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
Students
under 26
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: Sat Feb 4 2017 Return: Wed Feb 8 2017 Trip spans 5 days
Frontier
Frontier
DEN
10:59a
SEA
2:02p
3h 03m
nonstop
SEA
1:45p
DEN
4:25p
2h 40m
nonstop
Depart: Wed Mar 15 2017 Return: Sat Mar 25 2017 Trip spans 11 days
Major Airline
Major Airline
DEN
11:00p
SEA
1:58a
2h 58m
nonstop
SEA
10:55a
DEN
1:35p
2h 40m
nonstop
Depart: Sat Feb 18 2017 Return: Tue Feb 21 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DEN
6:15a
SEA
9:13a
2h 58m
nonstop
SEA
2:40p
DEN
5:08p
2h 28m
nonstop
Depart: Thu Mar 2 2017 Return: Sat Mar 4 2017 Trip spans 3 days
Delta
Delta
DEN
10:45a
SEA
1:53p
3h 08m
nonstop
SEA
10:15a
DEN
12:57p
2h 42m
nonstop
Depart: Sat Jan 28 2017 Return: Tue Jan 31 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
DEN
1:27p
SEA
7:59p
6h 32m
1 stop
SEA
4:19p
DEN
6:45a
14h 26m
1 stop
Depart: Wed Jan 25 2017 Return: Thu Jan 26 2017 Trip spans 2 days
Frontier
Frontier
DEN
10:59a
SEA
2:02p
3h 03m
nonstop
SEA
1:50p
DEN
4:32p
2h 42m
nonstop
Depart: Wed Feb 1 2017 Return: Sun Feb 12 2017 Trip spans 12 days
Major Airline
Major Airline
DEN
9:25p
SEA
12:35a
3h 10m
nonstop
SEA
8:40p
DEN
11:11p
2h 31m
nonstop
Depart: Thu Jan 26 2017 Return: Fri Jan 27 2017 Trip spans 2 days
Frontier
Frontier
DEN
10:59a
SEA
2:02p
3h 03m
nonstop
SEA
1:42p
DEN
4:24p
2h 42m
nonstop
Depart: Tue Jul 25 2017 Return: Wed Jul 26 2017 Trip spans 2 days
United
United
DEN
6:00p
SEA
8:47p
2h 47m
nonstop
SEA
1:50p
DEN
4:22p
2h 32m
nonstop
Depart: Sat Mar 4 2017 Return: Sun Mar 5 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
DEN
6:15a
SEA
9:13a
2h 58m
nonstop
SEA
1:40a
DEN
4:11a
2h 31m
nonstop
Depart: Wed Mar 8 2017 Return: Sun Mar 12 2017 Trip spans 4 days
Delta
Delta
DEN
3:00a
SEA
6:20a
3h 20m
nonstop
SEA
9:17a
DEN
12:08p
2h 51m
nonstop
Depart: Mon May 22 2017 Return: Wed May 31 2017 Trip spans 10 days
Major Airline
Major Airline
DEN
11:00p
SEA
1:43a
2h 43m
nonstop
SEA
4:05a
DEN
6:45a
2h 40m
nonstop
Depart: Fri Jan 27 2017 Return: Sat Jan 28 2017 Trip spans 2 days
Frontier
Frontier
DEN
2:35a
SEA
5:45a
3h 10m
nonstop
SEA
1:42p
DEN
4:24p
2h 42m
nonstop
Depart: Mon Mar 6 2017 Return: Fri Mar 10 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
DEN
2:00a
SEA
5:07a
3h 07m
nonstop
SEA
2:40p
DEN
5:08p
2h 28m
nonstop
Depart: Sat Mar 11 2017 Return: Tue Mar 21 2017 Trip spans 10 days
Delta
Delta
DEN
12:44p
SEA
3:45p
3h 01m
nonstop
SEA
9:17a
DEN
12:08p
2h 51m
nonstop
Depart: Tue May 30 2017 Return: Tue Jun 6 2017 Trip spans 8 days
Major Airline
Major Airline
DEN
11:00p
SEA
1:43a
2h 43m
nonstop
SEA
3:00a
DEN
5:42a
2h 42m
nonstop
Depart: Tue Jan 31 2017 Return: Mon Feb 6 2017 Trip spans 7 days
