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Cheap flights from Philadelphia to Washington, D.C. from $81

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Washington, D.C. departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Philadelphia to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:45 pm - 7:26 am
PHL
-
BWI
14h 41m
1 stop
Frontier Logo
8:45 am - 10:33 pm
BWI
-
PHL
13h 48m
1 stop
$181Frontier
Tue, Sep 1 - Tue, Sep 8
Frontier Logo
8:41 am - 4:46 pm
PHL
-
BWI
8h 05m
1 stop
Frontier Logo
9:25 pm - 7:16 am
BWI
-
PHL
9h 51m
1 stop
$184Frontier
Mon, Sep 14 - Mon, Sep 21
Frontier Logo
7:15 am - 2:11 pm
PHL
-
BWI
6h 56m
1 stop
Frontier Logo
9:25 pm - 7:16 am
BWI
-
PHL
9h 51m
1 stop
$185Frontier
Tue, Sep 15 - Thu, Sep 17
Frontier Logo
6:30 am - 5:43 pm
PHL
-
BWI
11h 13m
1 stop
Frontier Logo
9:32 pm - 7:15 am
BWI
-
PHL
9h 43m
1 stop
$186Frontier
Thu, Aug 27 - Sun, Aug 30
Frontier Logo
8:41 am - 4:46 pm
PHL
-
BWI
8h 05m
1 stop
Frontier Logo
9:25 pm - 7:16 am
BWI
-
PHL
9h 51m
1 stop
$189Frontier
Wed, Sep 23 - Mon, Sep 28
Frontier Logo
8:41 am - 4:46 pm
PHL
-
BWI
8h 05m
1 stop
Frontier Logo
9:25 pm - 7:16 am
BWI
-
PHL
9h 51m
1 stop
$190Frontier
Mon, Sep 14 - Mon, Sep 21
Frontier Logo
8:41 am - 4:46 pm
PHL
-
BWI
8h 05m
1 stop
Frontier Logo
9:25 pm - 7:16 am
BWI
-
PHL
9h 51m
1 stop
$191Frontier
Tue, Sep 15 - Mon, Sep 21
Frontier Logo
6:30 am - 12:24 pm
PHL
-
BWI
5h 54m
1 stop
Frontier Logo
9:37 pm - 7:15 am
BWI
-
PHL
9h 38m
1 stop
$193Frontier
Sat, Aug 29 - Sat, Aug 29
Frontier Logo
6:30 am - 12:24 pm
PHL
-
BWI
5h 54m
1 stop
Frontier Logo
8:45 am - 8:28 pm
BWI
-
PHL
11h 43m
1 stop
$194Frontier
Sat, Aug 29 - Sat, Sep 5
Frontier Logo
5:32 pm - 11:04 pm
PHL
-
BWI
5h 32m
1 stop
Frontier Logo
1:55 pm - 11:42 pm
BWI
-
PHL
9h 47m
1 stop
$195Frontier
Mon, Sep 14 - Sun, Sep 20

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Frontier flights from Philadelphia to Baltimore

Our best Frontier deals on Philadelphia to Baltimore flight tickets
Frontier
Sep 1
PHL4:45 pmPhiladelphia
14h 41m
1 stop
BWI7:26 amBaltimore/Washington
Sep 8
BWI8:45 amBaltimore/Washington
13h 48m
1 stop
PHL10:33 pmPhiladelphia
$181
Frontier
Sep 14
PHL8:41 amPhiladelphia
8h 05m
1 stop
BWI4:46 pmBaltimore/Washington
Sep 21
BWI9:25 pmBaltimore/Washington
9h 51m
1 stop
PHL7:16 amPhiladelphia
$184
Frontier
Sep 15
PHL7:15 amPhiladelphia
6h 56m
1 stop
BWI2:11 pmBaltimore/Washington
Sep 17
BWI9:25 pmBaltimore/Washington
9h 51m
1 stop
PHL7:16 amPhiladelphia
$185

