Find Deals on 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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: Wed Mar 1 2017 Return: Fri Mar 3 2017 Trip spans 3 days
Frontier
Frontier
SEA
1:55p
DEN
4:35p
2h 40m
nonstop
DEN
1:10a
SEA
4:22a
3h 12m
nonstop
Depart: Sun Mar 12 2017 Return: Tue Mar 14 2017 Trip spans 3 days
Major Airline
Major Airline
SEA
10:15p
DEN
12:44a
2h 29m
nonstop
DEN
11:00p
SEA
1:58a
2h 58m
nonstop
Depart: Mon Mar 20 2017 Return: Tue Mar 21 2017 Trip spans 2 days
Delta
Delta
SEA
3:00p
DEN
5:43p
2h 43m
nonstop
DEN
6:32a
SEA
9:37a
3h 05m
nonstop
Depart: Sat Apr 8 2017 Return: Mon Apr 17 2017 Trip spans 10 days
Alaska Airlines
Alaska Airlines
SEA
11:50a
DEN
2:20p
2h 30m
nonstop
DEN
4:25p
SEA
7:16p
2h 51m
nonstop
Depart: Wed Feb 22 2017 Return: Wed Mar 1 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
4:40a
DEN
2:04p
9h 24m
2 stops
DEN
1:25p
SEA
7:59p
6h 34m
1 stop
Depart: Sat Mar 4 2017 Return: Wed Mar 8 2017 Trip spans 5 days
Frontier
Frontier
SEA
1:55p
DEN
4:35p
2h 40m
nonstop
DEN
2:05a
SEA
5:09a
3h 04m
nonstop
Depart: Fri Mar 10 2017 Return: Sat Mar 11 2017 Trip spans 2 days
Frontier
Frontier
SEA
4:55a
DEN
7:36a
2h 41m
nonstop
DEN
2:05a
SEA
5:09a
3h 04m
nonstop
Depart: Thu Mar 9 2017 Return: Mon Mar 13 2017 Trip spans 4 days
Major Airline
Major Airline
SEA
11:55p
DEN
2:36a
2h 41m
nonstop
DEN
7:40a
SEA
10:43a
3h 03m
nonstop
Depart: Mon Mar 13 2017 Return: Wed Mar 15 2017 Trip spans 3 days
Frontier
Frontier
SEA
2:55p
DEN
5:35p
2h 40m
nonstop
DEN
2:00a
SEA
5:04a
3h 04m
nonstop
Depart: Thu Mar 23 2017 Return: Tue Mar 28 2017 Trip spans 6 days
Delta
Delta
SEA
3:50a
DEN
6:40a
2h 50m
nonstop
DEN
1:44p
SEA
4:48p
3h 04m
nonstop
Depart: Sun Apr 9 2017 Return: Thu Apr 13 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
2:15a
DEN
4:44a
2h 29m
nonstop
DEN
4:25p
SEA
7:16p
2h 51m
nonstop
Depart: Mon Apr 3 2017 Return: Mon Apr 17 2017 Trip spans 15 days
Major Airline
Major Airline
SEA
10:15p
DEN
12:44a
2h 29m
nonstop
DEN
11:00p
SEA
1:46a
2h 46m
nonstop
Depart: Sat Feb 25 2017 Return: Fri Mar 3 2017 Trip spans 7 days
Frontier
Frontier
SEA
1:55p
DEN
4:35p
2h 40m
nonstop
DEN
1:10a
SEA
4:22a
3h 12m
nonstop
Depart: Thu Apr 13 2017 Return: Fri Apr 14 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
2:15a
DEN
4:48a
2h 33m
nonstop
DEN
3:00a
SEA
5:46a
2h 46m
nonstop
Depart: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
Delta
Delta
SEA
9:31a
DEN
12:21p
2h 50m
nonstop
DEN
2:45a
SEA
5:58a
3h 13m
nonstop
Depart: Fri Mar 24 2017 Return: Thu Mar 30 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
1:55a