Frontier
Frontier
DEN
10:59a
SEA
2:02p
3h 03m
nonstop
SEA
1:45p
DEN
4:25p
2h 40m
nonstop
Depart: Tue Mar 7 2017 Return: Sat Mar 11 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
DEN
2:00a
SEA
5:07a
3h 07m
nonstop
SEA
1:40a
DEN
4:11a
2h 31m
nonstop
Depart: Fri Apr 7 2017 Return: Fri Apr 14 2017 Trip spans 8 days
Delta
Delta
DEN
3:45p
SEA
6:48p
3h 03m
nonstop
SEA
3:40a
DEN
6:24a
2h 44m
nonstop
Depart: Tue Feb 28 2017 Return: Tue Mar 7 2017 Trip spans 8 days
Major Airline
Major Airline
DEN
1:15a
SEA
4:13a
2h 58m
nonstop
SEA
11:55p
DEN
2:36a
2h 41m
nonstop
Direct flights DEN to SEA on Delta
Flight # Depart DEN Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
4470 8:00 am 10:19 am Feb 8 - Feb 15
4470 8:00 am 10:19 am Feb 2 - Feb 16
4470 8:00 am 10:17 am Jan 28 - Feb 11
4470 8:00 am 10:19 am Jan 25 - Feb 1
4470 8:00 am 10:19 am Jan 24 - Jan 27
4951 8:00 am 10:20 am Feb 17 - Feb 17
5714 8:00 am 10:18 am Feb 18 - Feb 25
5714 8:00 am 10:20 am Feb 20 - Feb 27
5714 8:00 am 10:20 am Feb 19 - Feb 28
5744 8:00 am 10:19 am Jan 29 - Feb 12
5744 8:00 am 10:19 am Feb 6 - Feb 6
5701 12:15 pm 2:19 pm Jan 24 - Jan 24
5701 12:15 pm 2:19 pm Jan 25 - Feb 3
5701 12:15 pm 2:17 pm Jan 28 - Feb 11
5701 12:15 pm 2:19 pm Feb 6 - Feb 10
5701 12:15 pm 2:19 pm Feb 12 - Feb 14
5701 12:15 pm 2:19 pm Feb 16 - Feb 16
5701 12:15 pm 2:14 pm Feb 18 - Feb 18
5701 12:15 pm 2:16 pm Feb 19 - Feb 26
5701 12:15 pm 2:16 pm Feb 20 - Feb 24
5701 12:15 pm 2:16 pm Feb 17 - Feb 17
5701 12:15 pm 2:19 pm Feb 7 - Feb 9
5701 12:15 pm 2:19 pm Feb 13 - Feb 15
5751 2:05 pm 4:08 pm Feb 5 - Feb 5
4633 3:45 pm 5:54 pm Feb 14 - Feb 14
4633 3:45 pm 5:54 pm Feb 13 - Feb 15
4633 3:45 pm 5:54 pm Feb 16 - Feb 16
4633 3:45 pm 5:50 pm Feb 11 - Feb 11
4633 3:45 pm 5:54 pm Feb 7 - Feb 9
4633 3:45 pm 5:54 pm Feb 6 - Feb 12
4633 3:45 pm 5:54 pm Feb 5 - Feb 5
4633 3:45 pm 5:48 pm Jan 28 - Jan 28
4633 3:45 pm 5:54 pm Jan 25 - Feb 3
4633 3:45 pm 5:54 pm Jan 24 - Jan 24
5687 3:45 pm 5:53 pm Feb 20 - Feb 24
5687 3:45 pm 5:53 pm Feb 21 - Feb 27
5687 3:45 pm 5:53 pm Feb 17 - Feb 17
5687 3:45 pm 5:50 pm Feb 18 - Feb 18
5687 3:45 pm 5:53 pm Feb 19 - Feb 19
5688 3:45 pm 5:50 pm Feb 4 - Feb 4
5754 6:00 pm 8:15 pm Feb 17 - Feb 17
5754 6:00 pm 8:15 pm Feb 20 - Feb 28
5840 6:00 pm 8:13 pm Feb 12 - Feb 15
5840 6:00 pm 8:13 pm Jan 24 - Jan 24
5840 6:00 pm 8:13 pm Jan 25 - Feb 3
5840 6:00 pm 8:13 pm Feb 16 - Feb 16
5840 6:00 pm 8:13 pm Feb 6 - Feb 10
* 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

Denver
$119
Destination

Seattle
$119
Airlines Airline reviews

435 travelers who booked a flight from Denver to Seattle rated their chosen airlines with an average of 5.7.

Overall
5.8
Boarding
6.3
Crew
6.8
Comfort
5.4
Food
4.6
Entertainment
4.3