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$74+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHL
mar. 8 — mar. 151
sáb. 3/8
sáb. 3/15
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 marzo 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$299
(Expedia)

One-way from

$74
(Cheapflightsfares)

Popular in

December

Cheapest in

March

Average price

$387

Good round-trip deal

$386 or less

Good one-way deal

$184 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 ($17 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 March 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 marzo 3, 2025.

This Expedia deal was found by Cheapflights users on 3/2. 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.
sáb. 4/124:22 pmSEA - PHL
1 stop10h 09mMultiple Airlines
mié. 4/167:20 amPHL - SEA
Nonstop6h 00mMultiple Airlines
Deal found 3/2$299
This Mytrip deal was found by Cheapflights users on 3/2. 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.
dom. 3/239:48 amSEA - PHL
2 stops35h 11mSpirit Airlines
mar. 3/2510:57 amPHL - SEA
2 stops24h 46mSpirit Airlines
Deal found 3/2$301
This American Airlines deal was found by Cheapflights users on 3/2. 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.
vie. 3/2111:14 pmSEA - PHL
Nonstop5h 01mAmerican Airlines
mar. 3/256:48 pmPHL - SEA
Nonstop6h 17mAmerican Airlines
Deal found 3/2$302
This Frontier deal was found by Cheapflights users on 3/2. 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.
lun. 3/172:02 pmSEA - PHL
1 stop12h 13mFrontier
vie. 3/215:40 amPHL - SEA
1 stop9h 22mFrontier
Deal found 3/2$305
This Mytrip deal was found by Cheapflights users on 3/2. 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.
lun. 4/76:50 pmPDX - PHL
3 stops20h 27mSpirit Airlines
dom. 4/137:00 amPHL - PDX
2 stops29h 12mSpirit Airlines
Deal found 3/2$318
This Mytrip deal was found by Cheapflights users on 3/2. 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.
lun. 3/179:25 pmPSC - PHL
1 stop29h 19mMultiple Airlines
vie. 3/216:00 amPHL - PSC
2 stops17h 36mMultiple Airlines
Deal found 3/2$320
This CheapOair deal was found by Cheapflights users on 3/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/226:32 amPDX - PHL
1 stop19h 38mFrontier
vie. 3/285:40 amPHL - PDX
1 stop21h 57mFrontier
Deal found 3/3$320
This Delta deal was found by Cheapflights users on 3/2. 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.
jue. 3/2012:49 amSEA - PHL
1 stop6h 52mDelta
mar. 3/253:58 pmPHL - SEA
1 stop9h 24mDelta
Deal found 3/2$322
This Delta deal was found by Cheapflights users on 3/2. 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.
mié. 3/1912:50 pmGEG - PHL
1 stop8h 55mDelta
mié. 3/266:00 amPHL - GEG
1 stop9h 58mDelta
Deal found 3/2$323
This FlightHub deal was found by Cheapflights users on 3/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/1411:59 pmPDX - PHL
1 stop8h 11mSun Country Air
lun. 8/1812:05 pmPHL - PDX
1 stop8h 41mSun Country Air
Deal found 3/3$325
This Delta deal was found by Cheapflights users on 3/2. 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.
lun. 5/510:59 pmPDX - PHL
1 stop6h 52mDelta
mié. 5/76:30 amPHL - PDX
1 stop9h 30mDelta
Deal found 3/2$331
This CheapOair deal was found by Cheapflights users on 3/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/256:13 pmPDX - PHL
1 stop8h 52mMultiple Airlines
vie. 3/285:40 amPHL - PDX
1 stop21h 57mMultiple Airlines
Deal found 3/2$333

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 marzo 3, 2025.

Fly from

Washington

Fly to

Philadelphia

Route

Depart

Return

Price

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

sáb. 4/12

4:22 pm-5:31 am

1 stop10h 09m

Philadelphia

mié. 4/16

7:20 am-10:20 am

Nonstop6h 00m

$299

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

dom. 3/23

9:48 am-11:59 pm

2 stops35h 11m

Philadelphia

mar. 3/25

10:57 am-8:43 am

2 stops24h 46m

$301

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

vie. 3/21

11:14 pm-7:15 am

Nonstop5h 01m

Philadelphia

mar. 3/25

6:48 pm-10:05 pm

Nonstop6h 17m

$302

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

lun. 3/17

2:02 pm-5:15 am

1 stop12h 13m

Philadelphia

vie. 3/21

5:40 am-12:02 pm

1 stop9h 22m

$305

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

lun. 4/7

6:50 pm-6:17 pm

3 stops20h 27m

Philadelphia

dom. 4/13

7:00 am-9:12 am

2 stops29h 12m

$318

PascoPhiladelphia

PSC - PHL

PSCPHL

Pasco Tri Cities

lun. 3/17

9:25 pm-5:44 am

1 stop29h 19m

Philadelphia

vie. 3/21

6:00 am-8:36 pm

2 stops17h 36m

$320

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

sáb. 3/22

6:32 am-5:10 am

1 stop19h 38m

Philadelphia

vie. 3/28

5:40 am-12:37 am

1 stop21h 57m

$320

SeattlePhiladelphia

SEA - PHL

SEAPHL

Seattle/Tacoma Intl

jue. 3/20

12:49 am-10:41 am

1 stop6h 52m

Philadelphia

mar. 3/25

3:58 pm-10:22 pm

1 stop9h 24m

$322

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

mié. 3/19

12:50 pm-12:45 am

1 stop8h 55m

Philadelphia

mié. 3/26

6:00 am-12:58 pm

1 stop9h 58m

$323

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

jue. 8/14

11:59 pm-11:10 am

1 stop8h 11m

Philadelphia

lun. 8/18

12:05 pm-5:46 pm

1 stop8h 41m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 56 results
1
2
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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 marzo 3, 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.

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 marzo 3, 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
4,333 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,333 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,319 reviews
Southwest
8.1
Very good
4,333 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Comfort

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 $74. However, be on the lookout for offers from Frontier and Delta, 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: Air Tahiti Nui (95%), American Airlines (88%), Alaska Airlines (77%).

  • 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 $715, our data indicates the cheapest price to be $148. The most popular route (Seattle/Tacoma Intl - Philadelphia), is priced around $170.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 marzo 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$204FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$252FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$220Average$334FlexibilityNo cancel feeOn-time83%
DeltaCheapest$240Average$460FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$502FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$285Average$655FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$304Average$480FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$336Average$524FlexibilityNo cancel feeOn-time63%
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