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: Tue Feb 23 2016 Return: Tue Mar 1 2016 Trip spans 8 days
Frontier
Frontier
DEN
11:30a
SEA
2:32p
3h 02m
nonstop
SEA
2:20p
DEN
4:55p
2h 35m
nonstop
Depart: Wed Feb 24 2016 Return: Tue Mar 1 2016 Trip spans 7 days
Frontier
Frontier
DEN
2:50a
SEA
6:09a
3h 19m
nonstop
SEA
2:20p
DEN
4:55p
2h 35m
nonstop
Depart: Sat Feb 27 2016 Return: Wed Mar 2 2016 Trip spans 5 days
Frontier
Frontier
DEN
2:50a
SEA
6:09a
3h 19m
nonstop
SEA
2:20p
DEN
4:55p
2h 35m
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: Wed Mar 2 2016 Return: Tue Mar 8 2016 Trip spans 7 days
Frontier
Frontier
DEN
3:00a
SEA
5:58a
2h 58m
nonstop
SEA
2:20p
DEN
4:55p
2h 35m
nonstop
Depart: Sat Mar 5 2016 Return: Tue Mar 8 2016 Trip spans 4 days
Frontier
Frontier
DEN
3:00a
SEA
5:58a
2h 58m
nonstop
SEA
2:20p
DEN
4:55p
2h 35m
nonstop
Depart: Tue Mar 8 2016 Return: Tue Mar 15 2016 Trip spans 7 days
Frontier
Frontier
DEN
11:30a
SEA
2:26p
2h 56m
nonstop
SEA
3:25p
DEN
6:00p
2h 35m
nonstop
Depart: Wed Mar 9 2016 Return: Tue Mar 15 2016 Trip spans 6 days
Frontier
Frontier
DEN
3:00a
SEA
5:58a
2h 58m
nonstop
SEA
3:25p
DEN
6:00p
2h 35m
nonstop
Depart: Sat Mar 12 2016 Return: Tue Mar 15 2016 Trip spans 3 days
Frontier
Frontier
DEN
3:00a
SEA
5:58a
2h 58m
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
3:25p
DEN
6:00p
2h 35m
nonstop
Depart: Wed Apr 13 2016 Return: Tue Apr 19 2016 Trip spans 7 days
Frontier
Frontier
DEN
4:00a
SEA
6:58a
2h 58m
nonstop
SEA
7:30a
DEN
10:10a
2h 40m
nonstop
Depart: Sat Apr 23 2016 Return: Wed Apr 27 2016 Trip spans 5 days
Frontier
Frontier
DEN
2:38p
SEA
5:35p
2h 57m
nonstop
SEA
7:30a
DEN
10:10a
2h 40m
nonstop
Depart: Wed Apr 27 2016 Return: Tue May 3 2016 Trip spans 7 days
Frontier
Frontier
DEN
2:38p
SEA
5:35p
2h 57m
nonstop
SEA
3:20p
DEN
5:57p
2h 37m
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
7:30a
DEN
10:10a
2h 40m
nonstop
Depart: Wed May 4 2016 Return: Tue May 10 2016 Trip spans 7 days
Frontier
Frontier
DEN
4:55a
SEA
7:49a
2h 54m
nonstop
SEA
7:30a
DEN
10:12a
2h 42m
nonstop
Depart: Tue May 24 2016 Return: Tue May 31 2016 Trip spans 8 days
Spirit Airlines
Spirit Airlines
DEN
2:19p
SEA
9:35p
7h 16m
1 stop
SEA
5:33p
DEN
5:58a
12h 25m
2 stops
Depart: Mon Mar 28 2016 Return: Tue Mar 29 2016 Trip spans 2 days
Alaska Airlines
Alaska Airlines
DEN
2:00a
SEA
4:59a
2h 59m
nonstop
SEA
11:20a
DEN
1:50p
2h 30m
nonstop
Depart: Mon Apr 11 2016 Return: Sat Apr 16 2016 Trip spans 6 days
Delta
Delta
DEN
11:25a
SEA
2:29p
3h 04m
nonstop
SEA
3:50a
DEN
6:29a
2h 39m
nonstop
Depart: Sun Apr 24 2016 Return: Mon Apr 25 2016 Trip spans 2 days
United
United
DEN
4:07a
SEA
7:00a
2h 53m
nonstop
SEA
3:53a
DEN
6:32a
2h 39m
nonstop
Depart: Tue Aug 16 2016 Return: Mon Aug 22 2016 Trip spans 7 days
American Airlines
American Airlines
DEN
4:00a
SEA
6:50a
2h 50m
nonstop
SEA
4:30p
DEN
6:59p
2h 29m
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 16 - Mar 23
1188 8:15 am 10:15 am Mar 3 - Mar 12
1188 8:15 am 10:15 am Mar 13 - Mar 25
1188 8:15 am 10:15 am Mar 2 - Mar 2
5682 8:15 am 10:33 am Feb 21 - Feb 28
5682 8:15 am 10:30 am Feb 27 - Feb 27
5682 8:15 am 10:33 am Mar 1 - Mar 1
5682 8:15 am 10:33 am Feb 18 - Feb 19
5682 8:15 am 10:33 am Feb 15 - Feb 17
5682 8:15 am 10:33 am Feb 22 - Feb 29
5700 8:15 am 10:30 am Feb 20 - Feb 20
5680 11:59 am 2:03 pm Mar 1 - Mar 1
5680 11:59 am 2:03 pm Feb 12 - Feb 19
5680 11:59 am 2:02 pm Feb 13 - Feb 27
5680 11:59 am 2:03 pm Feb 17 - Feb 22
5680 11:59 am 2:03 pm Feb 23 - Feb 29
5779 12:00 pm 1:58 pm Mar 19 - Mar 19
5779 12:00 pm 1:58 pm Mar 2 - Mar 11
5779 12:00 pm 1:58 pm Mar 5 - Mar 12
5779 12:00 pm 1:58 pm Mar 13 - Mar 29
5779 12:00 pm 1:58 pm Mar 16 - Mar 23
5680 12:04 pm 2:08 pm Feb 21 - Feb 21
1155 3:30 pm 5:29 pm Mar 13 - Mar 25
1155 3:30 pm 5:29 pm Mar 2 - Mar 12
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 5:30 pm Feb 27 - Feb 27
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 5:31 pm Feb 15 - Feb 17
5778 3:30 pm 5:31 pm Feb 16 - Feb 19
5711 7:10 pm 9:13 pm Feb 27 - Feb 27
5711 7:10 pm 9:15 pm Feb 24 - Mar 1
5711 7:10 pm 9:13 pm Feb 20 - Feb 20
5711 7:10 pm 9:15 pm Feb 23 - Feb 23
5711 7:10 pm 9:15 pm Feb 12 - Feb 19
5711 7:10 pm 9:15 pm Feb 15 - Feb 22
5739 7:14 pm 9:19 pm Feb 28 - Feb 28
5735 7:15 pm 9:11 pm Mar 19 - Mar 26
5735 7:15 pm 9:12 pm Mar 6 - Mar 6
5735 7:15 pm 9:12 pm Mar 2 - Mar 11
5735 7:15 pm 9:11 pm Mar 5 - Mar 12
5735 7:15 pm 9:12 pm Mar 13 - Mar 18
* 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