Find Cheap Flights to Seattle

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 Phoenix Sky Harbor Intl to Seattle

(Round-trip)
Depart: Wed Jul 26 2017 Return: Wed Aug 2 2017 Trip spans 8 days
United
United
PHX
11:10a
SEA
6:46p
7h 36m
1 stop
SEA
1:32p
PHX
6:15p
4h 43m
1 stop
Depart: Sat Aug 5 2017 Return: Wed Aug 9 2017 Trip spans 5 days
Frontier
Frontier
PHX
2:00a
SEA
5:05a
3h 05m
nonstop
SEA
7:15a
PHX
10:11a
2h 56m
nonstop
Depart: Tue Aug 8 2017 Return: Wed Aug 16 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
PHX
2:00a
SEA
5:01a
3h 01m
nonstop
SEA
5:20p
PHX
8:05p
2h 45m
nonstop
Depart: Wed Aug 23 2017 Return: Thu Aug 24 2017 Trip spans 2 days
Delta
Delta
PHX
2:24p
SEA
5:37p
3h 13m
nonstop
SEA
2:45p
PHX
5:52p
3h 07m
nonstop
Depart: Mon Aug 28 2017 Return: Wed Aug 30 2017 Trip spans 3 days
American Airlines
American Airlines
PHX
4:29p
SEA
7:28p
2h 59m
nonstop
SEA
1:59p
PHX
4:44p
2h 45m
nonstop
Depart: Sat Jul 29 2017 Return: Wed Aug 2 2017 Trip spans 5 days
United
United
PHX
1:23p
SEA
9:00p
7h 37m
1 stop
SEA
1:32p
PHX
6:15p
4h 43m
1 stop
Depart: Wed Aug 2 2017 Return: Fri Aug 4 2017 Trip spans 3 days
Frontier
Frontier
PHX
2:00a
SEA
5:07a
3h 07m
nonstop
SEA
8:01a
PHX
10:59a
2h 58m
nonstop
Depart: Wed Aug 9 2017 Return: Fri Aug 11 2017 Trip spans 3 days
Frontier
Frontier
PHX
2:00a
SEA
5:05a
3h 05m
nonstop
SEA
7:15a
PHX
10:11a
2h 56m
nonstop
Depart: Tue Aug 22 2017 Return: Wed Aug 30 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
PHX
2:00a
SEA
5:01a
3h 01m
nonstop
SEA
5:30p
PHX
8:22p
2h 52m
nonstop
Depart: Mon Jul 31 2017 Return: Fri Aug 4 2017 Trip spans 5 days
Frontier
Frontier
PHX
2:00a
SEA
5:07a
3h 07m
nonstop
SEA
8:01a
PHX
10:59a
2h 58m
nonstop
Depart: Sat Aug 26 2017 Return: Mon Aug 28 2017 Trip spans 3 days
Delta
Delta
PHX
1:00p
SEA
4:10p
3h 10m
nonstop
SEA
3:40a
PHX
6:44a
3h 04m
nonstop
Depart: Mon Sep 11 2017 Return: Tue Sep 12 2017 Trip spans 2 days
American Airlines
American Airlines
PHX
9:55a
SEA
1:00p
3h 05m
nonstop
SEA
1:00a
PHX
3:46a
2h 46m
nonstop
Depart: Sat Aug 12 2017 Return: Thu Aug 17 2017 Trip spans 6 days
United
United
PHX
1:23p
SEA
9:00p
7h 37m
1 stop
SEA
10:05a
PHX
5:19p
7h 14m
1 stop
Depart: Wed Aug 16 2017 Return: Wed Aug 23 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
PHX
2:00a
SEA
5:01a
3h 01m
nonstop
SEA
5:20p
PHX
8:05p
2h 45m
nonstop
Depart: Wed Aug 30 2017 Return: Wed Sep 6 2017 Trip spans 8 days
Delta
Delta
PHX
3:15a
SEA
6:30a
3h 15m
nonstop
SEA
9:15a
PHX
12:18p
3h 03m
nonstop
Depart: Tue Sep 12 2017 Return: Wed Sep 13 2017 Trip spans 2 days
American Airlines
American Airlines
PHX
6:40a
SEA
9:47a
3h 07m
nonstop
SEA
1:00a
PHX
3:46a
2h 46m
nonstop
Depart: Sun Aug 13 2017 Return: Wed Aug 16 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PHX
3:55a
SEA
7:01a
3h 06m
nonstop
SEA
5:20p
PHX
8:05p
2h 45m
nonstop
Depart: Mon Sep 4 2017 Return: Wed Sep 6 2017 Trip spans 3 days
Delta
Delta
PHX
3:15a
SEA
6:30a
3h 15m
nonstop
SEA
9:15a
PHX
12:18p
3h 03m
nonstop
Depart: Wed Sep 13 2017 Return: Tue Sep 19 2017 Trip spans 7 days
American Airlines
American Airlines
PHX
4:29p
SEA
7:28p
2h 59m
nonstop
SEA
1:00a
PHX
3:46a
2h 46m
nonstop
Depart: Mon Aug 7 2017 Return: Fri Aug 11 2017 Trip spans 5 days
Frontier
Frontier
PHX
2:00a
SEA
5:05a
3h 05m
nonstop
SEA
7:15a
PHX
10:11a
2h 56m
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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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.

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Airports
Origin

Phoenix
$134
Destination

Seattle
$134
Airlines Airline reviews

156 travelers who booked a flight from Phoenix to Seattle rated their chosen airlines with an average of 7.3.

Overall
7.6
Boarding
7.8
Crew
8.1
Comfort
7.1
Food
6.2
Entertainment
6.1