STL to DEN (St. Louis to Denver) Flights

Last Minute Flights from STL to DEN

Best airfare and ticket deals for STL to DEN flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
STLDenverMay 26 to May 29$276
*Prices include taxes and fees

Cheapest STL to DEN Flights

Best airfare and ticket deals for STL to DEN flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
STLDenverAugust 7 to August 10$88
STLDenverJuly 20 to July 23$177
STLDenverJune 25 to June 25$191
STLDenverJuly 16 to July 16$191
*Prices include taxes and fees
STL to DEN Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Distance
767 mi

Frequently asked questions

Which airlines with flights from STL to DEN allow free cancellation due to COVID-19?
Enter your preferred dates and destination, then click the big green “Find the best flight deals” button. Once the search results come up, check the “No change fee” box directly under the “Flexible change policies” filter to the left of the screen. Before you lock in your Lambert-St. Louis International Airport to Denver International Airport airfares, read through the airline’s COVID-19 travel-related policies so you know what you can and can’t change.
What airlines fly direct from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to Denver Airport?
Southwest Airlines (WN) and United Airlines (UA) can fly you nonstop from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) to DEN. The first carrier offers 160 of these services monthly, while the other has 121 per month. Buckle up, get comfy and head off to your destination fast.
How many flights are there from STL to