Washington

$84+ Cheap flights from Philadelphia (PHL) to Washington

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEA
ago. 25 — sep. 11
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Washington

Keep the following information in mind while searching for Philadelphia to Washington flight deals. Data was last updated agosto 20, 2025.

Round-trip from

$165
(Priceline)

One-way from

$84
(Priceline)

Popular in

June

Cheapest in

March

Average price

$467

Good round-trip deal

$328 or less

Good one-way deal

$175 or less
From Philadelphia to Washington
One-way flight from Philadelphia to Washington
Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Philadelphia to Washington.
Price to beat on a one-way flight from Philadelphia to Washington.

Find flight deals from Philadelphia to Washington

Cheapest flights from Philadelphia to Washington
Explore the most affordable flight options available from Philadelphia to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This Priceline deal was found by Cheapflights users on 8/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/126:45 amPHL - GEG
1 stop7h 13mFrontier
vie. 9/1911:53 amGEG - PHL
1 stop10h 04mFrontier
Deal found 8/19$165
This Orbitz deal was found by Cheapflights users on 8/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/306:19 amPHL - PDX
1 stop8h 37mFrontier
sáb. 11/112:52 pmPDX - PHL
2 stops17h 21mFrontier
Deal found 8/18$213
This CheapOair deal was found by Cheapflights users on 8/17. 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.
lun. 9/86:45 amPHL - PDX
1 stop20h 27mFrontier
jue. 9/117:22 pmPDX - PHL
2 stops26h 35mFrontier
Deal found 8/17$219
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1212:01 pmPHL - PDX
2 stops15h 11mFrontier
mié. 9/177:15 amPDX - PHL
1 stop13h 28mFrontier
Deal found 8/18$226
This Frontier deal was found by Cheapflights users on 8/19. 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.
mié. 11/59:30 pmPHL - PDX
2 stops17h 26mFrontier
lun. 11/107:29 pmPDX - PHL
2 stops13h 39mFrontier
Deal found 8/19$235
This FlightHub deal was found by Cheapflights users on 8/19. 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.
vie. 9/196:45 amPHL - PDX
1 stop20h 27mFrontier
mié. 9/247:15 amPDX - PHL
1 stop13h 28mFrontier
Deal found 8/19$236
This Expedia deal was found by Cheapflights users on 8/18. 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.
lun. 10/206:42 amPHL - PDX
1 stop8h 06mFrontier
jue. 10/2312:43 pmPDX - PHL
1 stop13h 36mFrontier
Deal found 8/18$238
This Frontier deal was found by Cheapflights users on 8/19. 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.
vie. 10/176:42 amPHL - PDX
2 stops17h 05mFrontier
mar. 10/2112:43 pmPDX - PHL
2 stops18h 51mFrontier
Deal found 8/19$240
This Frontier deal was found by Cheapflights users on 8/19. 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. 10/276:42 amPHL - PDX
1 stop8h 06mFrontier
vie. 10/3112:51 pmPDX - PHL
2 stops12h 58mFrontier
Deal found 8/19$244
This CheapOair deal was found by Cheapflights users on 8/18. 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.
vie. 9/266:45 amPHL - PDX
1 stop20h 27mFrontier
lun. 9/2911:23 amPDX - PHL
2 stops23h 27mFrontier
Deal found 8/18$245
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/87:11 pmPHL - SEA
Nonstop6h 21mAlaska Airlines
sáb. 10/119:23 pmSEA - PHL
Nonstop5h 17mAlaska Airlines
Deal found 8/19$277
This Mytrip deal was found by Cheapflights users on 8/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/236:25 amPHL - SEA
1 stop30h 09mFrontier
dom. 8/314:40 pmSEA - PHL
1 stop9h 14mFrontier
Deal found 8/20$278

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Washington 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 agosto 20, 2025.
Use the filters below to find and compare flights from Philadelphia to Washington that are best for you.

