Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | June |
Cheapest in | February |
Round-trip from | $308 (CheapOair) |
One-way from | $134 (Mytrip) |
Fly from
Fly to
Route
Depart
Return
Price
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Fri 1/10
5:30 am-7:28 am
2 stops22h 58m
Philadelphia
Mon 1/13
10:05 pm-12:14 am
2 stops29h 09m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Wed 1/15
5:00 am-5:35 pm
2 stops9h 35m
Philadelphia
Sun 2/2
10:10 am-4:16 pm
1 stop9h 06m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Fri 1/3
9:36 pm-5:09 am
1 stop28h 33m
Philadelphia
Tue 1/7
2:40 pm-1:11 pm
2 stops25h 31m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Wed 1/22
7:00 am-9:05 pm
2 stops11h 05m
Philadelphia
Sat 1/25
12:45 pm-9:05 pm
2 stops11h 20m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Tue 1/14
7:25 am-11:53 pm
2 stops13h 28m
Philadelphia
Wed 2/5
5:40 am-12:31 pm
1 stop9h 51m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Tue 3/18
9:15 am-5:25 pm
Nonstop5h 10m
Philadelphia
Sat 3/22
5:46 pm-8:56 pm
Nonstop6h 10m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Mon 1/6
11:10 pm-7:17 am
Nonstop5h 07m
Philadelphia
Wed 1/8
11:50 am-7:10 pm
1 stop10h 20m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Wed 12/25
5:40 pm-10:47 am
1 stop14h 07m
Philadelphia
Mon 1/6
6:40 am-1:10 pm
1 stop9h 30m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Tue 1/7
6:11 am-1:45 pm
2 stops28h 34m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Wed 1/8
6:15 am-5:02 pm
1 stop7h 47m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*1 star | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy2 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy2 stars | Trust Score*2 stars |
The best time to book flights from Seattle to Philadelphia is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from Seattle to Philadelphia (average of $234). Flying from Seattle to Philadelphia in March is currently the most expensive (average of $283). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from Seattle to Philadelphia in the afternoon. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their Seattle to Philadelphia flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEA to PHL are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.
If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).