What airlines fly to Philadelphia?

Alaska Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Philadelphia from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 9 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in State of Washington, such as Seattle or Spokane, and flying into Philadelphia, then you can expect flight times to average 5h 08m and 6h 30m, respectively.

What is the cheapest airline that flies from Washington to Philadelphia?

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Washington to Philadelphia

When did momondo last update prices for flights from Washington to Philadelphia Airport?

Prices for flights from Washington to Philadelphia Airport are updated daily.

How many operators does momondo search for flights from Washington to Philadelphia Airport?

As of August 2025, there are 9 operators available to choose from for flights from Washington to Philadelphia Airport.

How old do you have to be to fly from Washington to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$73 Cheap Flights from Washington to Philadelphia in 2025

Q: How many flights depart from State of Washington to Philadelphia on average per week?

As of August 2025, there are 68 flights per week flying from State of Washington to Philadelphia. The most common day of the week flights depart is Thu, with 18% of flights taking off on this day.

Q: How many flights depart from State of Washington to Philadelphia on average per day?

9 flights are operational daily from State of Washington to Philadelphia as of August 2025. The most popular departure time for this route is 9:00PM, with 51% of flights per day taking off in the evening.

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Find the cheapest flights from Washington to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:10 am - 5:55 pmPDX-PHL

8h 45m1 stop

1:35 pm - 8:10 pmPHL-PDX

9h 35m1 stop

$178Southwest

Find Deal

vie., sep. 5 - vie., sep. 12

6:00 am - 4:00 pmPDX-PHL

7h 00m1 stop

6:10 pm - 11:05 pmPHL-PDX

7h 55m1 stop

$194Southwest

Find Deal

mar., sep. 16 - vie., sep. 19

11:40 pm - 10:34 amSEA-PHL

7h 54m1 stop

7:00 am - 2:39 pmPHL-SEA

10h 39m1 stop

$207Delta

Find Deal

mar., sep. 16 - mar., sep. 30

5:30 am - 5:45 pmPDX-PHL

9h 15m1 stop

12:47 pm - 7:45 pmPHL-PDX

9h 58m1 stop

$211Delta

Find Deal

mar., sep. 23 - sáb., sep. 27

5:54 pm - 5:40 amGEG-PHL

8h 46m1 stop

7:11 pm - 8:20 amPHL-GEG

16h 09m1 stop

$220Alaska Airlines

Find Deal

lun., oct. 20 - mié., oct. 22

6:27 pm - 5:35 amPDX-PHL

8h 08m1 stop

9:55 am - 3:05 pmPHL-PDX

8h 10m1 stop

$247United Airlines

Find Deal

mié., ago. 20 - sáb., ago. 23

6:00 am - 7:19 pmGEG-PHL

10h 19m1 stop

6:42 am - 11:41 amPHL-GEG

7h 59m1 stop

$250American Airlines

Find Deal

vie., sep. 5 - sáb., sep. 13

7:00 pm - 5:35 amSEA-PHL

7h 35m1 stop

6:30 am - 1:33 pmPHL-SEA

10h 03m1 stop

$254United Airlines

Find Deal

vie., ago. 29 - dom., ago. 31

10:52 pm - 6:50 amSEA-PHL

4h 58mnonstop

2:10 pm - 11:18 pmPHL-SEA

12h 08m1 stop

$257American Airlines

Find Deal

mié., nov. 5 - mié., nov. 12

7:40 am - 5:31 pmPDX-PHL

6h 51m1 stop

6:35 pm - 12:03 amPHL-PDX

8h 28m1 stop

$263Alaska Airlines

Find Deal

jue., ene. 15 - jue., ene. 29

Frontier flights from State of Washington to Philadelphia

Our best Frontier deals on State of Washington to Philadelphia flight tickets

Frontier

Sep 3

SEA6:41 amSeattle/Tacoma Intl

19h 13m

1 stop

PHL4:54 amPhiladelphia

Sep 6

PHL6:45 amPhiladelphia

16h 54m

1 stop

SEA8:39 pmSeattle/Tacoma Intl

$265

Find similar

Frontier

Sep 3

SEA6:41 amSeattle/Tacoma Intl

19h 13m

1 stop

PHL4:54 amPhiladelphia

Sep 6

PHL6:45 amPhiladelphia

16h 54m

1 stop

SEA8:39 pmSeattle/Tacoma Intl

$268

Find similar

Frontier

Aug 20

PDX6:51 amPortland

19h 03m

1 stop

PHL4:54 amPhiladelphia

Aug 23

PHL6:25 amPhiladelphia

19h 14m

1 stop

PDX10:39 pmPortland

$269

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Spirit Airlines flights from State of Washington to Philadelphia

