Cheap flights from Denver to St. Louis

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Cheap one-way trips starting from £39 from Denver DEN to St. Louis STL

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Cheap round trips starting from £79 from Denver DEN to St. Louis STL

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Travelers usually depart from Denver International, Denver Union Station, Denver Greyhound station, Denver, CO - Federal Center Station, or Denver, CO - Colorado Park & Ride when they travel from Denver to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The distance between Denver and St. Louis is 1236 km. The most popular airlines for this route are WN, United Airlines, American Airlines, Frontier Airlines, and Delta Air Lines. Denver and St. Louis have 111 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights20131421-2221

Fly direct with

Frontier Airlines on Mondays, Thursdays, Fridays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

WN on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Denver to St. Louis

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
WNSWAWNNoUnknownNo
United AirlinesUALUAYesUnknownNo
American AirlinesAALAAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
Delta Air LinesDALDLYesUnknownNo

Frequently asked questions

How long does it take to travel from Denver to St. Louis?

A one-way nonstop (direct) flight between Denver and St. Louis takes around 2.1 hours.

What is the flight distance between Denver and St. Louis?

The flight distance between Denver and St. Louis is 1236 km.

What airlines offer nonstop (direct) flights between Denver and St. Louis?

Several carriers operate flights between Denver and St. Louis. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines, WN.

What are the most popular routes to and from Denver?

Travelers frequently search for route combinations, such as Denver and McCarran International, Miami International, Phoenix Sky Harbor International, San Francisco International, Dallas/Fort Worth International, Ronald Reagan Washington National, Salt Lake City International, San Antonio International, Minneapolis–Saint Paul International, Sacramento International, John Wayne.

What are the most popular routes to and from St. Louis?

Travelers frequently search for route combinations, such as St. Louis and Orlando International, McCarran International, Denver International, Seattle–Tacoma International, Clinton National, Wichita Dwight D. Eisenhower National, Owensboro–Daviess County Regional, Quincy Regional, Williamson County Regional, Waynesville-St. Robert Regional, Kirksville Regional.

Which airports are there in Denver?

Denver is mainly served by Denver International. But there are other airports nearby, including Rocky Mountain Metropolitan Airport, Centennial Airport.

What airports are near Denver?

The main airport in Denver is Denver International. It is also served by Colorado Springs, Eagle County Regional, Laramie Regional, Cheyenne Regional, Pueblo Memorial.

What airports are near St. Louis?

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Williamson County Regional, MidAmerica St. Louis, Central Illinois Regional, Evansville Regional, Columbia Regional, Quincy Regional, Decatur, Waynesville-St. Robert Regional.

What buses and trains depart from Denver?

A number of bus and train companies depart from Denver, including Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Denver and St. Louis?

What is Virtual Interlining and how do I use it?

Which airlines fly between Denver and St. Louis?

When's the best time to travel between Denver and St. Louis?

What flights operate between Denver and St. Louis?

How many airports are there near Denver?

How many airports are there near St. Louis?

Is it possible to reach Denver by bus or train?

What time do nonstop (direct) flights between Denver and St. Louis depart?

What time do nonstop (direct) flights between Denver and St. Louis arrive?

What time do flights between Denver and St. Louis depart?

What time do flights between Denver and St. Louis arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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