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.
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Book cheap flights from Denver International to Seattle/Tacoma Intl

(Round-trip)
Depart: Sat Feb 27 2016 Return: Sat Mar 5 2016 Trip spans 8 days
Frontier
Frontier
DEN
2:50a
SEA
6:09a
3h 19m
nonstop
SEA
5:45a
DEN
8:25a
2h 40m
nonstop
Depart: Tue Mar 1 2016 Return: Tue Mar 8 2016 Trip spans 8 days
Frontier
Frontier
DEN
3:00a
SEA
5:58a
2h 58m
nonstop
SEA
5:45a
DEN
8:25a
2h 40m
nonstop
Depart: Sat Mar 5 2016 Return: Wed Mar 9 2016 Trip spans 5 days
Frontier
Frontier
DEN
11:30a
SEA
2:26p
2h 56m
nonstop
SEA
5:45a
DEN
8:25a
2h 40m
nonstop
Depart: Sat Mar 12 2016 Return: Tue Mar 15 2016 Trip spans 3 days
Frontier
Frontier
DEN
11:30a
SEA
2:26p
2h 56m
nonstop
SEA
6:45a
DEN
9:25a
2h 40m
nonstop
Depart: Tue Apr 5 2016 Return: Tue Apr 12 2016 Trip spans 8 days
Frontier
Frontier
DEN
12:35p
SEA
3:31p
2h 56m
nonstop
SEA
6:45a
DEN
9:25a
2h 40m
nonstop
Depart: Wed Apr 6 2016 Return: Tue Apr 12 2016 Trip spans 7 days
Frontier
Frontier
DEN
4:00a
SEA
6:58a
2h 58m
nonstop
SEA
6:45a
DEN
9:25a
2h 40m
nonstop
Depart: Wed Apr 27 2016 Return: Tue May 10 2016 Trip spans 14 days
Frontier
Frontier
DEN
2:38p
SEA
5:35p
2h 57m
nonstop
SEA
7:30a
DEN
10:12a
2h 42m
nonstop
Depart: Sat Apr 30 2016 Return: Tue May 3 2016 Trip spans 4 days
Frontier
Frontier
DEN
4:45a
SEA
7:43a
2h 58m
nonstop
SEA
3:20p
DEN
5:57p
2h 37m
nonstop
Depart: Wed May 4 2016 Return: Wed May 11 2016 Trip spans 8 days
Frontier
Frontier
DEN
4:55a
SEA
7:49a
2h 54m
nonstop
SEA
3:15p
DEN
5:54p
2h 39m
nonstop
Depart: Sat May 21 2016 Return: Wed May 25 2016 Trip spans 5 days
Frontier
Frontier
DEN
2:35p
SEA
5:29p
2h 54m
nonstop
SEA
7:30a
DEN
10:12a
2h 42m
nonstop
Depart: Wed May 25 2016 Return: Wed Jun 1 2016 Trip spans 8 days
Frontier
Frontier
DEN
4:55a
SEA
7:49a
2h 54m
nonstop
SEA
3:15p
DEN
5:54p
2h 39m
nonstop
Depart: Tue Mar 29 2016 Return: Wed Apr 6 2016 Trip spans 9 days
Frontier
Frontier
DEN
4:00a
SEA
6:58a
2h 58m
nonstop
SEA
6:45a
DEN
9:25a
2h 40m
nonstop
Depart: Sat Apr 2 2016 Return: Wed Apr 6 2016 Trip spans 5 days
Frontier
Frontier
DEN
12:35p
SEA
3:31p
2h 56m
nonstop
SEA
3:25p
DEN
6:00p
2h 35m
nonstop
Depart: Tue May 17 2016 Return: Tue Jun 28 2016 Trip spans 43 days
Frontier
Frontier
DEN
4:55a
SEA
7:49a
2h 54m
nonstop
SEA
3:15p
DEN
5:54p
2h 39m
nonstop
Depart: Thu Feb 18 2016 Return: Sun Feb 21 2016 Trip spans 4 days
Frontier
Frontier
DEN
2:35a
SEA
5:54a
3h 19m
nonstop
SEA
6:00a
DEN
8:37a
2h 37m
nonstop
Depart: Tue May 24 2016 Return: Wed May 25 2016 Trip spans 2 days
Spirit Airlines
Spirit Airlines