Our best Spirit Airlines deals on State of Washington to Philadelphia flight tickets

Spirit Airlines

Sep 18

PDX12:07 pmPortland

14h 58m

1 stop

PHL6:05 amPhiladelphia

Sep 21

PHL10:03 pmPhiladelphia

24h 20m

2 stops

PDX7:23 pmPortland

$271

Find similar

Spirit Airlines

Sep 2

PDX7:52 pmPortland

24h 28m

3 stops

PHL11:20 pmPhiladelphia

Sep 9

PHL12:00 pmPhiladelphia

26h 11m

2 stops

PDX11:11 amPortland

$279

Find similar

Spirit Airlines

Sep 2

PDX7:52 pmPortland

24h 28m

3 stops

PHL11:20 pmPhiladelphia

Sep 9

PHL12:00 pmPhiladelphia

34h 23m

3 stops

PDX7:23 pmPortland

$294

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

vie. 9/5

6:10 am-5:55 pm

1 stop8h 45m

Philadelphia

vie. 9/12

1:35 pm-8:10 pm

1 stop9h 35m

$178

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

mar. 9/16

6:00 am-4:00 pm

1 stop7h 00m

Philadelphia

vie. 9/19

6:10 pm-11:05 pm

1 stop7h 55m

$194

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

mar. 9/16

11:40 pm-10:34 am

1 stop7h 54m

Philadelphia

mar. 9/30

7:00 am-2:39 pm

1 stop10h 39m

$207

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

mar. 9/23

5:30 am-5:45 pm

1 stop9h 15m

Philadelphia

sáb. 9/27

12:47 pm-7:45 pm

1 stop9h 58m

$211

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

lun. 10/20

5:54 pm-5:40 am

1 stop8h 46m

Philadelphia

mié. 10/22

7:11 pm-8:20 am

1 stop16h 09m

$220

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

mié. 8/20

6:27 pm-5:35 am

1 stop8h 08m

Philadelphia

sáb. 8/23

9:55 am-3:05 pm

1 stop8h 10m

$247

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

vie. 9/5

6:00 am-7:19 pm

1 stop10h 19m

Philadelphia

sáb. 9/13

6:42 am-11:41 am

1 stop7h 59m

$250

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

vie. 8/29

7:00 pm-5:35 am

1 stop7h 35m

Philadelphia

dom. 8/31

6:30 am-1:33 pm

1 stop10h 03m

$254

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

mié. 11/5

10:52 pm-6:50 am

Nonstop4h 58m

Philadelphia

mié. 11/12

2:10 pm-11:18 pm

1 stop12h 08m

$257

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

jue. 1/15

7:40 am-5:31 pm

1 stop6h 51m

Philadelphia

jue. 1/29

6:35 pm-12:03 am

1 stop8h 28m

$263

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Philadelphia

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

Prices

Airlines

Other information

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from State of Washington is in March. Flight prices, which tend to average around $387, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Philadelphia, with average flight prices from State of Washington averaging around $402.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from State of Washington to Philadelphia is on a Wednesday. Travelers who choose to depart for Philadelphia on a Wednesday will often find tickets for as low as $473. On the other hand, Sunday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $598.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is at noon. momondo users have found flights departing from State of Washington to Philadelphia at noon for as low as $344. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $726.

What is the cheapest Washington to Philadelphia flight route?

Fly from Seattle/Tacoma Intl to Philadelphia for the best Washington - Philadelphia flight prices

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

You are more likely to see cheaper flights to Philadelphia from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $453 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from State of Washington for as low as $364 on momondo.

What cabin class options are available on Washington to Philadelphia flights?

There are 4 cabin classes available to choose from on Washington to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap State of Washington to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Philadelphia

Best Price Found	$73
Fastest flight time	4h 58m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from State of Washington in the past 72 hours is $73. The best round-trip flight deal from State of Washington to Philadelphia found on momondo in the last 72 hours is $178.