Southwest flights from Philadelphia to Baltimore

Our best Southwest deals on Philadelphia to Baltimore flight tickets
Southwest
Aug 18
PHL7:15 amPhiladelphia
7h 35m
2 stops
BWI2:50 pmBaltimore/Washington
Aug 21
BWI9:55 amBaltimore/Washington
8h 00m
2 stops
PHL5:55 pmPhiladelphia
$445
Southwest
Aug 15
PHL8:55 amPhiladelphia
7h 25m
2 stops
BWI4:20 pmBaltimore/Washington
Aug 19
BWI11:20 amBaltimore/Washington
6h 40m
2 stops
PHL6:00 pmPhiladelphia
$467
Southwest
Aug 14
PHL5:55 amPhiladelphia
8h 40m
2 stops
BWI2:35 pmBaltimore/Washington
Aug 18
BWI10:55 amBaltimore/Washington
7h 05m
2 stops
PHL6:00 pmPhiladelphia
$489

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Baltimore 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, momondo users made 832,500 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Philadelphia to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 9/1

4:45 pm-7:26 am

1 stop14h 41m

Baltimore/Washington

Tue 9/8

8:45 am-10:33 pm

1 stop13h 48m

$181

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 9/14

8:41 am-4:46 pm

1 stop8h 05m

Baltimore/Washington

Mon 9/21

9:25 pm-7:16 am

1 stop9h 51m

$184

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 9/15

7:15 am-2:11 pm

1 stop6h 56m

Baltimore/Washington

Thu 9/17

9:25 pm-7:16 am

1 stop9h 51m

$185

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 8/27

6:30 am-5:43 pm

1 stop11h 13m

Baltimore/Washington

Sun 8/30

9:32 pm-7:15 am

1 stop9h 43m

$186

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 9/23

8:41 am-4:46 pm

1 stop8h 05m

Baltimore/Washington

Mon 9/28

9:25 pm-7:16 am

1 stop9h 51m

$189

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 9/14

8:41 am-4:46 pm

1 stop8h 05m

Baltimore/Washington

Mon 9/21

9:25 pm-7:16 am

1 stop9h 51m

$190

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 9/15

8:41 am-4:46 pm

1 stop8h 05m

Baltimore/Washington

Mon 9/21

9:25 pm-7:16 am

1 stop9h 51m

$191

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 8/29

6:30 am-12:24 pm

1 stop5h 54m

Baltimore/Washington

Sat 8/29

9:37 pm-7:15 am

1 stop9h 38m

$193

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 8/29

6:30 am-12:24 pm

1 stop5h 54m

Baltimore/Washington

Sat 9/5

8:45 am-8:28 pm

1 stop11h 43m

$194
Quickest round-trip

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 9/14

5:32 pm-11:04 pm

1 stop5h 32m

Baltimore/Washington

Sun 9/20

1:55 pm-11:42 pm

1 stop9h 47m

$195

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Philadelphia to Baltimore

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

What is the cheapest airline that flies from Philadelphia to Baltimore/Washington?

Frontier is the most popular carrier operating from Philadelphia to Baltimore/Washington

What airlines fly to Baltimore?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Baltimore from Philadelphia according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 4 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

When to book flights from Philadelphia to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Baltimore (PHL to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Baltimore

Fastest flight time

5h 52m

Direct flights

None
The fastest flight from Philadelphia to Baltimore takes 5h 52m
There are no direct flights from Philadelphia to Baltimore. There are no popular flight routes from Philadelphia to Baltimore.
Search flight deals

Frequently asked questions about flying from Philadelphia to Baltimore

  • How far is Philadelphia to Baltimore/Washington by plane?

    Philadelphia and Baltimore/Washington are 90.1 mi apart from one another. 5h 52m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Philadelphia Airport to Baltimore/Washington Airport?

    Prices for flights from Philadelphia Airport to Baltimore/Washington Airport refresh daily.

  • How old do you have to be to fly from Philadelphia Airport to Baltimore/Washington Airport?

    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 Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Baltimore?

It is quick and easy to find Philadelphia to Baltimore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Baltimore that suits you.

Can I find flights from Philadelphia to Baltimore with flexible booking policies on momondo?

Flights from Philadelphia to Baltimore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Baltimore?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Baltimore from Philadelphia.

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

If you are simply researching potential flights to Baltimore, momondo offers a useful price alert feature which will track prices for flights to Baltimore from Philadelphia and alert you when they change.

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