What airlines fly to District of Columbia?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to District of Columbia from Philadelphia according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 4 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Philadelphia to District of Columbia on average per day?

The number of flights available between Philadelphia and District of Columbia is 9 per day as of September 2026. The most frequent departure time is 7:00PM, with 39% of daily flights leaving in the evening.

What is the cheapest airline that flies from Philadelphia to District of Columbia?

Frontier, JetBlue, and United Airlines are the most popular carriers operating from Philadelphia to District of Columbia

How many flights depart from Philadelphia to District of Columbia on average per week?

63 flights are operational weekly from Philadelphia to District of Columbia as of September 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

When did momondo last update prices for flights from Philadelphia Airport to District of Columbia?

Prices for flights from Philadelphia Airport to District of Columbia are updated daily.

How many operators does momondo search for flights from Philadelphia Airport to District of Columbia?

The number of operators available for flights from Philadelphia Airport to District of Columbia is 2 as of September 2026.

How old do you have to be to fly from Philadelphia Airport to District of Columbia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The necessary travel and health documents for your District of Columbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$66 Cheap Flights from Philadelphia to District of Columbia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:32 pm - 12:10 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

6h 38m1 stop Atlanta Hartsfield-Jackson

9:04 pm - 7:16 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 12m1 stop Atlanta Hartsfield-Jackson

$127Frontier

Tue, Sep 29 - Tue, Oct 6

5:22 pm - 12:21 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

6h 59m1 stop Atlanta Hartsfield-Jackson

7:50 am - 6:15 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 25m1 stop Atlanta Hartsfield-Jackson

$127Frontier

Wed, Oct 21 - Sat, Oct 24

12:35 pm - 12:21 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

11h 46m1 stop Atlanta Hartsfield-Jackson

7:50 am - 6:15 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 25m1 stop Atlanta Hartsfield-Jackson

$129Frontier

Sat, Oct 17 - Sat, Oct 24

12:40 pm - 12:10 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

11h 30m1 stop Atlanta Hartsfield-Jackson

7:50 am - 6:14 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 24m1 stop Atlanta Hartsfield-Jackson

$129Frontier

Tue, Sep 29 - Tue, Oct 6

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

1:33 pm - 2:40 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 07mnonstop

$268American Airlines

Sun, Sep 27 - Sun, Oct 4

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

1:33 pm - 2:40 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 07mnonstop

$268American Airlines

Thu, Sep 24 - Sun, Sep 27

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

5:10 pm - 6:21 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 11mnonstop

$268American Airlines

Mon, Sep 28 - Mon, Oct 5

10:40 am - 11:49 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

1:05 pm - 2:20 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 15mnonstop

$269United Airlines

Fri, Oct 2 - Wed, Oct 7

6:15 am - 7:31 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 16mnonstop

5:25 pm - 6:42 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 17mnonstop

$269United Airlines

Thu, Oct 8 - Sat, Oct 10

8:47 pm - 9:59 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 12mnonstop

1:29 pm - 2:37 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 08mnonstop

$269American Airlines

Wed, Oct 7 - Sat, Oct 10

Cheap last minute flights

Enter your travel dates to find the best prices.

3:41 pm - 4:53 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 12mnonstop

1:33 pm - 2:40 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 07mnonstop

$298American Airlines

Wed, Sep 9 - Sun, Oct 4

4:00 pm - 8:09 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

28h 09m1 stop Fort Lauderdale

7:50 am - 6:14 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 24m1 stop Atlanta Hartsfield-Jackson

$298Frontier

Tue, Sep 8 - Fri, Sep 11

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

6:25 am - 11:19 amDCA Washington, D.C. Reagan-National-PHL Philadelphia

4h 54m1 stop Charlotte Douglas

$307American Airlines

Wed, Sep 9 - Sun, Oct 4

12:04 pm - 4:07 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

4h 03m1 stop Charlotte Douglas

5:00 am - 9:49 amDCA Washington, D.C. Reagan-National-PHL Philadelphia

4h 49m1 stop Charlotte Douglas

$317American Airlines

Wed, Sep 9 - Sun, Oct 4

6:55 pm - 10:51 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

3h 56m1 stop Charlotte Douglas

5:01 am - 9:49 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

4h 48m1 stop Charlotte Douglas

$317American Airlines

Wed, Sep 9 - Sun, Oct 4

8:41 am - 5:18 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 37m1 stop Atlanta Hartsfield-Jackson

7:50 am - 6:14 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 24m1 stop Atlanta Hartsfield-Jackson

$334Frontier

Wed, Sep 9 - Thu, Sep 10

8:41 am - 5:18 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 37m1 stop Atlanta Hartsfield-Jackson