DEN
2:19p
SEA
9:35p
7h 16m
1 stop
SEA
5:22a
DEN
10:57a
5h 35m
1 stop
Depart: Sat Apr 16 2016 Return: Tue Apr 19 2016 Trip spans 4 days
United
United
DEN
4:07a
SEA
7:00a
2h 53m
nonstop
SEA
6:56a
DEN
9:34a
2h 38m
nonstop
Depart: Mon Feb 8 2016 Return: Thu Feb 18 2016 Trip spans 11 days
American Airlines
American Airlines
DEN
9:40a
SEA
3:39p
5h 59m
1 stop
SEA
3:20a
DEN
9:09a
5h 49m
1 stop
Depart: Fri Apr 15 2016 Return: Sat Apr 16 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
DEN
3:35p
SEA
6:30p
2h 55m
nonstop
SEA
2:30a
DEN
5:03a
2h 33m
nonstop
Depart: Mon May 23 2016 Return: Sat May 28 2016 Trip spans 6 days
Delta
Delta
DEN
3:10p
SEA
6:05p
2h 55m
nonstop
SEA
3:35p
DEN
6:21p
2h 46m
nonstop
Direct flights DEN to SEA on Delta
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
1188 8:15 am 10:15 am Mar 13 - Mar 25
1188 8:15 am 10:15 am Mar 3 - Mar 12
1188 8:15 am 10:15 am Mar 2 - Mar 2
5682 8:15 am 10:30 am Feb 27 - Feb 27
5682 8:15 am 10:33 am Feb 22 - Feb 29
5682 8:15 am 10:33 am Mar 1 - Mar 1
5682 8:15 am 10:33 am Feb 14 - Feb 14
5682 8:15 am 10:33 am Feb 15 - Feb 17
5682 8:15 am 10:33 am Feb 18 - Feb 19
5682 8:15 am 10:33 am Feb 21 - Feb 28
5682 8:15 am 10:30 am Feb 13 - Feb 13
5700 8:15 am 10:30 am Feb 20 - Feb 20
5680 11:59 am 2:03 pm Feb 12 - Feb 19
5680 11:59 am 2:03 pm Mar 1 - Mar 1
5680 11:59 am 2:03 pm Feb 23 - Feb 29
5680 11:59 am 2:03 pm Feb 17 - Feb 22
5680 11:59 am 2:02 pm Feb 13 - Feb 27
5680 11:59 am 2:03 pm Feb 9 - Feb 15
5779 12:00 pm 1:58 pm Mar 13 - Mar 29
5779 12:00 pm 1:58 pm Mar 5 - Mar 12
5779 12:00 pm 1:58 pm Mar 2 - Mar 11
5680 12:04 pm 2:08 pm Feb 21 - Feb 21
1155 3:30 pm 5:29 pm Mar 2 - Mar 12
1155 3:30 pm 5:29 pm Mar 13 - Mar 25
5682 3:30 pm 5:30 pm Feb 20 - Feb 20
5778 3:30 pm 5:31 pm Feb 29 - Mar 1
5778 3:30 pm 5:31 pm Feb 16 - Feb 19
5778 3:30 pm 5:31 pm Feb 15 - Feb 17
5778 3:30 pm 5:31 pm Feb 21 - Feb 28
5778 3:30 pm 5:31 pm Feb 22 - Feb 22
5778 3:30 pm 5:30 pm Feb 27 - Feb 27
5726 4:59 pm 7:00 pm Feb 13 - Feb 13
5726 4:59 pm 7:01 pm Feb 14 - Feb 14
5711 7:10 pm 9:15 pm Feb 12 - Feb 19
5711 7:10 pm 9:15 pm Feb 15 - Feb 22
5711 7:10 pm 9:13 pm Feb 20 - Feb 20
5711 7:10 pm 9:13 pm Feb 27 - Feb 27
5711 7:10 pm 9:15 pm Feb 23 - Feb 23
5711 7:10 pm 9:15 pm Feb 24 - Mar 1
5739 7:14 pm 9:19 pm Feb 28 - Feb 28
5735 7:15 pm 9:12 pm Mar 2 - Mar 11
5735 7:15 pm 9:12 pm Mar 13 - Mar 18
5735 7:15 pm 9:12 pm Mar 6 - Mar 6
5735 7:15 pm 9:11 pm Mar 5 - Mar 12
* 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.

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Airports
Origin

Denver
$138
Destination

Seattle
$138