver, returning Fri, 30 Jan, priced at NZ$347 found 6 days ago
United
Sat, 28 Feb - Wed, 4 Mar
STL
St. Louis
DEN
Denver
NZ$365 Return, found 1 day ago
NZ$365
Return
found 1 day ago
Select United flight, departing Sat, 28 Feb from St. Louis to Denver, returning Wed, 4 Mar, priced at NZ$365 found 1 day ago
Delta
Sat, 28 Feb - Wed, 4 Mar
STL
St. Louis
DEN
Denver
NZ$373 Return, found 1 day ago
NZ$373
Return
found 1 day ago
Select Delta flight, departing Sat, 28 Feb from St. Louis to Denver, returning Wed, 4 Mar, priced at NZ$373 found 1 day ago
American Airlines
Sat, 28 Feb - Wed, 4 Mar
STL
St. Louis
DEN
Denver
NZ$382 Return, found 1 day ago
NZ$382
Return
found 1 day ago
Select American Airlines flight, departing Sat, 28 Feb from St. Louis to Denver, returning Wed, 4 Mar, priced at NZ$382 found 1 day ago
United
Sat, 24 Jan - Fri, 30 Jan
STL
St. Louis
DEN
Denver
NZ$382 Return, found 6 days ago
NZ$382
Return
found 6 days ago
Select United flight, departing Sat, 24 Jan from St. Louis to Denver, returning Fri, 30 Jan, priced at NZ$382 found 6 days ago
Delta
Sat, 28 Feb - Wed, 4 Mar
STL
St. Louis
DEN
Denver
NZ$399 Return, found 1 day ago
NZ$399
Return
found 1 day ago
Select Delta flight, departing Sat, 28 Feb from St. Louis to Denver, returning Wed, 4 Mar, priced at NZ$399 found 1 day ago
American Airlines
Sat, 24 Jan - Fri, 30 Jan
STL
St. Louis
DEN
Denver
NZ$407 Return, found 6 days ago
NZ$407
Return
found 6 days ago
Select American Airlines flight, departing Sat, 24 Jan from St. Louis to Denver, returning Fri, 30 Jan, priced at NZ$407 found 6 days ago
Alaska Airlines
Sat, 28 Feb - Wed, 4 Mar
STL
St. Louis
DEN
Denver
NZ$447 Return, found 1 day ago
NZ$447
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 28 Feb from St. Louis to Denver, returning Wed, 4 Mar, priced at NZ$447 found 1 day ago

Flights from St. Louis: Essential Travel Information

Cheapest flight from St. Louis
NZ$321 (roundtrip)
Best airlines to fly from St. Louis
Delta, American Airlines, United, Alaska Airlines
Cheapest month to fly from St. Louis
February
St. Louis IATA code
STL
St. Louis Country/State
Missouri
Airline ticket deals from St. Louis
NZ$321 - NZ$447

 

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