Find Deals on Flights from Denver International to Seattle/Tacoma Intl (DEN - SEA)

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 Denver International to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue May 3 2016 Return: Wed May 11 2016 Trip spans 9 days
Frontier
Frontier
DEN
4:45a
SEA
7:41a
2h 56m
nonstop
SEA
3:15p
DEN
5:54p
2h 39m
nonstop
Depart: Fri Oct 7 2016 Return: Tue Oct 11 2016 Trip spans 5 days
Major Airline
Major Airline
DEN
11:00p
SEA
1:55a
2h 55m
nonstop
SEA
11:15a
DEN
1:43p
2h 28m
nonstop
Depart: Wed May 18 2016 Return: Tue May 31 2016 Trip spans 14 days
United
United
DEN
6:15p
SEA
9:13p
2h 58m
nonstop
SEA
1:22p
DEN
4:01p
2h 39m
nonstop
Depart: Sat Jun 11 2016 Return: Tue Jun 14 2016 Trip spans 4 days
Delta
Delta
DEN
1:00p
SEA
3:59p
2h 59m
nonstop
SEA
2:10a
DEN
11:17a
9h 07m
1 stop
Depart: Tue Aug 23 2016 Return: Tue Aug 30 2016 Trip spans 8 days
Alaska Airlines
Alaska Airlines
DEN
2:00a
SEA
4:40a
2h 40m
nonstop
SEA
2:40a
DEN
5:10a
2h 30m
nonstop
Depart: Sat Jun 18 2016 Return: Tue Jun 28 2016 Trip spans 11 days
American Airlines
American Airlines
DEN
10:45a
SEA
5:08p
6h 23m
1 stop
SEA
10:35a
DEN
7:41p
9h 06m
1 stop
Depart: Fri Sep 2 2016 Return: Sat Sep 3 2016 Trip spans 2 days
Spirit Airlines
Spirit Airlines
DEN
10:50a
SEA
6:00p
7h 10m
1 stop
SEA
5:30a
DEN
11:34a
6h 04m
1 stop
Depart: Wed May 4 2016 Return: Wed May 11 2016 Trip spans 8 days
Frontier
Frontier
DEN
2:35p
SEA
5:29p
2h 54m
nonstop
SEA
3:15p
DEN
5:54p
2h 39m
nonstop
Depart: Fri Sep 9 2016 Return: Mon Sep 12 2016 Trip spans 4 days
Major Airline
Major Airline
DEN
8:50a
SEA
11:42a
2h 52m
nonstop
SEA
11:30a
DEN
2:11p
2h 41m
nonstop
Depart: Thu May 5 2016 Return: Wed May 11 2016 Trip spans 7 days
Frontier
Frontier
DEN
4:55a
SEA
7:47a
2h 52m
nonstop
SEA
3:15p
DEN
5:54p
2h 39m
nonstop
Depart: Tue May 10 2016 Return: Mon May 16 2016 Trip spans 7 days
Frontier
Frontier
DEN
4:55a
SEA
7:47a
2h 52m
nonstop
SEA
3:15p
DEN
5:54p
2h 39m
nonstop
Depart: Sat May 21 2016 Return: Tue May 24 2016 Trip spans 4 days
United
United
DEN
3:10p
SEA
6:03p
2h 53m
nonstop
SEA
1:22p
DEN
4:00p
2h 38m
nonstop
Depart: Mon May 2 2016 Return: Sat May 7 2016 Trip spans 6 days
Major Airline
Major Airline
DEN
10:10p
SEA
12:57a
2h 47m
nonstop
SEA
3:25a
DEN
6:00a
2h 35m
nonstop
Depart: Tue Jun 14 2016 Return: Wed Jun 15 2016 Trip spans 2 days
Delta
Delta
DEN
6:35a
SEA
9:33a
2h 58m
nonstop
SEA
6:52a
DEN
1:42p
6h 50m
1 stop
Depart: Sat Jun 4 2016 Return: Tue Jun 7 2016 Trip spans 4 days
United
United
DEN
3:00p
SEA
5:57p
2h 57m
nonstop
SEA
6:55a
DEN
9:33a
2h 38m
nonstop
Depart: Sat Oct 8 2016 Return: Tue Oct 11 2016 Trip spans 4 days
Frontier
Frontier
DEN
12:05p
SEA
2:57p
2h 52m
nonstop
