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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 5/5. 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

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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
3:20 pm - 8:43 am
PHL
-
BWI
17h 23m
1 stop
Frontier Logo
6:02 pm - 3:02 pm
BWI
-
PHL
21h 00m
1 stop
$138Frontier
Sun, May 3 - Fri, May 8
Frontier Logo
6:50 am - 8:15 am
PHL
-
BWI
25h 25m
1 stop
Frontier Logo
6:02 pm - 3:02 pm
BWI
-
PHL
21h 00m
1 stop
$139Frontier
Wed, Apr 29 - Fri, May 8
Multiple Airlines Logo
8:45 am - 11:29 pm
PHL
-
BWI
14h 44m
1 stop
Multiple Airlines Logo
6:30 am - 11:29 pm
BWI
-
PHL
16h 59m
1 stop
$145Multiple Airlines
Tue, May 5 - Tue, May 12
Frontier Logo
6:10 am - 11:48 am
PHL
-
BWI
5h 38m
1 stop
Frontier Logo
7:54 pm - 12:29 am
BWI
-
PHL
4h 35m
1 stop
$146Frontier
Thu, Apr 23 - Thu, Apr 30
Multiple Airlines Logo
6:00 am - 11:29 pm
PHL
-
BWI
17h 29m
1 stop
Multiple Airlines Logo
6:30 am - 11:29 pm
BWI
-
PHL
16h 59m
1 stop
$147Multiple Airlines
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
8:44 pm - 11:29 pm
PHL
-
BWI
26h 45m
1 stop
Multiple Airlines Logo
11:36 am - 12:45 am
BWI
-
PHL
13h 09m
1 stop
$148Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
6:00 am - 8:35 am
PHL
-
BWI
26h 35m
1 stop
Multiple Airlines Logo
4:33 pm - 9:25 am
BWI
-
PHL
16h 52m
1 stop
$149Multiple Airlines
Wed, May 6 - Wed, May 13
Multiple Airlines Logo
5:32 pm - 9:37 am
PHL
-
BWI
16h 05m
1 stop
Multiple Airlines Logo
7:48 pm - 12:44 am
BWI
-
PHL
28h 56m
1 stop
$151Multiple Airlines
Thu, Apr 30 - Mon, May 4
Frontier Logo
9:17 am - 5:11 pm
PHL
-
BWI
7h 54m
1 stop
Frontier Logo
8:52 pm - 1:47 pm
BWI
-
PHL
16h 55m
1 stop
$156Frontier
Thu, Apr 30 - Sun, May 3
Multiple Airlines Logo
4:08 pm - 7:43 am
PHL
-
BWI
15h 35m
2 stops
Multiple Airlines Logo
6:02 pm - 11:29 pm
BWI
-
PHL
29h 27m
1 stop
$159Multiple Airlines
Mon, May 4 - Mon, May 11

Frontier flights from Philadelphia to Baltimore

Our best Frontier deals on Philadelphia to Baltimore flight tickets
Frontier
May 3
PHL3:20 pmPhiladelphia
17h 23m
1 stop
BWI8:43 amBaltimore/Washington
May 8
BWI6:02 pmBaltimore/Washington
21h 00m
1 stop
PHL3:02 pmPhiladelphia
$138
Frontier
Apr 29
PHL6:50 amPhiladelphia
25h 25m
1 stop
BWI8:15 amBaltimore/Washington
May 8
BWI6:02 pmBaltimore/Washington
21h 00m
1 stop
PHL3:02 pmPhiladelphia
$139
Frontier
Apr 23
PHL6:10 amPhiladelphia
5h 38m
1 stop
BWI11:48 amBaltimore/Washington
Apr 30
BWI7:54 pmBaltimore/Washington
4h 35m
1 stop
PHL12:29 amPhiladelphia
$146

Spirit Airlines flights from Philadelphia to Baltimore

Our best Spirit Airlines deals on Philadelphia to Baltimore flight tickets
Spirit Airlines
Apr 24
PHL3:23 pmPhiladelphia
17h 52m
2 stops
BWI9:15 amBaltimore/Washington
Apr 28
BWI9:02 amBaltimore/Washington
24h 47m
3 stops
PHL9:49 amPhiladelphia
$213
Spirit Airlines
Apr 30
PHL6:12 pmPhiladelphia
15h 03m
1 stop
BWI9:15 amBaltimore/Washington
May 3
BWI2:30 pmBaltimore/Washington
18h 55m
2 stops
PHL9:25 amPhiladelphia
$217
Spirit Airlines
Apr 30
PHL7:00 amPhiladelphia
15h 20m
2 stops
BWI10:20 pmBaltimore/Washington
May 3
BWI2:30 pmBaltimore/Washington
18h 55m
2 stops
PHL9:25 amPhiladelphia
$218

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 April 10, 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

Sun 5/3

3:20 pm-8:43 am

1 stop17h 23m

Baltimore/Washington

Fri 5/8

6:02 pm-3:02 pm

1 stop21h 00m

$138

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 4/29

6:50 am-8:15 am

1 stop25h 25m

Baltimore/Washington

Fri 5/8

6:02 pm-3:02 pm

1 stop21h 00m

$139

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 5/5

8:45 am-11:29 pm

1 stop14h 44m

Baltimore/Washington

Tue 5/12

6:30 am-11:29 pm

1 stop16h 59m

$145
Quickest round-trip

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 4/23

6:10 am-11:48 am

1 stop5h 38m

Baltimore/Washington

Thu 4/30

7:54 pm-12:29 am

1 stop4h 35m

$146

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 5/6

6:00 am-11:29 pm

1 stop17h 29m

Baltimore/Washington

Wed 5/13

6:30 am-11:29 pm

1 stop16h 59m

$147

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 5/4

8:44 pm-11:29 pm

1 stop26h 45m

Baltimore/Washington

Mon 5/11

11:36 am-12:45 am

1 stop13h 09m

$148

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 5/6

6:00 am-8:35 am

1 stop26h 35m

Baltimore/Washington

Wed 5/13

4:33 pm-9:25 am

1 stop16h 52m

$149

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 4/30

5:32 pm-9:37 am

1 stop16h 05m

Baltimore/Washington

Mon 5/4

7:48 pm-12:44 am

1 stop28h 56m

$151

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 4/30

9:17 am-5:11 pm

1 stop7h 54m

Baltimore/Washington

Sun 5/3

8:52 pm-1:47 pm

1 stop16h 55m

$156

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 5/4

4:08 pm-7:43 am

2 stops15h 35m

Baltimore/Washington

Mon 5/11

6:02 pm-11:29 pm

1 stop29h 27m

$159

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?

Spirit Airlines and Frontier are the most popular carriers 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 43% 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

9h 07m

Direct flights

None
The fastest flight from Philadelphia to Baltimore takes 9h 07m
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. 9h 07m 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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