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

Cheapflights users have booked flights from Baltimore to Philadelphia round-trip from $163. Another airline that can offer you cheap pricing is Frontier.

What are the cheapest airlines to fly from Baltimore to Philadelphia one-way?

$80 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Delta, with prices starting from $86 and $515, respectively.

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 $350. 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.

$80+ Flights from Baltimore to Philadelphia

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Cheap flight deals from Baltimore to Philadelphia

Round-trip from	$163 (FlightHub)
One-way from	$80 (Expedia)
Popular in	August
Cheapest in	April
Average price	$289

From Baltimore/Washington to Philadelphia

Search Deals

One-way flight from Baltimore/Washington to Philadelphia

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($99 potential increase over avg. RT price).

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Cheapest flight prices on average. 15% potential price decrease ($48 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 2, 2025.

Thu 10/235:47 pmBWI - PHL

1 stop4h 55mSpirit Airlines

Mon 10/275:45 amPHL - BWI

1 stop11h 06mSpirit Airlines

Deal found 7/2

$163

Sat 8/23:58 pmBWI - PHL

1 stop8h 48mFrontier

Mon 8/45:30 amPHL - BWI

1 stop11h 22mFrontier

Deal found 7/2

$173

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 July 2, 2025.

Thu 10/235:47 pmBWI - PHL

1 stop4h 55mSpirit Airlines

Mon 10/275:45 amPHL - BWI

1 stop11h 06mSpirit Airlines

Deal found 7/2

$163

Thu 8/143:58 pmBWI - PHL

1 stop8h 48mFrontier

Thu 8/211:14 pmPHL - BWI

1 stop11h 05mFrontier

Deal found 6/30

$172

Last-minute flights from Baltimore to Philadelphia
Discover last-minute flight deals from Baltimore to Philadelphia. Data last updated July 2, 2025 and is based on user searches.

Thu 7/102:50 pmBWI - PHL

1 stop7h 36mSpirit Airlines

Sun 7/139:12 pmPHL - BWI

1 stop16h 33mSpirit Airlines

Deal found 7/1

$263

Thu 7/107:20 amBWI - PHL

1 stop10h 25mFrontier

Fri 7/116:45 pmPHL - BWI

1 stop5h 40mFrontier

Deal found 7/1

$276

Thu 8/143:58 pmBWI - PHL

1 stop8h 48mFrontier

Thu 8/211:14 pmPHL - BWI

1 stop11h 05mFrontier

Deal found 6/30

$172

Thu 8/142:30 pmBWI - PHL

1 stop6h 19mSpirit Airlines

Sun 8/177:00 amPHL - BWI

1 stop15h 09mSpirit Airlines

Deal found 7/1

$179

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 July 2, 2025.

Wed 8/612:31 pmBWI - PHL

1 stop5h 24mFrontier

Deal found 7/1

$80

Mon 8/48:54 amBWI - PHL

1 stop11h 13mSpirit Airlines

Deal found 7/1

$86

Sat 7/55:17 pmBWI - PHL

1 stop15h 34mDelta

Deal found 7/1

$515

Thu 7/316:50 pmBWI - PHL

1 stop15h 57mUnited Airlines

Deal found 6/30

$599

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 8/14

3:58 pm-12:46 am

1 stop8h 48m

Philadelphia

Thu 8/21

1:14 pm-12:19 am

1 stop11h 05m

$172

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sat 8/16

5:19 pm-8:03 am

1 stop14h 44m

Philadelphia

Mon 8/18

7:00 am-10:09 pm

1 stop15h 09m

$176

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 8/6

12:31 pm-5:55 pm

1 stop5h 24m

$80

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 8/4

8:54 am-8:07 pm

1 stop11h 13m

$86

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sat 7/5

5:17 pm-8:51 am

1 stop15h 34m

$515

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 7/31

6:50 pm-10:47 am

1 stop15h 57m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

Reviews of airlines servicing Philadelphia

Peruse reviews from past customers who have flown with Delta, United Airlines, and Spirit Airlines from Baltimore to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,983 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,103 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,290 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Baltimore to Philadelphia round-trip?
Cheapflights users have booked flights from Baltimore to Philadelphia round-trip from $163. Another airline that can offer you cheap pricing is Frontier.
What are the cheapest airlines to fly from Baltimore to Philadelphia one-way?
$80 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Delta, with prices starting from $86 and $515, respectively.
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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$80+ 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 8/6. 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 July 2, 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 July 2, 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?

Reviews of airlines servicing Philadelphia

Peruse reviews from past customers who have flown with Delta, United Airlines, and Spirit Airlines from Baltimore to Philadelphia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines to fly from Baltimore to Philadelphia one-way?

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 Baltimore?

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Alternative routes for Baltimore to 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 July 2, 2025.