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Denver International Airport to St. Louis Lambert International Airport flight
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Cheap Flight Deals from Denver International Airport to St. Louis Lambert International Airport

Search for flights from Denver to St. Louis and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • DEN08:44
        2h 6m
        Direct
        STL11:50
        Denver - St. Louis|Tue, Jul 9|Frontier Airlines
        CAD 35CAD 58
        39% OFF
        39% OFF
        CAD 58CAD 35
      • DEN06:26
        2h 11m
        Direct
        STL09:37
        Denver - St. Louis|Wed, Jul 10|Frontier Airlines
        CAD 36CAD 58
        39% OFF
        39% OFF
        CAD 58CAD 36
      • DEN06:20
        2h 9m
        Direct
        STL09:29
        Denver - St. Louis|Sat, Jun 8|Frontier Airlines
        CAD 37CAD 58
        36% OFF
        36% OFF
        CAD 58CAD 37
      • DEN08:44
        2h 6m
        Direct
        STL11:50
        Denver - St. Louis|Tue, Aug 6|Frontier Airlines
        CAD 37
        CAD 37
      • DEN06:20
        2h 9m
        Direct
        STL09:29
        Denver - St. Louis|Wed, Jun 5|Frontier Airlines
        CAD 38
        CAD 38
      • DEN06:26
        2h 11m
        Direct
        STL09:37
        Denver - St. Louis|Wed, May 22|Frontier Airlines
        CAD 41
        CAD 41
      • DEN06:20
        2h 10m
        Direct
        STL09:30
        Denver - St. Louis|Sat, Jun 29|Frontier Airlines
        CAD 42
        CAD 42
      • DEN11:39
        2h 8m
        Direct
        STL14:47
        Denver - St. Louis|Tue, Jul 2|Frontier Airlines
        CAD 44
        CAD 44
      • DEN06:26
        2h 10m
        Direct
        STL09:36
        Denver - St. Louis|Wed, May 29|Frontier Airlines
        CAD 45
        CAD 45
      • DEN06:20
        2h 9m
        Direct
        STL09:29
        Denver - St. Louis|Wed, Jul 3|Frontier Airlines
        CAD 45
        CAD 45
      • DEN13:00
        3h 5m
        Direct
        STL14:00
        Denver - St. Louis|Fri, May 17|Frontier Airlines
        Find More Flights
        Find More Flights

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

Selected Airlines from Denver International Airport to St. Louis Lambert International Airport

See which airlines fly from Denver to St. Louis. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Sun Country Airlines
From CAD 126
Delta Air Lines
From CAD 127
American Airlines
From CAD 132
Alaska Airlines
From CAD 253
Southwest Airlines
From CAD 254
Frontier Airlines
From CAD 289
United Airlines
From CAD 414
ANA airlines
Find more flights and airlines
Flight Schedule from Denver International Airport to St. Louis Lambert International Airport

Check the schedule for flights from Denver to St. Louis and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F9006

    Frontier Airlines

    07:00

    DEN

    2.1h

    Direct

    10:05

    STL

    S-T--F-
    Search

  2. F93302

    Frontier Airlines

    11:46

    DEN

    2.1h

    Direct

    14:53

    STL

    -M--T-S
    Search

  3. F94478

    Frontier Airlines

    18:54

    DEN

    2.2h

    Direct

    22:06

    STL

    ---W---
    Search
Find more flights and airlines

Denver International Airport to St. Louis Lambert International Airport Flights Info

Flight distance1,237.36km
Cheapest one-way ticket priceCAD 35
Cheapest return ticket priceCAD 67

FAQs for Denver International Airport to St. Louis Lambert International Airport Flights

  • How long does it take to fly from Denver International Airport (DEN) to St. Louis Lambert International Airport (STL)?

    It takes around 2 hours 20 minutes to fly from Denver International Airport (DEN) to Denver International Airport(STL).

  • How many daily flights are there from Denver International Airport (DEN) to St. Louis Lambert International Airport (STL)?

    There are around 7 daily flights from Denver International Airport (DEN) to St. Louis Lambert International Airport (STL).

  • When are flight tickets from Denver International Airport (DEN) to St. Louis Lambert International Airport (STL) the cheapest?

    Tickets cost around CAD 199 in July, making it the cheapest month to book. Denver International Airport (DEN) to St. Louis Lambert International Airport (STL) is a popular route, so don't forget to book your tickets in advance.

  • When are flight tickets from Denver International Airport (DEN) to St. Louis Lambert International Airport (STL) most expensive?

    The route from Denver International Airport (DEN) to St. Louis Lambert International Airport (STL) is quite popular. Without considering departure times or holidays, tickets cost around CAD 281 in May, the most expensive month to book this route.

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St. Louis Lambert International Airport to downtown is about 20km, by taxi about 40 minutes.

  • Which airline operates the most direct flights from Denver International Airport (DEN) to St. Louis Lambert International Airport (STL)?

    United Airlines is a very popular airline operating an average of 1200 flights per month.

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