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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Book cheap flights from Seattle/Tacoma Intl to Denver International

(Round-trip)
Depart: Sat Oct 1 2016 Return: Wed Oct 5 2016 Trip spans 5 days
Frontier
Frontier
SEA
9:15a
DEN
12:00p
2h 45m
nonstop
DEN
11:05a
SEA
1:57p
2h 52m
nonstop
Depart: Fri Oct 7 2016 Return: Thu Oct 13 2016 Trip spans 7 days
Major Airline
Major Airline
SEA
9:10a
DEN
11:51a
2h 41m
nonstop
DEN
2:25a
SEA
5:24a
2h 59m
nonstop
Depart: Tue Oct 4 2016 Return: Wed Oct 5 2016 Trip spans 2 days
Frontier
Frontier
SEA
1:50p
DEN
4:31p
2h 41m
nonstop
DEN
3:00a
SEA
5:57a
2h 57m
nonstop
Depart: Thu Oct 27 2016 Return: Tue Nov 1 2016 Trip spans 6 days
Major Airline
Major Airline
SEA
9:10a
DEN
11:51a
2h 41m
nonstop
DEN
7:59a
SEA
11:00a
3h 01m
nonstop
Depart: Sat Oct 8 2016 Return: Tue Oct 11 2016 Trip spans 4 days
Frontier
Frontier
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
Depart: Mon Oct 31 2016 Return: Mon Nov 7 2016 Trip spans 8 days
Major Airline
Major Airline
SEA
2:05a
DEN
4:45a
2h 40m
nonstop
DEN
5:59a
SEA
9:00a
3h 01m
nonstop
Depart: Tue Oct 11 2016 Return: Wed Oct 12 2016 Trip spans 2 days
Frontier
Frontier
SEA
7:25a
DEN
10:13a
2h 48m
nonstop
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
Depart: Wed Oct 12 2016 Return: Sat Oct 15 2016 Trip spans 4 days
Frontier
Frontier
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
Depart: Fri Jan 13 2017 Return: Sat Jan 14 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
1:40a
DEN
4:12a
2h 32m
nonstop
DEN
6:15a
SEA
9:11a
2h 56m
nonstop
Depart: Fri Feb 10 2017 Return: Sun Feb 12 2017 Trip spans 3 days
Delta
Delta
SEA
2:45a
DEN
5:29a
2h 44m
nonstop
DEN
2:15p
SEA
5:18p
3h 03m
nonstop
Depart: Sat Oct 15 2016 Return: Tue Oct 18 2016 Trip spans 4 days
Frontier
Frontier
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
Depart: Tue Oct 18 2016 Return: Sat Oct 22 2016 Trip spans 5 days
Frontier
Frontier
SEA
7:25a
DEN
10:13a
2h 48m
nonstop
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
Depart: Sun Jan 1 2017 Return: Wed Jan 11 2017 Trip spans 11 days
United
United
SEA
12:20a
DEN
3:00a
2h 40m
nonstop
DEN
3:05a
SEA
6:08a
3h 03m
nonstop
Depart: Wed Oct 19 2016 Return: Sat Oct 22 2016 Trip spans 4 days
Frontier
Frontier
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
Depart: Sun Oct 23 2016 Return: Tue Oct 25 2016 Trip spans 3 days
Major Airline
Major Airline
SEA
10:40p
DEN
1:14a
2h 34m
nonstop
DEN
6:20a
SEA
9:12a
2h 52m
nonstop
Depart: Mon Sep 26 2016 Return: Mon Oct 3 2016 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
5:30a
DEN
3:37p
10h 07m
1 stop
DEN
2:51p
SEA
8:59p
6h 08m
1 stop
Depart: Sat Oct 22 2016 Return: Tue Oct 25 2016 Trip spans 4 days
Frontier
Frontier
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
Depart: Thu Sep 29 2016 Return: Mon Oct 3 2016 Trip spans 5 days
Major Airline
Major Airline
SEA
9:50a
DEN
12:31p
2h 41m
nonstop
DEN
2:25a
SEA
5:24a
2h 59m
nonstop
Depart: Tue Oct 25 2016 Return: Sat Oct 29 2016 Trip spans 5 days
Frontier
Frontier
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
Depart: Wed Oct 26 2016 Return: Sat Oct 29 2016 Trip spans 4 days
Frontier
Frontier
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
DEN
3:00a
SEA
5:57a
2h 57m
nonstop
Direct flights SEA to DEN on Delta
Flight # Depart SEA Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
2209 7:55 am 11:38 am Oct 24 - Oct 24
2209 7:55 am 11:38 am Oct 1 - Oct 15
2209 7:55 am 11:38 am Oct 2 - Oct 16
2209 7:55 am 11:38 am Oct 27 - Oct 31
2209 7:55 am 11:38 am Oct 25 - Oct 26
2209 7:55 am 11:38 am Oct 22 - Oct 29
2209 7:55 am 11:38 am Oct 19 - Oct 23
2209 7:55 am 11:38 am Oct 18 - Oct 18
2209 7:55 am 11:38 am Oct 17 - Oct 17
2799 7:55 am 11:35 am Sep 21 - Sep 30
4597 11:05 am 2:57 pm Oct 25 - Oct 26
5694 11:05 am 2:55 pm Oct 1 - Oct 15
5694 11:05 am 2:55 pm Oct 22 - Oct 29
1089 11:10 am 2:54 pm Oct 2 - Oct 16
1089 11:10 am 2:54 pm Oct 17 - Oct 17
1089 11:10 am 2:54 pm Oct 30 - Nov 4
1089 11:10 am 2:54 pm Oct 20 - Oct 28
1089 11:10 am 2:54 pm Oct 24 - Oct 24
1089 11:10 am 2:54 pm Oct 4 - Oct 19
663 11:10 am 2:52 pm Sep 21 - Sep 30
4827 2:55 pm 6:38 pm Sep 30 - Sep 30
5751 2:55 pm 6:42 pm Oct 20 - Oct 28
5751 2:55 pm 6:42 pm Oct 31 - Oct 31
5751 2:55 pm 6:42 pm Oct 30 - Oct 30
5751 2:55 pm 6:42 pm Oct 19 - Oct 19
5751 2:55 pm 6:42 pm Oct 18 - Oct 25
5751 2:55 pm 6:42 pm Oct 2 - Oct 17
1832 6:20 pm 9:57 pm Sep 29 - Sep 30
1968 6:30 pm 10:11 pm Oct 1 - Oct 15
1968 6:30 pm 10:11 pm Oct 29 - Oct 29
1968 6:30 pm 10:11 pm Oct 22 - Oct 22
1968 6:33 pm 10:15 pm Oct 5 - Oct 20
1968 6:33 pm 10:15 pm Oct 25 - Oct 25
1968 6:33 pm 10:15 pm Oct 23 - Oct 27
1968 6:33 pm 10:15 pm Oct 21 - Oct 28
1968 6:33 pm 10:15 pm Oct 31 - Oct 31
1968 6:33 pm 10:15 pm Oct 18 - Oct 18
1968 6:33 pm 10:15 pm Oct 2 - Oct 17
1968 6:33 pm 10:15 pm Oct 30 - Nov 4
* 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

Seattle
$59
Destination

Denver
$59
Airlines Airline reviews

399 travelers who booked a flight from Seattle to Denver rated their chosen airlines with an average of 5.6.

Overall
5.6
Boarding
6.1
Crew
6.7
Comfort
5.3
Food
4.5
Entertainment
4.3