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: Mon Oct 17 2016 Return: Tue Oct 25 2016 Trip spans 9 days
Depart: Tue Oct 18 2016 Return: Tue Oct 25 2016 Trip spans 8 days
Depart: Sat Sep 17 2016 Return: Tue Sep 20 2016 Trip spans 4 days
Depart: Tue Nov 8 2016 Return: Sat Nov 12 2016 Trip spans 5 days
Depart: Mon Nov 21 2016 Return: Thu Nov 24 2016 Trip spans 4 days
Depart: Wed Oct 19 2016 Return: Thu Oct 27 2016 Trip spans 9 days
Depart: Tue Sep 6 2016 Return: Mon Sep 26 2016 Trip spans 21 days
Depart: Mon Sep 5 2016 Return: Fri Sep 9 2016 Trip spans 5 days
Depart: Sun Sep 18 2016 Return: Fri Sep 30 2016 Trip spans 13 days
Depart: Wed Sep 7 2016 Return: Fri Sep 16 2016 Trip spans 10 days
Depart: Sat Nov 12 2016 Return: Tue Nov 15 2016 Trip spans 4 days
Depart: Mon Sep 19 2016 Return: Fri Sep 30 2016 Trip spans 12 days
Depart: Fri Sep 16 2016 Return: Fri Sep 23 2016 Trip spans 8 days
Depart: Wed Nov 9 2016 Return: Tue Nov 15 2016 Trip spans 7 days
Depart: Sat Oct 1 2016 Return: Tue Oct 4 2016 Trip spans 4 days
Depart: Tue Sep 20 2016 Return: Fri Oct 7 2016 Trip spans 18 days
Depart: Sat Nov 5 2016 Return: Sat Nov 12 2016 Trip spans 8 days
Depart: Thu Nov 24 2016 Return: Tue Nov 29 2016 Trip spans 6 days
Depart: Thu Sep 15 2016 Return: Mon Sep 26 2016 Trip spans 12 days
Depart: Fri Oct 28 2016 Return: Tue Nov 1 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
435 5:20 am 7:14 am Sep 12 - Oct 3
435 5:25 am 7:23 am Sep 6 - Sep 6
435 7:00 am 8:55 am Sep 2 - Sep 2
423 7:04 am 8:58 am Sep 7 - Sep 7
403 8:15 am 10:13 am Sep 6 - Sep 6
403 8:16 am 10:10 am Sep 17 - Oct 1
403 8:16 am 10:10 am Sep 7 - Sep 10
403 8:20 am 10:18 am Sep 5 - Sep 5
403 8:22 am 10:20 am Sep 2 - Sep 2
403 8:25 am 10:19 am Sep 18 - Sep 18
403 8:25 am 10:19 am Sep 19 - Oct 5
403 8:25 am 10:19 am Sep 25 - Sep 25
403 8:25 am 10:19 am Oct 2 - Oct 2
403 8:25 am 10:19 am Sep 8 - Sep 16
403 8:27 am 10:21 am Sep 13 - Sep 13
403 8:28 am 10:26 am Sep 4 - Sep 4
403 8:35 am 10:33 am Sep 3 - Sep 3
1991 9:30 am 11:22 am Sep 11 - Sep 11
1991 9:30 am 11:22 am Sep 25 - Oct 2
1991 9:48 am 11:40 am Sep 18 - Sep 18
735 12:40 pm 2:38 pm Sep 18 - Sep 18
735 12:40 pm 2:38 pm Sep 24 - Sep 24
735 12:40 pm 2:38 pm Sep 3 - Sep 3
735 12:40 pm 2:38 pm Sep 1 - Sep 6
735 12:40 pm 2:38 pm Sep 5 - Sep 5
735 12:40 pm 2:38 pm Sep 4 - Sep 4
735 12:40 pm 2:38 pm Sep 7 - Sep 7
735 12:40 pm 2:38 pm Sep 23 - Oct 3
735 12:40 pm 2:38 pm Sep 17 - Sep 17
735 12:40 pm 2:38 pm Sep 25 - Oct 2
735 12:40 pm 2:38 pm Sep 16 - Sep 16
735 12:40 pm 2:38 pm Sep 14 - Sep 22
735 12:40 pm 2:38 pm Sep 12 - Sep 13
735 12:40 pm 2:38 pm Sep 11 - Sep 11
