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.

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).

What is the cheapest month to fly from Baltimore to Philadelphia?

April can be a great time to fly to Philadelphia from Baltimore with a flight ticket averaging about $357. Cheapflights users have found deals in the month of April for as cheap as $179. The most expensive prices can be found in the month of August.

What is the cheapest time of day to fly from BWI to PHL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Philadelphia as you normally would.

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.

$77+ Flights from Baltimore to Philadelphia

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Cheap flight deals from Baltimore to Philadelphia

Round-trip from	$152 (Frontier)
One-way from	$77 (Frontier)
Popular in	August
Cheapest in	April
Average price	$819

From Baltimore/Washington to Philadelphia

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One-way flight from Baltimore/Washington to Philadelphia

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Highest demand for flights based on searches. 25% potential increase in price ($122 potential increase over avg. RT price).

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Cheapest flight prices on average. 14% potential price decrease ($47 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 18, 2025.

Thu 9/119:37 pmBWI - PHL

1 stop9h 58mFrontier

Thu 9/185:15 amPHL - BWI

1 stop5h 33mFrontier

Deal found 8/17

$152

Thu 9/49:37 pmBWI - PHL

1 stop9h 58mFrontier

Sun 9/75:15 amPHL - BWI

1 stop5h 33mFrontier

Deal found 8/17

$153

Sat 9/66:40 amBWI - PHL

1 stop10h 47mFrontier

Sun 9/75:01 amPHL - BWI

1 stop15h 04mFrontier

Deal found 8/16

$156

Fri 10/249:29 amBWI - PHL

1 stop15h 10mFrontier

Sun 10/267:05 pmPHL - BWI

1 stop14h 00mFrontier

Deal found 8/17

$160

Thu 8/2811:22 amBWI - PHL

1 stop13h 14mFrontier

Tue 9/28:02 pmPHL - BWI

1 stop18h 06mFrontier

Deal found 8/17

$165

Thu 9/1111:43 amBWI - PHL

2 stops9h 49mFrontier

Mon 9/151:02 pmPHL - BWI

1 stop11h 15mFrontier

Deal found 8/16

$186

Sat 9/64:27 pmBWI - PHL

1 stop6h 02mSpirit Airlines

Sun 9/74:03 pmPHL - BWI

2 stops24h 43mSpirit Airlines

Deal found 8/16

$205

Sun 8/3112:49 pmBWI - PHL

1 stop10h 40mMultiple Airlines

Thu 9/45:15 amPHL - BWI

1 stop5h 33mMultiple Airlines

Deal found 8/16

$215

Fri 8/2211:22 amBWI - PHL

1 stop4h 46mFrontier

Sun 8/249:56 pmPHL - BWI

1 stop11h 17mFrontier

Deal found 8/17

$216

Thu 8/2111:22 amBWI - PHL

1 stop13h 14mFrontier

Sat 8/236:25 pmPHL - BWI

1 stop5h 43mFrontier

Deal found 8/17

$217

Best flights from Baltimore to Philadelphia
Discover carefully curated flight deals from Baltimore to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Thu 9/119:37 pmBWI - PHL

1 stop9h 58mFrontier

Thu 9/185:15 amPHL - BWI

1 stop5h 33mFrontier

Deal found 8/17

$152

Sat 9/64:27 pmBWI - PHL

1 stop6h 02mSpirit Airlines

Sun 9/74:03 pmPHL - BWI

2 stops24h 43mSpirit Airlines

Deal found 8/16

$205

Thu 9/49:37 pmBWI - PHL

1 stop9h 58mFrontier

Sat 9/66:37 pmPHL - BWI

1 stop5h 29mFrontier

Deal found 8/15

$153

Thu 9/49:37 pmBWI - PHL

1 stop9h 58mFrontier

Sun 9/75:15 amPHL - BWI

1 stop5h 33mFrontier

Deal found 8/17

$153

Thu 9/119:37 pmBWI - PHL

1 stop9h 58mFrontier

Mon 9/151:02 pmPHL - BWI

1 stop11h 15mFrontier

Deal found 8/16

$153

Sat 9/66:40 amBWI - PHL

1 stop10h 47mFrontier

Sun 9/75:01 amPHL - BWI

1 stop15h 04mFrontier

Deal found 8/16

$156

Fri 10/249:29 amBWI - PHL

1 stop15h 10mFrontier

Sun 10/267:05 pmPHL - BWI

1 stop14h 00mFrontier

Deal found 8/17

$160

Thu 8/2811:22 amBWI - PHL

1 stop13h 14mFrontier

Tue 9/28:02 pmPHL - BWI

1 stop18h 06mFrontier

Deal found 8/17

$165

Last-minute flights from Baltimore to Philadelphia
Discover last-minute flight deals from Baltimore to Philadelphia. Data last updated August 18, 2025 and is based on user searches.

