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$129+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$295
(Cheapflightsfares)

One-way from

$129
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$517

Good round-trip deal

$391 or less

Good one-way deal

$213 or less
From Philadelphia to Washington
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One-way flight from Philadelphia to Washington
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Highest demand for flights based on searches. 10% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Philadelphia to Washington.
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Price to beat on a one-way flight from Philadelphia to Washington.
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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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Thu 8/145:45 amPHL - PDX
2 stops10h 45mSpirit Airlines
Sat 8/232:35 pmPDX - PHL
1 stop11h 57mSpirit Airlines
Deal found 6/10$295
This FlightHub deal was found by Cheapflights users on 6/9. 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.
Fri 8/157:19 amPHL - PDX
1 stop8h 32mMultiple Airlines
Fri 8/222:35 pmPDX - PHL
1 stop11h 57mMultiple Airlines
Deal found 6/9$296
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:55 amPHL - PDX
1 stop7h 15mSouthwest
Thu 10/235:00 amPDX - PHL
1 stop10h 55mSouthwest
Deal found 6/10$302
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Sat 9/207:22 amPHL - SEA
2 stops11h 31mSpirit Airlines
Sun 9/284:58 pmSEA - PHL
1 stop9h 34mSpirit Airlines
Deal found 6/12$305
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 8/123:39 pmPHL - GEG
1 stop10h 16mAmerican Airlines
Sat 8/3012:14 pmGEG - PHL
1 stop9h 10mAmerican Airlines
Deal found 6/12$306
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/226:39 pmPHL - SEA
1 stop8h 01mAmerican Airlines
Mon 8/2512:45 amSEA - PHL
1 stop11h 05mAmerican Airlines
Deal found 6/11$306
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:52 pmPHL - SEA
1 stop8h 07mUnited Airlines
Thu 7/317:00 pmSEA - PHL
1 stop7h 37mUnited Airlines
Deal found 6/10$308
This Frontier deal was found by Cheapflights users on 6/12. 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.
Fri 8/81:02 pmPHL - SEA
1 stop14h 32mFrontier
Fri 8/153:11 pmSEA - PHL
1 stop11h 38mFrontier
Deal found 6/12$309
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Sat 8/236:30 amPHL - SEA
1 stop12h 23mMultiple Airlines
Fri 8/293:25 pmSEA - PHL
1 stop11h 20mMultiple Airlines
Deal found 6/11$310
This Delta deal was found by Cheapflights users on 6/10. 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 8/126:59 pmPHL - GEG
1 stop7h 32mDelta
Sat 8/309:40 amGEG - PHL
2 stops12h 16mDelta
Deal found 6/10$311
This Frontier deal was found by Cheapflights users on 6/11. 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.
Mon 7/147:19 amPHL - PDX
1 stop8h 32mFrontier
Tue 7/227:01 pmPDX - PHL
1 stop7h 08mFrontier
Deal found 6/11$311
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 7/255:21 pmPHL - SEA
1 stop9h 34mDelta
Wed 7/305:30 amSEA - PHL
1 stop9h 15mDelta
Deal found 6/9$313

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 June 12, 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

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

Thu 8/14

5:45 am-1:30 pm

2 stops10h 45m

Portland

Sat 8/23

2:35 pm-5:32 am

1 stop11h 57m

$295

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

Fri 8/15

7:19 am-12:51 pm

1 stop8h 32m

Portland

Fri 8/22

2:35 pm-5:32 am

1 stop11h 57m

$296

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

Tue 8/12

3:39 pm-10:55 pm

1 stop10h 16m

Spokane

Sat 8/30

12:14 pm-12:24 am

1 stop9h 10m

$306

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Wed 8/13

1:43 pm-6:41 pm

1 stop7h 58m

Seattle/Tacoma Intl

Mon 8/25

12:45 am-2:50 pm

1 stop11h 05m

$306

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Sat 7/19

6:52 pm-11:59 pm

1 stop8h 07m

Seattle/Tacoma Intl

Thu 7/31

7:00 pm-5:37 am

1 stop7h 37m

$308

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Fri 8/8

1:02 pm-12:34 am

1 stop14h 32m

Seattle/Tacoma Intl

Fri 8/15

3:11 pm-5:49 am

1 stop11h 38m

$309

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Sat 8/23

6:30 am-3:53 pm

1 stop12h 23m

Seattle/Tacoma Intl

Fri 8/29

3:25 pm-5:45 am

1 stop11h 20m

$310

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

Tue 8/12

6:59 pm-11:31 pm

1 stop7h 32m

Spokane

Sat 8/30

9:40 am-12:56 am

2 stops12h 16m

$311

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

Mon 7/14

7:19 am-12:51 pm

1 stop8h 32m

Portland

Tue 7/22

7:01 pm-5:09 am

1 stop7h 08m

$311

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Tue 7/1

7:05 am-3:03 pm

2 stops10h 58m

Seattle/Tacoma Intl

Tue 7/8

3:58 pm-5:44 am

1 stop10h 46m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
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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 July is currently the most expensive (average of $391). 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 June 12, 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 June 12, 2025.

The most flights from PHL to USWA are scheduled on a Thursday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Philadelphia to Washington by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    This flight path from Philadelphia to Washington was viewed by 35 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $129 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $144 and Southwest from $149 one-way.

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

    Most travelers choose Philadelphia - Seattle/Tacoma Intl, Philadelphia - Portland or Philadelphia - Spokane when deciding on the best route from Philadelphia to State of Washington.

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

    Consider Qatar Airways (86%), Air Tahiti Nui (73%) or American Airlines (73%) 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 $986, our data indicates the cheapest price to be $168. The most popular route (Philadelphia - Seattle/Tacoma Intl), is priced around $251.

  • 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 July is currently the most expensive (average of $391). 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

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Alternative routes for Philadelphia to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Philadelphia to Washington

Discover the top 10 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$241FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$140Average$245FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$198Average$362FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$229Average$261FlexibilityNo cancel feeOn-time62%
DeltaCheapest$285Average$451FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$496FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$292Average$531FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$297Average$499FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$303Average$470FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$327Average$463FlexibilityNo cancel feeOn-time63%

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