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$120+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PHL
Jun 14 — Jun 211
Sun 6/14
Sun 6/21
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 May 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/13. 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 6/107:27 pm
BWI
-
PHL
1 stop29h 04m
Frontier
Wed 6/177:00 am
PHL
-
BWI
2 stops11h 32m
Frontier
Deal found 5/13$234
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 9/13:09 pm
BWI
-
PHL
1 stop9h 35m
Frontier
Tue 9/89:16 pm
PHL
-
BWI
1 stop21h 16m
Frontier
Deal found 5/12$252
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/241:29 pm
BWI
-
PHL
2 stops11h 48m
Frontier
Tue 6/304:35 pm
PHL
-
BWI
1 stop6h 25m
Frontier
Deal found 5/11$263
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 6/46:45 am
BWI
-
PHL
2 stops18h 21m
Frontier
Mon 6/85:32 pm
PHL
-
BWI
1 stop25h 17m
Frontier
Deal found 5/14$266
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 8/39:28 pm
BWI
-
PHL
1 stop11h 23m
Frontier
Wed 8/58:30 am
PHL
-
BWI
1 stop7h 52m
Frontier
Deal found 5/13$269
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/59:23 pm
BWI
-
PHL
1 stop9h 49m
Frontier
Sun 6/75:32 pm
PHL
-
BWI
1 stop25h 00m
Frontier
Deal found 5/12$270
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/29:13 pm
BWI
-
PHL
2 stops26h 16m
Frontier
Sat 6/64:25 pm
PHL
-
BWI
1 stop6h 32m
Frontier
Deal found 5/11$273
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/96:28 am
BWI
-
PHL
2 stops10h 23m
Frontier
Tue 6/164:35 pm
PHL
-
BWI
1 stop6h 25m
Frontier
Deal found 5/12$277

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 May 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(Kiwi.com)

One-way from

$120
(Kiwi.com)

Popular in

March

Cheapest in

December

Average price

$398
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. 21% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 15, 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 6/2

9:13 pm-2:15 pm

2 stops17h 02m

Philadelphia

Sat 6/6

9:16 pm-9:15 am

1 stop11h 59m

$278

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 6/3

8:52 am-6:40 pm

2 stops9h 48m

Philadelphia

Sat 6/6

9:16 pm-9:15 am

1 stop11h 59m

$281

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 6/3

8:52 am-11:29 pm

2 stops14h 37m

Philadelphia

Thu 6/4

4:25 pm-10:57 pm

1 stop6h 32m

$290

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 6/29

9:32 pm-7:19 am

1 stop9h 47m

Philadelphia

Mon 7/6

3:50 pm-2:58 pm

1 stop23h 08m

$299

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 6/11

6:28 am-12:23 pm

1 stop5h 55m

Philadelphia

Wed 6/17

6:30 am-6:32 pm

1 stop12h 02m

$315

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 7/10

9:28 pm-8:51 am

1 stop11h 23m

Philadelphia

Mon 7/13

3:50 pm-2:58 pm

1 stop23h 08m

$326

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 6/5

9:23 pm-7:12 am

1 stop9h 49m

Philadelphia

Sun 6/7

1:32 pm-7:43 am

1 stop18h 11m

$348
Quickest round-trip

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 6/5

9:23 pm-7:12 am

1 stop9h 49m

Philadelphia

Sat 6/6

4:25 pm-10:57 pm

1 stop6h 32m

$364

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 6/4

8:52 am-7:14 pm

1 stop10h 22m

Philadelphia

Sun 6/7

6:10 am-8:56 pm

2 stops14h 46m

$409
Cheapest one-way

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 6/2

8:52 am-10:11 pm

2 stops37h 19m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 17 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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.

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 17h 02m. 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.

See more FAQs

Traveling to a place near Philadelphia?

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

Browse thousands of different options on Cheapflights for your next trip

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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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