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$92+ Cheap flights from Baltimore to Philadelphia (BWI - PHL)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PHL
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Baltimore to Philadelphia

Cheapest flights from Baltimore to Philadelphia
Explore the most affordable flight options available from Baltimore to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Tue 5/56:00 pm
BWI
-
PHL
1 stop6h 54m
Frontier
Wed 5/65:28 pm
PHL
-
BWI
1 stop15h 15m
Frontier
Deal found 3/6$127
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 5/79:43 pm
BWI
-
PHL
1 stop16h 04m
Frontier
Tue 5/129:17 am
PHL
-
BWI
1 stop7h 42m
Frontier
Deal found 3/7$162
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Tue 4/77:12 pm
BWI
-
PHL
1 stop13h 27m
Multiple Airlines
Tue 4/1411:02 am
PHL
-
BWI
1 stop5h 52m
Multiple Airlines
Deal found 3/6$166
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Tue 4/77:12 pm
BWI
-
PHL
1 stop28h 13m
Frontier
Tue 4/1411:02 am
PHL
-
BWI
1 stop5h 52m
Frontier
Deal found 3/9$172
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/87:12 pm
BWI
-
PHL
1 stop19h 00m
Frontier
Wed 4/155:05 am
PHL
-
BWI
1 stop11h 49m
Frontier
Deal found 3/6$174
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sun 5/39:10 pm
BWI
-
PHL
1 stop11h 46m
Multiple Airlines
Wed 5/65:28 pm
PHL
-
BWI
1 stop15h 15m
Multiple Airlines
Deal found 3/9$178
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Tue 9/13:29 pm
BWI
-
PHL
1 stop19h 09m
Frontier
Sat 9/51:57 pm
PHL
-
BWI
1 stop25h 43m
Frontier
Deal found 3/9$194
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Tue 4/77:12 pm
BWI
-
PHL
1 stop13h 27m
Multiple Airlines
Fri 4/106:08 pm
PHL
-
BWI
1 stop14h 20m
Multiple Airlines
Deal found 3/6$206
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Mon 5/189:43 pm
BWI
-
PHL
1 stop12h 06m
Multiple Airlines
Wed 5/2010:39 am
PHL
-
BWI
2 stops14h 10m
Multiple Airlines
Deal found 3/6$213
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Fri 5/159:43 pm
BWI
-
PHL
1 stop12h 06m
Multiple Airlines
Sun 5/176:12 pm
PHL
-
BWI
1 stop15h 03m
Multiple Airlines
Deal found 3/8$216

Find flight deals from Baltimore to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Kiwi.com)

One-way from

$92
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$406
Provider with most accurate pricing for Baltimore/Washington-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Philadelphia flights.
Search Deals
From Baltimore/Washington to Philadelphia
Search Deals
One-way flight from Baltimore/Washington to Philadelphia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore to Philadelphia 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 March 10, 2026.
Use the filters below to find and compare flights from Baltimore to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/7

7:12 pm-8:39 am

1 stop13h 27m

Philadelphia

Tue 4/14

11:02 am-4:54 pm

1 stop5h 52m

$166

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/7

7:12 pm-11:25 pm

1 stop28h 13m

Philadelphia

Tue 4/14

11:02 am-4:54 pm

1 stop5h 52m

$172

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/7

7:12 pm-8:39 am

1 stop13h 27m

Philadelphia

Thu 4/9

5:21 pm-11:59 pm

1 stop6h 38m

$260

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/7

10:09 am-8:39 am

2 stops22h 30m

Philadelphia

Tue 4/14

5:21 pm-9:15 am

2 stops15h 54m

$272

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 4/8

7:12 pm-8:39 am

1 stop13h 27m

Philadelphia

Sat 4/11

5:01 am-12:10 pm

1 stop7h 09m

$272
Quickest round-trip

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/7

7:12 pm-8:39 am

1 stop13h 27m

Philadelphia

Mon 4/13

5:01 am-10:45 am

1 stop5h 44m

$274

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sun 4/5

9:26 pm-8:32 pm

1 stop23h 06m

Philadelphia

Sun 4/12

5:32 pm-11:22 am

2 stops41h 50m

$316

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 5/15

10:10 am-9:57 pm

2 stops11h 47m

Philadelphia

Sun 5/17

6:12 pm-8:43 am

1 stop14h 31m

$327

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 3/16

8:39 pm-8:39 am

3 stops36h 00m

Philadelphia

Mon 3/23

6:08 pm-11:59 pm

3 stops29h 51m

$379

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 3/19

9:43 pm-8:39 am

1 stop10h 56m

Philadelphia

Fri 3/20

6:08 pm-8:26 am

1 stop14h 18m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Baltimore to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Philadelphia in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Baltimore 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 Baltimore to Philadelphia

What is the cheapest month to book a flight from Baltimore to Philadelphia?

Currently, April is the cheapest month in which you can book a flight from Baltimore to Philadelphia (average of $54). Flying from Baltimore to Philadelphia in August is currently the most expensive (average of $117). 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.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to Philadelphia?

    There are many flights that can get you from Baltimore to Philadelphia in 28h 13m. Fly via Frontier to get the fastest option. Baltimore and Philadelphia are separated by a distance of 90 mi.

  • Can I find deals for flights from Baltimore to Philadelphia that include hotel bookings?

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

  • How can I find direct flights from Baltimore to Philadelphia?

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

  • Can I find deals for business class flights from Baltimore to Philadelphia?

    Yes. Cheapflights offers flight deals from Baltimore to Philadelphia 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 Baltimore to Philadelphia?

    Currently, April is the cheapest month in which you can book a flight from Baltimore to Philadelphia (average of $54). Flying from Baltimore to Philadelphia in August is currently the most expensive (average of $117). 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Reading
King of Prussia
Camden
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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