Find Cheap Flights to Denver International

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portland to Denver International

(Round-trip)
Depart: Wed Sep 20 2017 Return: Tue Sep 26 2017 Trip spans 7 days
United
United
PDX
4:15a
DEN
6:45a
2h 30m
nonstop
DEN
4:10a
PDX
6:54a
2h 44m
nonstop
Depart: Wed Aug 16 2017 Return: Tue Aug 22 2017 Trip spans 7 days
Frontier
Frontier
PDX
2:45p
DEN
5:18p
2h 33m
nonstop
DEN
3:55a
PDX
6:36a
2h 41m
nonstop
Depart: Sun Nov 5 2017 Return: Wed Nov 8 2017 Trip spans 4 days
Delta
Delta
PDX
6:20a
DEN
10:53a
4h 33m
1 stop
DEN
2:30p
PDX
7:01p
4h 31m
1 stop
Depart: Tue Oct 3 2017 Return: Wed Oct 4 2017 Trip spans 2 days
United
United
PDX
4:15a
DEN
6:45a
2h 30m
nonstop
DEN
6:19p
PDX
8:59p
2h 40m
nonstop
Depart: Sun Sep 3 2017 Return: Wed Sep 13 2017 Trip spans 11 days
Frontier
Frontier
PDX
6:35a
DEN
9:11a
2h 36m
nonstop
DEN
5:57p
PDX
8:39p
2h 42m
nonstop
Depart: Sat Dec 23 2017 Return: Sat Dec 30 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PDX
1:30a
DEN
4:51p
15h 21m
1 stop
DEN
1:40a
PDX
5:24p
15h 44m
1 stop
Depart: Wed Oct 4 2017 Return: Wed Oct 11 2017 Trip spans 8 days
United
United
PDX
1:55p
DEN
4:19p
2h 24m
nonstop
DEN
6:15p
PDX
8:55p
2h 40m
nonstop
Depart: Wed Sep 6 2017 Return: Wed Sep 13 2017 Trip spans 8 days
Frontier
Frontier
PDX
2:45p
DEN
5:18p
2h 33m
nonstop
DEN
3:55a
PDX
6:44a
2h 49m
nonstop
Depart: Wed Oct 11 2017 Return: Wed Oct 18 2017 Trip spans 8 days
United
United
PDX
1:55p
DEN
4:19p
2h 24m
nonstop
DEN
6:15p
PDX
8:55p
2h 40m
nonstop
Depart: Tue Sep 12 2017 Return: Wed Sep 13 2017 Trip spans 2 days
Frontier
Frontier
PDX
6:45a
DEN
9:18a
2h 33m
nonstop
DEN
12:10p
PDX
2:53p
2h 43m
nonstop
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
Frontier
Frontier
PDX
2:55p
DEN
5:28p
2h 33m
nonstop
DEN
5:58p
PDX
8:40p
2h 42m
nonstop
Depart: Thu Aug 17 2017 Return: Wed Aug 23 2017 Trip spans 7 days
United
United
PDX
1:15a
DEN
3:41a
2h 26m
nonstop
DEN
6:10p
PDX
8:48p
2h 38m
nonstop
Depart: Tue Sep 19 2017 Return: Tue Oct 3 2017 Trip spans 15 days
Frontier
Frontier
PDX
2:55p
DEN
5:28p
2h 33m
nonstop
DEN
3:40p
PDX
6:23p
2h 43m
nonstop
Depart: Thu Nov 9 2017 Return: Sun Nov 12 2017 Trip spans 4 days
Delta
Delta
PDX
1:00a
DEN
6:25a
5h 25m
1 stop
DEN
2:00a
PDX
6:46a
4h 46m
1 stop
Depart: Tue Aug 29 2017 Return: Thu Sep 14 2017 Trip spans 17 days
United
United
PDX
2:20p
DEN
4:47p
2h 27m
nonstop
DEN
6:20p
PDX
8:59p
2h 39m
nonstop
Depart: Tue Sep 26 2017 Return: Wed Sep 27 2017 Trip spans 2 days
Frontier
Frontier
PDX
2:55p
DEN
5:28p
2h 33m
nonstop
DEN
5:58p
PDX
8:40p
2h 42m
nonstop
Depart: Fri Nov 10 2017 Return: Tue Nov 14 2017 Trip spans 5 days
Delta
Delta
PDX
1:00a
DEN
8:08a
7h 08m
1 stop
DEN
12:45p
PDX
7:41p
6h 56m
1 stop
Depart: Wed Aug 30 2017 Return: Sun Sep 10 2017 Trip spans 12 days
United
United
PDX
2:20p
DEN
4:47p
2h 27m
nonstop
DEN
6:20p
PDX
8:59p
2h 39m
nonstop
Depart: Sat Dec 9 2017 Return: Mon Dec 18 2017 Trip spans 10 days
Delta
Delta
PDX
2:20a
DEN
9:20a
7h 00m
1 stop
DEN
8:00a
PDX
1:45p
5h 45m
1 stop
Depart: Fri Sep 8 2017 Return: Wed Sep 13 2017 Trip spans 6 days
