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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights to Seattle/Tacoma Intl

(Round-trip)
Depart: Thu Dec 8 2016 Return: Sun Dec 11 2016 Trip spans 4 days
Major Airline
Major Airline
DEN
SEA
3h 15m
nonstop
SEA
DEN
2h 36m
nonstop
Depart: Sun Jan 22 2017 Return: Fri Jan 27 2017 Trip spans 6 days
Frontier
Frontier
DEN
SEA
3h 10m
nonstop
SEA
DEN
2h 42m
nonstop
Depart: Tue Jan 10 2017 Return: Wed Jan 18 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
LAX
SEA
2h 49m
nonstop
SEA
LAX
2h 34m
nonstop
Depart: Sat Feb 25 2017 Return: Sat Mar 4 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
OAK
SEA
2h 00m
nonstop
SEA
OAK
1h 59m
nonstop
Depart: Tue Mar 14 2017 Return: Wed Mar 22 2017 Trip spans 9 days
JetBlue
JetBlue
LGB
SEA
2h 43m
nonstop
SEA
LGB
2h 34m
nonstop
Depart: Tue Dec 13 2016 Return: Sat Dec 17 2016 Trip spans 5 days
Major Airline
Major Airline
DEN
SEA
2h 52m
nonstop
SEA
DEN
2h 35m
nonstop
Depart: Fri Feb 17 2017 Return: Tue Feb 21 2017 Trip spans 5 days
Frontier
Frontier
DEN
SEA
3h 10m
nonstop
SEA
DEN
2h 36m
nonstop
Depart: Wed Mar 1 2017 Return: Sat Mar 4 2017 Trip spans 4 days
Southwest
Southwest
OAK
SEA
2h 00m
nonstop
SEA
OAK
2h 10m
nonstop
Depart: Mon Dec 5 2016 Return: Wed Dec 7 2016 Trip spans 3 days
American Airlines
American Airlines
PHX
SEA
3h 10m
nonstop
SEA
PHX
2h 50m
nonstop
Depart: Fri Jan 6 2017 Return: Sat Jan 14 2017 Trip spans 9 days
Major Airline
Major Airline
DEN
SEA
2h 52m
nonstop
SEA
DEN
2h 42m
nonstop
Depart: Fri Feb 24 2017 Return: Mon Feb 27 2017 Trip spans 4 days
Frontier
Frontier
DEN
SEA
3h 10m
nonstop
SEA
DEN
2h 36m
nonstop
Depart: Tue Dec 13 2016 Return: Wed Dec 14 2016 Trip spans 2 days
Delta
Delta
LAX
SEA
2h 58m
nonstop
SEA
LAX
2h 50m
nonstop
Depart: Thu Feb 16 2017 Return: Wed Feb 22 2017 Trip spans 7 days
Major Airline
Major Airline
DEN
SEA
3h 10m
nonstop
SEA
DEN
2h 30m
nonstop
Depart: Wed Mar 1 2017 Return: Sat Mar 4 2017 Trip spans 4 days
Frontier
Frontier
DEN
SEA
3h 10m
nonstop
SEA
DEN
2h 36m
nonstop
Depart: Sun Feb 19 2017 Return: Mon Feb 27 2017 Trip spans 9 days
Major Airline
Major Airline
DEN
SEA
2h 55m
nonstop
SEA
DEN
2h 36m
nonstop
Depart: Fri Mar 3 2017 Return: Mon Mar 6 2017 Trip spans 4 days
Major Airline
Major Airline
DEN
SEA
3h 03m
nonstop
SEA
DEN
2h 23m
nonstop
Depart: Mon May 1 2017 Return: Wed May 3 2017 Trip spans 3 days
Virgin America
Virgin America
LAX
SEA
2h 35m
nonstop
SEA
LAX
2h 35m
nonstop
Depart: Mon Mar 20 2017 Return: Sat Mar 25 2017 Trip spans 6 days
Major Airline
Major Airline
DEN
SEA
2h 54m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Tue Jan 10 2017 Return: Thu Jan 12 2017 Trip spans 3 days
United
United
DEN
SEA
3h 06m
nonstop
SEA
DEN
2h 38m
nonstop
Depart: Wed Jan 18 2017 Return: Wed Jan 25 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
LAX
SEA
2h 50m
nonstop
SEA
LAX
2h 35m
nonstop
* 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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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,
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Airports
Origin

Long Beach
$97
Phoenix
$107
Los Angeles
$87
Denver
$49
Oakland
$97
Destination

Seattle
$49
Airlines Airline reviews

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

Overall
6.1
Boarding
6.5
Crew
6.9
Comfort
5.8
Food
4.8
Entertainment
4.7