Find Cheap Flights from Denver to Washington, D.C. (DEN - WAS)

Flights overview

Useful information for finding cheap flights from Denver to Washington, D.C. and booking your next trip

Cheapest round-trip flights	$210	Frontier 1 stop 12 hr Thu, May 28 — Wed, Jun 3	The cheapest round-trip flight from Denver to Washington, D.C. is currently $210
Cheapest one-way flight	$105	Frontier 1 stop 9 hr Wed, May 27	The cheapest one-way flight from Denver to Washington, D.C. is currently $105
Cheapest nonstop flights	$238	Frontier Nonstop 4 hr Mon, Jun 1 — Tue, Jun 9	The cheapest nonstop round-trip flight from Denver to Washington, D.C. is currently $238
Last-minute weekend getaway	$261	Frontier 1 stop 24 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from Denver to Washington, D.C. is currently $261
Cheapest business class flights	$458	Frontier 1 stop 12 hr Thu, Jun 4 — Wed, Jun 10	The cheapest business class round-trip flight from Denver to Washington, D.C. is currently $458

Fastest flight	3 hr 15 min	The fastest nonstop flight from Denver to Washington, D.C. takes 3 hr 15 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Denver to Washington, D.C. is typically January. The most expensive month to fly is typically June.

January Cheapest	Typical prices: $85–250
June Most expensive	Typical prices: $185–260

Popular airlines from Denver to Washington, D.C.

United

Nonstop

from $397

Typical price: $205–445

77 weekly nonstop flights

DEN - BWI, DCA, IAD Every day

1815 weekly connecting flights

DEN - BWI, DCA, IAD Every day
Southwest

Nonstop

from $357

Typical price: $215–445

47 weekly nonstop flights

DEN - BWI, IAD Every day

1899 weekly connecting flights

DEN - BWI, DCA, IAD Every day
Frontier

Nonstop

from $210

Typical price: $135–280

19 weekly nonstop flights

DEN - DCA Every day

78 weekly connecting flights

DEN - BWI, IAD Every day
Delta

from $351

Typical price: $245–600

843 weekly connecting flights

DEN - BWI, DCA, IAD Every day
American

from $351

Typical price: $235–520

708 weekly connecting flights

DEN - BWI, DCA, IAD Every day
Alaska

from $521

Typical price: $390–890

77 weekly connecting flights

DEN - BWI, DCA, IAD Every day

Popular airports near Denver

Denver International Airport (DEN)

Denver United States 38 min 19 mi
Colorado Springs Airport (COS)

Colorado Springs United States 1 hr 27 min 66 mi
Centennial Airport (APA)

Denver United States 27 min 14 mi
Eagle County Regional Airport (EGE)

Vail United States 2 hr 19 min 103 mi

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 19 min 4 mi
Dulles International Airport (IAD)

Washington United States 54 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 47 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 18 min 116 mi

Frequently asked questions about flying from Denver to Washington, D.C.

The cheapest flights from Denver to Washington, D.C. are usually in January. Typical ticket prices in January range from $85 to $250.

The cheapest round-trip flight from Denver to Washington, D.C. recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Denver to Washington, D.C. is $397, flying from Jun 29 to Jul 7.
The cheapest Southwest flight from Denver to Washington, D.C. is $357, flying from May 28 to Jun 3.
The cheapest Frontier flight from Denver to Washington, D.C. is $210, flying from May 28 to Jun 3.
The cheapest Delta flight from Denver to Washington, D.C. is $351, flying from Jun 4 to Jun 10.
The cheapest American flight from Denver to Washington, D.C. is $351, flying from Jun 4 to Jun 10.
The cheapest Alaska flight from Denver to Washington, D.C. is $521, flying from Jun 6 to Jun 15.

The cheapest round-trip flight from Denver to Washington, D.C. starts at $210 from Thu, May 28 to Wed, Jun 3. The cheapest one-way flight starts at $105 and departs on Wed, May 27.

