Find Cheap Flights from Seattle to Denver International

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 to Denver International

(Round-trip)
Depart: Tue Aug 22 2017 Return: Tue Aug 29 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
3:55p
DEN
6:24p
2h 29m
nonstop
DEN
4:55a
SEA
8:00a
3h 05m
nonstop
Depart: Thu Aug 24 2017 Return: Sat Aug 26 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
1:15p
DEN
3:44p
2h 29m
nonstop
DEN
11:00p
SEA
2:02a
3h 02m
nonstop
Depart: Tue Aug 29 2017 Return: Sun Sep 3 2017 Trip spans 6 days
Delta
Delta
SEA
6:30a
DEN
9:18a
2h 48m
nonstop
DEN
11:30a
SEA
2:25p
2h 55m
nonstop
Depart: Wed Jun 14 2017 Return: Sat Jun 17 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
SEA
5:35a
DEN
6:50p
13h 15m
1 stop
DEN
2:48p
SEA
9:59p
7h 11m
1 stop
Depart: Wed May 31 2017 Return: Fri Jun 2 2017 Trip spans 3 days
Frontier
Frontier
SEA
5:58a
DEN
8:41a
2h 43m
nonstop
DEN
3:40p
SEA
6:31p
2h 51m
nonstop
Depart: Wed Jul 19 2017 Return: Tue Aug 1 2017 Trip spans 14 days
United
United
SEA
1:15a
DEN
3:52a
2h 37m
nonstop
DEN
6:00p
SEA
8:52p
2h 52m
nonstop
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
2:25a
DEN
4:53a
2h 28m
nonstop
DEN
4:55a
SEA
8:00a
3h 05m
nonstop
Depart: Tue Sep 5 2017 Return: Fri Sep 8 2017 Trip spans 4 days
Delta
Delta
SEA
2:50p
DEN
5:30p
2h 40m
nonstop
DEN
4:15a
SEA
7:12a
2h 57m
nonstop
Depart: Sun Aug 20 2017 Return: Mon Aug 28 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
10:25p
DEN
12:53a
2h 28m
nonstop
DEN
6:24a
SEA
9:14a
2h 50m
nonstop
Depart: Sat Aug 26 2017 Return: Tue Aug 29 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:25a
DEN
4:53a
2h 28m
nonstop
DEN
4:55a
SEA
8:00a
3h 05m
nonstop
Depart: Wed Sep 6 2017 Return: Fri Sep 8 2017 Trip spans 3 days
Delta
Delta
SEA
2:50p
DEN
5:30p
2h 40m
nonstop
DEN
4:15a
SEA
7:12a
2h 57m
nonstop
Depart: Thu Sep 7 2017 Return: Fri Sep 8 2017 Trip spans 2 days
Delta
Delta
SEA
6:30a
DEN
9:18a
2h 48m
nonstop
DEN
11:30a
SEA
2:30p
3h 00m
nonstop
Depart: Sat Sep 9 2017 Return: Tue Sep 12 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
5:15p
DEN
7:43p
2h 28m
nonstop
DEN
3:00a
SEA
6:02a
3h 02m
nonstop
Depart: Wed Jun 21 2017 Return: Tue Jun 27 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
DEN
5:59a
18h 44m
1 stop
DEN
2:48p
SEA
9:59p
7h 11m
1 stop
Depart: Mon Jun 12 2017 Return: Tue Jun 13 2017 Trip spans 2 days
Major Airline
Major Airline
SEA
10:25p
DEN
12:56a
2h 31m
2 stops
DEN
7:50a
SEA
10:47a
2h 57m
2 stops
Depart: Fri Sep 8 2017 Return: Sat Sep 9 2017 Trip spans 2 days
Delta
Delta
SEA
2:50p
DEN
5:30p
2h 40m
nonstop
DEN
11:30a
SEA
2:25p
2h 55m
nonstop
Depart: Sun Sep 10 2017 Return: Tue Sep 12 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SEA
2:20a
DEN
4:50a
2h 30m
nonstop
DEN
4:55a
SEA
8:00a
3h 05m
nonstop
Depart: Tue Aug 8 2017 Return: Thu Aug 17 2017 Trip spans 10 days
Frontier
Frontier
SEA
3:05p
DEN
5:45p
2h 40m
nonstop
DEN
12:10p
SEA
3:05p
2h 55m
nonstop
Depart: Tue Jun 6 2017 Return: Wed Jun 7 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
SEA
5:50p
DEN
7:33a
13h 43m
1 stop
DEN
10:55a
SEA
6:05p
7h 10m
1 stop
Depart: Tue Jul 25 2017 Return: Sun Aug 6 2017 Trip spans 13 days
Major Airline
Major Airline
SEA
10:28p
DEN
11:25a
12h 57m
1 stop
DEN
11:00p
SEA
11:50a
12h 50m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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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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Airports
Origin

Seattle
$157
Destination

Denver
$157
Airlines Airline reviews

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

Overall
6.0
Boarding
6.4
Crew
7.0
Comfort
5.6
Food
4.7
Entertainment
4.5