Find Flights from Philadelphia to Seattle (PHL - SEA)

Good to Know: PHL to SEA Flights

Useful information for finding cheap flights from Philadelphia International to Seattle Tacoma International and booking your next trip

Cheapest Round Trip Flight

$219

UA United Airlines • 1 stop • 14h 3m

Jul 19 – Jul 26

The cheapest round trip flight from Philadelphia International to Seattle Tacoma International is currently $219

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Cheapest Direct Flight

$423

HA Hawaiian Airlines • nonstop • 9h 17m

Jul 19

The cheapest nonstop flight from Philadelphia International to Seattle Tacoma International is currently $423

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Fastest Flight

9h 15m

The fastest nonstop flight from Philadelphia International to Seattle Tacoma International takes 9h 15m

Best Flight Deals from Philadelphia to Seattle

Explore the lowest round-trip fares from Philadelphia to Seattle. We've compared hundreds of airlines and travel sites so you don't have to.

Jul 19 - Jul 26, Economy
UA
Philadelphia → Seattle
14h 3m
3:05 PM - 8:48 PM • 1 stop
UA
Philadelphia → Seattle
16h 59m
11:11 AM - 12:30 AM • 2 stops
$219
United Airlines
Jul 19 - Jul 26, Economy
UA
Philadelphia → Seattle
14h 3m
3:05 PM - 8:48 PM • 1 stop
UA
Philadelphia → Seattle
27h
5:10 AM - 12:30 AM • 3 stops
$542
United Airlines
Jul 19 - Jul 26, Economy
AA
Philadelphia → Seattle
13h 31m
3:35 PM - 8:46 PM • 1 stop
AA
Philadelphia → Seattle
8h 27m
10:43 PM - 6:50 AM • nonstop
$641
American Airlines
Jul 19 - Jul 26, Economy
AA
Philadelphia → Seattle
17h
3:35 PM - 10:55 PM • 1 stop
AA
Philadelphia → Seattle
8h 27m
10:43 PM - 6:50 AM • nonstop
$641
American Airlines
Jul 19 - Jul 26, Economy
AA
Philadelphia → Seattle
17h
3:35 PM - 10:55 PM • 1 stop
AA
Philadelphia → Seattle
19h 7m
3:03 PM - 5:50 AM • 1 stop
$649
American Airlines
Jul 19 - Jul 26, Economy
UA
Philadelphia → Seattle
14h 3m
3:05 PM - 8:48 PM • 1 stop
UA
Philadelphia → Seattle
27h
5:10 AM - 12:30 AM • 1 stop
$1668
United Airlines

Compare & Book Cheapest Flights from Philadelphia to Seattle (PHL - SEA)

Looking for a cheap last-minute deal or the best round-trip flight from Philadelphia to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Philadelphia to Seattle Flights

What are the airports in Philadelphia?
PHL
What’s the most popular airline flying from PHL to SEA?
The most popular airline flying from Philadelphia to Seattle are
Can I fly from PHL to SEA non-stop?
Yes, you can fly PHL to SEA non-stop on
Which airlines fly nonstop between Philadelphia and Seattle?
The non-stop flights between Philadelphia and Seattle are .
What’s the earliest departure time from PHL to SEA Airport?
The earliest flight leaves PHL at 6:45 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Philadelphia to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from PHL to SEA?
Read the fare rules of the Philadelphia to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Philadelphia and Seattle?
operate flights between Philadelphia and Seattle
How long does a flight from Philadelphia to Seattle take?
It takes approximately 5 hour to fly non-stop from PHL to SEA, which is 2378.21 miles by air.
Which airlines provide the cheapest flights from Philadelphia (PHL) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from PHL were found on ('UA') : USD 1668
Do I need a passport to fly between PHL and SEA?
No
What’s the latest departure time from PHL to SEA ?
The last flight leaves PHL at 6:52 pm

Flights from Philadelphia to Seattle

Origin Airport Philadelphia International , Philadelphia, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance miles

Popular Airlines

Southwest Airlines-WN
Delta Airline, DL
United Airlines, UA
American Airlines, AA
Hawaiian Airlines-HA
Alaska Airlines -AS

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