$89 Cheap flights from Denver Intl. to Washington Dulles Intl. (DEN to IAD)

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Find The Best Dates To Fly from Denver Intl. to Washington Dulles Intl.

Compare Flight Prices from Denver to Washington

Affordable Airfare Tickets from DEN to IAD Airport

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $172 round trip and $89 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Nov 4 - Wed, Nov 5
DEN
Denver
IAD
Washington
$172 Roundtrip, found 6 hours ago
$172
Roundtrip
found 6 hours ago
Select United flight, departing Tue, Nov 4 from Denver to Washington, returning Wed, Nov 5, priced at $172 found 6 hours ago
Tue, Nov 4 - Wed, Nov 5
DEN
Denver
IAD
Washington
$177 Roundtrip, found 6 hours ago
$177
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Tue, Nov 4 from Denver to Washington, returning Wed, Nov 5, priced at $177 found 6 hours ago
Sat, Sep 13 - Sat, Sep 20
DEN
Denver
IAD
Washington
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Sep 13 from Denver to Washington, returning Sat, Sep 20, priced at $179 found 4 days ago
Sat, Aug 30 - Mon, Sep 1
DEN
Denver
IAD
Washington
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 30 from Denver to Washington, returning Mon, Sep 1, priced at $180 found 1 day ago
Tue, Aug 19 - Sat, Aug 23
DEN
Denver
IAD
Washington
$182 Roundtrip, found 2 days ago
$182
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 19 from Denver to Washington, returning Sat, Aug 23, priced at $182 found 2 days ago
Tue, Aug 19 - Fri, Aug 22
DEN
Denver
IAD
Washington
$185 Roundtrip, found 6 hours ago
$185
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Denver to Washington, returning Fri, Aug 22, priced at $185 found 6 hours ago
Thu, Nov 6 - Sat, Nov 8
DEN
Denver
IAD
Washington
$186 Roundtrip, found 1 day ago
$186
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 6 from Denver to Washington, returning Sat, Nov 8, priced at $186 found 1 day ago
Thu, Sep 4 - Thu, Sep 11
DEN
Denver
IAD
Washington
$187 Roundtrip, found 6 days ago
$187
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 4 from Denver to Washington, returning Thu, Sep 11, priced at $187 found 6 days ago
Tue, Aug 19 - Fri, Aug 22
DEN
Denver
IAD
Washington
$188 Roundtrip, found 6 hours ago
$188
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Denver to Washington, returning Fri, Aug 22, priced at $188 found 6 hours ago
Sat, Aug 23 - Thu, Aug 28
DEN
Denver
IAD
Washington
$189 Roundtrip, found 2 days ago
$189
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 23 from Denver to Washington, returning Thu, Aug 28, priced at $189 found 2 days ago

Washington Dulles Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Hotel Arboretum

Hotel Arboretum

2 out of 5
Save 100% on your flight
per person
Aug 12 - Aug 19
found 1 day ago
Roundtrip flight included
Denver (DEN) to Washington (DCA)
Sofitel Washington DC Lafayette Square

Sofitel Washington DC Lafayette Square

5 out of 5
per person
Aug 12 - Aug 19
found 1 day ago
Roundtrip flight included
Denver (DEN) to Washington (DCA)
InterContinental Washington D.C. - The Wharf by IHG

InterContinental Washington D.C. - The Wharf by IHG

5 out of 5
per person
Aug 12 - Aug 19
found 1 day ago
Roundtrip flight included
Denver (DEN) to Washington (DCA)
Holiday Inn Washington Capitol - Natl Mall by IHG

Holiday Inn Washington Capitol - Natl Mall by IHG

3 out of 5
Save 100% on your flight
per person
Aug 12 - Aug 19
found 1 day ago
Roundtrip flight included
Denver (DEN) to Washington (DCA)
Capitol Hill Hotel

Capitol Hill Hotel

4 out of 5
Save 100% on your flight
per person
Aug 12 - Aug 19
found 1 day ago
Roundtrip flight included
Denver (DEN) to Washington (DCA)
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Frequently asked questions

Can I catch a flight from DIA airport to IAD right now?
Make sure you go to our Covid-19 Travel Advisor to learn if there are any present travel advice reports and quarantine requirements in place in IAD when flying from DIA airport.
Are there direct flights from DEN to Washington Dulles Intl. Airport (IAD)?
If you want to journey from DEN to Washington Dulles Intl. Airport (IAD) as quickly as possible, you'll be pleased to know multiple airlines offer nonstop flights. Choose your favorite seat with United Airlines or Southwest Airlines.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Dulles Intl. Airport, please visit our Customer Service Portal.
How long is the flight from DIA airport to IAD?
Flights between Denver Intl. Airport (DEN) and Dulles Intl. Airport usually take around 3 hours and 16 minutes in total. Make the most of your time in the air by resting, reading, exploring the in-flight entertainment or doing all three.
What is the flight distance from DEN to Dulles Intl. Airport?
Covering 1,450 mi between DEN and DEN calls for a glass of vino and a binge-watching session. Adjust your seat, get comfy and enjoy the journey.
What airlines fly from Denver Intl. Airport (DEN) to Dulles Intl. Airport?
If you're heading to Sterling from Denver, there are a few airlines that have direct flights. One of the top carriers is United Airlines (UA), which offers 199 flights on this route every month. You'll want to also browse the deals on offer from Southwest Airlines (WN). This airline operates 47 flights monthly on the Denver to Sterling route. Be sure to compare the two airlines to pick up the best fare.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with United Airlines, Delta or American Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from Denver to Washington

 

Traveling From
Denver Intl.
Traveling To
Washington Dulles Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$172

Route Info

Flight path for flights from Denver International Airport to Washington Dulles International Airport


Origin:
DEN - Denver International Airport
Destination:
IAD - Washington Dulles International Airport
Distance:
1,457.00 miles


Airlines & Aircraft Used on DEN to IAD Flight Routes


Airline Carrier
Aircraft
United Airlines
Canadair Regional Jet

Discover our best flights from Denver DEN to Washington IAD. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Denver DEN to Washington IAD at the right price  

Airfares to Washington IAD from Denver DEN currently cost between $172 and $189. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Denver DEN to Washington IAD 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Denver DEN to Washington IAD on Travelocity starting at $89. Prices and availability subject to change. Additional terms may apply. 

 

Get to Washington IAD from Denver DEN quicker with direct flights. 

Get to Washington faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to IAD from DEN to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Denver DEN to Washington IAD

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to IAD from DEN. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Denver DEN to Washington IAD today 

If you’re flexible about when you travel, November is usually the cheapest month to fly from Denver DEN to Washington IAD. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Washington IAD from Denver DEN 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to IAD from DEN have this option.  

 

Travel with confidence when you book flights to Washington IAD from Denver DEN with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.