Find Cheap 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
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 Sep 5 2017 Return: Tue Sep 12 2017 Trip spans 8 days
United
United
DEN
6:04p
SEA
8:56p
2h 52m
nonstop
SEA
9:05a
DEN
11:44a
2h 39m
nonstop
Depart: Tue Aug 15 2017 Return: Tue Aug 22 2017 Trip spans 8 days
Frontier
Frontier
DEN
4:00a
SEA
6:57a
2h 57m
nonstop
SEA
2:59p
DEN
5:39p
2h 40m
nonstop
Depart: Mon Aug 21 2017 Return: Mon Aug 28 2017 Trip spans 8 days
Major Airline
Major Airline
DEN
11:40a
SEA
2:36p
2h 56m
nonstop
SEA
10:20p
DEN
12:50a
2h 30m
nonstop
Depart: Tue Aug 22 2017 Return: Sat Aug 26 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
DEN
2:45a
SEA
5:45a
3h 00m
nonstop
SEA
5:15p
DEN
7:44p
2h 29m
nonstop
Depart: Sat Sep 2 2017 Return: Sat Sep 9 2017 Trip spans 8 days
Delta
Delta
DEN
1:45p
SEA
4:40p
2h 55m
nonstop
SEA
6:30a
DEN
9:08a
2h 38m
nonstop
Depart: Tue Jul 25 2017 Return: Wed Jul 26 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
DEN
10:55a
SEA
5:57p
7h 02m
1 stop
SEA
5:45p
DEN
5:59a
12h 14m
2 stops
Depart: Wed Oct 11 2017 Return: Tue Oct 17 2017 Trip spans 7 days
United
United
DEN
6:00p
SEA
8:47p
2h 47m
nonstop
SEA
11:34a
DEN
2:04p
2h 30m
nonstop
Depart: Sun Sep 3 2017 Return: Wed Sep 6 2017 Trip spans 4 days
Frontier
Frontier
DEN
12:00p
SEA
2:55p
2h 55m
nonstop
SEA
2:44p
DEN
5:24p
2h 40m
nonstop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
Major Airline
Major Airline
DEN
8:00a
SEA
10:55a
2h 55m
nonstop
SEA
10:20p
DEN
12:50a
2h 30m
nonstop
Depart: Wed Oct 18 2017 Return: Tue Oct 24 2017 Trip spans 7 days
United
United
DEN
6:00p
SEA
8:47p
2h 47m
nonstop
SEA
11:34a
DEN
2:04p
2h 30m
nonstop
Depart: Wed Sep 6 2017 Return: Wed Sep 13 2017 Trip spans 8 days
Frontier
Frontier
DEN
4:00a
SEA
6:57a
2h 57m
nonstop
SEA
2:15p
DEN
4:58p
2h 43m
nonstop
Depart: Sat Sep 9 2017 Return: Mon Sep 11 2017 Trip spans 3 days
Delta
Delta
DEN
11:30a
SEA
2:25p
2h 55m
nonstop
SEA
2:50p
DEN
5:31p
2h 41m
nonstop
Depart: Sat Sep 30 2017 Return: Sun Oct 1 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
DEN
3:00a
SEA
6:02a
3h 02m
nonstop
SEA
2:20a
DEN
4:50a
2h 30m
nonstop
Depart: Wed Aug 30 2017 Return: Fri Sep 8 2017 Trip spans 10 days
Major Airline
Major Airline
DEN
11:40a
SEA
2:36p
2h 56m
nonstop
SEA
1:15p
DEN
3:43p
2h 28m
nonstop
Depart: Tue Oct 10 2017 Return: Tue Oct 17 2017 Trip spans 8 days
Frontier
Frontier
DEN
12:05p
SEA
3:02p
2h 57m
nonstop
SEA
3:00p
DEN
5:42p
2h 42m
nonstop
Depart: Mon Sep 11 2017 Return: Sat Sep 16 2017 Trip spans 6 days
Delta
Delta
DEN
4:15a
SEA
7:21a
3h 06m
nonstop
SEA
6:30a
DEN
9:08a
2h 38m
nonstop
Depart: Wed Sep 20 2017 Return: Mon Sep 25 2017 Trip spans 6 days
Major Airline
Major Airline
DEN
6:24a
SEA
9:14a
2h 50m
nonstop
SEA
2:55a
DEN
5:40a
2h 45m
nonstop
Depart: Thu Nov 2 2017 Return: Tue Nov 7 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
DEN
3:00a
SEA
6:05a
3h 05m
nonstop
SEA
2:45p
DEN
5:22p
2h 37m
nonstop
Depart: Tue Aug 29 2017 Return: Sun Sep 3 2017 Trip spans 6 days
United
United
DEN
6:04p
SEA
8:56p
2h 52m
nonstop
SEA
11:20a
DEN
2:08p
2h 48m
nonstop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
Delta
Delta
DEN
1:45p
SEA
4:40p
2h 55m
nonstop
SEA
9:30a
DEN
12:08p
2h 38m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Denver
$137
Destination

Seattle
$137
Airlines Airline reviews

544 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
5.6
Food
4.7
Entertainment
4.5