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

Flights from St Louis, MO to Denver

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Explore the best deals

Discover the cheapest flights from St Louis, MO to Denver
Sun, Dec 20
F9
F9Direct
STL - DEN
-39 %
54€
33€
Prime price per passenger
Sun, Dec 6
F9
F9Direct
STL - DEN
-38 %
55€
34€
Prime price per passenger
Sun, Jan 17
F9
F9Direct
STL - DEN
-38 %
55€
34€
Prime price per passenger
Tue, Jan 26
F9
F9Direct
STL - DEN
-38 %
56€
35€
Prime price per passenger
Fri, Jan 1
F9
F9Direct
STL - DEN
-38 %
57€
36€
Prime price per passenger
Wed, Nov 25
F9
F9Direct
STL - DEN
-38 %
68€
43€
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 St Louis, MO to Denver

If you’re planning to fly this route soon, keep in mind that the lowest fares are usually available in the middle of November. 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.
Filter by
week: Nov 9 - Nov 15
Flights from just €64
€149
€64
November
Distance: 1,279 km
St Louis, MO airports
Denver airports
Denver International Airport (DEN)How far from city centre: 30 km

Book your flight from St Louis, MO to Denver

Find direct and indirect flights from St Louis, MO to Denver (United States) with eDreams. Once you have your results, sort them by schedule or price and book the option that best suits your plans.

The lowest fare booked on this route in recent days was €33, though the price you see will depend on your travel dates and departure times.

A direct flight from St Louis, MO to Denver takes around 4 h and 18 m, while indirect flights will take longer.

Airports and airlines connecting St Louis, MO and Denver

Knowing where you set off from and where you arrive helps you organise your journey better. Consider the available airports and compare the different airlines operating on this route.

  • Arrival airport: Denver International Airport (DEN)

Weather in Denver

The best time to visit may depend on your preferred climate. In Denver, the average temperature floats around 30ºC in the warmest months and -8ºC in the coldest ones. Keep this in mind when packing and planning any outdoor activities.

  • Highs: up to 32ºC
  • Lows: down to -8ºC
  • Hottest month: July
  • Coldest month: December
  • Driest month: December
  • Wettest month: July

How to save when flying from St Louis, MO to Denver

A few tips for finding cheaper flights from St Louis, MO to Denver:

  • Flexible dates: compare fares for two or three different departure days. Leaving a day earlier or later can make a noticeable difference to the price.
  • Baggage allowance: check what each fare includes before you book, so you aren't caught out by extra charges at the airport.
  • Airports on your route: confirm which airports you depart from and land at, especially if the city has more than one. This will help you plan your transfer and work out the total cost of getting around.

Looking for a bigger saving? Book a Flight + Hotel package to combine both in one booking and unlock exclusive discounts on your stay in Denver. You can also save on a hire car by including it with your booking.

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

On average, what is the price of a St Louis, MO to Denver flight?
When flying from St Louis, MO to Denver the average price will be €135. However, this price is dependant on several other factors like seasonality or the time in advance taken when booking the route.
For flights from St Louis, MO to Denver, how can I find the cheapest price?
On eDreams we use machine learning to find the most economical flight between St Louis, MO and Denver. By taking into account the combinations of airlines, stopovers, direct flights as well as the various criteria for the journeys, our search engine allows us to offer our customers the best price under the best conditions.
When booking, when is the best time to do so in order to get the best prices for St Louis, MO to Denver flights?
The most popular month for flights from St Louis, MO to Denver are: February, November and October.
When is the best time to travel from St Louis, MO to Denver?
A good period of the year to visit Denver from St Louis, MO really depends on lots of personal preferences, price being one of the main criteria When it comes to popularity, December is the best month to fly to Denver from St Louis, MO, basedd on searches from our customers, followed by June and July. If you prefer to avoid the busy season and get away from the crowds September, February and March are the months with fewer searches for the route St Louis, MO -  Denver.
What is the duration of a flight from St Louis, MO to Denver?
Flight time, on average, from St Louis, MO to Denver is usually 5 h and 42 m on average, at an average distance of 1,278.96 km, for flights for the route (which may have 1 or more stops in other cities in between).
What is the weather like in Denver compared to St Louis, MO?
The average temperature in St Louis, MO is 26º degrees in summer. Denver reaches 22º during the hot season. In winter, however, temperatures are around -1º degrees in Denver, compared to the 1º average degrees in St Louis, MO.

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