Cheap flights from St. Louis Lambert International Airport(STL) to Denver(DEN)

App

Help

USD

Search Bookings

Trip.com

Flights

Flights to Denver

St. Louis to Denver flight

St. Louis Lambert International Airport to Denver flight

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Cheap Flights from St. Louis Lambert International Airport to Denver

Search for flights from St. Louis Lambert International Airport to Denver. Find affordable one-way or round-trip flights.

One way
Round-trip

Sort by: Lowest Price

Sort by: Lowest Price
Sort by: Earliest Flight

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from St. Louis Lambert International Airport to Denver

View airlines operating flights from St. Louis Lambert International Airport to Denver. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Frontier Airlines

From US$19

Sun Country Airlines

From US$93

American Airlines

From US$97

Delta Air Lines

From US$98

United Airlines

From US$115

Southwest Airlines

From US$146

Alaska Airlines

From US$174

ANA airlines

Find more flights and airlines

There are 1 airport(s) in Denver. Discover the top routes now!

Discover different airports in Denver. Find the best flight and transfer option, and plan your trip accordingly.

1.49 km from downtown Denver
Denver International Airport
Tickets From
US$19

Flight Schedule from St. Louis Lambert International Airport to Denver

Check on the flight schedule from St. Louis Lambert International Airport to Denver. Find the flight that matches your travel plan.

Flight info.

Departure

Arrival

Weekly Schedule

F92017

Frontier Airlines

12:50

STL

3.6h

14:29

LAS

-M-W--S

F91994

Frontier Airlines

05:01

LAS

2.1h