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: Tue Sep 20 2016 Return: Wed Sep 21 2016 Trip spans 2 days
Depart: Thu Sep 29 2016 Return: Tue Oct 4 2016 Trip spans 6 days
Depart: Tue Dec 6 2016 Return: Fri Dec 9 2016 Trip spans 4 days
Depart: Fri Nov 18 2016 Return: Thu Nov 24 2016 Trip spans 7 days
Depart: Sun Sep 4 2016 Return: Wed Sep 7 2016 Trip spans 4 days
Depart: Wed Sep 21 2016 Return: Sat Sep 24 2016 Trip spans 4 days
Depart: Fri Sep 30 2016 Return: Sun Oct 9 2016 Trip spans 10 days
Depart: Sat Sep 24 2016 Return: Tue Sep 27 2016 Trip spans 4 days
Depart: Mon Sep 26 2016 Return: Tue Sep 27 2016 Trip spans 2 days
Depart: Wed Sep 28 2016 Return: Sat Oct 1 2016 Trip spans 4 days
Depart: Mon Oct 10 2016 Return: Thu Oct 13 2016 Trip spans 4 days
Depart: Sat Oct 1 2016 Return: Tue Oct 4 2016 Trip spans 4 days
Depart: Mon Dec 12 2016 Return: Tue Dec 13 2016 Trip spans 2 days
Depart: Tue Dec 13 2016 Return: Sat Dec 24 2016 Trip spans 12 days
Depart: Sun Nov 6 2016 Return: Sat Nov 12 2016 Trip spans 7 days
Depart: Wed Oct 5 2016 Return: Sat Oct 8 2016 Trip spans 4 days
Depart: Fri Nov 11 2016 Return: Sun Nov 13 2016 Trip spans 3 days
Depart: Sat Oct 8 2016 Return: Tue Oct 11 2016 Trip spans 4 days
Depart: Thu Dec 1 2016 Return: Sun Dec 4 2016 Trip spans 4 days
Depart: Sat Sep 3 2016 Return: Wed Sep 7 2016 Trip spans 5 days
Direct flights SEA to DEN on Delta
Flight # Depart SEA Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
4465 7:50 am 11:40 am Sep 6 - Sep 6
2209 7:55 am 11:38 am Oct 1 - Oct 15
2209 7:55 am 11:38 am Oct 2 - Oct 16
2799 7:55 am 11:35 am Sep 3 - Sep 10
2799 7:55 am 11:35 am Sep 4 - Sep 12
2799 7:55 am 11:35 am Sep 13 - Sep 19
2799 7:55 am 11:35 am Sep 21 - Sep 30
2799 7:55 am 11:35 am Sep 20 - Sep 27
5694 11:05 am 2:55 pm Oct 1 - Oct 15
1089 11:10 am 2:54 pm Oct 4 - Oct 19
1089 11:10 am 2:54 pm Oct 2 - Oct 16
663 11:10 am 2:51 pm Sep 3 - Sep 24
663 11:10 am 2:52 pm Sep 5 - Sep 19
663 11:10 am 2:52 pm Sep 21 - Sep 30
663 11:10 am 2:52 pm Sep 20 - Sep 27
4827 2:55 pm 6:38 pm Sep 26 - Sep 30
4827 2:55 pm 6:38 pm Sep 25 - Sep 25
4827 2:55 pm 6:38 pm Sep 21 - Sep 21
4827 2:55 pm 6:38 pm Sep 11 - Sep 18
4827 2:55 pm 6:38 pm Sep 6 - Sep 9
4827 2:55 pm 6:38 pm Sep 15 - Sep 22
5694 2:55 pm 6:39 pm Sep 28 - Sep 28
5694 2:55 pm 6:39 pm Sep 23 - Sep 29
5694 2:55 pm 6:39 pm Sep 14 - Sep 14
5751 2:55 pm 6:42 pm Oct 2 - Oct 17
1832 6:20 pm 9:56 pm Sep 17 - Sep 24
1832 6:20 pm 9:57 pm Sep 5 - Sep 14
1832 6:20 pm 9:57 pm Sep 15 - Sep 20
1832 6:20 pm 9:56 pm Sep 10 - Sep 10
1832 6:20 pm 9:57 pm Sep 8 - Sep 8
1832 6:20 pm 9:57 pm Sep 22 - Sep 27
1832 6:20 pm 9:57 pm Sep 21 - Sep 21
1832 6:20 pm 9:57 pm Sep 28 - Sep 28
1832 6:20 pm 9:57 pm Sep 29 - Sep 30
1832 6:27 pm 10:04 pm Sep 9 - Sep 9
1968 6:30 pm 10:11 pm Oct 1 - Oct 15
1968 6:33 pm 10:15 pm Oct 2 - Oct 17
1968 6:33 pm 10:15 pm Oct 5 - Oct 20
* 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.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Seattle
$117
Destination

Denver
$117
Airlines Airline reviews

323 travelers who booked a flight from Seattle to Denver rated their chosen airlines with an average of 5.4.

Overall
5.5
Boarding
6.1
Crew
6.6
Comfort
5.1
Food
4.3
Entertainment
4.1