Cheap flights from Washington, D.C. to Denver

Choose between United Airlines, Southwest Airlines, or American Airlines to find the best price

Travelers usually depart from Washington Dulles International, Baltimore–Washington International, Ronald Reagan Washington National, Washington Union Station, or Washington-Rosslyn when they travel from Washington, D.C. to Denver. Book your trip to arrive at Denver International, Denver Union Station, or Denver Greyhound station. The distance between Washington, D.C. and Denver is 2396 km. The most popular airlines for this route are United Airlines, Southwest Airlines, American Airlines, Delta Air Lines, and Frontier Airlines. Washington, D.C. and Denver have 206 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights37384354-304

Fly direct with

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

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

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

Check-in for a flight from Washington, D.C. to Denver

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

Frequently asked questions

How long does it take to travel from Washington, D.C. to Denver?

A one-way nonstop (direct) flight between Washington, D.C. and Denver takes around 4.0 hours.

What is the flight distance between Washington, D.C. and Denver?

The flight distance between Washington, D.C. and Denver is 2396 km.

What airlines offer nonstop (direct) flights between Washington, D.C. and Denver?

Several carriers operate flights between Washington, D.C. and Denver. Airlines offering nonstop (direct) flights include United Airlines, Southwest Airlines, Frontier Airlines.

What are the most popular routes to and from Washington, D.C.?

Travelers frequently search for route combinations, such as Washington, D.C. and John F. Kennedy International, Miami International, Orlando International, Fort Lauderdale–Hollywood International, Denver International, Hartsfield–Jackson Atlanta International, Dallas/Fort Worth International, Luis Muñoz Marín International, George Bush Intercontinental, Logan International, Tampa International.

What are the most popular routes to and from Denver?

Travelers frequently search for route combinations, such as Denver and Los Angeles International, McCarran International, Miami International, Phoenix Sky Harbor International, Baltimore–Washington International, O Hare International, Minneapolis–Saint Paul International, Philadelphia International, Austin–Bergstrom International, Detroit Metropolitan, Sacramento International.

Which airports are there in Washington, D.C.?

Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.

What airports are near Washington, D.C.?

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Trenton–Mercer, Harrisburg International, Lehigh Valley International, Lancaster, Hagerstown Regional, Shenandoah Valley Regional.

What airports are near Denver?

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

What buses and trains depart from Washington, D.C.?

A number of bus and train companies depart from Washington, D.C., including Peter Pan Bus, Amtrak train.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Washington, D.C. and Denver?

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Which airlines fly between Washington, D.C. and Denver?

When's the best time to travel between Washington, D.C. and Denver?

What flights operate between Washington, D.C. and Denver?

How many airports are there near Washington, D.C.?

How many airports are there near Denver?

Is it possible to reach Washington, D.C. by bus or train?

What time do nonstop (direct) flights between Washington, D.C. and Denver depart?

What time do nonstop (direct) flights between Washington, D.C. and Denver arrive?

What time do flights between Washington, D.C. and Denver depart?

What time do flights between Washington, D.C. and Denver 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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