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
19 Oct
SEA
1:12 pm
Seattle/Tacoma Intl airport
8h 21m
1 Stop
12:33 am
+1
PHL
Philadelphia airport
Spirit Airlines
23 Oct
PHL
11:39 am
Philadelphia airport
12h 26m
1 Stop
9:05 pm
SEA
Seattle/Tacoma Intl airport
182 USD
Spirit Airlines
Spirit Airlines
28 Aug
SEA
8:15 am
Seattle/Tacoma Intl airport
12h 58m
1 Stop
12:13 am
+1
PHL
Philadelphia airport
Spirit Airlines
12 Sep
PHL
11:35 am
Philadelphia airport
12h 46m
1 Stop
9:21 pm
SEA
Seattle/Tacoma Intl airport
200 USD
Spirit Airlines
Spirit Airlines
03 Sep
SEA
8:15 am
Seattle/Tacoma Intl airport
12h 58m
1 Stop
12:13 am
+1
PHL
Philadelphia airport
Spirit Airlines
07 Sep
PHL
11:35 am
Philadelphia airport
12h 46m
1 Stop
9:21 pm
SEA
Seattle/Tacoma Intl airport
200 USD
American Airlines
American Airlines
11 Sep
SEA
4:59 am
Seattle/Tacoma Intl airport
5h 18m
1:17 pm
PHL
Philadelphia airport
American Airlines
16 Sep
PHL
12:30 pm
Philadelphia airport
10h 50m
1 Stop
8:20 pm
SEA
Seattle/Tacoma Intl airport
296 USD
American Airlines
American Airlines
18 Sep
SEA
4:59 am
Seattle/Tacoma Intl airport
5h 18m
1:17 pm
PHL
Philadelphia airport
American Airlines
27 Sep
PHL
12:30 pm
Philadelphia airport
10h 50m
1 Stop
8:20 pm
SEA
Seattle/Tacoma Intl airport
296 USD
Sun Country Air
Sun Country Air
05 Sep
SEA
4:55 pm
Seattle/Tacoma Intl airport
8h 05m
1 Stop
4:00 am
+1
PHL
Philadelphia airport
Sun Country Air
11 Sep
PHL
8:00 am
Philadelphia airport
9h 15m
1 Stop
2:15 pm
SEA
Seattle/Tacoma Intl airport
317 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 August
WHAT IS THE CHEAPEST DAY TO FLY TO PHILADELPHIA?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Friday
WHEN IS THE CHEAPEST TIME TO FLY TO PHILADELPHIA?
in the afternoon
Seattle to Philadelphia flights are approximately 180% 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?
29 days before
The cheapest time to buy a flight from Seattle to Philadelphia is approximately 29 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 6m The fastest flight from Seattle to Philadelphia takes 5h 6m.
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 Washington
Fastest flight time
4h 43m
Cheapest price
218 USD
Seattle to New York
Fastest flight time
6h 39m
Cheapest price
222 USD
Seattle to Newark
Fastest flight time
5h 02m
Cheapest price
231 USD
Portland to New York
Fastest flight time
6h 41m
Cheapest price
231 USD
Portland to New York
Fastest flight time
5h 03m
Cheapest price
237 USD
Portland to Newark
Fastest flight time
4h 55m
Cheapest price
237 USD
Seattle to Washington
Fastest flight time
5h 10m
Cheapest price
238 USD
Portland to Washington
Fastest flight time
4h 46m
Cheapest price
242 USD
Portland to Philadelphia
Fastest flight time
5h 00m
Cheapest price
249 USD
Seattle to New York
Fastest flight time
5h 04m
Cheapest price
263 USD
Portland to Washington
Fastest flight time
4h 55m
Cheapest price
276 USD
View more

Flights from Seattle to:

Flights to Philadelphia from:

  • Seattle
  • Washington
  • United States
  • North America
*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.