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: Wed Oct 5 2016 Return: Tue Oct 11 2016 Trip spans 7 days
Frontier
Frontier
DEN
11:05a
SEA
1:57p
2h 52m
nonstop
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
Depart: Tue Oct 11 2016 Return: Wed Oct 12 2016 Trip spans 2 days
Major Airline
Major Airline
DEN
10:35p
SEA
1:30a
2h 55m
nonstop
SEA
3:10a
DEN
5:54a
2h 44m
nonstop
Depart: Sat Dec 24 2016 Return: Wed Dec 28 2016 Trip spans 5 days
Delta
Delta
DEN
7:30a
SEA
10:35a
3h 05m
nonstop
SEA
2:45a
DEN
5:29a
2h 44m
nonstop
Depart: Thu Mar 2 2017 Return: Sun Mar 5 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DEN
6:15a
SEA
9:13a
2h 58m
nonstop
SEA
1:40a
DEN
4:11a
2h 31m
nonstop
Depart: Tue Nov 29 2016 Return: Tue Dec 6 2016 Trip spans 8 days
United
United
DEN
4:15a
SEA
12:50p
8h 35m
1 stop
SEA
1:45a
DEN
4:22a
2h 37m
nonstop
Depart: Wed Oct 12 2016 Return: Tue Oct 18 2016 Trip spans 7 days
Frontier
Frontier
DEN
3:00a
SEA
5:57a
2h 57m
nonstop
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
Depart: Fri Oct 21 2016 Return: Sat Oct 22 2016 Trip spans 2 days
Major Airline
Major Airline
DEN
10:35p
SEA
1:30a
2h 55m
nonstop
SEA
9:10a
DEN
11:51a
2h 41m
nonstop
Depart: Tue Oct 18 2016 Return: Wed Oct 19 2016 Trip spans 2 days
Frontier
Frontier
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
Depart: Tue Nov 1 2016 Return: Mon Nov 7 2016 Trip spans 7 days
Major Airline
Major Airline
DEN
10:35p
SEA
1:30a
2h 55m
nonstop
SEA
12:15a
DEN
2:44a
2h 29m
nonstop
Depart: Wed Oct 19 2016 Return: Tue Oct 25 2016 Trip spans 7 days
Frontier
Frontier
DEN
3:00a
SEA
5:57a
2h 57m
nonstop
SEA
7:25a
DEN
10:13a
2h 48m
nonstop
Depart: Tue Oct 25 2016 Return: Wed Oct 26 2016 Trip spans 2 days
Frontier
Frontier
DEN
4:35a
SEA
7:32a
2h 57m
nonstop
SEA
1:10p
DEN
3:51p
2h 41m
nonstop
Depart: Mon Oct 3 2016 Return: Tue Oct 11 2016 Trip spans 9 days
Major Airline
Major Airline
DEN
10:35p
SEA
1:30a
2h 55m
nonstop
SEA
9:10a
DEN
11:51a
2h 41m
nonstop
Depart: Sat Mar 11 2017 Return: Tue Mar 14 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
DEN
10:15a
SEA
4:30p
6h 15m
1 stop
SEA
5:40a
DEN
2:56p
9h 16m
2 stops
Depart: Thu Mar 9 2017 Return: Sat Mar 11 2017 Trip spans 3 days
American Airlines
American Airlines
DEN
1:35p
SEA
4:40p
3h 05m
nonstop
SEA
5:15a
DEN
7:45a
2h 30m
nonstop
Depart: Wed Oct 26 2016 Return: Tue Nov 1 2016 Trip spans 7 days
Frontier
Frontier
DEN
10:20a
SEA
1:12p
2h 52m
nonstop
SEA
2:55p
DEN
5:32p
2h 37m
nonstop
