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: Sat Apr 22 2017 Return: Tue Apr 25 2017 Trip spans 4 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:59p
IAD
11:19p
3h 20m
nonstop
Depart: Fri Apr 21 2017 Return: Sat Apr 22 2017 Trip spans 2 days
Major Airline
Major Airline
IAD
10:55a
DEN
2:57p
4h 02m
nonstop
DEN
3:59p
IAD
7:19p
3h 20m
nonstop
Depart: Thu Apr 20 2017 Return: Mon May 1 2017 Trip spans 12 days
Delta
Delta
IAD
2:30a
DEN
8:13a
5h 43m
1 stop
DEN
11:02a
IAD
6:15p
7h 13m
1 stop
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:59p
IAD
11:19p
3h 20m
nonstop
Depart: Fri Sep 22 2017 Return: Tue Sep 26 2017 Trip spans 5 days
JetBlue
JetBlue
IAD
2:20a
DEN
8:56p
18h 36m
1 stop
DEN
7:56p
IAD
8:00a
12h 04m
1 stop
Depart: Wed Apr 19 2017 Return: Tue Apr 25 2017 Trip spans 7 days
United
United
IAD
3:28p
DEN
7:25p
3h 57m
nonstop
DEN
5:50a
IAD
9:09a
3h 19m
nonstop
Depart: Sat Apr 29 2017 Return: Tue May 2 2017 Trip spans 4 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:59p
IAD
11:19p
3h 20m
nonstop
Depart: Tue May 2 2017 Return: Wed May 3 2017 Trip spans 2 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:59p
IAD
11:19p
3h 20m
nonstop
Depart: Tue May 9 2017 Return: Wed May 10 2017 Trip spans 2 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:55p
IAD
11:15p
3h 20m
nonstop
Depart: Mon Apr 17 2017 Return: Tue Apr 25 2017 Trip spans 9 days
Major Airline
Major Airline
IAD
1:50a
DEN
5:00p
15h 10m
1 stop
DEN
11:00p
IAD
7:49a
8h 49m
1 stop
Depart: Wed May 10 2017 Return: Tue May 23 2017 Trip spans 14 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:55p
IAD
11:15p
3h 20m
nonstop
Depart: Tue May 30 2017 Return: Mon Jun 5 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
10:55a
DEN
2:57p
4h 02m
nonstop
DEN
3:55p
IAD
7:19p
3h 24m
nonstop
Depart: Tue May 16 2017 Return: Tue May 23 2017 Trip spans 8 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:55p
IAD
11:15p
3h 20m
nonstop
Depart: Fri Apr 7 2017 Return: Wed Apr 19 2017 Trip spans 13 days
American Airlines
American Airlines
IAD
1:05a
DEN
7:03a
5h 58m
1 stop
DEN
2:15a
IAD
8:15a
6h 00m
1 stop
Depart: Tue Apr 18 2017 Return: Tue Apr 25 2017 Trip spans 8 days
Delta
Delta
IAD
8:10a
DEN
2:35p
6h 25m
1 stop
DEN
7:59p
IAD
2:52a
6h 53m
1 stop
Depart: Wed May 17 2017 Return: Tue May 23 2017 Trip spans 7 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:55p
IAD
11:15p
3h 20m
nonstop
Depart: Fri Apr 14 2017 Return: Mon Apr 24 2017 Trip spans 11 days
Major Airline
Major Airline
IAD
1:50a
DEN
5:00p
15h 10m
1 stop
DEN
4:00a
IAD
12:55p
8h 55m
1 stop
Depart: Wed Aug 23 2017 Return: Sat Sep 2 2017 Trip spans 11 days
United
United
IAD
1:30a
DEN
5:21a
3h 51m
nonstop
DEN
5:52a
IAD
9:17a
3h 25m
nonstop
Depart: Sun Apr 23 2017 Return: Thu Apr 27 2017 Trip spans 5 days
Delta
Delta
IAD
1:35a
DEN
7:58a
6h 23m
1 stop
DEN
11:15a
IAD
6:15p
7h 00m
1 stop
Depart: Mon Apr 24 2017 Return: Tue Apr 25 2017 Trip spans 2 days
Frontier
Frontier
IAD
2:55p
DEN
6:57p
4h 02m
nonstop
DEN
7:59p
IAD
11:19p
3h 20m
nonstop
Direct flights IAD to DEN on United
Flight # Depart IAD Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
1043 5:30 am 7:24 am May 1 - May 1
403 8:18 am 10:12 am May 7 - May 21
403 8:18 am 10:12 am May 6 - May 13
403 8:18 am 10:14 am May 5 - May 5
403 8:30 am 10:26 am Apr 29 - Apr 30
403 8:30 am 10:24 am Apr 23 - Apr 23
403 8:30 am 10:26 am Apr 16 - Apr 16
403 8:30 am 10:24 am Apr 9 - Apr 9
403 8:30 am 10:24 am Apr 8 - Apr 8
403 8:35 am 10:31 am Apr 27 - May 3
403 8:35 am 10:31 am Apr 22 - Apr 28
403 8:35 am 10:31 am Apr 18 - Apr 26
403 8:35 am 10:31 am Apr 15 - Apr 15
403 8:35 am 10:31 am Apr 13 - Apr 20
