Find Cheap Flights to Seattle/Tacoma Intl

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 to Seattle/Tacoma Intl

(Round-trip)
Depart: Mon Dec 4 2017 Return: Thu Dec 14 2017 Trip spans 11 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Tue Dec 5 2017 Return: Thu Dec 14 2017 Trip spans 10 days
Frontier
Frontier
DEN
SEA
3h 02m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Wed Dec 6 2017 Return: Thu Dec 14 2017 Trip spans 9 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Mon Jan 8 2018 Return: Thu Jan 11 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
DEN
SEA
3h 04m
nonstop
SEA
DEN
2h 42m
nonstop
Depart: Thu Dec 7 2017 Return: Thu Dec 14 2017 Trip spans 8 days
Frontier
Frontier
DEN
SEA
3h 02m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Mon Dec 11 2017 Return: Wed Dec 13 2017 Trip spans 3 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 42m
nonstop
Depart: Tue Dec 12 2017 Return: Thu Dec 14 2017 Trip spans 3 days
Frontier
Frontier
DEN
SEA
3h 05m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Wed Dec 13 2017 Return: Thu Dec 14 2017 Trip spans 2 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Mon Jan 8 2018 Return: Tue Jan 16 2018 Trip spans 9 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Tue Jan 9 2018 Return: Wed Jan 17 2018 Trip spans 9 days
Frontier
Frontier
DEN
SEA
3h 05m
nonstop
SEA
DEN
2h 42m
nonstop
Depart: Wed Jan 10 2018 Return: Thu Jan 18 2018 Trip spans 9 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Tue Jan 9 2018 Return: Sat Jan 13 2018 Trip spans 5 days
Multiple Airlines
Multiple Airlines
DEN
SEA
2h 59m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Thu Jan 11 2018 Return: Thu Jan 18 2018 Trip spans 8 days
Frontier
Frontier
DEN
SEA
3h 05m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Mon Jan 22 2018 Return: Sat Jan 27 2018 Trip spans 6 days
Multiple Airlines
Multiple Airlines
DEN
SEA
2h 58m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Tue Jan 16 2018 Return: Thu Feb 1 2018 Trip spans 17 days
Frontier
Frontier
DEN
SEA
3h 05m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Mon Feb 5 2018 Return: Mon Feb 12 2018 Trip spans 8 days
Multiple Airlines
Multiple Airlines
DEN
SEA
3h 04m
nonstop
SEA
DEN
2h 39m
nonstop
Depart: Wed Jan 17 2018 Return: Thu Feb 1 2018 Trip spans 16 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Mon Feb 5 2018 Return: Thu Feb 8 2018 Trip spans 4 days
Multiple Airlines
Multiple Airlines
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 42m
nonstop
Depart: Mon Jan 22 2018 Return: Thu Feb 1 2018 Trip spans 11 days
Frontier
Frontier
DEN
SEA
3h 07m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Tue Jan 23 2018 Return: Wed Feb 14 2018 Trip spans 23 days
Frontier
Frontier
DEN
SEA
3h 05m
nonstop
SEA
DEN
2h 38m
nonstop
* 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 and someone from our team will get back to you promptly.

Airports
Origin

Denver
$40
Destination

Seattle
$40
Airlines