Depart: Wed Jan 4 2017 Return: Fri Jan 6 2017 Trip spans 3 days
Delta
Delta
DEN
2:15p
SEA
5:18p
3h 03m
nonstop
SEA
2:00p
DEN
4:45p
2h 45m
nonstop
Depart: Sun Jan 22 2017 Return: Sat Jan 28 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
DEN
1:35p
SEA
4:30p
2h 55m
nonstop
SEA
1:40a
DEN
4:12a
2h 32m
nonstop
Depart: Wed Nov 2 2016 Return: Tue Nov 8 2016 Trip spans 7 days
Frontier
Frontier
DEN
11:59a
SEA
3:00p
3h 01m
nonstop
SEA
1:55p
DEN
4:32p
2h 37m
nonstop
Depart: Fri Mar 3 2017 Return: Sat Mar 4 2017 Trip spans 2 days
Delta
Delta
DEN
2:15p
SEA
5:18p
3h 03m
nonstop
SEA
2:00p
DEN
4:40p
2h 40m
nonstop
Depart: Wed Dec 14 2016 Return: Sat Dec 17 2016 Trip spans 4 days
Major Airline
Major Airline
DEN
9:00p
SEA
12:15a
3h 15m
nonstop
SEA
12:10a
DEN
2:48a
2h 38m
nonstop
Direct flights DEN to SEA on Delta
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
32 8:00 am 10:01 am Oct 2 - Oct 27
32 8:00 am 10:01 am Oct 4 - Oct 12
32 8:00 am 10:00 am Oct 1 - Oct 22
32 8:00 am 10:01 am Oct 18 - Oct 18
32 8:00 am 10:01 am Oct 28 - Oct 28
32 8:00 am 10:00 am Oct 29 - Oct 29
32 8:00 am 10:01 am Oct 19 - Oct 26
996 8:00 am 10:01 am Oct 30 - Nov 4
2209 12:15 pm 2:11 pm Oct 22 - Oct 29
2209 12:15 pm 2:11 pm Oct 24 - Oct 24
2209 12:15 pm 2:11 pm Oct 25 - Oct 26
2209 12:15 pm 2:11 pm Oct 19 - Oct 23
2209 12:15 pm 2:11 pm Oct 18 - Oct 18
2209 12:15 pm 2:11 pm Oct 17 - Oct 17
2209 12:15 pm 2:11 pm Nov 1 - Nov 4
2209 12:15 pm 2:11 pm Oct 2 - Oct 16
2209 12:15 pm 2:11 pm Oct 1 - Oct 15
2209 12:15 pm 2:11 pm Oct 27 - Oct 31
1089 3:30 pm 5:31 pm Oct 17 - Oct 17
1089 3:30 pm 5:31 pm Oct 4 - Oct 19
1089 3:30 pm 5:31 pm Oct 30 - Nov 4
1089 3:30 pm 5:31 pm Oct 2 - Oct 16
1089 3:30 pm 5:31 pm Oct 24 - Oct 24
1089 3:30 pm 5:31 pm Oct 20 - Oct 28
4597 3:30 pm 5:35 pm Oct 25 - Oct 26
5694 3:30 pm 5:33 pm Oct 22 - Oct 29
5694 3:30 pm 5:33 pm Oct 1 - Oct 15
5751 7:15 pm 9:24 pm Oct 2 - Oct 16
5751 7:15 pm 9:24 pm Oct 17 - Oct 23
5751 7:15 pm 9:24 pm Oct 18 - Oct 25
5751 7:15 pm 9:24 pm Oct 24 - Oct 28
5751 7:15 pm 9:24 pm Oct 30 - Oct 30
5751 7:15 pm 9:24 pm Oct 31 - Oct 31
5751 7:15 pm 9:24 pm Oct 19 - Oct 19
5751 7:15 pm 9:24 pm Nov 1 - 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.

^ 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

Denver
$107
Destination

Seattle
$107
Airlines Airline reviews

336 travelers who booked a flight from Denver to Seattle rated their chosen airlines with an average of 5.8.

Overall
5.9
Boarding
6.4
Crew
6.9
Comfort
5.5
Food
4.7
Entertainment
4.5