403 8:35 am 10:31 am Apr 7 - Apr 21
403 8:35 am 10:31 am Apr 6 - Apr 12
403 8:38 am 10:34 am May 1 - May 1
328 8:45 am 10:41 am May 4 - May 4
1947 9:15 am 11:11 am Apr 24 - May 2
1947 9:15 am 11:11 am May 4 - May 4
1947 9:20 am 11:16 am May 3 - May 3
735 12:31 pm 2:25 pm Apr 19 - Apr 19
735 12:31 pm 2:25 pm Apr 14 - Apr 14
735 12:31 pm 2:25 pm Apr 17 - Apr 17
735 12:31 pm 2:25 pm Apr 13 - Apr 20
735 12:31 pm 2:25 pm Apr 11 - Apr 18
735 12:31 pm 2:27 pm Apr 9 - Apr 16
735 12:31 pm 2:25 pm Apr 10 - Apr 12
735 12:31 pm 2:25 pm Apr 7 - Apr 7
735 12:31 pm 2:25 pm Apr 8 - Apr 15
735 12:31 pm 2:25 pm Apr 6 - Apr 6
735 12:31 pm 2:25 pm Apr 26 - Apr 26
735 12:31 pm 2:25 pm Apr 24 - Apr 24
735 12:31 pm 2:27 pm Apr 23 - Apr 30
735 12:31 pm 2:25 pm Apr 22 - Apr 29
735 12:31 pm 2:25 pm Apr 21 - Apr 21
735 12:31 pm 2:25 pm May 3 - May 3
735 12:31 pm 2:27 pm May 1 - May 1
735 12:31 pm 2:25 pm May 2 - May 2
735 12:31 pm 2:25 pm Apr 28 - Apr 28
735 12:31 pm 2:25 pm Apr 27 - Apr 27
735 12:31 pm 2:25 pm Apr 25 - Apr 25
735 12:35 pm 2:29 pm May 7 - May 7
735 12:35 pm 2:26 pm May 5 - May 5
735 12:35 pm 2:31 pm May 6 - May 27
735 12:35 pm 2:29 pm May 4 - May 4
696 2:20 pm 4:22 pm Apr 4 - Apr 21
696 2:20 pm 4:22 pm Apr 5 - Apr 12
696 2:20 pm 4:20 pm Apr 9 - Apr 16
696 2:20 pm 4:22 pm Apr 19 - Apr 26
696 2:20 pm 4:22 pm Apr 23 - Apr 28
696 2:20 pm 4:20 pm Apr 30 - Apr 30
696 2:20 pm 4:22 pm May 1 - May 4
696 2:20 pm 4:22 pm May 3 - May 3
696 2:35 pm 4:32 pm May 5 - Jun 6
696 2:35 pm 4:30 pm May 7 - May 21
542 4:05 pm 6:08 pm May 5 - May 17
542 4:05 pm 6:08 pm May 6 - May 6
542 4:05 pm 6:05 pm Apr 30 - Apr 30
542 4:05 pm 6:05 pm Apr 29 - Apr 29
542 4:05 pm 6:09 pm Apr 28 - Apr 28
542 4:10 pm 6:10 pm Apr 19 - Apr 19
542 4:15 pm 6:15 pm Apr 18 - Apr 20
542 4:15 pm 6:15 pm Apr 15 - Apr 15
542 4:15 pm 6:15 pm Apr 10 - Apr 17
542 4:15 pm 6:15 pm Apr 8 - Apr 8
542 4:15 pm 6:15 pm Apr 9 - Apr 16
542 4:15 pm 6:15 pm Apr 6 - Apr 11
542 4:15 pm 6:15 pm May 2 - May 4
542 4:15 pm 6:15 pm May 1 - May 1
542 4:15 pm 6:15 pm Apr 25 - Apr 25
542 4:15 pm 6:15 pm Apr 24 - Apr 27
542 4:15 pm 6:15 pm Apr 23 - Apr 23
542 4:15 pm 6:15 pm Apr 22 - Apr 22
542 4:15 pm 6:15 pm Apr 21 - Apr 21
980 5:10 pm 7:13 pm May 6 - May 27
980 5:16 pm 7:15 pm Apr 5 - Apr 11
980 5:16 pm 7:15 pm Apr 14 - Apr 21
980 5:16 pm 7:15 pm Apr 23 - Apr 28
980 5:16 pm 7:15 pm May 4 - May 4
980 5:20 pm 7:23 pm May 7 - May 7
980 5:21 pm 7:20 pm Apr 13 - Apr 20
980 5:21 pm 7:20 pm May 1 - May 3
980 5:22 pm 7:23 pm Apr 8 - Apr 8
980 5:22 pm 7:21 pm Apr 27 - Apr 27
980 5:26 pm 7:25 pm Apr 16 - Apr 19
980 5:26 pm 7:25 pm Apr 24 - Apr 26
980 5:27 pm 7:30 pm May 5 - May 12
980 5:30 pm 7:31 pm Apr 15 - Apr 29
980 5:31 pm 7:30 pm Apr 30 - Apr 30
980 5:36 pm 7:35 pm Apr 12 - Apr 12
505 7:20 pm 9:17 pm May 7 - May 7
505 7:20 pm 9:17 pm May 5 - May 26
505 7:22 pm 9:19 pm Apr 6 - Apr 6
505 7:28 pm 9:25 pm Apr 4 - Apr 16
505 7:28 pm 9:25 pm Apr 5 - Apr 12
505 7:28 pm 9:25 pm Apr 13 - May 4
505 7:28 pm 9:25 pm Apr 22 - Apr 23
505 7:28 pm 9:23 pm Apr 29 - Apr 29
505 7:28 pm 9:25 pm Apr 30 - Apr 30
554 10:00 pm 11:56 pm Apr 9 - Apr 30
554 10:25 pm 12:15 am May 5 - May 12
554 10:25 pm 12:15 am May 6 - May 6
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

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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.

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Airports
Origin

Washington
$152
Destination

Denver
$152
Airlines Airline reviews

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

Overall
6.1
Boarding
6.6
Crew
7.1
Comfort
5.6
Food
4.5
Entertainment
4.5