Question 1

How long is the flight from Denver to St. Louis?

Accepted Answer

A nonstop flight from Denver to St. Louis typically takes around 2 hours. If you choose a connecting flight, allow more travel time. Typical one-stop itineraries take around 6 hours 50 minutes. For the quickest trip, a nonstop flight is usually the most comfortable choice.

Question 2

Are there nonstop flights from Denver to St. Louis?

Accepted Answer

Yes, there are nonstop flights from Denver to St. Louis, averaging around 9 to 10 flights per day, operated by, among others, WN, United Airlines and Frontier Airlines. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.

Question 3

Which airlines fly from Denver to St. Louis?

Accepted Answer

Direct flights from Denver to St. Louis are operated by, among others, WN, United Airlines and Frontier Airlines. Connecting flights with one stop are also available, for example with American Airlines (via Charlotte) and Alaska Airlines (via Portland-Oregon). If travel time matters to you, a direct flight is usually the most convenient option. Connecting flights often give you more choice of departure times and airlines.

Question 4

On which days are there nonstop flights from Denver to St. Louis?

Accepted Answer

Nonstop flights from Denver to St. Louis operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.

Question 5

How many flights are there per day from Denver to St. Louis?

Accepted Answer

From Denver to St. Louis, there are on average around 9 to 10 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.

Question 6

How many flights per week are there from Denver to St. Louis?

Accepted Answer

From Denver to St. Louis, there are around 65 to 66 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.

Question 7

When does the first flight from Denver to St. Louis depart?

Accepted Answer

The earliest nonstop flight from Denver to St. Louis usually departs at 6:00 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in St. Louis.

Question 8

When does the last flight from Denver to St. Louis depart?

Accepted Answer

The last nonstop flight from Denver to St. Louis usually departs at 10:05 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.

	Outbound	Return	Airlines	Baggage	Price
Best option Denver St. Louis	Outbound 08/20/26 direct F93302 02h 11min	Return 08/25/26 direct F94567 02h 36min	Frontier Airlines		$128
Denver St. Louis	Outbound 08/20/26 direct F93302 02h 11min	Return 08/25/26 direct F94567 02h 36min	Frontier Airlines		$132
Denver St. Louis	Outbound 08/20/26 direct F93302 02h 11min	Return 08/25/26 direct F94567 02h 36min	Frontier Airlines	?	$133
Denver St. Louis	Outbound 08/20/26 direct F93302 02h 11min	Return 08/25/26 direct F94567 02h 36min	Frontier Airlines		$137
Denver St. Louis	Outbound 08/20/26 direct F93302 02h 11min	Return 08/25/26 direct F94567 02h 36min	Frontier Airlines	?	$140
Denver St. Louis	Outbound 08/20/26 direct F93302 02h 11min	Return 08/25/26 direct F94567 02h 36min	Frontier Airlines		$145
Denver St. Louis	Outbound 08/20/26 1 Stopover (PDX) AS0465, AS1318 08h 02min	Return 08/25/26 direct F94567 02h 36min	Alaska Airlines	?	$371
Denver St. Louis	Outbound 08/20/26 direct UA1639 02h 07min	Return 08/25/26 direct UA0333 02h 30min	United Airlines		$431
Denver St. Louis	Outbound 10/01/26 direct F93302 02h 03min	Return 10/11/26 direct F94567 02h 39min	Frontier Airlines		$443
Denver St. Louis	Outbound 01/01/27 direct F93302 02h 04min	Return 01/08/27 1 Stopover (SEA) AS0388, AS0682 21h 31min	Frontier Airlines		$522

Roundtrip from	$128.00
Flight duration	min. 01:50 / max. 07:30
Return flight duration	min. 02:20/ max. 11:15
Distance	1237 km
Flights per week	123
Departure airport	Airport Denver International Airport, CO (DEN)
Arrival airport	Airport St. Louis - Lambert International Airport (STL)
Destination country	Flights to United States
Departure airport - Destination country	Denver International Airport, CO - United States

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Denver International Airport, CO

St. Louis - Lambert International Airport

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