9:04 pm - 7:16 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 12m1 stop Atlanta Hartsfield-Jackson

$334Frontier

Wed, Sep 9 - Wed, Sep 9

8:41 am - 5:18 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

8h 37m1 stop Atlanta Hartsfield-Jackson

9:04 pm - 7:16 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

10h 12m1 stop Atlanta Hartsfield-Jackson

$335Frontier

Wed, Sep 9 - Wed, Sep 9

7:40 pm - 9:01 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 21mnonstop

10:16 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 14mnonstop

$367United Airlines

Wed, Sep 9 - Sun, Oct 4

10:30 am - 11:39 amPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 09mnonstop

1:05 pm - 2:21 pmIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 16mnonstop

$379United Airlines

Fri, Sep 4 - Mon, Sep 7

Cheap direct flights

Enter your travel dates to find the best prices.

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

1:33 pm - 2:40 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 07mnonstop

$268American Airlines

Sun, Sep 27 - Sun, Oct 4

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

5:10 pm - 6:21 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 11mnonstop

$268American Airlines

Mon, Sep 28 - Mon, Oct 5

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

1:33 pm - 2:40 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 07mnonstop

$268American Airlines

Thu, Sep 24 - Sun, Sep 27

7:30 pm - 8:49 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 19mnonstop

8:30 am - 9:43 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

$269United Airlines

Thu, Oct 1 - Thu, Oct 8

7:30 pm - 8:49 pmPHL Philadelphia-IAD Washington, D.C. Dulles Intl

1h 19mnonstop

8:36 am - 9:49 amIAD Washington, D.C. Dulles Intl-PHL Philadelphia

1h 13mnonstop

$269United Airlines

Fri, Oct 23 - Mon, Oct 26

7:40 pm - 9:13 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 33mnonstop

1:33 pm - 2:40 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 07mnonstop

$269American Airlines

Sun, Sep 27 - Sun, Oct 4

8:47 pm - 9:59 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 12mnonstop

1:29 pm - 2:37 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 08mnonstop

$269American Airlines

Wed, Oct 7 - Sat, Oct 10

7:38 pm - 9:00 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 22mnonstop

1:39 pm - 2:55 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 16mnonstop

$269American Airlines

Sat, Jan 30 - Tue, Feb 2

3:41 pm - 4:53 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 12mnonstop

1:29 pm - 2:37 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 08mnonstop

$269American Airlines

Wed, Sep 30 - Wed, Oct 7

8:47 pm - 9:59 pmPHL Philadelphia-DCA Washington, D.C. Reagan-National

1h 12mnonstop

1:29 pm - 2:37 pmDCA Washington, D.C. Reagan-National-PHL Philadelphia

1h 08mnonstop

$269American Airlines

Fri, Oct 9 - Mon, Oct 12

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Frontier flights from Philadelphia to District of Columbia

Our best Frontier deals on Philadelphia to District of Columbia flight tickets

Frontier

Sep 29

PHL5:32 pmPhiladelphia

6h 38m

1 stop

IAD12:10 amWashington, D.C. Dulles Intl

Oct 6

IAD9:04 pmWashington, D.C. Dulles Intl

10h 12m

1 stop

PHL7:16 amPhiladelphia

$127

Frontier

Sep 29

PHL12:40 pmPhiladelphia

11h 30m

1 stop

IAD12:10 amWashington, D.C. Dulles Intl

Oct 6

IAD7:50 amWashington, D.C. Dulles Intl

10h 24m

1 stop

PHL6:14 pmPhiladelphia

$129

Frontier

Oct 21

PHL5:22 pmPhiladelphia

6h 59m

1 stop

IAD12:21 amWashington, D.C. Dulles Intl

Oct 24

IAD7:50 amWashington, D.C. Dulles Intl

10h 25m

1 stop

PHL6:15 pmPhiladelphia

$130

United Airlines flights from Philadelphia to District of Columbia

Our best United Airlines deals on Philadelphia to District of Columbia flight tickets