The fastest flight from State of Washington to Philadelphia takes 4h 58m

Direct flights go from State of Washington to Philadelphia every day.

There is 1 airport near Philadelphia: Philadelphia (PHL)

Search flight deals

When did momondo last update prices for flights from Washington to Philadelphia Airport?
Prices for flights from Washington to Philadelphia Airport are updated daily.
How many operators does momondo search for flights from Washington to Philadelphia Airport?
As of August 2025, there are 9 operators available to choose from for flights from Washington to Philadelphia Airport.
How old do you have to be to fly from Washington to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from State of Washington to Philadelphia?
Based on momondo bookings for flights between State of Washington and Philadelphia, the leading plane model is Boeing 737 MAX 9, making up 45.57% of the total bookings. Other popular models include Airbus A321-100/200 with 32.09%, Boeing 737-900 Passenger/BBJ3 (winglets) with 9.75%, and Boeing 737 with 3.82%.

Best airlines flying from State of Washington to Philadelphia

Compare and see reviews for airlines that fly from State of Washington to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $113	Free Cancellation	Rating 6.3 8,055 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $132	Free Cancellation	Rating 5.8 3,230 reviews	Search Frontier flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
Alaska Airlines	PriceFrom $291	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $327	Free Cancellation	Rating 7.8 2,631 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $343	Free Cancellation	Rating 8.0 4,247 reviews	Search Southwest flights

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Pottstown

New Castle

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Philadelphia?

Finding the right flight to Philadelphia from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Philadelphia quick and easy, saving you time and money.

Can I find flights from Washington to Philadelphia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Philadelphia from Washington with this policy.

How can momondo help me find flights from Washington to Philadelphia?

Once you have performed a search for Washington to Philadelphia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington to Philadelphia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Philadelphia from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Philadelphia trip

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Cheap flights from Washington to Philadelphia from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Philadelphia departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Washington to Philadelphia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from State of Washington to Philadelphia

Our best Frontier deals on State of Washington to Philadelphia flight tickets

Spirit Airlines flights from State of Washington to Philadelphia

Our best Spirit Airlines deals on State of Washington to Philadelphia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Philadelphia that are best for you.

See travel insights to Philadelphia from

How to get the cheapest flight ticket from State of Washington to Philadelphia

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 to Philadelphia?

What is the cheapest day to depart on your flight to Philadelphia?

What is the cheapest time of day to depart on your flight to Philadelphia?

What is the cheapest Washington to Philadelphia flight route?

Fly from Seattle/Tacoma Intl to Philadelphia for the best Washington - Philadelphia flight prices

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

What cabin class options are available on Washington to Philadelphia flights?

There are 4 cabin classes available to choose from on Washington to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Washington to Philadelphia?

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Washington to Philadelphia

What airlines fly to Philadelphia?

How many flights depart from State of Washington to Philadelphia on average per day?

9 flights are operational daily from State of Washington to Philadelphia as of August 2025. The most popular departure time for this route is 9:00PM, with 51% of flights per day taking off in the evening.

How many flights depart from State of Washington to Philadelphia on average per week?

As of August 2025, there are 68 flights per week flying from State of Washington to Philadelphia. The most common day of the week flights depart is Thu, with 18% of flights taking off on this day.

How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in State of Washington, such as Seattle or Spokane, and flying into Philadelphia, then you can expect flight times to average 5h 08m and 6h 30m, respectively.

Cheap State of Washington to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Philadelphia

Best Price Found

Fastest flight time

Direct flights

Airports in Philadelphia

When did momondo last update prices for flights from Washington to Philadelphia Airport?

How many operators does momondo search for flights from Washington to Philadelphia Airport?

How old do you have to be to fly from Washington to Philadelphia Airport?

What documentation or ID do you need to fly to Philadelphia Airport?

What is the most popular plane model from State of Washington to Philadelphia?

Best airlines flying from State of Washington to Philadelphia

Compare and see reviews for airlines that fly from State of Washington to Philadelphia with momondo

Traveling to a place near Philadelphia?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Philadelphia?

Can I find flights from Washington to Philadelphia with flexible booking policies on momondo?

How can momondo help me find flights from Washington to Philadelphia?

I’m not ready to book a flight from Washington to Philadelphia right now. Can momondo alert me if prices change?

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Pennsylvania