Find Cheap Flights from Seattle to Philadelphia

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 to Philadelphia

(Round-trip)
Depart: Sat Aug 26 2017 Return: Mon Aug 28 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
PHL
12:21p
12h 21m
1 stop
PHL
12:00a
SEA
8:32a
8h 32m
1 stop
Depart: Sat Dec 9 2017 Return: Tue Dec 12 2017 Trip spans 4 days
Frontier
Frontier
SEA
12:00a
PHL
8:52a
8h 52m
1 stop
PHL
12:00a
SEA
11:49a
11h 49m
1 stop
Depart: Wed Sep 27 2017 Return: Tue Oct 3 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
12:00a
PHL
7:48p
19h 48m
1 stop
PHL
12:00a
SEA
11:15a
11h 15m
1 stop
Depart: Wed Sep 20 2017 Return: Sat Sep 23 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
6:00a
6h 00m
nonstop
Depart: Wed Sep 27 2017 Return: Tue Oct 3 2017 Trip spans 7 days
Virgin America
Virgin America
SEA
12:00a
PHL
10:18a
10h 18m
1 stop
PHL
12:00a
SEA
1:32p
13h 32m
1 stop
Depart: Sat Sep 23 2017 Return: Sat Sep 30 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
6:27p
18h 27m
1 stop
Depart: Tue Sep 26 2017 Return: Wed Oct 4 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
6:05a
6h 05m
nonstop
Depart: Tue Sep 26 2017 Return: Mon Oct 2 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
6:27p
18h 27m
1 stop
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
6:05a
6h 05m
nonstop
Depart: Tue Oct 24 2017 Return: Sat Oct 28 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:50p
12h 50m
1 stop
PHL
12:00a
SEA
6:08a
6h 08m
nonstop
Depart: Wed Oct 18 2017 Return: Mon Oct 23 2017 Trip spans 6 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
9:35p
21h 35m
1 stop
Depart: Tue Sep 19 2017 Return: Sat Sep 23 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
11:07a
11h 07m
1 stop
Depart: Thu Aug 31 2017 Return: Wed Sep 6 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
PHL
12:21p
12h 21m
1 stop
PHL
12:00a
SEA
8:32a
8h 32m
1 stop
Depart: Sat Sep 23 2017 Return: Wed Sep 27 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
8:35a
8h 35m
1 stop
Depart: Sat Sep 30 2017 Return: Wed Oct 4 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
8:40a
8h 40m
1 stop
Depart: Thu Sep 7 2017 Return: Fri Sep 29 2017 Trip spans 23 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
PHL
4:49p
16h 49m
1 stop
PHL
12:00a
SEA
6:27p
18h 27m
1 stop
Depart: Wed Oct 4 2017 Return: Sun Oct 8 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
8:02a
8h 02m
1 stop
Depart: Thu Sep 7 2017 Return: Sun Sep 10 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
PHL
4:49p
16h 49m
1 stop
PHL
12:00a
SEA
6:27p
18h 27m
1 stop
Depart: Sat Sep 30 2017 Return: Sat Oct 7 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
PHL
12:40p
12h 40m
1 stop
PHL
12:00a
SEA
6:08a
6h 08m
nonstop
Depart: Fri Sep 29 2017 Return: Sun Oct 1 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
SEA
12:00a
PHL
4:49p
16h 49m
1 stop
PHL
12:00a
SEA
6:27p
18h 27m
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.

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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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$224
Destination

Philadelphia
$224
Airlines Airline reviews

30 travelers who booked a flight from Seattle to Philadelphia rated their chosen airlines with an average of 8.3.

Overall
8.6
Boarding
8.7
Crew
8.9
Comfort
8.2
Food
6.7
Entertainment
6.3