Find Cheap Flights from Seattle/Tacoma Intl to Denver International (SEA - DEN)

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 Seattle/Tacoma Intl to Denver International

(Round-trip)
Depart: Tue Aug 22 2017 Return: Wed Aug 23 2017 Trip spans 2 days
Frontier
Frontier
SEA
2:59p
DEN
5:39p
2h 40m
nonstop
DEN
4:00a
SEA
6:57a
2h 57m
nonstop
Depart: Mon Aug 21 2017 Return: Tue Aug 29 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
2:50a
DEN
5:35a
2h 45m
nonstop
DEN
12:00a
SEA
2:57a
2h 57m
nonstop
Depart: Tue Sep 12 2017 Return: Fri Sep 15 2017 Trip spans 4 days
United
United
SEA
9:05a
DEN
11:44a
2h 39m
nonstop
DEN
6:15p
SEA
9:10p
2h 55m
nonstop
Depart: Sat Aug 26 2017 Return: Sat Sep 2 2017 Trip spans 8 days
Delta
Delta
SEA
6:30a
DEN
9:18a
2h 48m
nonstop
DEN
11:30a
SEA
2:25p
2h 55m
nonstop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
2:20a
DEN
4:50a
2h 30m
nonstop
DEN
10:24a
SEA
1:14p
2h 50m
nonstop
Depart: Fri Jul 14 2017 Return: Sat Jul 15 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
SEA
5:49a
DEN
6:18p
12h 29m
1 stop
DEN
2:48p
SEA
9:59p
7h 11m
1 stop
Depart: Wed Aug 30 2017 Return: Sun Sep 3 2017 Trip spans 5 days
Frontier
Frontier
SEA
2:44p
DEN
5:24p
2h 40m
nonstop
DEN
4:00a
SEA
6:57a
2h 57m
nonstop
Depart: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
10:44a
DEN
1:24p
2h 40m
nonstop
DEN
12:00a
SEA
2:57a
2h 57m
nonstop
Depart: Wed Sep 20 2017 Return: Mon Sep 25 2017 Trip spans 6 days
United
United
SEA
9:05a
DEN
11:44a
2h 39m
nonstop
DEN
6:15p
SEA
9:10p
2h 55m
nonstop
Depart: Wed Sep 6 2017 Return: Tue Sep 12 2017 Trip spans 7 days
Frontier
Frontier
SEA
2:44p
DEN
5:24p
2h 40m
nonstop
DEN
12:05p
SEA
3:02p
2h 57m
nonstop
Depart: Sat Sep 9 2017 Return: Mon Sep 11 2017 Trip spans 3 days
Delta
Delta
SEA
9:30a
DEN
12:08p
2h 38m
nonstop
DEN
12:00p
SEA
2:55p
2h 55m
nonstop
Depart: Thu Sep 28 2017 Return: Wed Oct 4 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
1:15p
DEN
3:43p
2h 28m
nonstop
DEN
3:05a
SEA
5:55a
2h 50m
nonstop
Depart: Tue Oct 3 2017 Return: Fri Oct 6 2017 Trip spans 4 days
United
United
SEA
9:05a
DEN
11:44a
2h 39m
nonstop
DEN
6:00p
SEA
8:47p
2h 47m
nonstop
Depart: Sat Nov 11 2017 Return: Tue Nov 14 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:45p
DEN
5:22p
2h 37m
nonstop
DEN
2:00a
SEA
4:55a
2h 55m
nonstop
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
Frontier
Frontier
SEA
2:15p
DEN
4:58p
2h 43m
nonstop
DEN
4:00a
SEA
7:02a
3h 02m
nonstop
Depart: Sat Sep 23 2017 Return: Mon Sep 25 2017 Trip spans 3 days
Delta
Delta
SEA
9:30a
DEN
12:08p
2h 38m
nonstop
DEN
4:15a
SEA
7:21a
3h 06m
nonstop
Depart: Wed Oct 4 2017 Return: Fri Oct 6 2017 Trip spans 3 days
United
United
SEA
1:20p
DEN
3:56p
2h 36m
nonstop
DEN
6:00p
SEA
8:47p
2h 47m
nonstop
Depart: Mon Oct 16 2017 Return: Thu Oct 19 2017 Trip spans 4 days
