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

Flights overview

Useful information for finding cheap flights from Washington, D.C. to Denver 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 Washington, D.C. to Denver is currently $210
Cheapest one-way flight	$105	Frontier 1 stop 8 hr Fri, May 29	The cheapest one-way flight from Washington, D.C. to Denver is currently $105
Cheapest nonstop flights	$238	Frontier Nonstop 4 hr Thu, May 28 — Wed, Jun 3	The cheapest nonstop round-trip flight from Washington, D.C. to Denver is currently $238
Last-minute weekend getaway	$280	Frontier 1 stop 17 hr Thu, May 7 — Mon, May 11	The cheapest last-minute weekend getaway from Washington, D.C. to Denver is currently $280
Cheapest business class flights	$458	Frontier 1 stop 14 hr Thu, May 28 — Wed, Jun 3	The cheapest business class round-trip flight from Washington, D.C. to Denver is currently $458

Fastest flight	3 hr 45 min	The fastest nonstop flight from Washington, D.C. to Denver takes 3 hr 45 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 Washington, D.C. to Denver is typically January. The most expensive month to fly is typically June.

January Cheapest	Typical prices: $90–230
June Most expensive	Typical prices: $190–270

Popular airlines from Washington, D.C. to Denver

United

Nonstop

from $341

Typical price: $205–450

77 weekly nonstop flights

BWI, DCA, IAD - DEN Every day

2134 weekly connecting flights

BWI, DCA, IAD - DEN Every day
Southwest

Nonstop

from $331

Typical price: $215–450

47 weekly nonstop flights

BWI, IAD - DEN Every day

1870 weekly connecting flights

BWI, DCA, IAD - DEN Every day
Frontier

Nonstop

from $210

Typical price: $135–280

19 weekly nonstop flights

DCA - DEN Every day

77 weekly connecting flights

BWI, IAD - DEN Every day
Delta

from $351

Typical price: $245–620

902 weekly connecting flights

BWI, DCA, IAD - DEN Every day
American

from $351

Typical price: $235–540

588 weekly connecting flights

BWI, DCA, IAD - DEN Every day
Alaska

from $461

Typical price: $400–890

70 weekly connecting flights

BWI, DCA, IAD - DEN Every day

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

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

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

The cheapest flights from Washington, D.C. to Denver are usually in January. Typical ticket prices in January range from $90 to $230.

The cheapest round-trip flight from Washington, D.C. to Denver 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 Washington, D.C. to Denver is $341, flying from May 28 to Jun 3.
The cheapest Southwest flight from Washington, D.C. to Denver is $331, flying from May 28 to Jun 3.
The cheapest Frontier flight from Washington, D.C. to Denver is $210, flying from May 28 to Jun 3.
The cheapest Delta flight from Washington, D.C. to Denver is $351, flying from May 28 to Jun 3.
The cheapest American flight from Washington, D.C. to Denver is $351, flying from May 28 to Jun 3.
The cheapest Alaska flight from Washington, D.C. to Denver is $461, flying from May 30 to Jun 6.

The cheapest round-trip flight from Washington, D.C. to Denver starts at $210 from Thu, May 28 to Wed, Jun 3. The cheapest one-way flight starts at $105 and departs on Fri, May 29.

3 hr 45 min is the shortest flight time from Washington, D.C. to Denver.

Denver’s mild summer months (Jun–Aug) are a popular time for visitors exploring the city and nearby national parks. The ski season runs through winter (Nov–Mar). Major events include the National Western Stock Show & Rodeo (Jan) and A Taste of Colorado (Sep) food and arts festival.

It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to Denver.
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 Washington, D.C. to Denver 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 Washington, D.C. to Denver.

In terms of nonstop flights, United is the most popular. United offers 77 nonstop flights and 2,134 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .

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

Southwest offers 47 nonstop flights and 1,870 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .
Frontier offers 19 nonstop flights and 77 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Dulles International Airport (IAD) , Ronald Reagan Washington National Airport (DCA) to Denver International Airport (DEN) .
Delta offers 902 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .
American offers 588 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .
Alaska offers 70 connecting flights per week. Alaska flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Denver International Airport (DEN) .

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

The cheapest round-trip flight from Washington, D.C. to Denver 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 Washington, D.C. to Denver is $341, flying from May 28 to Jun 3.
The cheapest Southwest flight from Washington, D.C. to Denver is $331, flying from May 28 to Jun 3.
The cheapest Frontier flight from Washington, D.C. to Denver is $210, flying from May 28 to Jun 3.
The cheapest Delta flight from Washington, D.C. to Denver is $351, flying from May 28 to Jun 3.
The cheapest American flight from Washington, D.C. to Denver is $351, flying from May 28 to Jun 3.
The cheapest Alaska flight from Washington, D.C. to Denver is $461, flying from May 30 to Jun 6.

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

There are 77 United direct flights from Washington, D.C. to Denver per week. Flights are available every day.
There are 47 Southwest direct flights from Washington, D.C. to Denver per week. Flights are available every day.
There are 19 Frontier direct flights from Washington, D.C. to Denver 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 Washington, D.C. and Denver at price $280 is offered by Frontier from Thu, May 7 to Mon, May 11.

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

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

The cheapest direct (nonstop) round-trip flights between Washington, D.C. and Denver start at $238 from Thu, May 28 to Wed, Jun 3 with Frontier.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Washington, D.C. to Denver, 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 Washington, D.C. and Denver start at $458 from Thu, May 28 to Wed, Jun 3 with Frontier.

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

To book business class trips from Washington, D.C. to Denver, 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 Washington, D.C. and Denver starts at $280 from Thu, May 7 to Mon, May 11 with Frontier.

The cheapest last-minute deal between Washington, D.C. and Denver at price $280 is offered by Frontier from Thu, May 7 to Mon, May 11.

To find last-minute flight deals from Washington, D.C. to Denver, 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.