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 Pasco, and flying into Philadelphia, then you can expect flight times to average 5h 20m and 7h 20m, respectively.

What airlines fly to Philadelphia?

Alaska Airlines, Delta 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 52% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 10 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

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

Frontier, United Airlines, and Delta 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 May 2026, there are 7 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.

$99 Cheap Flights from Washington to Philadelphia in 2026

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

As of May 2026, there are 43 flights per week flying from State of Washington to Philadelphia. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

6 flights are operational daily from State of Washington to Philadelphia as of May 2026. The most popular departure time for this route is 12:00PM, with 44% of flights per day taking off in the afternoon.

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Find the cheapest flights from Washington to Philadelphia

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 5:41 am

GEG

PHL

9h 41m

1 stop

7:05 am - 1:02 pm

PHL

GEG

8h 57m

1 stop

$279Delta

Thu, Oct 15 - Mon, Oct 19

12:50 pm - 12:57 am

GEG

PHL

9h 07m

1 stop

6:10 am - 1:21 pm

PHL

GEG

10h 11m

2 stops

$284Delta

Thu, Jul 16 - Tue, Jul 21

12:51 pm - 12:36 am

GEG

PHL

8h 45m

1 stop

12:51 pm - 8:43 pm

PHL

GEG

10h 52m

1 stop

$312American Airlines

Fri, May 29 - Fri, Jun 5

2:01 pm - 12:39 am

GEG

PHL

7h 38m

1 stop

5:35 pm - 11:09 pm

PHL

GEG

8h 34m

1 stop

$324American Airlines

Thu, Jun 4 - Tue, Jun 9

5:42 pm - 12:23 pm

PDX

PHL

15h 41m

2 stops

8:37 pm - 4:57 pm

PHL

PDX

23h 20m

1 stop

$329Frontier

Tue, Aug 18 - Fri, Aug 28

9:22 pm - 5:35 am

SEA

PHL

5h 13mnonstop

7:16 pm - 10:28 pm

PHL

SEA

6h 12mnonstop

$330Alaska Airlines

Fri, May 22 - Sun, May 24

3:19 pm - 5:37 am

SEA

PHL

11h 18m

1 stop

7:00 am - 10:35 am

PHL

SEA

30h 35m

2 stops

$331Frontier

Thu, May 28 - Wed, Jun 17

9:22 pm - 5:35 am

SEA

PHL

5h 13mnonstop

10:40 am - 10:36 am

PHL

SEA

26h 56m

1 stop

$332Multiple Airlines

Fri, May 29 - Sun, May 31

9:22 pm - 5:35 am

SEA

PHL

5h 13mnonstop

7:00 am - 9:59 am

PHL

SEA

5h 59mnonstop

$333Alaska Airlines

Thu, May 28 - Sun, May 31

8:20 pm - 6:21 am

SEA

PHL

31h 01m

1 stop

4:45 pm - 10:34 pm

PHL

SEA

8h 49m

1 stop

$335Multiple Airlines

Fri, May 29 - Tue, Jun 2

Southwest flights from State of Washington to Philadelphia

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

Southwest

Jun 10

SEA5:15 amSeattle/Tacoma Intl

10h 25m

2 stops

PHL6:40 pmPhiladelphia

Jun 13

PHL2:50 pmPhiladelphia

7h 20m

1 stop

SEA7:10 pmSeattle/Tacoma Intl

$350

Southwest

Aug 10

SEA11:05 pmSeattle/Tacoma Intl

9h 30m

1 stop

PHL11:35 amPhiladelphia

Aug 15

PHL6:30 amPhiladelphia

10h 50m

2 stops

SEA2:20 pmSeattle/Tacoma Intl

$354

Southwest

May 30

SEA8:30 amSeattle/Tacoma Intl

10h 05m

2 stops

PHL9:35 pmPhiladelphia

Jun 6

PHL5:35 pmPhiladelphia

8h 30m

1 stop

SEA11:05 pmSeattle/Tacoma Intl

$358

Delta flights from State of Washington to Philadelphia

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

Delta

Oct 15

GEG5:00 pmSpokane

9h 41m

1 stop

PHL5:41 amPhiladelphia

Oct 19

PHL7:05 amPhiladelphia

8h 57m

1 stop

GEG1:02 pmSpokane

$279

Delta

Jul 16

GEG7:08 pmSpokane

10h 33m

2 stops

PHL8:41 amPhiladelphia

Jul 21

PHL6:25 amPhiladelphia

8h 15m

1 stop

GEG11:40 amSpokane

$284

Delta

Jul 16

GEG5:10 pmSpokane

12h 31m

2 stops

PHL8:41 amPhiladelphia

Jul 21

PHL5:15 amPhiladelphia

11h 06m

2 stops

GEG1:21 pmSpokane

$290

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

Cheapest round-trip

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 10/15

5:00 pm-5:41 am

