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Find Flight Deals from Seattle/Tacoma Intl to Denver International (SEA - DEN)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Denver International

(Round-trip)
Depart: Tue Jan 6 2015 Return: Tue Feb 10 2015 Trip spans 36 days
Frontier
Frontier
SEA
2:45p
DEN
5:13p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Wed Jan 7 2015 Return: Wed Jan 21 2015 Trip spans 15 days
Frontier
Frontier
SEA
2:45p
DEN
5:13p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Tue Jan 13 2015 Return: Wed Jan 21 2015 Trip spans 9 days
Frontier
Frontier
SEA
2:45p
DEN
5:13p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Sat Jan 17 2015 Return: Wed Jan 21 2015 Trip spans 5 days
Frontier
Frontier
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Tue Jan 20 2015 Return: Wed Jan 21 2015 Trip spans 2 days
Frontier
Frontier
SEA
2:45p
DEN
5:13p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Wed Jan 21 2015 Return: Sat Jan 24 2015 Trip spans 4 days
Frontier
Frontier
SEA
2:45p
DEN
5:13p
2h 28m
nonstop
DEN
12:22p
SEA
3:15p
2h 53m
nonstop
Depart: Sat Jan 24 2015 Return: Tue Jan 27 2015 Trip spans 4 days
Frontier
Frontier
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Mon Jan 26 2015 Return: Tue Jan 27 2015 Trip spans 2 days
Frontier
Frontier
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Tue Jan 27 2015 Return: Wed Jan 28 2015 Trip spans 2 days
Frontier
Frontier
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Wed Jan 28 2015 Return: Sat Jan 31 2015 Trip spans 4 days
Frontier
Frontier
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
DEN
12:22p
SEA
3:15p
2h 53m
nonstop
Depart: Sat Jan 31 2015 Return: Tue Feb 10 2015 Trip spans 11 days
Frontier
Frontier
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Mon Feb 2 2015 Return: Tue Feb 3 2015 Trip spans 2 days
Frontier
Frontier
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Wed Feb 4 2015 Return: Wed Feb 11 2015 Trip spans 8 days
Frontier
Frontier
SEA
2:50p
DEN
5:18p
2h 28m
nonstop
DEN
2:40a
SEA
5:33a
2h 53m
nonstop
Depart: Sat Feb 7 2015 Return: Tue Feb 10 2015 Trip spans 4 days
Frontier
Frontier
SEA
2:55p
DEN
5:23p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Thu Jan 8 2015 Return: Wed Jan 21 2015 Trip spans 14 days
Frontier
Frontier
SEA
2:45p
DEN
5:13p
2h 28m
nonstop
DEN
12:12p
SEA
3:05p
2h 53m
nonstop
Depart: Fri Mar 13 2015 Return: Sat Mar 14 2015 Trip spans 2 days
Multiple Airlines
Multiple Airlines
SEA
3:20p
DEN
5:45p
2h 25m
nonstop
DEN
12:50p
SEA
3:37p
2h 47m
nonstop
Depart: Thu May 28 2015 Return: Mon Jun 1 2015 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
2:40a
DEN
5:15a
2h 35m
nonstop
DEN
7:05a
SEA
9:47a
2h 42m
nonstop
Depart: Sun May 24 2015 Return: Fri May 29 2015 Trip spans 6 days
American Airlines
American Airlines
SEA
2:55p
DEN
5:25p
2h 30m
nonstop
DEN
2:00a
SEA
4:43a
2h 43m
nonstop
Depart: Wed Mar 4 2015 Return: Sat Mar 7 2015 Trip spans 4 days
Delta
Delta
SEA
7:55p
DEN
2:34a
6h 39m
1 stop
DEN
3:45a
SEA
8:08a
4h 23m
1 stop
Depart: Mon May 18 2015 Return: Tue May 26 2015 Trip spans 9 days
United
United
SEA
8:30p
DEN
5:30a
9h 00m
2 stops
DEN
11:25a
SEA
2:19p
2h 54m
nonstop
Change your search
Direct flights SEA to DEN on Delta
Flight # Depart SEA Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
7661 7:35 am 11:08 am Jan 17 - Feb 7
7661 7:35 am 11:08 am Jan 11 - Feb 6
7661 7:35 am 11:06 am Dec 28 - Jan 4
7661 7:35 am 11:06 am Dec 29 - Jan 2
7661 7:35 am 11:06 am Jan 6 - Jan 8
7661 7:35 am 11:06 am Jan 5 - Jan 10
7513 1:25 pm 4:57 pm Dec 18 - Jan 2
7513 1:25 pm 4:57 pm Jan 3 - Jan 10
7513 1:25 pm 4:57 pm Jan 4 - Jan 5
7513 1:25 pm 5:00 pm Jan 11 - Jan 19
7513 1:25 pm 5:00 pm Jan 20 - Feb 6
7513 1:25 pm 5:00 pm Jan 13 - Jan 17
7693 7:35 pm 10:59 pm Jan 11 - Jan 17
7693 7:35 pm 10:59 pm Jan 13 - Jan 21
7693 7:35 pm 10:56 pm Jan 10 - Jan 10
7693 7:35 pm 10:56 pm Jan 8 - Jan 9
7693 7:35 pm 10:56 pm Dec 31 - Jan 7
7693 7:35 pm 10:56 pm Dec 30 - Jan 4
7693 7:35 pm 10:56 pm Dec 22 - Dec 29
7693 7:35 pm 10:59 pm Jan 26 - Feb 4
7693 7:35 pm 10:59 pm Jan 22 - Jan 30
7487 8:35 pm 11:56 pm Jan 10 - Jan 10
7499 8:35 pm 11:59 pm Jan 11 - Feb 4
7499 8:35 pm 11:56 pm Dec 24 - Dec 30
7499 8:35 pm 11:56 pm Dec 26 - Jan 5
7499 8:35 pm 11:56 pm Jan 1 - Jan 8
7499 8:35 pm 11:56 pm Jan 9 - Jan 9
7499 8:35 pm 11:59 pm Jan 16 - Jan 30
Airports
Origin

Seattle
$145
Destination

Denver
$145