Cheap flights from Seattle to Philadelphia

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Easily compare round-trip flights from Seattle to Philadelphia

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Philadelphia by changing tabs
Quickest
Cheapest
Spirit Airlines
Spirit Airlines
04 Oct
SEA
8:15 am
Seattle/Tacoma Intl airport
13h 15m
1 Stop
12:30 am
+1
PHL
Philadelphia airport
Spirit Airlines
06 Oct
PHL
11:35 am
Philadelphia airport
12h 46m
1 Stop
9:21 pm
SEA
Seattle/Tacoma Intl airport
186 USD
Spirit Airlines
Spirit Airlines
01 Oct
SEA
8:15 am
Seattle/Tacoma Intl airport
13h 15m
1 Stop
12:30 am
+1
PHL
Philadelphia airport
Spirit Airlines
07 Oct
PHL
11:35 am
Philadelphia airport
12h 46m
1 Stop
9:21 pm
SEA
Seattle/Tacoma Intl airport
191 USD
Spirit Airlines
Spirit Airlines
26 Oct
SEA
8:30 am
Seattle/Tacoma Intl airport
12h 48m
1 Stop
12:18 am
+1
PHL
Philadelphia airport
Spirit Airlines
30 Oct
PHL
11:14 am
Philadelphia airport
13h 10m
1 Stop
9:24 pm
SEA
Seattle/Tacoma Intl airport
191 USD
American Airlines
American Airlines
04 Oct
SEA
4:59 am
Seattle/Tacoma Intl airport
5h 14m
1:13 pm
PHL
Philadelphia airport
American Airlines
08 Oct
PHL
7:55 am
Philadelphia airport
9h 20m
1 Stop
2:15 pm
SEA
Seattle/Tacoma Intl airport
275 USD
Delta
Delta
30 Sep
SEA
5:40 pm
Seattle/Tacoma Intl airport
6h 55m
1 Stop
3:35 am
+1
PHL
Philadelphia airport
Delta
01 Oct
PHL
7:55 am
Philadelphia airport
9h 20m
1 Stop
2:15 pm
SEA
Seattle/Tacoma Intl airport
294 USD
American Airlines
American Airlines
11 Oct
SEA
3:40 pm
Seattle/Tacoma Intl airport
4h 57m
11:37 pm
PHL
Philadelphia airport
American Airlines
22 Oct
PHL
11:14 am
Philadelphia airport
13h 10m
1 Stop
9:24 pm
SEA
Seattle/Tacoma Intl airport
270 USD

How to get the cheapest flight ticket from Seattle to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Philadelphia?
February
The cheapest time of year to fly to Philadelphia from Seattle is February. Most expensive is December
What is the cheapest day to fly to Philadelphia?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Monday
When is the cheapest time to fly to Philadelphia?
in the afternoon
Seattle to Philadelphia flights are approximately 45% more expensive in the evening than in the afternoon
What is the cheapest airline that flies to Philadelphia?
Spirit Airlines
Spirit Airlines, Frontier, and Sun Country Air are the most popular carriers operating from Seattle to Philadelphia
What is the cheapest route?
Seattle/Tacoma Intl - Philadelphia
Fly from Seattle/Tacoma Intl to Philadelphia for the best Seattle - Philadelphia flight prices
SEA
Seattle/Tacoma Intl
PHL
Philadelphia
When is the cheapest time to book a flight to Philadelphia?
27 days before
The cheapest time to buy a flight from Seattle to Philadelphia is approximately 27 days to departure
60
Days before departure
0

Flight information for Seattle to Philadelphia (PHL - 03A)

Find info about flight duration, direct flights, and airports for your flight from Seattle to Philadelphia
Fastest flight time 5h 1m The fastest flight from Seattle to Philadelphia takes 5h 1m.
Direct flights Every day Direct flights go from Seattle to Philadelphia every day.
Airports in Philadelphia 1 airport There is 1 airport near Philadelphia: Philadelphia (PHL)

Alternative routes for Seattle to Philadelphia

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Seattle to Newark
Fastest flight time
4h 50m
Cheapest price
188 USD
Seattle to Washington
Fastest flight time
4h 40m
Cheapest price
206 USD
Seattle to New York
Fastest flight time
7h 05m
Cheapest price
210 USD
Portland to New York
Fastest flight time
6h 45m
Cheapest price
214 USD
Portland to Philadelphia
Fastest flight time
7h 56m
Cheapest price
220 USD
Portland to Newark
Fastest flight time
4h 55m
Cheapest price
227 USD
Portland to Washington
Fastest flight time
4h 37m
Cheapest price
230 USD
View more

Flights from Seattle to:

*Flight prices to Philadelphia are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.