$130 Cheap flights from Washington Dulles Intl. to Denver Intl. (IAD to DEN)

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

Compare Flight Prices from Washington to Denver

Affordable Airfare Tickets from IAD to DEN Airport

The cheapest flights to Denver Intl. found within the past 7 days were $244 round trip and $130 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Oct 20 - Tue, Oct 27
IAD
Washington
DEN
Denver
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Oct 20 from Washington to Denver, returning Tue, Oct 27, priced at $244 found 3 days ago
Sat, Oct 17 - Sat, Oct 17
IAD
Washington
DEN
Denver
$248 Roundtrip, found 4 days ago
$248
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Washington to Denver, returning Sat, Oct 17, priced at $248 found 4 days ago
Mon, Nov 9 - Tue, Nov 17
IAD
Washington
DEN
Denver
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Nov 9 from Washington to Denver, returning Tue, Nov 17, priced at $250 found 2 days ago
Sun, Nov 8 - Fri, Nov 13
IAD
Washington
DEN
Denver
$253 Roundtrip, found 4 days ago
$253
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 8 from Washington to Denver, returning Fri, Nov 13, priced at $253 found 4 days ago
Thu, Nov 12 - Sun, Nov 15
IAD
Washington
DEN
Denver
$260 Roundtrip, just found
$260
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 12 from Washington to Denver, returning Sun, Nov 15, priced at $260 just found
Fri, Nov 13 - Sun, Nov 15
IAD
Washington
DEN
Denver
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Fri, Nov 13 from Washington to Denver, returning Sun, Nov 15, priced at $263 found 2 days ago
Mon, Sep 28 - Wed, Sep 30
IAD
Washington
DEN
Denver
$264 Roundtrip, just found
$264
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 28 from Washington to Denver, returning Wed, Sep 30, priced at $264 just found
Sun, Nov 8 - Fri, Nov 13
IAD
Washington
DEN
Denver
$268 Roundtrip, found 4 days ago
$268
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 8 from Washington to Denver, returning Fri, Nov 13, priced at $268 found 4 days ago
Wed, Oct 7 - Fri, Oct 9
IAD
Washington
DEN
Denver
$270 Roundtrip, just found
$270
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Oct 7 from Washington to Denver, returning Fri, Oct 9, priced at $270 just found
Fri, Sep 25 - Tue, Sep 29
IAD
Washington
DEN
Denver
$274 Roundtrip, just found
$274
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 25 from Washington to Denver, returning Tue, Sep 29, priced at $274 just found

Denver Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
A-Lodge Boulder

A-Lodge Boulder

3 out of 5
Price was $818, price is now $621 per person
$621
per person
Oct 1 - Oct 5
found 15 hours ago
Roundtrip flight included
Washington (DCA) to Denver (DEN)
The Jacquard, Autograph Collection

The Jacquard, Autograph Collection

4.5 out of 5
Save 100% on your flight
Price was $1,545, price is now $1,063 per person
$1,063
per person
Oct 6 - Oct 11
found 18 hours ago
Roundtrip flight included
Washington (DCA) to Denver (DEN)
The Brown Palace Hotel and Spa, Autograph Collection

The Brown Palace Hotel and Spa, Autograph Collection

4.5 out of 5
Save 100% on your flight
Price was $1,265, price is now $964 per person
$964
per person
Oct 6 - Oct 11
found 18 hours ago
Roundtrip flight included
Washington (DCA) to Denver (DEN)
Renaissance Denver Hotel & Conference Center

Renaissance Denver Hotel & Conference Center

4 out of 5
Price was $822, price is now $654 per person
$654
per person
Oct 6 - Oct 11
found 18 hours ago
Roundtrip flight included
Washington (DCA) to Denver (DEN)
Discovery Lodge

Discovery Lodge

3 out of 5
Price was $863, price is now $686 per person
$686
per person
Oct 1 - Oct 5
found 15 hours ago
Roundtrip flight included
Washington (DCA) to Denver (DEN)
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Frequently asked questions

Are there direct flights from Washington Dulles Intl. Airport (IAD) to Denver Airport?
United Airlines and Southwest Airlines are among the airlines that operate nonstop flights from Dulles Intl. Airport to Denver Airport. If you're keen to get to your destination fast, these are the airlines for you.
How long is the flight from IAD to DEN?
The travel time between Dulles Intl. Airport and Denver Intl. Airport (DEN) is ordinarily around 3 hours and 55 minutes. Make your trip pleasant by downloading a movie or a few TV shows on your laptop or tablet and enjoying them with your seat reclined.
What is the flight distance from Washington Dulles Intl. Airport (IAD) to Denver Airport?
The flight distance from Dulles Intl. Airport to DEN is 1,450 mi. Be sure to bring along a magazine or a crossword puzzle to make your journey more relaxing.
What airlines fly from Dulles Intl. Airport to DEN?
If you want to get to Denver from Sterling, there are several airlines advertising direct flights. One of the most popular is United Airlines (UA), which operates 199 flights on this route each month. If that's not enough for you, look up Southwest Airlines (WN). This airline has 47 flights every month. Between the two, we're sure you'll find a deal that's perfect for you.
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 Washington to Denver

 

Traveling From
Washington Dulles Intl.
Traveling To
Denver Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$244

Route Info

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


Origin:
IAD - Washington Dulles International Airport
Destination:
DEN - Denver International Airport
Distance:
1,481.00 miles


Airlines & Aircraft Used on IAD to DEN Flight Routes


Airline Carrier
Aircraft
American Airlines
Boeing 737 all pax models
United Airlines
Avro RJ85 Avroliner
United Airlines
Canadair Regional Jet 200

Discover our best flights from Washington IAD to Denver DEN. 

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 Washington IAD to Denver DEN at the right price  

Airfares to Denver DEN from Washington IAD currently cost between $244 and $274. 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 Washington IAD to Denver DEN 

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 Washington IAD to Denver DEN on Travelocity starting at $130. Prices and availability subject to change. Additional terms may apply. 

 

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

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

 

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

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to DEN from IAD. 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 Washington IAD to Denver DEN today 

If you’re flexible about when you travel, October is usually the cheapest month to fly from Washington IAD to Denver DEN. 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 Denver DEN from Washington IAD 

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

 

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

Explore More Ways to Travel with Travelocity

*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.