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PHL - SEA
Find cheap flights from Philadelphia to Seattle/Tacoma Airport
Round-trip
Economy
Search hundreds of travel sites at once for deals on flights to Seattle/Tacoma Airport
Good to know
Low season |
February | Best time to beat the crowds with an average 18% drop in price. |
|---|---|---|
High season |
June | Most popular time to fly with an average 12% increase in price. |
Average price of a round-trip |
$349 | (avg. price over the last 2 weeks) |
Good deal for a round-trip |
$334 | or less |
When to book flights from Philadelphia to Seattle/Tacoma Intl
Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days
Top tips for finding a cheap flight
- Looking for a cheap flight? 25% of our users found flights on this route for $213 or less.
- The cheapest flight from Philadelphia to Seattle/Tacoma Airport was found 62 days before departure, on average.
- Book at least 2 weeks before departure in order to get a below-average price.
- High season is considered to be May, June and July. The cheapest month to fly is February.
- Morning departure is around 64% more expensive than an evening flight, on average*.
FAQs for booking Philadelphia to Seattle/Tacoma Airport flights
Are flight prices cheaper from Philadelphia to Seattle/Tacoma Airport because of Coronavirus (COVID-19)?
How long does a flight from Philadelphia to Seattle/Tacoma Airport take?
How many flights are there between Philadelphia and Seattle/Tacoma Airport?
Which airlines provide the cheapest flights from Philadelphia to Seattle/Tacoma Airport?
Do I need a passport to fly between Philadelphia and Seattle/Tacoma Airport?
Which airlines fly most frequently between Philadelphia and Seattle/Tacoma Airport?
What’s the cheapest day of the week to fly Philadelphia to Seattle/Tacoma Airport?
How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?
Top airlines flying Philadelphia to Seattle/Tacoma Intl
Scores according to KAYAK customer reviews
7.7
Sun Country Air
Overall score based on 9,064 reviews
8.2
Boarding
7.7
Comfort
8.4
Crew
6.8
Entertainment
7.1
Food
Book cheap flights from Philadelphia to Seattle/Tacoma Airport (round-trip)
Spirit Airlines
Wed, Aug 19
PHL
Philadelphia Airport
SEA
Seattle/Tacoma Airport
8h 53m
Wed, Aug 26
SEA
Seattle/Tacoma Airport
PHL
Philadelphia Airport
24h 29m
Trip: 8 days
Based on null reviews
Multiple Airlines
Tue, Aug 11
PHL
Philadelphia Airport
SEA
Seattle/Tacoma Airport
8h 53m
Thu, Aug 13
SEA
Seattle/Tacoma Airport
PHL
Philadelphia Airport
28h 34m
Trip: 3 days
Based on null reviews
Spirit Airlines
Sat, Aug 8
PHL
Philadelphia Airport
SEA
Seattle/Tacoma Airport
8h 53m
Mon, Aug 10
SEA
Seattle/Tacoma Airport
PHL
Philadelphia Airport
11h 56m
Trip: 3 days
Based on null reviews
Multiple Airlines
Mon, Jul 27
PHL
Philadelphia Airport
SEA
Seattle/Tacoma Airport
21h 35m
Mon, Aug 3
SEA
Seattle/Tacoma Airport
PHL
Philadelphia Airport
26h 29m
Trip: 8 days
Based on null reviews
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Book cheap flights from Philadelphia to Seattle/Tacoma Airport (one-way)
Based on null reviews
Based on null reviews
Based on null reviews
Based on null reviews
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Philadelphia - Seattle/Tacoma Airport Flights
Departure:
Philadelphia (PHL) United States
Destination:
Seattle/Tacoma Airport (SEA) United States
Return flight deals:
Browse destinations:
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.
We attempt to get accurate prices, however, prices are not guaranteed.
We attempt to get accurate prices, however, prices are not guaranteed.
Here's why:
We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.
We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.
Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.
If you have more questions or if you have a bad price to report to us,
please send us an
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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last
72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may
not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags.
Please check the carriers' sites.
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