Flights from Denver to St. Louis

Our cheapest offers for flights from Denver to St. Louis

Here you can compare cheap flights from Denver (DEN) to St. Louis (STL) 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 St. Louis. Prices and availability may change at any time.

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

Favorite airline: Frontier Airlines
Flight tickets on the route Denver – St. Louis are most frequently booked with Frontier Airlines.
Frontier Airlines
62 %
United Airlines
38 %

Flight information: Denver - St. Louis

Roundtrip from $115.62
Flight duration min. 01:50 / max. 07:30
Return flight duration min. 02:20/ max. 11:15
Distance 1237 km
Flights per week 123
Departure airport Airport Denver International Airport, CO (DEN)
Arrival airport Airport St. Louis - Lambert International Airport (STL)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to St. Louis
Flight destinations with a similar price
Flight destinations with a similar price