Find Deals on Flights from Washington Dulles Intl to Denver International (IAD - DEN)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Washington Dulles Intl to Denver International

(Round-trip)
Depart: Sun May 29 2016 Return: Sat Jul 9 2016 Trip spans 42 days
Depart: Sat Sep 17 2016 Return: Wed Sep 21 2016 Trip spans 5 days
Depart: Sat Sep 3 2016 Return: Thu Sep 8 2016 Trip spans 6 days
Depart: Sat Jun 11 2016 Return: Tue Jun 14 2016 Trip spans 4 days
Depart: Mon Oct 31 2016 Return: Sun Nov 6 2016 Trip spans 7 days
Depart: Sat Aug 27 2016 Return: Wed Aug 31 2016 Trip spans 5 days
Depart: Fri Sep 9 2016 Return: Sat Sep 17 2016 Trip spans 9 days
Depart: Wed Sep 7 2016 Return: Tue Sep 13 2016 Trip spans 7 days
Depart: Tue Oct 4 2016 Return: Tue Oct 11 2016 Trip spans 8 days
Depart: Wed Oct 12 2016 Return: Sat Oct 15 2016 Trip spans 4 days
Depart: Sat Sep 10 2016 Return: Sat Sep 17 2016 Trip spans 8 days
Depart: Wed Oct 5 2016 Return: Sun Oct 9 2016 Trip spans 5 days
Depart: Tue Oct 18 2016 Return: Tue Oct 25 2016 Trip spans 8 days
Depart: Thu Sep 1 2016 Return: Sun Sep 4 2016 Trip spans 4 days
Depart: Tue Sep 13 2016 Return: Tue Sep 20 2016 Trip spans 8 days
Depart: Wed Oct 19 2016 Return: Tue Oct 25 2016 Trip spans 7 days
Depart: Wed Aug 10 2016 Return: Tue Aug 16 2016 Trip spans 7 days
Depart: Sun Sep 4 2016 Return: Mon Sep 12 2016 Trip spans 9 days
Depart: Wed Sep 14 2016 Return: Tue Sep 20 2016 Trip spans 7 days
Depart: Tue Oct 25 2016 Return: Sat Oct 29 2016 Trip spans 5 days
Direct flights IAD to DEN on United
Flight # Depart IAD Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
1481 6:40 am 8:36 am Jul 1 - Jul 9
1481 6:40 am 8:37 am Jun 9 - Jun 30
1481 6:41 am 8:41 am Jun 6 - Jun 8
1481 6:41 am 8:41 am May 24 - Jun 3
1481 6:41 am 8:39 am May 29 - Jun 5
403 8:15 am 10:11 am Jul 4 - Jul 4
403 8:15 am 10:11 am Jul 3 - Jul 3
403 8:15 am 10:11 am Jun 30 - Jun 30
403 8:15 am 10:11 am Jul 1 - Jul 1
403 8:15 am 10:11 am Jul 2 - Aug 6
403 8:16 am 10:13 am Jun 5 - Jun 5
403 8:16 am 10:13 am Jun 1 - Jun 8
403 8:19 am 10:15 am Jun 19 - Jun 19
403 8:19 am 10:15 am Jun 27 - Jun 27
403 8:20 am 10:16 am Jun 4 - Jun 4
403 8:23 am 10:19 am Jun 9 - Jun 24
403 8:23 am 10:19 am Jun 11 - Jun 25
403 8:23 am 10:17 am Jun 29 - Jun 29
403 8:23 am 10:19 am Jun 28 - Jun 28
403 8:23 am 10:19 am Jun 26 - Jun 26
403 8:23 am 10:19 am Jun 12 - Jun 12
376 9:30 am 11:26 am Jul 2 - Jul 2
1183 9:35 am 11:31 am Jun 14 - Jun 28
735 12:30 pm 2:16 pm Jun 25 - Jun 25
735 12:30 pm 2:30 pm Jun 4 - Jun 4
735 12:30 pm 2:18 pm Jun 13 - Jun 27
735 12:30 pm 2:16 pm Jun 11 - Jun 18
735 12:30 pm 2:18 pm Jun 9 - Jun 9
735 12:30 pm 2:30 pm May 25 - Jun 3
735 12:30 pm 2:18 pm Jun 10 - Jun 30
735 12:30 pm 2:30 pm Jun 6 - Jun 8
735 12:30 pm 2:30 pm Jun 5 - Jun 5
