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$67+ Cheap flights from Washington to Philadelphia (PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHL
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Washington to Philadelphia

Keep the following information in mind while searching for Washington to Philadelphia flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(Frontier)

One-way from

$67
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$555

Good round-trip deal

$400 or less

Good one-way deal

$198 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Philadelphia flights.
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From Washington to Philadelphia
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One-way flight from Washington to Philadelphia
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Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Washington to Philadelphia.
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Price to beat on a one-way flight from Washington to Philadelphia.
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Find flight deals from Washington to Philadelphia

Cheapest flights from Washington to Philadelphia
Explore the most affordable flight options available from Washington to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Frontier deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/43:48 pmSEA - PHL
1 stop11h 26mFrontier
Mon 3/106:40 amPHL - SEA
1 stop8h 22mFrontier
Deal found 2/21$299
This Mytrip deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1312:41 pmSEA - PHL
2 stops13h 30mSpirit Airlines
Sat 3/297:40 pmPHL - SEA
1 stop16h 03mSpirit Airlines
Deal found 2/22$301
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/119:54 pmSEA - PHL
Nonstop5h 06mMultiple Airlines
Mon 4/1410:08 pmPHL - SEA
1 stop16h 27mMultiple Airlines
Deal found 2/20$304
This Sun Country Air deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:45 pmPDX - PHL
1 stop13h 25mSun Country Air
Fri 8/812:05 pmPHL - PDX
1 stop8h 41mSun Country Air
Deal found 2/22$315
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2111:14 pmSEA - PHL
Nonstop5h 01mAmerican Airlines
Tue 3/256:48 pmPHL - SEA
Nonstop6h 17mAmerican Airlines
Deal found 2/21$317
This Frontier deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:20 amPDX - PHL
1 stop12h 21mFrontier
Sat 6/712:37 pmPHL - PDX
1 stop15h 03mFrontier
Deal found 2/21$317
This Booking.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/142:35 pmPDX - PHL
2 stops17h 59mSpirit Airlines
Sat 5/3112:29 pmPHL - PDX
2 stops22h 43mSpirit Airlines
Deal found 2/21$319
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:00 amPDX - PHL
1 stop13h 20mDelta
Mon 4/287:00 amPHL - PDX
1 stop17h 48mDelta
Deal found 2/21$323
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/212:50 pmGEG - PHL
1 stop8h 55mDelta
Wed 4/96:00 amPHL - GEG
1 stop9h 54mDelta
Deal found 2/21$323
This Mytrip deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/202:35 pmPDX - PHL
1 stop28h 17mMultiple Airlines
Sat 5/317:22 amPHL - PDX
2 stops37h 09mMultiple Airlines
Deal found 2/21$324
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/135:34 amGEG - PHL
1 stop8h 02mAmerican Airlines
Mon 3/173:56 pmPHL - GEG
1 stop8h 17mAmerican Airlines
Deal found 2/21$343
This Cheapflightsfares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/216:40 pmSEA - PHL
1 stop13h 30mSun Country Air
Wed 6/2512:05 pmPHL - SEA
1 stop13h 39mSun Country Air
Deal found 2/22$363

Find flights from Washington to Philadelphia within your budget

Customize your flight search to find flights from Washington to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Washington

