Find Cheap Flights from Pittsburgh to Seattle/Tacoma Intl (PIT - SEA)

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 Pittsburgh to Seattle/Tacoma Intl

(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 15 2017 Return: Sat Aug 26 2017 Trip spans 12 days
Spirit Airlines
Spirit Airlines
PIT
4:49p
SEA
1:25p
20h 36m
1 stop
SEA
11:15a
PIT
11:40p
12h 25m
1 stop
Depart: Sat Sep 9 2017 Return: Wed Sep 20 2017 Trip spans 12 days
United
United
PIT
2:15a
SEA
11:51a
9h 36m
1 stop
SEA
6:43a
PIT
3:32p
8h 49m
1 stop
Depart: Thu Sep 21 2017 Return: Wed Sep 27 2017 Trip spans 7 days
Delta
Delta
PIT
2:00a
SEA
1:34p
11h 34m
1 stop
SEA
2:00a
PIT
8:03a
6h 03m
1 stop
Depart: Mon May 8 2017 Return: Thu May 11 2017 Trip spans 4 days
Major Airline
Major Airline
PIT
8:51a
SEA
4:52a
20h 01m
1 stop
SEA
3:58p
PIT
1:24a
9h 26m
1 stop
Depart: Mon Jul 3 2017 Return: Wed Jul 5 2017 Trip spans 3 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 19 2017 Return: Tue Sep 26 2017 Trip spans 8 days
Frontier
Frontier
PIT
4:45a
SEA
5:02p
12h 17m
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: Wed May 10 2017 Return: Wed May 17 2017 Trip spans 8 days
United
United
PIT
3:25a
SEA
12:02p
8h 37m
1 stop
SEA
3:10p
PIT
11:25p
8h 15m
1 stop
Depart: Sat Sep 23 2017 Return: Thu Sep 28 2017 Trip spans 6 days
Delta
Delta
PIT
9:30a
SEA
6:09p
8h 39m
1 stop
SEA
5:30a
PIT
1:56p
8h 26m
1 stop
Depart: Fri Aug 18 2017 Return: Tue Aug 22 2017 Trip spans 5 days
Major Airline
Major Airline
PIT
10:20p
SEA
9:25a
11h 05m
2 stops
SEA
4:10a
PIT
11:37p
19h 27m
2 stops
Depart: Wed Sep 20 2017 Return: Tue Sep 26 2017 Trip spans 7 days
Frontier
Frontier
PIT
4:45a
SEA
8:37p
15h 52m
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: Mon May 15 2017 Return: Tue May 23 2017 Trip spans 9 days
United
United
PIT
10:45a
SEA
9:21p
10h 36m
1 stop
SEA
2:00a
PIT
9:15a
7h 15m
1 stop
Depart: Wed Oct 25 2017 Return: Mon Oct 30 2017 Trip spans 6 days
Delta
Delta
PIT
1:33p
SEA
8:35p
7h 02m
1 stop
SEA
2:00a
PIT
8:03a
6h 03m
1 stop
Depart: Tue Jul 4 2017 Return: Wed Jul 5 2017 Trip spans 2 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 Oct 13 2017 Return: Mon Oct 16 2017 Trip spans 4 days
Major Airline
Major Airline
PIT
11:53a
SEA
5:39p
29h 46m
2 stops
SEA
2:55a
PIT
9:41a
6h 46m
2 stops
Depart: Tue Aug 29 2017 Return: Mon Sep 4 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
PIT
2:20a
SEA
1:25p
11h 05m
2 stops
SEA
8:38p
PIT
6:16a
9h 38m
1 stop
Depart: Sun Jun 4 2017 Return: Wed Jun 7 2017 Trip spans 4 days
United
United
PIT
6:43a
SEA
1:44p
7h 01m
1 stop
SEA
11:41a
PIT
6:14p
6h 33m
1 stop
Depart: Fri Sep 22 2017 Return: Tue Sep 26 2017 Trip spans 5 days
Delta
Delta
PIT
1:25p
SEA
10:47p
9h 22m
1 stop
SEA
6:45p
PIT
2:42a
7h 57m
1 stop
* 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

Pittsburgh
$283
Destination

Seattle
$283