Fly from

Philadelphia

Fly to

Washington

Route

Depart

Return

Price

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

vie. 9/12

6:45 am-10:58 am

1 stop7h 13m

Spokane

vie. 9/19

11:53 am-12:57 am

1 stop10h 04m

$165

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

jue. 10/30

6:19 am-11:56 am

1 stop8h 37m

Portland

sáb. 11/1

12:52 pm-9:13 am

2 stops17h 21m

$213

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

lun. 9/8

6:45 am-12:12 am

1 stop20h 27m

Portland

jue. 9/11

7:22 pm-12:57 am

2 stops26h 35m

$219

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

vie. 9/12

12:01 pm-12:12 am

2 stops15h 11m

Portland

mié. 9/17

7:15 am-11:43 pm

1 stop13h 28m

$226

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

mié. 11/5

9:30 pm-11:56 am

2 stops17h 26m

Portland

lun. 11/10

7:29 pm-3:50 pm

2 stops17h 21m

$235

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

sáb. 9/20

6:45 am-10:34 pm

1 stop18h 49m

Portland

jue. 9/25

6:05 am-12:57 am

1 stop15h 52m

$236

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

vie. 9/19

6:45 am-12:12 am

1 stop20h 27m

Portland

mié. 9/24

7:15 am-11:43 pm

1 stop13h 28m

$236

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

lun. 10/20

6:42 am-11:48 am

1 stop8h 06m

Portland

jue. 10/23

12:43 pm-5:19 am

1 stop13h 36m

$238

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

vie. 11/14

6:19 am-7:59 pm

2 stops16h 40m

Portland

dom. 11/16

7:57 pm-4:26 pm

2 stops17h 29m

$238

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

vie. 10/17

6:42 am-8:47 pm

2 stops17h 05m

Portland

mar. 10/21

12:43 pm-10:34 am

2 stops18h 51m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Philadelphia to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Philadelphia 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.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Washington

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to State of Washington (average of $238). Flying from Philadelphia to State of Washington in June is currently the most expensive (average of $388). 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 PHL to WA?

Find hourly flight availability from Philadelphia to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 20, 2025.

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

Weekly flight availability from Philadelphia to State of Washington

Explore weekly flight availability from Philadelphia to Washington. 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 agosto 20, 2025.

The most flights from PHL to USWA are scheduled on a Wednesday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated agosto 20, 2025.
Read through reviews of airlines operating flights from Philadelphia to Washington, such as Alaska Airlines, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
8.0
Very good

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Washington. 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 from for flights from Philadelphia to Washington?

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

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

  • How long is the flight from Philadelphia to State of Washington?

    Airlines like Frontier, Hawaiian Airlines, and Alaska Airlines fly from Philadelphia to State of Washington in about 5h 49m. The time it takes to get you to your destination can typically vary by up to 1h 24m. The distance from Philadelphia to State of Washington is about 2370 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $84 on Frontier. Other airlines that offer cheap prices include Delta from $139 and Southwest from $144 one-way.

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

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

    Consider Finnair (75%), American Airlines (62%) or Air Tahiti Nui (56%) when booking your flight. These represent the most reliable airlines when flying from Philadelphia to State of Washington.

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

    Looking for the cheapest flight from Philadelphia to State of Washington? While on average our users pay $813, our data indicates the cheapest price to be $138. The most popular route (Philadelphia - Seattle/Tacoma Intl), is priced around $222.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Washington 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 Philadelphia to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to State of Washington (average of $238). Flying from Philadelphia to State of Washington in June is currently the most expensive (average of $388). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Washington

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

Top 9 airlines flying from Philadelphia to Washington

Discover the top 9 airlines that operate flights from Philadelphia to Washington. 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$127Average$246FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$285FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$238Average$360FlexibilityNo cancel feeOn-time83%
DeltaCheapest$258Average$448FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$277Average$480FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$286Average$492FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$293Average$543FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$296Average$459FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$297Average$459FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.