SEA
2:54p
DEN
5:35p
2h 41m
nonstop
Depart: Fri May 13 2016 Return: Mon May 16 2016 Trip spans 4 days
Major Airline
Major Airline
DEN
10:10p
SEA
12:54a
2h 44m
nonstop
SEA
3:30a
DEN
6:15a
2h 45m
nonstop
Depart: Tue Jun 7 2016 Return: Sat Jun 11 2016 Trip spans 5 days
Delta
Delta
DEN
2:05a
SEA
7:20a
5h 15m
1 stop
SEA
2:11a
DEN
11:15a
9h 04m
1 stop
Depart: Wed May 25 2016 Return: Sat Jun 4 2016 Trip spans 11 days
United
United
DEN
2:00a
SEA
8:02a
6h 02m
1 stop
SEA
1:19a
DEN
3:59a
2h 40m
nonstop
Depart: Sat May 7 2016 Return: Wed May 11 2016 Trip spans 5 days
Frontier
Frontier
DEN
2:35p
SEA
5:26p
2h 51m
nonstop
SEA
3:15p
DEN
5:54p
2h 39m
nonstop
Direct flights DEN to SEA on Delta
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
830 8:00 am 9:54 am May 1 - May 15
830 8:00 am 9:54 am May 16 - May 31
830 8:00 am 9:54 am Jun 1 - Jun 8
5858 12:12 pm 2:07 pm May 3 - May 9
5858 12:12 pm 2:07 pm May 15 - May 15
5858 12:12 pm 2:07 pm May 10 - May 10
5858 12:12 pm 2:07 pm Jun 5 - Jun 5
5858 12:15 pm 2:10 pm May 30 - May 30
5858 12:15 pm 2:10 pm May 29 - May 29
5858 12:15 pm 2:09 pm May 28 - May 28
5858 12:15 pm 2:10 pm May 25 - May 31
5858 12:15 pm 2:10 pm May 22 - May 22
5858 12:15 pm 2:09 pm May 21 - May 21
5858 12:15 pm 2:10 pm May 18 - May 20
5858 12:15 pm 2:10 pm May 8 - May 8
5858 12:15 pm 2:09 pm May 14 - May 14
5858 12:15 pm 2:10 pm May 11 - May 13
5858 12:15 pm 2:10 pm Jun 2 - Jun 2
5858 12:15 pm 2:10 pm Jun 3 - Jun 8
5858 12:15 pm 2:10 pm May 16 - May 24
5858 12:15 pm 2:09 pm May 7 - May 7
5858 12:15 pm 2:09 pm Jun 4 - Jun 4
5858 12:15 pm 2:10 pm Jun 1 - Jun 1
1883 3:21 pm 5:22 pm Jun 3 - Jun 8
1883 3:21 pm 5:22 pm May 1 - May 10
1883 3:21 pm 5:20 pm May 7 - May 14
1883 3:21 pm 5:22 pm May 11 - May 15
1883 3:21 pm 5:20 pm May 21 - May 28
1883 3:21 pm 5:22 pm May 22 - May 22
1883 3:21 pm 5:22 pm May 25 - May 25
1883 3:21 pm 5:22 pm May 26 - Jun 1
1883 3:21 pm 5:20 pm May 29 - May 29
1883 3:21 pm 5:22 pm Jun 2 - Jun 2
1883 3:21 pm 5:20 pm Jun 4 - Jun 4
1883 3:21 pm 5:22 pm May 16 - May 24
5825 3:21 pm 5:14 pm May 27 - May 31
5845 7:24 pm 9:17 pm May 9 - May 10
5845 7:24 pm 9:17 pm May 23 - May 23
5845 7:24 pm 9:17 pm May 24 - May 31
5845 7:24 pm 9:17 pm May 29 - May 29
5845 7:24 pm 9:17 pm May 8 - May 8
5845 7:24 pm 9:17 pm Jun 3 - Jun 8
5845 7:24 pm 9:17 pm May 11 - May 15
5845 7:24 pm 9:17 pm May 14 - May 14
5845 7:24 pm 9:17 pm May 16 - May 22
5845 7:24 pm 9:17 pm May 17 - May 17
5845 7:24 pm 9:17 pm Jun 1 - Jun 2
5845 7:24 pm 9:17 pm Jun 4 - Jun 4
5845 7:24 pm 9:17 pm May 21 - May 28
* 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
Please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Denver
$128
Destination

Seattle
$128