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District of Columbia

$80+ Cheap flights from Philadelphia (PHL) to District of Columbia

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Philadelphia to District of Columbia

Keep the following information in mind while searching for Philadelphia to District of Columbia flight deals. Data was last updated September 11, 2025.

Round-trip from

$152
(Frontier)

One-way from

$80
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$234

Good round-trip deal

$365 or less

Good one-way deal

$154 or less
From Philadelphia to District of Columbia
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One-way flight from Philadelphia to District of Columbia
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Philadelphia to District of Columbia.
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Price to beat on a one-way flight from Philadelphia to District of Columbia.
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Find flight deals from Philadelphia to District of Columbia

Cheapest flights from Philadelphia to District of Columbia
Explore the most affordable flight options available from Philadelphia to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/11. 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.
Tue 10/1410:22 amPHL - IAD
1 stop9h 24mFrontier
Sat 10/187:15 amIAD - PHL
1 stop11h 29mFrontier
Deal found 9/11$152
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:02 pmPHL - IAD
1 stop6h 44mFrontier
Wed 10/159:00 amIAD - PHL
1 stop7h 35mFrontier
Deal found 9/9$153
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:03 pmPHL - IAD
1 stop14h 52mMultiple Airlines
Sun 10/510:09 pmIAD - PHL
1 stop24h 24mMultiple Airlines
Deal found 9/10$164
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:15 amPHL - IAD
1 stop13h 04mFrontier
Sat 10/47:00 amIAD - PHL
1 stop10h 27mFrontier
Deal found 9/10$171
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/146:45 pmPHL - DCA
Nonstop1h 14mAmerican Airlines
Sat 10/186:10 amDCA - PHL
Nonstop1h 11mAmerican Airlines
Deal found 9/11$179
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:58 pmPHL - IAD
Nonstop1h 07mUnited Airlines
Sun 10/58:30 amIAD - PHL
Nonstop1h 16mUnited Airlines
Deal found 9/11$179
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:36 amPHL - DCA
Nonstop1h 15mAmerican Airlines
Sun 10/56:00 amDCA - PHL
Nonstop1h 07mAmerican Airlines
Deal found 9/10$180
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:20 amPHL - IAD
1 stop10h 18mFrontier
Thu 10/161:07 pmIAD - PHL
1 stop9h 24mFrontier
Deal found 9/10$181
This Frontier deal was found by Cheapflights users on 9/11. 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.
Thu 10/25:15 amPHL - IAD
1 stop7h 40mFrontier
Sun 10/57:14 pmIAD - PHL
1 stop12h 21mFrontier
Deal found 9/11$186
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:44 pmPHL - DCA
Nonstop1h 10mAmerican Airlines
Mon 9/291:30 pmDCA - PHL
Nonstop1h 02mAmerican Airlines
Deal found 9/10$189
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/81:02 pmPHL - IAD
1 stop6h 44mMultiple Airlines
Wed 10/159:00 amIAD - PHL
2 stops24h 32mMultiple Airlines
Deal found 9/9$193
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:33 amPHL - IAD
1 stop9h 13mFrontier
Tue 10/288:47 amIAD - PHL
1 stop6h 18mFrontier
Deal found 9/9$199

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to District of Columbia 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 September 11, 2025.
Use the filters below to find and compare flights from Philadelphia to District of Columbia that are best for you.

Fly from

Philadelphia

Fly to

District of Columbia

Route

Depart

Return

Price

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 10/2

10:03 pm-12:55 pm

1 stop14h 52m

Washington, D.C. Dulles Intl

Sun 10/5

10:09 pm-10:33 pm

1 stop24h 24m

$164

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Tue 10/14

10:22 am-7:46 pm

1 stop9h 24m

Washington, D.C. Dulles Intl

Sat 10/18

4:22 pm-11:57 pm

1 stop7h 35m

$171

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Tue 10/14

6:45 pm-7:59 pm

Nonstop1h 14m

Washington, D.C. Reagan-National

Sat 10/18

12:54 pm-1:59 pm

Nonstop1h 05m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 11/5

8:00 pm-9:07 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Fri 1/23

12:55 pm-2:10 pm

Nonstop1h 15m

$179

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 10/8

4:35 pm-5:39 pm

Nonstop1h 04m

Washington, D.C. Reagan-National

Wed 10/15

12:54 pm-1:59 pm

Nonstop1h 05m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Fri 10/3

7:58 pm-9:05 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Sat 10/4

12:50 pm-2:04 pm

Nonstop1h 14m

$179

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Fri 10/3

9:36 am-10:51 am

Nonstop1h 15m

Washington, D.C. Reagan-National

Sat 10/4

1:30 pm-2:32 pm

Nonstop1h 02m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Tue 10/21

7:58 pm-9:05 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Tue 10/28

8:30 am-9:46 am

Nonstop1h 16m

$179

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Thu 10/16

8:20 am-9:29 am

Nonstop1h 09m

Washington, D.C. Reagan-National

Sat 10/18

12:54 pm-1:59 pm

Nonstop1h 05m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Tue 10/14

10:32 am-11:45 am

Nonstop1h 13m

Washington, D.C. Dulles Intl

Sat 10/18

8:30 am-9:46 am

Nonstop1h 16m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 36 results
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Best time to book a flight from Philadelphia to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

What is the cheapest month to book a flight from Philadelphia to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Philadelphia to District of Columbia (average of $292). Flying from Philadelphia to District of Columbia in April is currently the most expensive (average of $337). 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 DC?

Find hourly flight availability from Philadelphia to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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

Weekly flight availability from Philadelphia to District of Columbia

Explore weekly flight availability from Philadelphia to District of Columbia. 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 September 11, 2025.

The most flights from PHL to USDC are scheduled on a Wednesday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Philadelphia to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to District of Columbia. 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 District of Columbia?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to District of Columbia.

  • How long is the flight from Philadelphia to District of Columbia?

    For as low as $179, Frontier can have you in District of Columbia from Philadelphia in 1h 07m. There are 134 mi between Philadelphia and District of Columbia. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Philadelphia to District of Columbia one-way?

    One-way options have recently been found by users for as low as $86 on Southwest. Other airlines that offer cheap prices include Frontier from $95 and JetBlue from $116 one-way.

  • What are the most reliable airlines from Philadelphia to District of Columbia?

    The top 3 most reliable airlines when flying from Philadelphia to District of Columbia are Mesa Airlines (100%), Air Canada (93%) and ANA (89%).

  • What are the cheapest flights from Philadelphia to District of Columbia?

    On average you can expect to pay $968 for a flight from Philadelphia to District of Columbia. The cheapest flight overall is $154 while the most popular route, (Philadelphia - Washington, D.C. Reagan-National) is currently priced at $231.

  • Can I find deals for flights from Philadelphia to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from Philadelphia to District of Columbia?

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

  • Can I find deals for business class flights from Philadelphia to District of Columbia?

    Yes. Cheapflights offers flight deals from Philadelphia to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to District of Columbia (average of $292). Flying from Philadelphia to District of Columbia in April is currently the most expensive (average of $337). 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 District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Philadelphia to District of Columbia

Discover the top 2 airlines that operate flights from Philadelphia to District of Columbia. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$159Average$221FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$344FlexibilityNo cancel feeOn-time69%

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