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$117+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PHL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap 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 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$157
(Mytrip)

One-way from

$117
(Mytrip)

Popular in

August

Cheapest in

April

Average price

$239
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. 11% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/288:26 amBWI - PHL
1 stop23h 22mSpirit Airlines
Wed 6/46:00 amPHL - BWI
1 stop11h 48mSpirit Airlines
Deal found 4/30$157
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/95:55 amBWI - PHL
1 stop11h 34mMultiple Airlines
Wed 6/117:25 amPHL - BWI
2 stops10h 23mMultiple Airlines
Deal found 4/30$240
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2811:19 amBWI - PHL
1 stop10h 09mUnited Airlines
Wed 6/412:25 pmPHL - BWI
1 stop9h 17mUnited Airlines
Deal found 4/30$525

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 1, 2025.
Use the filters below to find and compare flights from Baltimore to Philadelphia that are best for you.

Fly from

Baltimore

Fly to

Philadelphia

Route

Depart

Return

Price

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 5/28

8:26 am-7:48 am

1 stop23h 22m

Philadelphia

Wed 6/4

6:00 am-5:48 pm

1 stop11h 48m

$157

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 6/9

5:55 am-5:29 pm

1 stop11h 34m

Philadelphia

Wed 6/11

7:25 am-5:48 pm

2 stops10h 23m

$240

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 5/28

11:19 am-9:28 pm

1 stop10h 09m

Philadelphia

Wed 6/4

12:25 pm-9:42 pm

1 stop9h 17m

$525

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sat 5/24

11:54 am-10:43 pm

1 stop10h 49m

$117

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 6/5

6:40 am-12:45 am

1 stop18h 05m

$258

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 5/9

12:25 pm-6:30 am

3 stops18h 05m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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*2 stars
eDreamsPrice 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 eDreams the most. eDreams 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, August is the cheapest month in which you can book a flight from Baltimore to Philadelphia (average of $236). Flying from Baltimore to Philadelphia in March is currently the most expensive (average of $295). 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.

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated May 1, 2025.
See what other customers who have flown with United Airlines and Spirit Airlines from Baltimore to Philadelphia have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Spirit Airlines
6.3
Okay
7,963 reviews
United Airlines
7.4
Good
8,696 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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.

  • What are the cheapest airlines flying from Baltimore to Philadelphia round-trip?

    Cheapflights users have booked flights from Baltimore to Philadelphia round-trip from $157. Another airline that can offer you cheap pricing is United Airlines.

  • 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, August is the cheapest month in which you can book a flight from Baltimore to Philadelphia (average of $236). Flying from Baltimore to Philadelphia in March is currently the most expensive (average of $295). 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 Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Vineland
Pottstown
Wildwood
King of Prussia
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Middletown
Willow Grove
Newark
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

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