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

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Cheap Flights from IAD to DEN starting at $75 One Way, $138 Round Trip

Prices starting at $138 for return flights and $75 for one-way flights to Denver Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Feb 23 - Wed, Feb 25
IAD
Washington
DEN
Denver
$138 Roundtrip, found 1 day ago
$138
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Feb 23 from Washington to Denver, returning Wed, Feb 25, priced at $138 found 1 day ago
Thu, Feb 26 - Mon, Mar 2
IAD
Washington
DEN
Denver
$149 Roundtrip, found 8 hours ago
$149
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Washington to Denver, returning Mon, Mar 2, priced at $149 found 8 hours ago
Thu, Feb 19 - Wed, Feb 25
IAD
Washington
DEN
Denver
$161 Roundtrip, found 21 hours ago
$161
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Thu, Feb 19 from Washington to Denver, returning Wed, Feb 25, priced at $161 found 21 hours ago
Thu, Feb 26 - Tue, Mar 3
IAD
Washington
DEN
Denver
$168 Roundtrip, found 18 hours ago
$168
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Washington to Denver, returning Tue, Mar 3, priced at $168 found 18 hours ago
Sat, Feb 21 - Thu, Feb 26
IAD
Washington
DEN
Denver
$171 Roundtrip, found 12 hours ago
$171
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, Feb 21 from Washington to Denver, returning Thu, Feb 26, priced at $171 found 12 hours ago

IAD to DEN Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York
DEN Address & GPS
Address:
8500 Pena Boulevard
Denver CO, 80249-6340
United States
IATA Code:
DEN
Longitude:
-104.673098
Latitude:
39.851382
Time Zone:
America/Denver

Frequently asked questions

Are there non-stop flights from Dulles Intl. Airport to Denver Airport?
There's no need to swap aircraft during this trip. Direct flights from Washington Dulles Intl. Airport (IAD) to Denver Airport can booked with several airlines. Find the best deal and reserve your favorite seat with United Airlines or Southwest Airlines.
What is the shortest flight from IAD to Denver Airport?
Ask for an in-flight wine and settle into your seat with a fascinating movie or book. With the flight from Washington to Denver taking 3 hours and 54 minutes, there's plenty of time to enjoy the flying experience.
How many hours flight from IAD to DIA airport?
On a normal day, the flight from Washington Dulles Intl. Airport (IAD) to Denver Airport takes 4 hours and 5 minutes. If you want to be as comfy as possible, try upgrading your seat using miles or cash.
What airlines have the most flights from IAD to Denver Airport?
Going on vacation is one of life's greatest pleasures, but how you travel to your destination should be equally as enjoyable. Look into booking your flight from Dulles Intl. Airport to DIA airport with Southwest Airlines (WN). One of the most popular carriers, it offers 43 flights on this route each month. Also research the great fares from United Airlines (UA). Offering 176 flights each month between Washington and Denver, they'll make sure your journey is just as good as the destination.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

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