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

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

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL20:04
        2h 31m
        Direct
        DEN21:35
        St. Louis - Denver|Wed, May 1|Frontier Airlines
        NZD 32NZD 61
        47% OFF
        47% OFF
        NZD 61NZD 32
      • STL20:04
        2h 31m
        Direct
        DEN21:35
        St. Louis - Denver|Wed, May 8|Frontier Airlines
        NZD 40NZD 61
        35% OFF
        35% OFF
        NZD 61NZD 40
      • STL20:04
        2h 31m
        Direct
        DEN21:35
        St. Louis - Denver|Sat, May 4|Frontier Airlines
        NZD 41NZD 61
        34% OFF
        34% OFF
        NZD 61NZD 41
      • STL22:44
        2h 36m
        Direct
        DEN00:20
        St. Louis - Denver|Tue, May 28|Frontier Airlines
        NZD 42
        NZD 42
      • STL20:04
        2h 31m
        Direct
        DEN21:35
        St. Louis - Denver|Sat, May 18|Frontier Airlines
        NZD 43
        NZD 43
      • STL20:04
        2h 31m
        Direct
        DEN21:35
        St. Louis - Denver|Sat, May 25|Frontier Airlines
        NZD 43
        NZD 43
      • STL20:04
        2h 31m
        Direct
        DEN21:35
        St. Louis - Denver|Sat, May 11|Frontier Airlines
        NZD 44
        NZD 44
      • STL16:50
        2h 30m
        Direct
        DEN18:20
        St. Louis - Denver|Tue, May 7|Frontier Airlines
        NZD 45
        NZD 45
      • STL20:04
        2h 31m
        Direct
        DEN21:35
        St. Louis - Denver|Wed, May 15|Frontier Airlines
        NZD 45
        NZD 45
      • STL20:02
        2h 31m
        Direct
        DEN21:33
        St. Louis - Denver|Sat, Jun 29|Frontier Airlines
        NZD 45
        NZD 45
      • STL13:00
        3h 5m
        Direct
        DEN14:00
        St. Louis - Denver|Mon, May 6|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 St. Louis Lambert International Airport to Denver International Airport

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

Frontier Airlines
From NZD 32
Sun Country Airlines
From NZD 117
American Airlines
From NZD 162
Delta Air Lines
From NZD 164
United Airlines
From NZD 167
Southwest Airlines
From NZD 245
Alaska Airlines
From NZD 291
ANA airlines
Find more flights and airlines
Flight Schedule from St. Louis Lambert International Airport to Denver International Airport

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93301

    Frontier Airlines

    15:53

    STL

    2.4h

    Direct

    17:17

    DEN

    -M-W--S
    Search

  2. F92017

    Frontier Airlines

    17:05

    STL

    3.6h

    18:40

    LAS

    -M-W--S
    Search

  3. F91994

    Frontier Airlines

    05:01

    LAS

    2.1h

    08:05

    DEN

    SMTWTFS

  4. F94567

    Frontier Airlines

    20:00

    STL

    2.5h

    Direct

    21:28

    DEN

    --T----
    Search

  5. F9007

    Frontier Airlines

    20:41

    STL

    2.5h

    Direct

    22:12

    DEN

    S---TF-
    Search
Find more flights and airlines

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

Flight distance1,237.36km
Cheapest one-way ticket priceNZD 32
Cheapest return ticket priceNZD 81

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

  • How long is a flight from St. Louis Lambert International Airport to Denver International Airport?

    It takes around 2 hours 29 minutes to fly from St. Louis Lambert International Airport (STL) to Denver International Airport (DEN).

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

    There are around 4 daily flights from St. Louis Lambert International Airport (STL) to Denver International Airport (DEN).

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

    Tickets cost around NZD 217 in June, making it the cheapest month to book. St. Louis Lambert International Airport (STL) to Denver International Airport (DEN) is a popular route, so don't forget to book your tickets in advance.

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

    The route from St. Louis Lambert International Airport (STL) to Denver International Airport (DEN) is quite popular. Without considering departure times or holidays, tickets cost around NZD 290 in May, the most expensive month to book this route.

  • What time does the earliest flight from St. Louis Lambert International Airport to Denver International Airport depart?

    The earliest flight departs from St. Louis Lambert International Airport (STL) at 08:47 and arrives in Denver International Airport (DEN) at 10:12.

  • What time does the latest flight from St. Louis Lambert International Airport to Denver International Airport depart?

    The latest flight departs from St. Louis Lambert International Airport (STL) at 20:22 and arrives in Denver International Airport (DEN) at 21:53.

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

    Frontier Airlines is a very popular airline operating an average of 628 flights per month.

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