Flights from St. Louis to Denver

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Our cheapest offers for flights from St. Louis to Denver

Here you can compare cheap flights from St. Louis (STL) to Denver (DEN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Denver. Prices and availability may change at any time.

Tips and tricks to help you find cheap flights from St. Louis to Denver

Favorite airline: Frontier Airlines
100 % of bookings on this flight route are made with Frontier Airlines, United Airlines and Delta.
Frontier Airlines
55 %
United Airlines
36 %
Delta
9 %
Direct flights are cheaper
Direct flights on this route are $162.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
02h 28min
08h 30min
$117
$279
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 88 % of travelers will book a direct flight.
Route
bookings
Direct flights
02h 28min, from $117
88 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
08h 30min, from $279
12 %

Flight information: St. Louis - Denver

Roundtrip from $96.05
Flight duration min. 02:20 / max. 11:15
Return flight duration min. 01:50/ max. 07:30
Distance 1237 km
Flights per week 123
Departure airport Airport St. Louis - Lambert International Airport (STL)
Arrival airport Airport Denver International Airport, CO (DEN)
Destination country Flights to United States