United Airlines

Sep 29

PHL6:15 amPhiladelphia

1h 16m

IAD7:31 amWashington, D.C. Dulles Intl

Oct 6

IAD1:05 pmWashington, D.C. Dulles Intl

1h 15m

PHL2:20 pmPhiladelphia

$269

United Airlines

Sep 16

PHL10:30 amPhiladelphia

1h 09m

IAD11:39 amWashington, D.C. Dulles Intl

Sep 19

IAD1:05 pmWashington, D.C. Dulles Intl

1h 15m

PHL2:20 pmPhiladelphia

$299

United Airlines

Sep 11

PHL7:40 pmPhiladelphia

1h 21m

IAD9:01 pmWashington, D.C. Dulles Intl

Sep 13

IAD5:36 pmWashington, D.C. Dulles Intl

1h 18m

PHL6:54 pmPhiladelphia

$329

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Tue 9/29

5:32 pm-12:10 am

1 stop6h 38m

Washington, D.C. Dulles Intl

Tue 10/6

9:04 pm-7:16 am

1 stop10h 12m

$127

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Wed 10/21

5:22 pm-12:21 am

1 stop6h 59m

Washington, D.C. Dulles Intl

Sat 10/24

7:50 am-6:15 pm

1 stop10h 25m

$127

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Sat 10/17

12:35 pm-12:21 am

1 stop11h 46m

Washington, D.C. Dulles Intl

Sat 10/24

7:50 am-6:15 pm

1 stop10h 25m

$129

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Tue 9/29

12:40 pm-12:10 am

1 stop11h 30m

Washington, D.C. Dulles Intl

Tue 10/6

7:50 am-6:14 pm

1 stop10h 24m

$129

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Sun 9/27

7:40 pm-9:13 pm

Nonstop1h 33m

Washington, D.C. Reagan-National

Sun 10/4

1:33 pm-2:40 pm

Nonstop1h 07m

$268

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Thu 9/24

7:40 pm-9:13 pm

Nonstop1h 33m

Washington, D.C. Reagan-National

Sun 9/27

1:33 pm-2:40 pm

Nonstop1h 07m

$268

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Mon 9/28

7:40 pm-9:13 pm

Nonstop1h 33m

Washington, D.C. Reagan-National

Mon 10/5

5:10 pm-6:21 pm

Nonstop1h 11m

$268

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Fri 10/2

10:40 am-11:49 am

Nonstop1h 09m

Washington, D.C. Dulles Intl

Wed 10/7

1:05 pm-2:20 pm

Nonstop1h 15m

$269

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Thu 10/8

6:15 am-7:31 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sat 10/10

5:25 pm-6:42 pm

Nonstop1h 17m

$269

Quickest round-trip

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Wed 10/7

8:47 pm-9:59 pm

Nonstop1h 12m

Washington, D.C. Reagan-National

Sat 10/10

1:29 pm-2:37 pm

Nonstop1h 08m

$269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to District of Columbia?

In general, October is the cheapest month to fly from Philadelphia to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $239. If you don’t want to visit District of Columbia in October, then you should wait until January to fly from Philadelphia, when ticket prices are also cheap, with an average price of $239.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $650. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Philadelphia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $963.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $705 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $1,150. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Philadelphia to District of Columbia flight route?

Fly from Philadelphia to Washington, D.C. Reagan-National for the best Philadelphia - District of Columbia flight prices

What cabin class options are available on Philadelphia to District of Columbia flights?

There are 4 cabin classes available to choose from on Philadelphia to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Philadelphia to District of Columbia flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to District of Columbia.

Cheap Philadelphia to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to District of Columbia

Best Price Found	$66
Fastest flight time	1h 09m
Direct flights	Every day
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from Philadelphia in the past 72 hours is $66. The best round-trip flight deal from Philadelphia to District of Columbia found on momondo in the last 72 hours is $127.

The fastest flight from Philadelphia to District of Columbia takes 1h 09m

Direct flights go from Philadelphia to District of Columbia every day.

There are 2 airports in District of Columbia. From Philadelphia there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Philadelphia to District of Columbia

When did momondo last update prices for flights from Philadelphia Airport to District of Columbia?
Prices for flights from Philadelphia Airport to District of Columbia are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to District of Columbia?
The number of operators available for flights from Philadelphia Airport to District of Columbia is 2 as of September 2026.
How old do you have to be to fly from Philadelphia Airport to District of Columbia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The necessary travel and health documents for your District of Columbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Philadelphia to District of Columbia?
Based on momondo bookings for flights between Philadelphia and District of Columbia, the leading plane model is Boeing 737-800, making up 7.43% of the total bookings. Other popular models include Airbus A321neo with 6.98%, Boeing 737 MAX 8 with 6.53%, and Airbus A321-100/200 with 6.08%.

Best airlines flying from Philadelphia to District of Columbia

Compare and see reviews for airlines that fly from Philadelphia to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.1 12,030 reviews		Search American Airlines flights
United Airlines	PriceFrom $206	Free Cancellation	Rating 7.4 10,160 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to District of Columbia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to District of Columbia for you.

Can I find flights from Philadelphia to District of Columbia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to District of Columbia flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to District of Columbia?

Once you have performed a search for Philadelphia to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to District of Columbia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to District of Columbia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to District of Columbia and let you know when they change.