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  1. Flights
  2. United States
  3. St Louis, MO
  4. Denver, CO - St Louis, MO

Cheap Flights from Denver, CO (DEN) to St Louis, MO (STL)

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Discover the cheapest flights from Denver, CO to St Louis, MO
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Sat, May 9 - Sun, May 10
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
Frontier Airlines
Frontier AirlinesDirect
STL - DEN
-29 %
62$
45$
Prime price per passenger
Sun, Apr 19 - Sun, Apr 26
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
Frontier Airlines
Frontier AirlinesDirect
STL - DEN
-19 %
56$
46$
Prime price per passenger
Fri, Apr 10 - Tue, Apr 14
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
Frontier Airlines
Frontier AirlinesDirect
STL - DEN
-19 %
57$
47$
Prime price per passenger
Tue, Apr 28 - Tue, May 5
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
Frontier Airlines
Frontier AirlinesDirect
STL - DEN
-17 %
58$
48$
Prime price per passenger
Wed, Mar 25 - Tue, Mar 31
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
Frontier Airlines
Frontier AirlinesDirect
STL - DEN
-16 %
67$
57$
Prime price per passenger
Wed, May 27 - Tue, Jun 2
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
Frontier Airlines
Frontier Airlines1 stop
STL - DEN
169$
161$
Prime price per passenger
Sun, Apr 19
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
28$
27$
Prime price per passenger
Sun, Apr 26
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
28$
27$
Prime price per passenger
Sun, May 10
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
28$
27$
Prime price per passenger
Fri, Apr 10
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
29$
28$
Prime price per passenger
Tue, May 19
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
29$
28$
Prime price per passenger
Wed, Mar 25
Frontier Airlines
Frontier AirlinesDirect
DEN - STL
34$
33$
Prime price per passenger
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Denver, CO to St Louis, MO

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available at the beginning of April. Take advantage of this period to save on your flight tickets and make the most of your trip. Please note that prices may change after your search.
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week: Apr 6 - Apr 12
Flights from just $85
$85
$121
$105
$99
$85
$99
$100
$103
$86
$95
$143
$173
MarchAprilMay
Flying Time2 h and 16 mWhen flying from Denver, CO to St Louis, MO, this can take around 2 h and 16 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$27The best price for flights from Denver, CO to St Louis, MO offered by eDreams, which have been found by our customers in the last 3 days
Origin airportDenver International AirportWhen flying from Denver, CO to St Louis, MO
Destination airportSt. Louis Lambert International AirportFor the route from Denver, CO to St Louis, MO
Peak seasonMarchMarch is the busiest time to fly from Denver, CO to St Louis, MO according to search data results from our customers
Airlines operating this routeFrontier AirlinesAirline(s) that fly from Denver, CO to St Louis, MO
One-way average Price151.96A flight from Denver, CO to St Louis, MO at eDreams will cost around 151.96, this being based on prices of the previous 6 months of data
Best time to bookMarchDecember is one of the most frequent times to fly to St Louis, MO from Denver, CO according to real data from our customers
Distance: 795 miles
Denver, CO airports
Denver International (DEN)How far from city center: 19 miles
St Louis, MO airports
Lambert-St Louis Internatl (STL)How far from city center: 12 miles

Are you planning to travel to St Louis, MO for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from Denver, CO. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to St Louis, MO and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from Denver, CO to St Louis, MO

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!
On average, how much is the price of a flight from Denver, CO to St Louis, MO?
When you fly from Denver, CO to St Louis, MO the average price is 151.96. However, this price depends on many other factors such as seasonality or how far in advance the route has been booked.
For flights from Denver, CO to St Louis, MO, how can I find the cheapest price?
The cheapest price for a flight from Denver, CO to St Louis, MO is $27. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from Denver, CO to St Louis, MO?
The most popular months to book a trip from Denver, CO to St Louis, MO are March, August and July, based on the searches of our customers.
When is the best time to travel from Denver, CO to St Louis, MO?
The best time of the year to visit St Louis, MO depends on lots of personal preferences, especially the price. Regarding popularity, March is the best month to fly to St Louis, MO from Denver, CO in terms of searches from our customers, followed by August and July. If you prefer to avoid the busy season and get away from the crowds January, February and September are the months with fewer searches for Denver, CO - St Louis, MO.
How long does the flight from Denver, CO to St Louis, MO take?
Flight length from Denver, CO to St Louis, MO is around 2 h and 16 m on average, at an average distance of 794.71 mi, for flights for the route (which may have 1 or more stops in other cities in between).

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