Thu 8/2111:22 amBWI - PHL

1 stop13h 14mFrontier

Sat 8/236:25 pmPHL - BWI

1 stop5h 43mFrontier

Deal found 8/17

$217

Fri 8/2211:22 amBWI - PHL

1 stop4h 46mFrontier

Sun 8/249:56 pmPHL - BWI

1 stop11h 17mFrontier

Deal found 8/17

$216

Fri 8/2211:27 amBWI - PHL

2 stops21h 25mSpirit Airlines

Sun 8/248:41 pmPHL - BWI

2 stops25h 28mSpirit Airlines

Deal found 8/17

$333

Fri 8/229:57 pmBWI - PHL

2 stops17h 54mMultiple Airlines

Sun 8/249:56 pmPHL - BWI

1 stop11h 17mMultiple Airlines

Deal found 8/17

$351

Thu 8/2811:22 amBWI - PHL

1 stop13h 14mFrontier

Tue 9/28:02 pmPHL - BWI

1 stop18h 06mFrontier

Deal found 8/17

$165

Sat 8/3011:44 amBWI - PHL

1 stop13h 55mMultiple Airlines

Tue 9/27:09 pmPHL - BWI

1 stop16h 35mMultiple Airlines

Deal found 8/17

$222

Sun 8/3112:49 pmBWI - PHL

1 stop10h 40mMultiple Airlines

Thu 9/45:15 amPHL - BWI

1 stop5h 33mMultiple Airlines

Deal found 8/16

$215

Thu 9/49:37 pmBWI - PHL

1 stop9h 58mFrontier

Sun 9/75:15 amPHL - BWI

1 stop5h 33mFrontier

Deal found 8/17

$153

Thu 9/41:17 pmBWI - PHL

1 stop10h 42mSpirit Airlines

Sat 9/65:00 amPHL - BWI

3 stops17h 33mSpirit Airlines

Deal found 8/15

$226

Sat 9/66:40 amBWI - PHL

1 stop10h 47mFrontier

Sun 9/75:01 amPHL - BWI

1 stop15h 04mFrontier

Deal found 8/16

$156

Sat 9/64:27 pmBWI - PHL

1 stop6h 02mSpirit Airlines

Sun 9/74:03 pmPHL - BWI

2 stops24h 43mSpirit Airlines

Deal found 8/16

$205

Thu 9/119:37 pmBWI - PHL

1 stop9h 58mFrontier

Thu 9/185:15 amPHL - BWI

1 stop5h 33mFrontier

Deal found 8/17

$152

One-way flights from Baltimore to Philadelphia
Search for one-way flight options from Baltimore to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Tue 10/2811:19 amBWI - PHL

1 stop6h 21mFrontier

Deal found 8/16

$77

Mon 10/276:09 pmBWI - PHL

1 stop6h 17mFrontier

Deal found 8/17

$79

Mon 10/139:29 amBWI - PHL

1 stop15h 10mFrontier

Deal found 8/17

$84

Mon 8/255:28 pmBWI - PHL

1 stop7h 41mFrontier

Deal found 8/16

$90

Thu 8/2111:22 amBWI - PHL

1 stop13h 14mFrontier

Deal found 8/16

$108

Fri 9/58:52 pmBWI - PHL

2 stops18h 35mMultiple Airlines

Deal found 8/16

$109

Mon 9/156:50 amBWI - PHL

2 stops12h 48mSpirit Airlines

Deal found 8/16

$112

Fri 9/264:27 pmBWI - PHL

1 stop6h 02mSpirit Airlines

Deal found 8/17

$113

Fri 9/126:22 amBWI - PHL

2 stops15h 10mFrontier

Deal found 8/16

$115

Fri 8/2211:22 amBWI - PHL

1 stop4h 46mFrontier

Deal found 8/16

$117

Sat 8/2311:44 amBWI - PHL

1 stop13h 55mFrontier

Deal found 8/16

$120

Cheapflights Fare Finder

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

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 9/11

9:37 pm-7:35 am

1 stop9h 58m

Philadelphia

Thu 9/18

5:15 am-10:48 am

1 stop5h 33m

$152

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 9/4

9:37 pm-7:35 am

1 stop9h 58m

Philadelphia

Sat 9/6

6:37 pm-12:06 am

1 stop5h 29m

$153

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 9/4

9:37 pm-7:35 am

1 stop9h 58m

Philadelphia

Sun 9/7

5:15 am-10:48 am

1 stop5h 33m

$153

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 9/11

9:37 pm-7:35 am

1 stop9h 58m

Philadelphia

Mon 9/15

1:02 pm-12:17 am

1 stop11h 15m

$153

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sat 9/6

6:40 am-5:27 pm

1 stop10h 47m

Philadelphia

Sun 9/7

5:01 am-8:05 pm

1 stop15h 04m

$156

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 10/24

9:29 am-12:39 am

1 stop15h 10m

Philadelphia

Sun 10/26

7:05 pm-9:05 am

1 stop14h 00m

$160

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 8/28

11:22 am-12:36 am

1 stop13h 14m

Philadelphia

Tue 9/2

8:02 pm-2:08 pm

1 stop18h 06m

$165

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sat 9/6

4:27 pm-10:29 pm

1 stop6h 02m

Philadelphia

Sun 9/7

4:03 pm-4:46 pm

2 stops24h 43m

$205

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 9/5

7:45 pm-12:29 am

1 stop4h 44m

$77

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 10/29

10:00 am-3:50 pm

1 stop5h 50m

$77

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 19 results

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.

Related info for your journey

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

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$77+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baltimore to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Baltimore to Philadelphia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Baltimore to Philadelphia

Cheapest flights from Baltimore to PhiladelphiaExplore 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 August 18, 2025.

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 August 18, 2025.

Cheapflights Fare Finder

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

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.

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?

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.

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

How can I find direct flights from Baltimore to Philadelphia?

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

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

Traveling to a place near Philadelphia?

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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 August 18, 2025.