Find Cheap Flights from Seattle/Tacoma Intl to Philadelphia (SEA - PHL)

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 Seattle/Tacoma Intl to Philadelphia

(Round-trip)
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
Frontier
Frontier
SEA
6:55a
PHL
5:26p
10h 31m
1 stop
PHL
11:20a
SEA
9:02a
21h 42m
1 stop
Depart: Wed Oct 4 2017 Return: Tue Oct 10 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
2:55a
PHL
1:26p
10h 31m
1 stop
PHL
4:55a
SEA
5:32a
24h 37m
1 stop
Depart: Tue Jul 4 2017 Return: Tue Jul 11 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
PHL
11:36p
12h 21m
1 stop
PHL
3:27p
SEA
11:59p
8h 32m
1 stop
Depart: Thu Jul 13 2017 Return: Thu Sep 7 2017 Trip spans 57 days
Delta
Delta
SEA
6:15p
PHL
1:33a
7h 18m
1 stop
PHL
12:45p
SEA
8:55p
8h 10m
1 stop
Depart: Mon Jul 10 2017 Return: Tue Jul 11 2017 Trip spans 2 days
American Airlines
American Airlines
SEA
9:26p
PHL
2:34a
5h 08m
nonstop
PHL
5:00p
SEA
11:11p
6h 11m
nonstop
Depart: Sat Jul 29 2017 Return: Tue Aug 1 2017 Trip spans 4 days
United
United
SEA
1:18p
PHL
12:18a
11h 00m
1 stop
PHL
2:15p
SEA
12:00a
9h 45m
1 stop
Depart: Sun Sep 24 2017 Return: Wed Oct 4 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
SEA
3:45a
PHL
9:02a
5h 17m
nonstop
PHL
1:06p
SEA
7:14p
6h 08m
nonstop
Depart: Fri Sep 8 2017 Return: Wed Sep 13 2017 Trip spans 6 days
Frontier
Frontier
SEA
6:55a
PHL
5:26p
10h 31m
1 stop
PHL
11:20a
SEA
8:37p
9h 17m
1 stop
Depart: Tue Oct 24 2017 Return: Sat Oct 28 2017 Trip spans 5 days
Major Airline
Major Airline
SEA
11:40p
PHL
6:15p
18h 35m
1 stop
PHL
10:20p
SEA
7:00a
8h 40m
1 stop
Depart: Fri Oct 6 2017 Return: Tue Oct 10 2017 Trip spans 5 days
Frontier
Frontier
SEA
2:15p
PHL
5:26p
27h 11m
1 stop
PHL
11:20a
SEA
9:02a
21h 42m
1 stop
Depart: Tue Jul 18 2017 Return: Wed Aug 9 2017 Trip spans 23 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
PHL
11:36p
12h 21m
1 stop
PHL
3:27p
SEA
11:59p
8h 32m
1 stop
Depart: Wed Sep 6 2017 Return: Sun Sep 10 2017 Trip spans 5 days
Delta
Delta
SEA
6:45p
PHL
1:40a
6h 55m
1 stop
PHL
2:00p
SEA
10:22p
8h 22m
1 stop
Depart: Tue Jul 11 2017 Return: Tue Jul 18 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
6:30p
PHL
11:34p
5h 04m
nonstop
PHL
5:00p
SEA
11:11p
6h 11m
nonstop
Depart: Sat Oct 7 2017 Return: Tue Oct 10 2017 Trip spans 4 days
Frontier
Frontier
SEA
6:55a
PHL
5:26p
10h 31m
1 stop
PHL
11:20a
SEA
9:02a
21h 42m
1 stop
Depart: Tue Aug 22 2017 Return: Mon Aug 28 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
11:15a
PHL
11:36p
12h 21m
1 stop
PHL
3:27p
SEA
11:59p
8h 32m
1 stop
Depart: Wed Aug 23 2017 Return: Sun Aug 27 2017 Trip spans 5 days
United
United
SEA
1:45a
PHL
10:21a
8h 36m
1 stop
PHL
2:30p
SEA
12:51a
10h 21m
1 stop
Depart: Sat Jul 15 2017 Return: Wed Sep 6 2017 Trip spans 54 days
Major Airline
Major Airline
SEA
9:00a
PHL
5:50p
8h 50m
2 stops
PHL
1:24p
SEA
5:32a
16h 08m
2 stops
Depart: Thu Sep 7 2017 Return: Sun Sep 10 2017 Trip spans 4 days
Delta
Delta
SEA
2:00a
PHL
8:41a
6h 41m
1 stop
PHL
2:00p
SEA
10:22p
8h 22m
1 stop
Depart: Wed Jul 12 2017 Return: Tue Jul 18 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
9:26p
PHL
2:34a
5h 08m
nonstop
PHL
5:00p
SEA
11:11p
6h 11m
nonstop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
United
United
SEA
8:01p
PHL
5:02a
9h 01m
1 stop
PHL
4:05p
SEA
12:55a
8h 50m
1 stop
Direct flights SEA to PHL on American Airlines
Flight # Depart SEA Arrive PHL Sun Mon Tue Wed Thu Fri Sat Valid Between
577 12:50 am 8:54 am Jul 2 - Jul 2
883 1:26 am 9:34 am Jul 6 - Aug 21
728 8:05 am 4:17 pm Jun 17 - Aug 21
1742 11:55 am 8:07 pm Jun 19 - Jul 4
1742 11:59 am 8:11 pm Jul 5 - Aug 3
499 10:30 pm 6:34 am Jul 5 - Aug 21
577 10:30 pm 6:34 am Jun 17 - Jun 30
577 10:30 pm 6:34 am Jul 3 - Jul 3
690 10:30 pm 6:34 am Jul 4 - Jul 4
499 10:55 pm 6:59 am Jun 30 - Jun 30
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Seattle
$243
Destination

Philadelphia
$243
Airlines Airline reviews

36 travelers who booked a flight from Seattle to Philadelphia rated their chosen airlines with an average of 7.8.

Overall
7.9
Boarding
8.3
Crew
8.5
Comfort
7.5
Food
5.8
Entertainment
5.7