Cheap flights from Seattle to Philadelphia

Round-trip
Economy
Seattle (SEA)
Philadelphia (PHL)
Sat 10/31
Sat 11/7
Any month
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Flight information for Seattle to Philadelphia

Find info about flight duration, direct flights, and airports for your flight from Seattle to Philadelphia
Best Price Found $157 The best flight deal from Seattle to Philadelphia found on momondo in the last 72 hours is $157
Fastest flight time 5h 7m The fastest flight from Seattle to Philadelphia takes 5h 7m.
Direct flights None There are no direct flights from Seattle to Philadelphia. Popular non-direct route for this connection is Seattle/Tacoma Intl - Philadelphia.
Airports in Philadelphia 1 airport There is 1 airport near Philadelphia: Philadelphia (PHL)

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?
Saturday
The cheapest day of the week is typically Saturday. The most expensive is typically Sunday
When is the cheapest time to fly to Philadelphia?
in the afternoon
Seattle to Philadelphia flights are approximately 44% more expensive in the evening than in the afternoon
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?
28 days before
The cheapest time to buy a flight from Seattle to Philadelphia is approximately 28 days to departure
60
Days before departure
0

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
Cheapest
Best
Quickest
Multiple Airlines
Nov 4
SEA
Seattle/Tacoma Intl
18h 44m
2 stops
PHL
Philadelphia
Nov 16
PHL
Philadelphia
15h 01m
2 stops
SEA
Seattle/Tacoma Intl
Multiple Airlines
Oct 26
SEA
Seattle/Tacoma Intl
8h 13m
1 stop
PHL
Philadelphia
Nov 7
PHL
Philadelphia
6h 03m
SEA
Seattle/Tacoma Intl
Multiple Airlines
Nov 4
SEA
Seattle/Tacoma Intl
18h 44m
2 stops
PHL
Philadelphia
Nov 12
PHL
Philadelphia
34h 16m
2 stops
SEA
Seattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Philadelphia

If you're looking for one-way flights from Seattle to Philadelphia, view some of our deals below provided by Spirit Airlines
Cheapest
Best
Quickest
Multiple Airlines
Nov 16
SEA
Seattle/Tacoma Intl
31h 21m
2 stops
PHL
Philadelphia
Spirit Airlines
Nov 17
SEA
Seattle/Tacoma Intl
18h 33m
2 stops
PHL
Philadelphia
Delta
Oct 22
SEA
Seattle/Tacoma Intl
7h 58m
1 stop
PHL
Philadelphia

Which airlines flying from Seattle to Philadelphia have COVID-19 safety policies in place?

Alaska Airlines, JetBlue, and Delta have implemented additional safety measures to accommodate travelers. When flying from Seattle to Philadelphia, expect masks to be provided - they are required onboard. Aircrafts are also being cleaned thoroughly with enhanced products regularly. Additional policies include the installation of HEPA filters and pre-flight testing. Some airlines are even offering socially-distanced seating for a limited time. Keep in mind that policies will vary by airline.

Are airlines flying from Seattle to Philadelphia offering flexible cancellation due to COVID-19?

Due to the global impact of COVID-19, some of our airline partners operating flights from Seattle to Philadelphia, such as American Airlines, Alaska Airlines, and Spirit Airlines may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.


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 Pittsburgh Flights
Fastest flight time
4h 30m
Cheapest price
$164
Spokane to Philadelphia Flights
Fastest flight time
6h 49m
Cheapest price
$216
Spokane to Pittsburgh Flights
Fastest flight time
7h 18m
Cheapest price
$228
Seattle to Erie Flights
Fastest flight time
6h 42m
Cheapest price
$416
View more

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Economy
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