Cheap flights from Philadelphia to Seattle (PHL - SEA)

PHL — SEA
Feb 12 — Feb 192

The best prices from Philadelphia to Seattle/Tacoma Intl are usually found in February or March, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from Philadelphia (PHL) to Seattle (SEA)

All the information you need to plan the best PHL to SEA flight in 2023: compare Philadelphia to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

PHL - SEA

Price

$297 - $693

SEA

Temperature

41 - 66.2 °F

SEA

Rainfall

0.7 - 6.6 inches

Popular inJulyHigh demand for flights, 35% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 34% potential price drop
Round-trip from$297From Philadelphia to Seattle/Tacoma Intl
One-way from$115One-way flight from Philadelphia to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Philadelphia to Seattle?

Users have found that flying from Philadelphia to Seattle on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Philadelphia to Seattle?

Users have found that booking a flight from Philadelphia to Seattle at least 46 days early can save you up to 47% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Philadelphia to Seattle for as little as $606 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $702 for flights departing within the next 3 days.

What is the cheapest month to fly from Philadelphia to Seattle?

The best pricing can be found in the month of February. Prices to Seattle from Philadelphia average $449. You can even find prices in February for less than $449, as users have found deals to Seattle from as low as $161. The month of July appears to be one of the more expensive times to travel to Seattle from Philadelphia. Flying in the targeted month can save you up to 54%.

When is the cheapest time to fly from Philadelphia to Seattle (PHL - SEA)?

One of the essential ways to save on airfare from Philadelphia to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 44% on airfare.

Cheap flights from Philadelphia to Seattle in February, March 2023

The best prices found for PHL to SEA flights for February, March

Philadelphia to Seattle 2023 flight deals

Cheap flights to Seattle from Philadelphia found for this year

Cheap Spirit Airlines flights from Philadelphia to Seattle

  • If you’re traveling from Philadelphia to Seattle, one of the more common airlines traveling that route is Spirit Airlines. Philadelphia to Seattle flights are typically 39% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $417.21 RT. The cheapest Spirit Airlines flight found for this route was $178. When traveling from Philadelphia to Seattle on Spirit Airlines, the most popular airport to depart from is Philadelphia Airport and the most popular airport to arrive at is Seattle/Tacoma Intl Airport. When flying from Philadelphia to Seattle, Spirit Airlines flights are 23% more popular than any other airline flying that same route.

Cheap Frontier flights from Philadelphia to Seattle

  • One of the most popular airlines traveling from Philadelphia to Seattle is Frontier. Flights from Frontier traveling this route typically cost $531.30 RT. This price is typically 31% cheaper than other airlines that offer Philadelphia to Seattle flights. When booking this route, the cheapest RT price found was $218. Philadelphia Airport is the most common Philadelphia airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Philadelphia to Seattle, Frontier flights are 14% more popular than any other airline flying that same route.

Non-stop flights to Seattle from Philadelphia

Save time with Philadelphia to Seattle direct flight deals

Last minute flights from Philadelphia to Seattle

Late deals on return flights to Seattle from Philadelphia, departing today and this week

One-way flights to Seattle from Philadelphia

The cheapest one-way flights from Philadelphia to Seattle

Reviews of Airlines Servicing Seattle

JetBlue
7.7
Good
387 reviews

Boarding

7.8

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

7.7

Crew

8.3

Reviews

1 / 10

The flight was fine. The flight crew was super friendly and helpful. There tv monitors on the plane were outdated and useless. Other than that my trip was perfect!

JetBlue
7.7
Good
387 reviews
JetBlue
7.7
Good
387 reviews

Boarding

7.8

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

7.7

Crew

8.3

Reviews

1 / 10

The flight was fine. The flight crew was super friendly and helpful. There tv monitors on the plane were outdated and useless. Other than that my trip was perfect!

Spirit Airlines
6.9
Okay
717 reviews
JetBlue
7.7
Good
387 reviews

Boarding

7.8

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

7.7

Crew

8.3

Reviews

1 / 10

The flight was fine. The flight crew was super friendly and helpful. There tv monitors on the plane were outdated and useless. Other than that my trip was perfect!

