Find Cheap Flights from Pittsburgh 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 Pittsburgh to Seattle

(Round-trip)
Depart: Sat Sep 16 2017 Return: Tue Sep 26 2017 Trip spans 11 days
Frontier
Frontier
PIT
4:45a
SEA
8:37p
15h 52m
1 stop
SEA
6:55a
PIT
1:41p
6h 46m
1 stop
Depart: Tue Aug 8 2017 Return: Tue Aug 15 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
PIT
2:20a
SEA
1:25p
11h 05m
2 stops
SEA
11:15a
PIT
11:46p
12h 31m
1 stop
Depart: Sat Aug 26 2017 Return: Sat Sep 2 2017 Trip spans 8 days
Major Airline
Major Airline
PIT
9:25a
SEA
6:08p
8h 43m
1 stop
SEA
11:00p
PIT
8:57p
21h 57m
1 stop
Depart: Sun Aug 27 2017 Return: Mon Sep 11 2017 Trip spans 16 days
Delta
Delta
PIT
2:00a
SEA
1:21p
11h 21m
1 stop
SEA
7:20p
PIT
1:59a
6h 39m
1 stop
Depart: Wed May 17 2017 Return: Sat May 20 2017 Trip spans 4 days
United
United
PIT
2:25a
SEA
3:21p
12h 56m
2 stops
SEA
3:10p
PIT
11:25p
8h 15m
1 stop
Depart: Mon Jul 3 2017 Return: Wed Jul 19 2017 Trip spans 17 days
American Airlines
American Airlines
PIT
2:00p
SEA
11:11p
9h 11m
1 stop
SEA
9:26p
PIT
7:46a
10h 20m
1 stop
Depart: Tue Sep 12 2017 Return: Sat Sep 16 2017 Trip spans 5 days
Frontier
Frontier
PIT
4:45a
SEA
5:02p
12h 17m
1 stop
SEA
6:55a
PIT
1:41p
6h 46m
1 stop
Depart: Wed Aug 16 2017 Return: Mon Aug 21 2017 Trip spans 6 days
Spirit Airlines
Spirit Airlines
PIT
2:20a
SEA
1:27p
11h 07m
2 stops
SEA
8:33p
PIT
6:31a
9h 58m
1 stop
Depart: Fri Jun 9 2017 Return: Fri Jun 16 2017 Trip spans 8 days
Major Airline
Major Airline
PIT
11:55p
SEA
4:35p
16h 40m
1 stop
SEA
1:58a
PIT
8:31a
6h 33m
1 stop
Depart: Fri Sep 1 2017 Return: Sat Sep 2 2017 Trip spans 2 days
Delta
Delta
PIT
3:45p
SEA
11:06p
7h 21m
1 stop
SEA
8:55p
PIT
2:55a
6h 00m
1 stop
Depart: Wed Aug 2 2017 Return: Tue Aug 15 2017 Trip spans 14 days
Spirit Airlines
Spirit Airlines
PIT
4:40p
SEA
1:27p
20h 47m
1 stop
SEA
11:15a
PIT
11:46p
12h 31m
1 stop
Depart: Tue Jul 4 2017 Return: Wed Jul 19 2017 Trip spans 16 days
American Airlines
American Airlines
PIT
2:00p
SEA
11:11p
9h 11m
1 stop
SEA
9:26p
PIT
7:46a
10h 20m
1 stop
Depart: Fri May 19 2017 Return: Mon May 22 2017 Trip spans 4 days
United
United
PIT
3:25a
SEA
12:02p
8h 37m
1 stop
SEA
7:38p
PIT
3:51a
8h 13m
1 stop
Depart: Thu Sep 21 2017 Return: Mon Sep 25 2017 Trip spans 5 days
Delta
Delta
PIT
2:00a
SEA
1:34p
11h 34m
1 stop
SEA
7:20p
PIT
1:59a
6h 39m
1 stop
Depart: Tue Jul 18 2017 Return: Tue Jul 25 2017 Trip spans 8 days
Major Airline
Major Airline
PIT
10:20p
SEA
9:27a
11h 07m
2 stops
SEA
10:04a
PIT
11:37p
13h 33m
2 stops
Depart: Wed Sep 6 2017 Return: Thu Sep 21 2017 Trip spans 16 days
Spirit Airlines
Spirit Airlines
PIT
4:40p
SEA
1:40p
21h 00m
1 stop
SEA
11:42a
PIT
11:34p
11h 52m
1 stop
Depart: Wed Jun 14 2017 Return: Sun Jun 18 2017 Trip spans 5 days
United
United
PIT
3:05p
SEA
1:00a
9h 55m
1 stop
SEA
2:40a
PIT
9:37a
6h 57m
1 stop
Depart: Thu Oct 26 2017 Return: Sun Oct 29 2017 Trip spans 4 days
Delta
Delta
PIT
2:15a
SEA
12:34p
10h 19m
1 stop
SEA
2:00a
PIT
8:03a
6h 03m
1 stop
Depart: Mon Oct 2 2017 Return: Thu Oct 19 2017 Trip spans 18 days
Major Airline
Major Airline
PIT
10:20p
SEA
9:40a
11h 20m
2 stops
SEA
4:06a
PIT
9:00p
16h 54m
2 stops
Depart: Fri Jul 7 2017 Return: Wed Jul 26 2017 Trip spans 20 days
American Airlines
American Airlines
PIT
2:00p
SEA
11:11p
9h 11m
1 stop
SEA
9:26p
PIT
7:46a
10h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

Pittsburgh
$283
Destination

Seattle
$283