Find Deals on Flights from Denver International to Seattle

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.
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Book cheap flights from Denver International to Seattle

(Round-trip)
Depart: Tue Jan 17 2017 Return: Wed Jan 18 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: Fri Feb 3 2017 Return: Tue Feb 7 2017 Trip spans 5 days
Major Airline
Major Airline
DEN
8:35a
SEA
11:30a
2h 55m
nonstop
SEA
4:05a
DEN
6:35a
2h 30m
nonstop
Depart: Sun Feb 19 2017 Return: Wed Feb 22 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
DEN
2:00a
SEA
5:07a
3h 07m
nonstop
SEA
2:40p
DEN
5:03p
2h 23m
nonstop
Depart: Tue Apr 18 2017 Return: Tue Apr 25 2017 Trip spans 8 days
American Airlines
American Airlines
DEN
10:00a
SEA
4:31p
6h 31m
1 stop
SEA
1:59p
DEN
7:42p
5h 43m
1 stop
Depart: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
DEN
10:50a
SEA
5:55p
7h 05m
1 stop
SEA
5:30a
DEN
5:55p
12h 25m
1 stop
Depart: Mon May 1 2017 Return: Sat May 6 2017 Trip spans 6 days
Delta
Delta
DEN
6:37a
SEA
9:42a
3h 05m
nonstop
SEA
9:24a
DEN
12:02p
2h 38m
nonstop
Depart: Wed Jan 18 2017 Return: Tue Jan 24 2017 Trip spans 7 days
Frontier
Frontier
DEN
1:10a
SEA
4:20a
3h 10m
nonstop
SEA
1:50p
DEN
4:32p
2h 42m
nonstop
Depart: Tue Feb 7 2017 Return: Tue Feb 14 2017 Trip spans 8 days
Frontier
Frontier
DEN
10:59a
SEA
2:02p
3h 03m
nonstop
SEA
1:55p
DEN
4:31p
2h 36m
nonstop
Depart: Sun Feb 5 2017 Return: Tue Feb 7 2017 Trip spans 3 days
Major Airline
Major Airline
DEN
1:15a
SEA
4:11a
2h 56m
nonstop
SEA
9:40a
DEN
12:03p
2h 23m
nonstop
Depart: Tue Feb 14 2017 Return: Tue Feb 28 2017 Trip spans 15 days
Frontier
Frontier
DEN
10:59a
SEA
2:02p
3h 03m
nonstop
SEA
1:55p
DEN
4:31p
2h 36m
nonstop
Depart: Mon Feb 6 2017 Return: Thu Feb 9 2017 Trip spans 4 days
Major Airline
Major Airline
DEN
5:59a
SEA
9:02a
3h 03m
nonstop
SEA
8:55a
DEN
11:31a
2h 36m
nonstop
Depart: Fri Feb 24 2017 Return: Sun Feb 26 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
DEN
1:35p
SEA
4:40p
3h 05m
nonstop
SEA
1:40a
DEN
4:11a
2h 31m
nonstop
Depart: Tue Apr 25 2017 Return: Wed Apr 26 2017 Trip spans 2 days
American Airlines
American Airlines
DEN
2:21a
SEA
10:46a
8h 25m
1 stop
SEA
1:30p
DEN
7:26p
5h 56m
1 stop
Depart: Wed Feb 15 2017 Return: Tue Feb 21 2017 Trip spans 7 days
Frontier
Frontier
DEN
1:00a
SEA
4:10a
3h 10m
nonstop
SEA
1:55p
DEN
4:31p
2h 36m
nonstop
Depart: Tue Feb 28 2017 Return: Fri Mar 3 2017 Trip spans 4 days
Major Airline
Major Airline
DEN
8:00p
SEA
11:10p
3h 10m
nonstop
SEA
8:40p
DEN
11:11p
2h 31m
nonstop
Depart: Thu Mar 9 2017 Return: Sun Mar 12 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
DEN
9:45a
SEA
12:40p
2h 55m
nonstop
SEA
8:05a
DEN
10:38a
2h 33m
nonstop
Depart: Tue May 2 2017 Return: Wed May 3 2017 Trip spans 2 days
American Airlines
American Airlines
DEN
4:35a
SEA
10:46a
6h 11m
1 stop
SEA
4:27a
DEN
10:06a
5h 39m
1 stop
Depart: Wed Feb 22 2017 Return: Wed Mar 1 2017 Trip spans 8 days
Frontier
Frontier
DEN
1:00a
SEA
4:10a
3h 10m
nonstop
SEA
1:55p
DEN
4:31p
2h 36m
nonstop
Depart: Tue Dec 13 2016 Return: Fri Dec 30 2016 Trip spans 18 days
Major Airline
Major Airline
DEN
8:00p
SEA
11:10p
3h 10m
nonstop
SEA
4:05a
DEN
6:35a
2h 30m
nonstop
Depart: Sat Mar 11 2017 Return: Mon Mar 13 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
DEN
6:15a
SEA
9:13a
2h 58m
nonstop
SEA
8:05a
DEN
10:38a
2h 33m
nonstop
* 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.

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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
$147
Destination

Seattle
$147
Airlines Airline reviews

350 travelers who booked a flight from Denver to Seattle rated their chosen airlines with an average of 5.5.

Overall
5.6
Boarding
6.2
Crew
6.7
Comfort
5.2
Food
4.2
Entertainment
3.9