Find Deals on Flights from Seattle/Tacoma Intl to Denver International (SEA - 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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Denver International

(Round-trip)
Depart: Wed Sep 14 2016 Return: Tue Sep 20 2016 Trip spans 7 days
Depart: Tue Sep 6 2016 Return: Tue Sep 13 2016 Trip spans 8 days
Depart: Wed Jun 8 2016 Return: Tue Jun 14 2016 Trip spans 7 days
Depart: Wed Jun 15 2016 Return: Thu Jun 16 2016 Trip spans 2 days
Depart: Sat Sep 3 2016 Return: Tue Sep 6 2016 Trip spans 4 days
Depart: Fri Oct 28 2016 Return: Sun Oct 30 2016 Trip spans 3 days
Depart: Thu Nov 17 2016 Return: Mon Nov 21 2016 Trip spans 5 days
Depart: Mon Oct 10 2016 Return: Thu Oct 13 2016 Trip spans 4 days
Depart: Tue Oct 11 2016 Return: Wed Oct 12 2016 Trip spans 2 days
Depart: Wed Oct 12 2016 Return: Thu Oct 13 2016 Trip spans 2 days
Depart: Sat Oct 22 2016 Return: Tue Oct 25 2016 Trip spans 4 days
Depart: Mon Jun 13 2016 Return: Tue Jun 21 2016 Trip spans 9 days
Depart: Tue Jun 14 2016 Return: Wed Jun 15 2016 Trip spans 2 days
Depart: Tue Aug 23 2016 Return: Mon Aug 29 2016 Trip spans 7 days
Depart: Tue Oct 25 2016 Return: Sat Oct 29 2016 Trip spans 5 days
Depart: Sat Sep 10 2016 Return: Tue Sep 13 2016 Trip spans 4 days
Depart: Thu Aug 4 2016 Return: Wed Aug 17 2016 Trip spans 14 days
Depart: Wed Aug 31 2016 Return: Wed Sep 7 2016 Trip spans 8 days
Depart: Thu Nov 10 2016 Return: Sun Nov 13 2016 Trip spans 4 days
Depart: Sat Sep 17 2016 Return: Thu Sep 22 2016 Trip spans 6 days
Direct flights SEA to DEN on Delta
Flight # Depart SEA Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
4795 7:40 am 11:29 am Jun 11 - Jun 25
4795 7:40 am 11:29 am Jun 9 - Jun 30
5858 7:40 am 11:42 am Jun 5 - Jun 5
5858 7:40 am 11:42 am Jun 3 - Jun 8
5858 7:40 am 11:42 am Jun 2 - Jun 2
5858 7:40 am 11:42 am Jun 4 - Jun 4
4663 7:45 am 11:34 am Jul 2 - Jul 9
4663 7:45 am 11:34 am Jul 1 - Jul 8
4663 7:45 am 11:34 am Jul 3 - Jul 4
354 10:37 am 2:24 pm Jun 10 - Jun 30
354 10:37 am 2:24 pm Jun 9 - Jun 9
4794 10:45 am 2:30 pm Jul 1 - Jul 1
4794 10:45 am 2:30 pm Jul 3 - Jul 3
4794 10:45 am 2:32 pm Jul 2 - Jul 2
679 10:51 am 2:44 pm Jun 1 - Jun 2
679 10:51 am 2:43 pm Jun 4 - Jun 4
679 10:51 am 2:44 pm Jun 3 - Jun 8
1240 11:00 am 2:47 pm Jun 11 - Jun 25
4781 1:13 pm 4:57 pm Jun 13 - Jun 15
4781 1:13 pm 4:57 pm Jun 17 - Jun 28
4781 1:13 pm 4:57 pm Jun 30 - Jun 30
4781 1:13 pm 4:57 pm Jun 26 - Jun 29
4781 1:13 pm 4:57 pm Jun 10 - Jun 10
4781 1:13 pm 4:57 pm Jun 9 - Jun 19
5800 1:15 pm 5:02 pm Jul 1 - Jul 5
5800 1:15 pm 5:02 pm Jul 3 - Jul 8
5845 3:00 pm 6:54 pm Jun 3 - Jun 8
5845 3:00 pm 6:53 pm Jun 4 - Jun 4
5845 3:00 pm 6:54 pm Jun 1 - Jun 2
4614 3:05 pm 6:51 pm Jul 1 - Jul 1
4614 3:05 pm 6:51 pm Jul 2 - Jul 2
4623 3:05 pm 6:48 pm Jun 9 - Jun 30
817 3:05 pm 6:53 pm Jun 11 - Jun 25
4518 6:30 pm 10:11 pm Jun 11 - Jun 25
668 7:55 pm 11:46 pm Jun 1 - Jun 8
4587 8:05 pm 11:48 pm Jul 1 - Jul 8
4587 8:05 pm 11:48 pm Jul 2 - Jul 2
4587 8:05 pm 11:48 pm Jul 3 - Jul 3
318 8:15 pm 11:57 pm Jun 9 - Jun 30
* 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

Seattle
$148
Destination

Denver
$148