United
United
PDX
4:15a
DEN
6:45a
2h 30m
nonstop
DEN
4:10a
PDX
6:54a
2h 44m
nonstop
Direct flights PDX to DEN on United
Flight # Depart PDX Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
1873 5:15 am 8:41 am Aug 15 - Aug 15
1873 5:15 am 8:41 am Aug 16 - Sep 2
789 5:20 am 8:47 am Aug 1 - Aug 7
789 5:20 am 8:47 am Jul 31 - Aug 3
789 5:20 am 8:47 am Jul 29 - Jul 29
789 5:20 am 8:46 am Aug 2 - Aug 9
789 5:20 am 8:47 am Aug 8 - Aug 8
789 5:20 am 8:46 am Aug 5 - Aug 12
789 5:20 am 8:47 am Jul 28 - Aug 4
789 5:20 am 8:47 am Jul 20 - Jul 27
789 5:20 am 8:47 am Aug 10 - Aug 10
789 5:20 am 8:47 am Aug 11 - Aug 11
789 5:20 am 8:47 am Aug 14 - Aug 14
714 5:45 am 9:11 am Aug 15 - Aug 15
714 5:45 am 9:10 am Aug 16 - Aug 31
714 5:50 am 9:15 am Jul 22 - Jul 27
714 5:50 am 9:16 am Jul 28 - Jul 28
714 5:50 am 9:15 am Jul 29 - Aug 10
714 5:50 am 9:15 am Aug 4 - Aug 4
714 5:50 am 9:15 am Aug 11 - Aug 14
830 10:30 am 2:00 pm Aug 16 - Aug 16
830 10:30 am 2:00 pm Aug 17 - Aug 23
830 10:30 am 2:00 pm Aug 20 - Aug 20
830 10:30 am 2:00 pm Aug 18 - Sep 1
830 10:30 am 2:00 pm Aug 21 - Aug 21
830 10:30 am 2:00 pm Aug 22 - Aug 29
830 10:30 am 2:00 pm Aug 27 - Aug 27
830 10:45 am 2:16 pm Aug 15 - Aug 15
830 11:02 am 2:28 pm Jul 30 - Jul 30
830 11:22 am 2:50 pm Jul 19 - Aug 9
830 11:22 am 2:50 pm Jul 27 - Jul 27
830 11:22 am 2:50 pm Jul 24 - Jul 31
830 11:22 am 2:50 pm Jul 28 - Jul 28
830 11:22 am 2:50 pm Aug 4 - Aug 4
830 11:22 am 2:50 pm Aug 6 - Aug 6
830 11:22 am 2:50 pm Aug 11 - Aug 11
830 11:22 am 2:50 pm Aug 7 - Aug 7
830 11:22 am 2:50 pm Aug 10 - Aug 10
830 11:22 am 2:50 pm Aug 13 - Aug 13
830 11:22 am 2:50 pm Aug 14 - Aug 14
830 11:28 am 2:56 pm Aug 3 - Aug 3
830 12:00 pm 3:30 pm Jul 22 - Aug 12
830 12:10 pm 3:40 pm Aug 19 - Aug 19
830 12:10 pm 3:40 pm Aug 26 - Aug 26
550 3:27 pm 7:07 pm Jul 23 - Jul 30
550 3:27 pm 7:07 pm Aug 6 - Aug 6
550 3:27 pm 7:07 pm Aug 13 - Aug 13
550 3:40 pm 7:20 pm Jul 29 - Jul 29
550 3:44 pm 7:20 pm Aug 5 - Aug 5
550 3:44 pm 7:20 pm Aug 12 - Aug 12
550 3:45 pm 7:22 pm Jul 20 - Aug 10
550 3:45 pm 7:22 pm Jul 21 - Jul 31
550 3:45 pm 7:22 pm Aug 4 - Aug 11
550 3:45 pm 7:22 pm Aug 1 - Aug 1
550 3:45 pm 7:22 pm Aug 2 - Aug 2
550 3:45 pm 7:25 pm Aug 19 - Aug 19
550 3:45 pm 7:25 pm Aug 20 - Aug 20
550 3:45 pm 7:25 pm Aug 18 - Sep 1
550 3:45 pm 7:25 pm Aug 17 - Aug 17
550 3:45 pm 7:25 pm Aug 15 - Aug 15
550 3:45 pm 7:25 pm Aug 16 - Aug 22
550 3:45 pm 7:22 pm Aug 14 - Aug 14
550 3:45 pm 7:22 pm Aug 9 - Aug 9
550 3:45 pm 7:25 pm Aug 27 - Aug 27
550 3:45 pm 7:24 pm Aug 26 - Aug 26
550 3:50 pm 7:30 pm Aug 23 - Aug 23
423 6:00 pm 9:31 pm Jul 23 - Aug 13
423 6:10 pm 9:38 pm Jul 19 - Aug 14
423 6:20 pm 9:47 pm Aug 15 - Aug 22
423 6:20 pm 9:47 pm Aug 16 - Aug 20
423 6:20 pm 9:47 pm Aug 23 - Aug 29
* 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

Portland
$137
Destination

Denver
$137
Airlines Airline reviews

538 travelers who booked a flight from Portland to Denver rated their chosen airlines with an average of 5.5.

Overall
5.7
Boarding
6.3
Crew
6.7
Comfort
5.1
Food
4.2
Entertainment
4.1