1 stop9h 41m

Philadelphia

Mon 10/19

7:05 am-1:02 pm

1 stop8h 57m

$279

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 7/16

12:50 pm-12:57 am

1 stop9h 07m

Philadelphia

Tue 7/21

6:10 am-1:21 pm

2 stops10h 11m

$284

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Fri 5/29

12:51 pm-12:36 am

1 stop8h 45m

Philadelphia

Fri 6/5

12:51 pm-8:43 pm

1 stop10h 52m

$312

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 6/4

2:01 pm-12:39 am

1 stop7h 38m

Philadelphia

Tue 6/9

5:35 pm-11:09 pm

1 stop8h 34m

$324

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Tue 8/18

5:42 pm-12:23 pm

2 stops15h 41m

Philadelphia

Fri 8/28

8:37 pm-4:57 pm

1 stop23h 20m

$329

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Fri 5/22

9:22 pm-5:35 am

Nonstop5h 13m

Philadelphia

Sun 5/24

7:16 pm-10:28 pm

Nonstop6h 12m

$330

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Thu 5/28

3:19 pm-5:37 am

1 stop11h 18m

Philadelphia

Wed 6/17

7:00 am-10:35 am

2 stops30h 35m

$331

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Fri 5/29

9:22 pm-5:35 am

Nonstop5h 13m

Philadelphia

Sun 5/31

10:40 am-10:36 am

1 stop26h 56m

$332

Quickest round-trip

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Thu 5/28

9:22 pm-5:35 am

Nonstop5h 13m

Philadelphia

Sun 5/31

7:00 am-9:59 am

Nonstop5h 59m

$333

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Fri 5/29

8:20 pm-6:21 am

1 stop31h 01m

Philadelphia

Tue 6/2

4:45 pm-10:34 pm

1 stop8h 49m

$335

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 July. Flight prices, which tend to average around $128, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Philadelphia, with average flight prices from State of Washington averaging around $138.

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 Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $438. 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 $548.

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 in the evening. momondo users have found flights departing from State of Washington to Philadelphia in the evening for as low as $453. 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 from Washington 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 $421 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 $371 on momondo.

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	$191
Fastest flight time	5h 05m
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 $191. The best round-trip flight deal from State of Washington to Philadelphia found on momondo in the last 72 hours is $405.

The fastest flight from State of Washington to Philadelphia takes 5h 05m

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

There is 1 airport in Philadelphia. From State of Washington there are direct flights to Philadelphia (PHL).

Search flight deals

Frequently asked questions about flying 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 May 2026, there are 7 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 Airbus A321-100/200, making up 40.80% of the total bookings. Other popular models include Airbus A321neo with 37.05%, Boeing 737 MAX 9 with 5.88%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 3.63%.

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
Frontier	PriceFrom $139	Free Cancellation	Rating 5.6 2,965 reviews	Search Frontier flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
United Airlines	PriceFrom $206	Free Cancellation	Rating 7.4 9,683 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $223	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $257	Free Cancellation	Rating 7.9 12,330 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $257	Free Cancellation	Rating 7.1 11,670 reviews	Search American Airlines flights
Southwest	PriceFrom $295	Free Cancellation	Rating 7.9 4,304 reviews	Search Southwest flights

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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.