Major Airline
Major Airline
SEA
10:20p
DEN
12:54a
2h 34m
nonstop
DEN
11:00p
SEA
2:05a
3h 05m
nonstop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
Frontier
Frontier
SEA
3:00p
DEN
5:42p
2h 42m
nonstop
DEN
12:05p
SEA
3:02p
2h 57m
nonstop
Depart: Wed Nov 8 2017 Return: Sun Nov 12 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
1:15a
DEN
3:45a
2h 30m
nonstop
DEN
2:00a
SEA
4:55a
2h 55m
nonstop
Direct flights SEA to DEN on American Airlines
Flight # Depart SEA Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
6932 6:25 am 9:56 am Jun 29 - Jul 7
6932 6:25 am 9:56 am Jul 8 - Jul 10
6932 6:25 am 9:56 am Jul 9 - Jul 15
6932 6:25 am 9:56 am Jul 16 - Jul 16
6932 6:25 am 9:53 am Jul 17 - Jul 26
6932 6:25 am 9:53 am Jul 18 - Jul 25
6932 6:25 am 9:53 am Jul 27 - Aug 3
6932 6:25 am 9:53 am Jul 28 - Aug 2
6932 6:25 am 9:53 am Aug 4 - Aug 8
7008 10:00 am 1:45 pm Jul 1 - Jul 6
7008 10:00 am 1:45 pm Jul 7 - Jul 14
7008 10:00 am 1:45 pm Jul 9 - Jul 15
7008 10:00 am 1:45 pm Jul 16 - Jul 23
7008 10:00 am 1:45 pm Jul 17 - Jul 20
7008 10:00 am 1:45 pm Jul 24 - Aug 1
7008 10:00 am 1:45 pm Jul 30 - Aug 6
7008 10:00 am 1:45 pm Aug 3 - Aug 10
6934 12:00 pm 3:49 pm Jul 27 - Jul 27
6934 12:00 pm 3:49 pm Jul 28 - Aug 9
6934 12:00 pm 3:52 pm Jun 29 - Jul 9
6934 12:00 pm 3:52 pm Jul 3 - Jul 4
6934 12:00 pm 3:52 pm Jul 10 - Jul 16
6934 12:00 pm 3:49 pm Jul 17 - Jul 18
6934 12:00 pm 3:49 pm Jul 19 - Jul 26
6987 3:50 pm 7:43 pm Jun 29 - Jul 6
6987 3:50 pm 7:43 pm Jul 1 - Jul 7
6987 3:50 pm 7:43 pm Jul 8 - Jul 15
6987 3:50 pm 7:43 pm Jul 9 - Jul 16
6987 3:50 pm 7:38 pm Jul 17 - Jul 27
6987 3:50 pm 7:38 pm Jul 21 - Jul 21
6987 3:50 pm 7:38 pm Jul 28 - Aug 4
6987 3:50 pm 7:38 pm Jul 30 - Aug 7
6990 7:55 pm 11:23 pm Jun 29 - Jul 6
6990 7:55 pm 11:23 pm Jul 1 - Jul 7
6990 7:55 pm 11:23 pm Jul 8 - Jul 16
6990 7:55 pm 11:23 pm Jul 12 - Jul 12
6990 7:55 pm 11:24 pm Jul 17 - Jul 25
6990 7:55 pm 11:24 pm Jul 26 - Jul 26
6990 7:55 pm 11:24 pm Jul 27 - Aug 6
7053 9:15 pm 12:42 am Jun 29 - Jul 8
7053 9:15 pm 12:42 am Jul 2 - Jul 4
7053 9:15 pm 12:42 am Jul 9 - Jul 15
7053 9:15 pm 12:42 am Jul 11 - Jul 16
7053 9:15 pm 12:44 am Jul 17 - Jul 23
7053 9:15 pm 12:44 am Jul 18 - Jul 24
7053 9:15 pm 12:44 am Jul 25 - Aug 3
7053 9:15 pm 12:44 am Jul 28 - Jul 28
7053 9:15 pm 12:44 am Aug 4 - Aug 11
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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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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^ 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

Seattle
$138
Destination

Denver
$138
Airlines Airline reviews

641 travelers who booked a flight from Seattle to Denver rated their chosen airlines with an average of 5.9.

Overall
6.0
Boarding
6.4
Crew
7.0
Comfort
5.7
Food
4.8
Entertainment
4.6