735 12:40 pm 2:38 pm Sep 9 - Sep 9
735 12:40 pm 2:38 pm Sep 10 - Sep 10
735 12:40 pm 2:38 pm Sep 8 - Sep 8
735 12:40 pm 2:38 pm Oct 1 - Oct 1
735 12:40 pm 2:38 pm Sep 29 - Sep 29
696 2:35 pm 4:24 pm Aug 24 - Sep 9
696 2:35 pm 4:24 pm Sep 19 - Oct 10
696 2:35 pm 4:24 pm Sep 18 - Sep 18
696 2:35 pm 4:24 pm Sep 11 - Sep 16
696 2:35 pm 4:24 pm Aug 23 - Oct 11
542 3:54 pm 5:43 pm Sep 3 - Sep 3
542 4:00 pm 5:49 pm Aug 23 - Sep 2
542 4:00 pm 5:49 pm Sep 10 - Sep 10
542 4:00 pm 5:49 pm Sep 6 - Sep 6
542 4:07 pm 5:56 pm Sep 11 - Sep 11
542 4:10 pm 5:59 pm Sep 5 - Sep 5
542 4:13 pm 6:02 pm Sep 17 - Oct 1
542 4:20 pm 6:09 pm Sep 30 - Oct 5
542 4:20 pm 6:09 pm Sep 8 - Sep 9
542 4:20 pm 6:09 pm Sep 16 - Sep 16
542 4:20 pm 6:09 pm Sep 21 - Sep 28
542 4:20 pm 6:09 pm Sep 14 - Sep 14
542 4:20 pm 6:09 pm Sep 29 - Sep 29
542 4:20 pm 6:09 pm Sep 25 - Sep 26
542 4:20 pm 6:09 pm Sep 7 - Sep 7
542 4:20 pm 6:09 pm Sep 18 - Sep 23
542 4:21 pm 6:10 pm Sep 15 - Sep 15
542 4:23 pm 6:12 pm Sep 13 - Oct 4
542 4:26 pm 6:15 pm Sep 12 - Sep 12
980 5:05 pm 7:15 pm Aug 27 - Sep 3
980 5:05 pm 7:15 pm Sep 6 - Sep 6
980 5:05 pm 7:15 pm Sep 2 - Sep 2
980 5:05 pm 7:15 pm Sep 5 - Sep 5
980 5:05 pm 7:15 pm Sep 4 - Sep 4
980 5:10 pm 7:16 pm Sep 7 - Sep 14
980 5:10 pm 7:16 pm Sep 20 - Oct 4
980 5:10 pm 7:16 pm Sep 12 - Oct 3
980 5:10 pm 7:15 pm Sep 10 - Oct 1
980 5:14 pm 7:15 pm Sep 11 - Oct 2
505 7:12 pm 8:57 pm Aug 31 - Sep 6
505 7:30 pm 9:15 pm Aug 26 - Sep 2
505 7:30 pm 9:11 pm Sep 11 - Oct 2
505 7:30 pm 9:13 pm Sep 12 - Sep 19
505 7:30 pm 9:13 pm Sep 10 - Oct 1
505 7:30 pm 9:13 pm Sep 16 - Sep 16
505 7:30 pm 9:13 pm Oct 3 - Oct 3
505 7:30 pm 9:13 pm Sep 15 - Sep 22
505 7:30 pm 9:13 pm Sep 23 - Sep 29
505 7:30 pm 9:13 pm Sep 30 - Sep 30
897 9:00 pm 10:45 pm Sep 11 - Oct 2
554 10:20 pm 12:05 am Sep 7 - Sep 14
554 10:20 pm 12:05 am Sep 10 - Oct 3
554 10:20 pm 12:05 am Sep 11 - Oct 2
554 10:20 pm 12:05 am Sep 20 - Oct 5
554 10:25 pm 12:10 am Sep 4 - Sep 4
554 10:25 pm 12:10 am Aug 23 - Sep 2
554 10:25 pm 12:10 am Sep 6 - Sep 6
554 10:25 pm 12:10 am Sep 5 - Sep 5
554 10:25 pm 12:10 am Aug 27 - Sep 3
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

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

We compile tonnes 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 can'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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Washington
$167
Destination

Denver
$167
Airlines Airline reviews

94 travelers who booked a flight from Washington to Denver rated their chosen airlines with an average of 5.9.

Overall
6.2
Boarding
6.5
Crew
7.0
Comfort
5.6
Food
4.8
Entertainment
4.8