Cheap flights from Philadelphia to Seattle from $138
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Travel Restriction Alert
View current United States travel restrictionsFlight information for Philadelphia to Seattle
(PHL to SEA)
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Seattle
Best Price Found | $138 |
|---|---|
Fastest flight time | 5h 59m |
Direct flights | Mon, Tue, Thu, Sat and Sun |
Airports in Seattle | 3 airports |
How to get the cheapest flight ticket from Philadelphia to Seattle
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 from Philadelphia to Seattle?
January
The cheapest time of year to fly to Seattle from Philadelphia is January. Most expensive is June
What is the cheapest day to depart Philadelphia for Seattle?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly from Philadelphia to Seattle?
in the evening
Philadelphia to Seattle flights are approximately 31% more expensive at noon than in the evening
What is the cheapest airline that flies to Seattle from Philadelphia?
Juneyao Airlines
Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Philadelphia to Seattle
What is the cheapest Philadelphia to Seattle flight route?
Philadelphia - Seattle/Tacoma Intl
Fly from Philadelphia to Seattle/Tacoma Intl for the best Philadelphia - Seattle flight prices
How far in advance should you book Philadelphia to Seattle flights?
48 days before
The cheapest time to buy a flight from Philadelphia to Seattle is approximately 48 days to departure
When traveling from Philadelphia to Seattle, the most popular airport to fly into is Seattle/Tacoma Intl Airport. The majority of travelers flying into Seattle/Tacoma Intl Airport from Philadelphia are departing from Philadelphia Airport. When booking your trip to Seattle, it is helpful to have an alternative airport to fly out of. Good options for departure airports when traveling to Seattle, you can try Newark Airport (in Newark), Allentown-Bethlehem Airport (in Allentown), or Atlantic City Airport (in Atlantic City). When traveling from Philadelphia, it is helpful to have an alternative airport to fly into when you land in Seattle. The nearest airport to Seattle/Tacoma Intl Airport is Seattle/Tacoma Intl Airport which is located in Seattle. The least expensive flight option from Philadelphia to Seattle will typically be EWR — SEA during the month of May with an average price of $273 RT.
Easily compare round-trip flights from Philadelphia to Seattle
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 Philadelphia to Seattle by changing tabs
Find the cheapest one-way flights from Philadelphia to Seattle
If you're looking for one-way flights from Philadelphia to Seattle, view some of our deals below provided by Alaska Airlines, American Airlines and Delta
Search last-minute flights to Seattle from Philadelphia
Find and compare round-trip flight prices for your last-minute flight from Philadelphia to Seattle
Best airlines flying from Philadelphia to Seattle
Compare and see reviews for airlines that fly from Philadelphia to Seattle with momondo
Alaska Airlines Flights From Philadelphia to Seattle
Alaska Airlines flies from Philadelphia to Seattle around 9 times per week, with 402 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Philadelphia to Seattle in the last 72 hours was $147 (round-trip), much lower than the average airfare cost of $318 for Alaska Airlines flights on this route.
American Airlines Flights From Philadelphia to Seattle
American Airlines (7.3/10 from 505 reviews) operates around 7 flights from Philadelphia to Seattle in any given week. The average American Airlines airfare for this route is around $435, with deals from around $168 rare but found on momondo. Referenced prices are for round-trip Philadelphia to Seattle flight searches in the last 72 hours.
Delta flights from Philadelphia to Seattle
Our best Delta deals on Philadelphia to Seattle flight tickets
United Airlines flights from Philadelphia to Seattle
Our best United Airlines deals on Philadelphia to Seattle flight tickets
Are airlines flying from Philadelphia to Seattle/Tacoma Intl offering flexible cancellation due to COVID-19?
Due to the global impact of COVID-19, some of our airline partners operating flights from Philadelphia to Seattle/Tacoma Intl, such as American Airlines, Alaska Airlines, and Delta may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.
How far is Philadelphia to Seattle/Tacoma Intl by plane?
The straight-line distance from Philadelphia to Seattle/Tacoma Intl is 2372.3 mi. 5h 59m is a normal flight duration for this route.
Can I fly to Seattle/Tacoma Intl from Philadelphia right now?
Most visitors from Philadelphia need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.
COVID-19 testing requirements
Visitors from Philadelphia must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.
Quarantine requirements
Visitors from Philadelphia are not required to quarantine after entering Seattle/Tacoma Intl.
Can I fly back to Philadelphia from Seattle/Tacoma Intl?
COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Philadelphia.
Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Philadelphia.
Alternative routes for Philadelphia to Seattle
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Similar Philadelphia to Seattle flights
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Flights to other cities in United States
Lost the lust for Seattle? Check out some flights to other cities in United States
Why use momondo?
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Yes. All flights to Seattle from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.
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