Fly to

Philadelphia

Route

Depart

Return

Price

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Tue 3/4

3:48 pm-6:14 am

1 stop11h 26m

Philadelphia

Mon 3/10

6:40 am-12:02 pm

1 stop8h 22m

$299

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Thu 3/13

12:41 pm-5:11 am

2 stops13h 30m

Philadelphia

Sat 3/29

7:40 pm-8:43 am

1 stop16h 03m

$301

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Fri 4/11

9:54 pm-6:00 am

Nonstop5h 06m

Philadelphia

Mon 4/14

10:08 pm-11:35 am

1 stop16h 27m

$304

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Wed 8/6

6:45 pm-11:10 am

1 stop13h 25m

Philadelphia

Fri 8/8

12:05 pm-5:46 pm

1 stop8h 41m

$315

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

Fri 3/21

11:14 pm-7:15 am

Nonstop5h 01m

Philadelphia

Tue 3/25

6:48 pm-10:05 pm

Nonstop6h 17m

$317

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Tue 5/27

6:20 am-9:41 pm

1 stop12h 21m

Philadelphia

Mon 6/2

12:37 pm-12:40 am

1 stop15h 03m

$317

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Wed 5/14

2:35 pm-11:34 am

2 stops17h 59m

Philadelphia

Sat 5/31

12:29 pm-8:12 am

2 stops22h 43m

$319

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Tue 4/15

6:00 am-10:20 pm

1 stop13h 20m

Philadelphia

Mon 4/28

7:00 am-9:48 pm

1 stop17h 48m

$323

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Wed 4/2

12:50 pm-12:45 am

1 stop8h 55m

Philadelphia

Wed 4/9

6:00 am-12:54 pm

1 stop9h 54m

$323

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Tue 5/20

2:35 pm-9:52 pm

1 stop28h 17m

Philadelphia

Sat 5/31

7:22 am-5:31 pm

2 stops37h 09m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 55 results
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6

Best time to book a flight from Washington to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington to Philadelphia

Get recent, data-driven insights about flights from Washington to Philadelphia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from State of Washington to Philadelphia (average of $236). Flying from State of Washington to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to PHL?

Find hourly flight availability from Washington to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Philadelphia as you normally would.

Weekly flight availability from State of Washington to Philadelphia

Explore weekly flight availability from Washington to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 22, 2025.

The most flights from USWA to PHL are scheduled on a Wednesday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated February 22, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Washington to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Entertainment

7.6

Overall

8.1

Boarding

8.2

Comfort

8.1

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Washington to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Philadelphia from Washington?

    If you book a flight to Philadelphia from Washington, you will be flying to Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia.

  • How popular is this State of Washington to Philadelphia flight route?

    Flights from Washington to Philadelphia have been viewed 13 times in the past calendar month.

  • What are the cheapest airlines to fly from State of Washington to Philadelphia one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $67. However, be on the lookout for offers from Frontier and Sun Country Air, as they are both options that can get you from State of Washington to Philadelphia for a low price.

  • What are the most popular routes from State of Washington to Philadelphia?

    While some choose either Portland - Philadelphia or Spokane - Philadelphia, Seattle/Tacoma Intl - Philadelphia is the most popular route from State of Washington to Philadelphia.

  • What are the most reliable airlines from State of Washington to Philadelphia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from State of Washington to Philadelphia on time: Qatar Airways (100%), British Airways (100%), Air Tahiti Nui (93%).

  • What are the cheapest flights from State of Washington to Philadelphia?

    Looking for the cheapest flight from State of Washington to Philadelphia? While on average our users pay $396, our data indicates the cheapest price to be $148. The most popular route (Seattle/Tacoma Intl - Philadelphia), is priced around $151.

  • Can I find deals for flights from Washington to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Washington to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Philadelphia.

  • Can I find deals for business class flights from Washington to Philadelphia?

    Yes. Cheapflights offers flight deals from Washington to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to Philadelphia (average of $236). Flying from State of Washington to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington?

Book flights to Washington if you plan to visit one of these locations
King of Prussia
Vineland
Pottstown
Reading
Wildwood
Exton
Ocean City
Cherry Hill
Essington
Chester
Willow Grove
Newark
Middletown
Millville
Wyomissing
Ephrata
Dewey Beach
West Chester
Malvern
Dover

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Alternative routes for Washington to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Washington to Philadelphia

Discover the top 8 airlines that operate flights from Washington to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$204FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$251FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$220Average$334FlexibilityNo cancel feeOn-time83%
DeltaCheapest$244Average$461FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$273Average$513FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$284Average$654FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$304Average$479FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$336Average$524FlexibilityNo cancel feeOn-time63%
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