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$112+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$275
(Orbitz)

One-way from

$112
(Priceline)

Popular in

June

Cheapest in

March

Average price

$487

Good round-trip deal

$371 or less

Good one-way deal

$199 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 ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Orbitz deal was found by Cheapflights users on 7/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:00 amPHL - PDX
1 stop12h 57mMultiple Airlines
Sat 8/236:27 amPDX - PHL
2 stops14h 53mMultiple Airlines
Deal found 7/2$275
This FlightHub deal was found by Cheapflights users on 7/3. 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.
Mon 8/46:22 pmPHL - PDX
1 stop17h 56mSpirit Airlines
Tue 8/123:10 pmPDX - PHL
1 stop29h 49mSpirit Airlines
Deal found 7/3$276
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Wed 7/96:15 amPHL - PDX
1 stop20h 09mFrontier
Sat 7/127:01 pmPDX - PHL
1 stop7h 08mFrontier
Deal found 7/2$278
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/3010:10 amPHL - PDX
1 stop8h 15mUnited Airlines
Sat 9/65:00 amPDX - PHL
2 stops13h 31mUnited Airlines
Deal found 7/1$282
This Hawaiian Airlines deal was found by Cheapflights users on 7/2. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:00 amPHL - PDX
1 stop8h 25mHawaiian Airlines
Sat 10/117:41 pmPDX - PHL
1 stop6h 59mHawaiian Airlines
Deal found 7/2$290
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Tue 8/191:34 pmPHL - GEG
2 stops48h 23mFrontier
Thu 8/2811:52 amGEG - PHL
1 stop14h 02mFrontier
Deal found 7/2$292
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:25 amPHL - PDX
1 stop7h 40mSouthwest
Sun 10/198:00 pmPDX - PHL
2 stops10h 25mSouthwest
Deal found 7/2$296
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:59 pmPHL - SEA
1 stop7h 48mDelta
Tue 8/195:30 amSEA - PHL
1 stop9h 16mDelta
Deal found 7/3$305
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 10/88:09 amPHL - SEA
Nonstop5h 54mAmerican Airlines
Tue 10/1410:39 amSEA - PHL
1 stop10h 37mAmerican Airlines
Deal found 7/2$306
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:40 pmPHL - SEA
2 stops10h 15mSouthwest
Sun 9/1411:10 pmSEA - PHL
1 stop11h 05mSouthwest
Deal found 7/3$307
This Frontier deal was found by Cheapflights users on 7/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:19 amPHL - SEA
1 stop9h 47mFrontier
Sun 8/33:11 pmSEA - PHL
1 stop11h 38mFrontier
Deal found 7/3$309
This Delta deal was found by Cheapflights users on 7/1. 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 8/55:20 pmPHL - PDX
1 stop9h 39mDelta
Sat 8/92:05 pmPDX - PHL
1 stop7h 54mDelta
Deal found 7/1$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 July 3, 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

9:00 am-6:57 pm

1 stop12h 57m

Portland

Sat 8/23

6:27 am-12:20 am

2 stops14h 53m

$275

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

Mon 8/4

6:22 pm-9:18 am

1 stop17h 56m

Portland

Tue 8/12

3:10 pm-11:59 pm

1 stop29h 49m

$276

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

Fri 8/15

1:02 pm-12:15 am

1 stop14h 13m

Portland

Mon 8/18

5:50 pm-12:04 pm

2 stops15h 14m

$278

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

Sat 8/30

10:10 am-3:25 pm

1 stop8h 15m

Portland

Sat 9/6

5:00 am-9:31 pm

2 stops13h 31m

$282

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

Tue 10/14

6:05 pm-10:50 pm

1 stop7h 45m

Portland

Thu 10/16

2:35 pm-12:10 am

1 stop6h 35m

$284

PhiladelphiaPortland

PHL - PDX

PHLPDX

Philadelphia

Wed 10/8

7:23 pm-12:14 am

1 stop7h 51m

Portland

Sat 10/11

7:41 pm-5:40 am

1 stop6h 59m

$290

PhiladelphiaSpokane

PHL - GEG

PHLGEG

Philadelphia

Tue 8/19

1:34 pm-10:57 am

2 stops48h 23m

Spokane

Thu 8/28

11:52 am-4:54 am

1 stop14h 02m

$292

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Mon 8/11

8:00 am-1:50 pm

1 stop8h 50m

Seattle/Tacoma Intl

Tue 8/19

5:30 am-5:46 pm

1 stop9h 16m

$305

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Fri 8/29

2:00 pm-7:55 pm

1 stop8h 55m

Seattle/Tacoma Intl

Tue 9/2

11:10 pm-9:55 am

1 stop7h 45m

$306

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Thu 7/31

7:19 am-2:06 pm

1 stop9h 47m

Seattle/Tacoma Intl

Sun 8/3

3:11 pm-5:49 am

1 stop11h 38m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 $390). 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 July 3, 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 July 3, 2025.

The most flights from PHL to USWA are scheduled on a Thursday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 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 July 3, 2025.
Read through reviews of airlines operating flights from Philadelphia to Washington, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

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 36 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 $112 on Frontier. Other airlines that offer cheap prices include United Airlines from $139 and Spirit Airlines from $140 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 Finnair (78%), American Airlines (71%) or Air Tahiti Nui (66%) 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 $1,368, our data indicates the cheapest price to be $148. The most popular route (Philadelphia - Seattle/Tacoma Intl), is priced around $250.

  • 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 $390). 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.

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Alternative routes for Philadelphia to Washington

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$238FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$136Average$258FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$198Average$368FlexibilityNo cancel feeOn-time83%
DeltaCheapest$280Average$450FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$495FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$288Average$495FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$295Average$547FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$297Average$474FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$321Average$460FlexibilityNo cancel feeOn-time63%

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