735 12:40 pm 2:40 pm May 31 - Jun 7
735 12:50 pm 2:38 pm Jul 3 - Jul 4
735 12:50 pm 2:38 pm Jul 1 - Jul 8
735 12:52 pm 2:40 pm Jul 2 - Jul 2
696 2:34 pm 4:23 pm Jul 1 - Aug 12
696 2:35 pm 4:24 pm Jul 3 - Aug 28
696 2:35 pm 4:22 pm Jun 12 - Jun 26
696 2:35 pm 4:24 pm Jun 29 - Jul 7
696 2:35 pm 4:24 pm Jun 9 - Jun 24
696 2:35 pm 4:24 pm Jun 14 - Sep 6
696 2:40 pm 4:40 pm May 26 - Jun 3
696 2:40 pm 4:40 pm Jun 5 - Jun 8
696 2:40 pm 4:40 pm May 24 - Jun 7
542 4:15 pm 6:13 pm May 28 - Jun 4
542 4:15 pm 6:13 pm May 29 - Jun 5
542 4:15 pm 6:10 pm Jun 8 - Jun 8
542 4:15 pm 6:15 pm Jun 2 - Jun 7
542 4:19 pm 6:15 pm Jul 1 - Jul 12
542 4:26 pm 6:33 pm Jun 22 - Jun 30
542 4:26 pm 6:33 pm Jun 9 - Jun 21
542 4:30 pm 6:37 pm Jun 11 - Jun 26
542 4:39 pm 6:46 pm Jun 15 - Jun 15
980 5:48 pm 7:52 pm Jul 3 - Jul 3
980 5:50 pm 7:54 pm Jul 1 - Aug 12
980 5:50 pm 7:54 pm Jul 2 - Aug 13
980 5:50 pm 7:54 pm Jul 4 - Jul 4
980 5:50 pm 7:57 pm Jun 30 - Jun 30
980 5:55 pm 8:02 pm Jun 26 - Jun 26
980 5:55 pm 8:02 pm Jun 9 - Jun 24
980 5:55 pm 8:02 pm Jun 27 - Jun 27
980 5:55 pm 8:02 pm Jun 28 - Jun 28
980 5:55 pm 8:02 pm Jun 29 - Jun 29
980 5:55 pm 8:02 pm Jun 12 - Jun 12
980 5:57 pm 7:59 pm Jun 1 - Jun 6
980 5:57 pm 7:59 pm Jun 3 - Jun 3
980 5:57 pm 8:04 pm Jun 19 - Jun 19
980 5:57 pm 7:59 pm Jun 5 - Jun 5
980 5:57 pm 7:59 pm Jun 4 - Jun 4
1183 6:02 pm 8:04 pm Jun 8 - Jun 8
980 6:02 pm 8:04 pm Jun 7 - Jun 7
980 6:08 pm 8:15 pm Jun 11 - Jun 25
505 7:11 pm 9:08 pm Jun 7 - Jun 7
505 7:11 pm 9:10 pm May 25 - Jun 3
505 7:11 pm 9:10 pm Jun 8 - Jun 8
505 7:11 pm 9:10 pm Jun 6 - Jun 6
505 7:12 pm 9:05 pm Jul 1 - Jul 8
505 7:12 pm 9:05 pm Jul 2 - Aug 13
505 7:20 pm 9:11 pm Jun 11 - Jun 25
505 7:26 pm 9:25 pm Jun 5 - Jun 5
505 7:27 pm 9:18 pm Jun 30 - Jun 30
505 7:27 pm 9:18 pm Jun 9 - Jun 27
505 7:27 pm 9:18 pm Jun 29 - Jun 29
505 7:27 pm 9:13 pm Jun 28 - Jun 28
505 7:32 pm 9:23 pm Jun 12 - Jun 26
1849 8:30 pm 10:21 pm Jul 1 - Aug 12
554 10:20 pm 12:08 am Jun 17 - Jun 24
554 10:20 pm 12:08 am Jun 9 - Jun 10
554 10:20 pm 12:17 am Jun 8 - Jun 8
554 10:29 pm 12:26 am May 25 - Jun 3
554 10:29 pm 12:26 am Jun 4 - Jun 4
554 10:29 pm 12:26 am Jun 5 - Jun 7
554 10:30 pm 12:16 am Jun 25 - Jun 25
554 10:30 pm 12:18 am Jun 13 - Jun 30
554 10:30 pm 12:16 am Jun 11 - Jun 18
554 10:30 pm 12:18 am Jul 1 - Aug 12
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We make every attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

We aggregate tons of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we don't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find on occasion that certain prices are no longer available.

More questions or if you have a bad price to report to us
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Airports
Origin

Washington
$170
Destination

Denver
$170