DEN
4:36a
2h 41m
2 stops
DEN
2:45a
SEA
5:40a
2h 55m
2 stops
Depart: Mon Feb 27 2017 Return: Fri Mar 3 2017 Trip spans 5 days
Frontier
Frontier
SEA
1:55p
DEN
4:35p
2h 40m
nonstop
DEN
1:10a
SEA
4:22a
3h 12m
nonstop
Depart: Fri Apr 14 2017 Return: Sat Apr 15 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
3:45p
DEN
6:12p
2h 27m
nonstop
DEN
3:00a
SEA
5:46a
2h 46m
nonstop
Depart: Mon May 1 2017 Return: Sat May 6 2017 Trip spans 6 days
Delta
Delta
SEA
6:00a
DEN
8:48a
2h 48m
nonstop
DEN
1:39p
SEA
4:34p
2h 55m
nonstop
Depart: Sat Mar 25 2017 Return: Thu Mar 30 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
7:50a
DEN
10:20a
2h 30m
nonstop
DEN
7:40a
SEA
10:43a
3h 03m
nonstop
Direct flights SEA to DEN on American Airlines
Flight # Depart SEA Arrive DEN Sun Mon Tue Wed Thu Fri Sat Valid Between
6932 6:15 am 9:44 am Mar 25 - Apr 1
6932 6:15 am 9:44 am Mar 21 - Mar 27
6932 6:15 am 9:44 am Mar 14 - Mar 20
6932 6:15 am 9:44 am Mar 12 - Mar 19
6932 6:15 am 9:44 am Mar 31 - Apr 9
6932 6:40 am 10:11 am Feb 25 - Mar 4
6932 6:40 am 10:11 am Mar 5 - Mar 10
6932 6:40 am 10:11 am Feb 23 - Mar 2
6932 6:40 am 10:11 am Mar 8 - Mar 11
7008 10:10 am 1:43 pm Mar 22 - Mar 29
7008 10:10 am 1:43 pm Mar 13 - Mar 26
7008 10:10 am 1:43 pm Mar 28 - Apr 3
7008 10:10 am 1:43 pm Mar 12 - Mar 15
6934 10:15 am 1:45 pm Feb 23 - Mar 1
6934 10:15 am 1:45 pm Mar 3 - Mar 11
6934 10:15 am 1:45 pm Mar 2 - Mar 2
6934 12:05 pm 3:38 pm Mar 30 - Apr 9
6934 12:05 pm 3:38 pm Mar 22 - Mar 26
6934 12:05 pm 3:38 pm Mar 12 - Mar 19
6934 12:05 pm 3:38 pm Mar 20 - Mar 27
6934 12:05 pm 3:38 pm Mar 13 - Mar 17
6934 12:05 pm 3:38 pm Mar 29 - Mar 29
6987 2:05 pm 5:35 pm Feb 23 - Mar 10
6987 3:50 pm 7:20 pm Mar 12 - Mar 24
6987 3:50 pm 7:20 pm Mar 25 - Apr 1
6987 3:50 pm 7:20 pm Mar 26 - Mar 31
6987 5:55 pm 9:23 pm Mar 11 - Mar 11
6987 5:55 pm 9:23 pm Feb 25 - Mar 4
6990 7:40 pm 11:08 pm Feb 23 - Mar 2
6990 7:40 pm 11:08 pm Mar 5 - Mar 10
6990 7:40 pm 11:08 pm Mar 3 - Mar 6
6990 7:45 pm 11:09 pm Mar 29 - Apr 1
6990 7:45 pm 11:09 pm Mar 12 - Mar 19
6990 7:45 pm 11:09 pm Mar 31 - Apr 7
6990 7:45 pm 11:09 pm Mar 13 - Mar 16
6990 7:45 pm 11:09 pm Mar 20 - Mar 25
6990 7:45 pm 11:09 pm Mar 23 - Mar 28
* 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.

We compile tonnes of data for you
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

Seattle
$117
Destination

Denver
$117
Airlines Airline reviews

452 travelers who booked a flight from Seattle to Denver rated their chosen airlines with an average of 5.4.

Overall
5.5
Boarding
6.0
Crew
6.6
Comfort
5.2
Food
4.2
Entertainment
4.0