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Cheap flights from Philadelphia to Washington, D.C. from $70

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 8/19. 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
8:30 am - 3:34 pm
PHL
-
BWI
7h 04m
1 stop
Frontier Logo
9:32 pm - 7:15 am
BWI
-
PHL
9h 43m
1 stop
$131Frontier
Tue, Aug 4 - Tue, Aug 18
Frontier Logo
6:30 am - 12:24 pm
PHL
-
BWI
5h 54m
1 stop
Frontier Logo
9:32 pm - 7:15 am
BWI
-
PHL
9h 43m
1 stop
$145Frontier
Sat, Aug 22 - Wed, Aug 26
Frontier Logo
4:40 pm - 7:26 am
PHL
-
BWI
14h 46m
1 stop
Frontier Logo
9:32 pm - 7:15 am
BWI
-
PHL
9h 43m
1 stop
$146Frontier
Fri, Aug 14 - Tue, Aug 18
Frontier Logo
4:40 pm - 7:26 am
PHL
-
BWI
14h 46m
1 stop
Frontier Logo
9:32 pm - 7:15 am
BWI
-
PHL
9h 43m
1 stop
$159Frontier
Mon, Aug 17 - Mon, Aug 24
Frontier Logo
1:32 pm - 7:26 am
PHL
-
BWI
17h 54m
1 stop
Frontier Logo
6:35 am - 10:28 pm
BWI
-
PHL
15h 53m
1 stop
$160Frontier
Sun, Aug 9 - Tue, Aug 11
Frontier Logo
4:30 pm - 7:26 am
PHL
-
BWI
14h 56m
1 stop
Frontier Logo
6:35 am - 12:22 pm
BWI
-
PHL
5h 47m
1 stop
$185Frontier
Sat, Aug 1 - Sat, Aug 8
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
$189Frontier
Wed, Aug 19 - Wed, Aug 26
Frontier Logo
8:30 am - 3:34 pm
PHL
-
BWI
7h 04m
1 stop
Frontier Logo
9:32 pm - 7:15 am
BWI
-
PHL
9h 43m
1 stop
$204Frontier
Thu, Jul 30 - Thu, Aug 6
Frontier Logo
6:33 pm - 12:24 pm
PHL
-
BWI
17h 51m
2 stops
Frontier Logo
9:32 pm - 7:15 am
BWI
-
PHL
9h 43m
1 stop
$208Frontier
Mon, Aug 17 - Mon, Aug 24
Frontier Logo
8:30 am - 6:09 pm
PHL
-
BWI
9h 39m
1 stop
Frontier Logo
6:35 am - 12:22 pm
BWI
-
PHL
5h 47m
1 stop
$209Frontier
Tue, Aug 4 - Tue, Aug 11

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Frontier flights from Philadelphia to Baltimore

Our best Frontier deals on Philadelphia to Baltimore flight tickets
Frontier
Aug 4
PHL8:30 amPhiladelphia
7h 04m
1 stop
BWI3:34 pmBaltimore/Washington
Aug 18
BWI9:32 pmBaltimore/Washington
9h 43m
1 stop
PHL7:15 amPhiladelphia
$131
Frontier
Aug 22
PHL6:30 amPhiladelphia
5h 54m
1 stop
BWI12:24 pmBaltimore/Washington
Aug 26
BWI9:32 pmBaltimore/Washington
9h 43m
1 stop
PHL7:15 amPhiladelphia
$145
Frontier
Aug 14
PHL4:40 pmPhiladelphia
14h 46m
1 stop
BWI7:26 amBaltimore/Washington
Aug 18
BWI9:32 pmBaltimore/Washington
9h 43m
1 stop
PHL7:15 amPhiladelphia
$146

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 July 7, 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 8/4

8:30 am-3:34 pm

1 stop7h 04m

Baltimore/Washington

Tue 8/18

9:32 pm-7:15 am

1 stop9h 43m

$131

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 8/22

6:30 am-12:24 pm

1 stop5h 54m

Baltimore/Washington

Wed 8/26

9:32 pm-7:15 am

1 stop9h 43m

$145

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Fri 8/14

4:40 pm-7:26 am

1 stop14h 46m

Baltimore/Washington

Tue 8/18

9:32 pm-7:15 am

1 stop9h 43m

$146

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 8/17

4:40 pm-7:26 am

1 stop14h 46m

Baltimore/Washington

Mon 8/24

9:32 pm-7:15 am

1 stop9h 43m

$159

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sun 8/9

1:32 pm-7:26 am

1 stop17h 54m

Baltimore/Washington

Tue 8/11

6:35 am-10:28 pm

1 stop15h 53m

$160

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 8/1

4:30 pm-7:26 am

1 stop14h 56m

Baltimore/Washington

Sat 8/8

6:35 am-12:22 pm

1 stop5h 47m

$185

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 8/19

4:45 pm-7:26 am

1 stop14h 41m

Baltimore/Washington

Wed 8/26

8:45 am-10:33 pm

1 stop13h 48m

$189

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 7/30

8:30 am-3:34 pm

1 stop7h 04m

Baltimore/Washington

Thu 8/6

9:32 pm-7:15 am

1 stop9h 43m

$204

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 8/17

6:33 pm-12:24 pm

2 stops17h 51m

Baltimore/Washington

Mon 8/24

9:32 pm-7:15 am

1 stop9h 43m

$208
Quickest round-trip

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 8/4

8:30 am-6:09 pm

1 stop9h 39m

Baltimore/Washington

Tue 8/11

6:35 am-12:22 pm

1 stop5h 47m

$209

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 51% 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

7h 58m

Direct flights

None
The fastest flight from Philadelphia to Baltimore takes 7h 58m
There are no direct flights from Philadelphia to Baltimore. There are no popular flight routes from Philadelphia to Baltimore.
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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. 7h 58m 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.

An easier way to manage your Baltimore trip

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