3 hr 15 min is the shortest flight time from Denver to Washington, D.C..

Mid-Mar–Jun is Washington DC's busiest time, with many people timing their visits to coincide with cherry blossom season (late Mar–mid Apr). Washington DC’s conference centers and hotels also bustle while Congress is in session (Sep–Nov and mid-Jan–Jun). Jul–Aug tend to be hot and humid, while snowfall can vary widely in winter. The city’s most popular events are the annual Cherry Blossom Festival in spring, the 4th of July celebration in summer, and the lighting of the National Christmas Tree in winter.

It's easy to use Google Flights to find the cheapest days to fly from Denver to Washington, D.C..
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Denver to Washington, D.C. really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Denver to Washington, D.C..

In terms of nonstop flights, United is the most popular. United offers 77 nonstop flights and 1,815 connecting flights per week. United flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

In terms of flights, Southwest is the most popular. Southwest offers 47 nonstop flights and 1,899 connecting flights per week. Southwest flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

Other popular airlines flying from Denver to Washington, D.C. are:

Frontier offers 19 nonstop flights and 78 connecting flights per week. Frontier flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Dulles International Airport (IAD) , Ronald Reagan Washington National Airport (DCA) .
Delta offers 843 connecting flights per week. Delta flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
American offers 708 connecting flights per week. American flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Alaska offers 77 connecting flights per week. Alaska flies from Denver International Airport (DEN) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

The number of connecting flights refers to distinct flights with at least one stop between Denver and Washington, D.C..

The cheapest round-trip flight from Denver to Washington, D.C. recently found on Google Flights was with Frontier from $210. The cheapest one-way flight was with Frontier from $105.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Denver to Washington, D.C. is $397, flying from Jun 29 to Jul 7.
The cheapest Southwest flight from Denver to Washington, D.C. is $357, flying from May 28 to Jun 3.
The cheapest Frontier flight from Denver to Washington, D.C. is $210, flying from May 28 to Jun 3.
The cheapest Delta flight from Denver to Washington, D.C. is $351, flying from Jun 4 to Jun 10.
The cheapest American flight from Denver to Washington, D.C. is $351, flying from Jun 4 to Jun 10.
The cheapest Alaska flight from Denver to Washington, D.C. is $521, flying from Jun 6 to Jun 15.

Southwest, United and Frontier fly direct from Denver to Washington, D.C..

There are 77 United direct flights from Denver to Washington, D.C. per week. Flights are available every day.
There are 47 Southwest direct flights from Denver to Washington, D.C. per week. Flights are available every day.
There are 19 Frontier direct flights from Denver to Washington, D.C. per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Denver and Washington, D.C. at price $261 is offered by Frontier from Sat, May 9 to Sun, May 10.

Southwest, United and Frontier fly direct from Denver to Washington, D.C..

There are 77 United direct flights from Denver to Washington, D.C. per week. Flights are available every day.
There are 47 Southwest direct flights from Denver to Washington, D.C. per week. Flights are available every day.
There are 19 Frontier direct flights from Denver to Washington, D.C. per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Denver to Washington, D.C. on a daily basis.

The cheapest direct (nonstop) round-trip flights between Denver and Washington, D.C. start at $238 from Mon, Jun 1 to Tue, Jun 9 with Frontier.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Denver to Washington, D.C., just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Denver and Washington, D.C. start at $458 from Thu, Jun 4 to Wed, Jun 10 with Frontier.

The cheapest economy class round-trip flights between Denver and Washington, D.C. start at $210 from Thu, May 28 to Wed, Jun 3.

To book business class trips from Denver to Washington, D.C., look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Denver and Washington, D.C. starts at $261 from Sat, May 9 to Sun, May 10 with Frontier.

The cheapest last-minute deal between Denver and Washington, D.C. at price $261 is offered by Frontier from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from Denver to Washington, D.C., start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.