Frontier
6.1
Okay
539 reviews
JetBlue
7.7
Good
387 reviews

Boarding

7.8

Entertainment

7.5

Food

7.0

Comfort

8.0

Overall

7.7

Crew

8.3

Reviews

1 / 10

The flight was fine. The flight crew was super friendly and helpful. There tv monitors on the plane were outdated and useless. Other than that my trip was perfect!

Related info for your journey

Useful info, stats and facts about Philadelphia to Seattle flights.

What airports do I use to fly from Philadelphia to Seattle?

Booking a flight from Philadelphia (PHL) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Philadelphia to Seattle. On a typical day, there are 5 flights from Philadelphia to Seattle/Tacoma Intl, all of which are around 6h 00m for a nonstop flight. You can also purchase a plane ticket from 12 airlines when you book a flight from Philadelphia to Seattle.

Which airlines flying from Philadelphia to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

American Airlines, Alaska Airlines, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Philadelphia to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Seattle for under $200. The cheapest flight booked recently is on Spirit Airlines for just $162, but on average you can expect to pay $172.

Are there nonstop flights from Philadelphia to Seattle for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Philadelphia to Seattle under $300. A good price for a nonstop flight from Philadelphia to Seattle is less than $361.

Are there last-minute flights available from Philadelphia to Seattle for under $300?

There are currently 20+ open flights from Philadelphia to Seattle within the next 7 days for less than $300.

What days are nonstop flights available from Philadelphia to Seattle?

Nonstop flights are available for this route on the following days: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this Philadelphia to Seattle flight route?

Flights from Philadelphia to Seattle/Tacoma Intl have been viewed 52 times in the past calendar month.

How many flights depart from Philadelphia to Seattle on average per day?

On average, you can expect to see 6 flights from Philadelphia to Seattle a day.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Philadelphia to Seattle?

A quick flight from Philadelphia to Seattle can take about 14h 53m. Spirit Airlines provides one of the quickest options available for as low as $162. The distance between Philadelphia and Seattle is about 2385 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Philadelphia to Seattle round-trip?

According to our current data, Spirit Airlines ($162), and Frontier ($165) offers the cheapest pricing from Philadelphia to Seattle. These flights start at 63% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Philadelphia to Seattle one-way?

One-way options have recently been found by users for as low as $76 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $86 and JetBlue from $115 one-way.

What are the most popular airlines that fly from Philadelphia to Seattle?

The most popular airlines flying from Philadelphia to Seattle are Undisclosed Carrier, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

What are the most reliable airlines from Philadelphia to Seattle?

Consider Alaska Airlines (86%), Qatar Airways (85%) or British Airways (83%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to Seattle.

What are the cheapest flights from Philadelphia to Seattle?

While on average a flight from Philadelphia to Seattle is generally $1,187, our data shows the cheapest flight currently is $177. When looking at the most popular route, (Philadelphia - Seattle/Tacoma Intl), you can expect to pay $162 for that flight.

Alternative routes for Philadelphia to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Philadelphia to Seattle

The chart below displays the airlines Cheapflights users traveling from Philadelphia to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$107Average$214FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
JetBlueCheapest$127Average$279FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
Alaska AirlinesCheapest$178Average$417FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
DeltaCheapest$179Average$456FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Spirit AirlinesCheapest$194Average$350FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
American AirlinesCheapest$218Average$531FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Sun Country AirCheapest$226Average$428FlexibilityNo cancel feeOn-time83%COVID-19 safety
Search Sun Country Air flights
United AirlinesCheapest$227Average$502FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from Philadelphia to Seattle

See what time of day planes typically take off from Philadelphia to Seattle
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Philadelphia to Seattle

See how many times per day planes take to the skies headed from Philadelphia to Seattle
Sunday5daily flights
Monday6daily flights
Tuesday5daily flights
Wednesday4daily flights
Thursday5daily flights
Friday5daily flights
Saturday6daily flights
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