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$78+ Cheap flights from Philadelphia to Baltimore (PHL - BWI)

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BWI
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheap flight deals from Philadelphia to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Baltimore (BWI). 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 June 30, 2025.

Round-trip from

$163
(FlightHub)

One-way from

$78
(Frontier)

Popular in

December

Cheapest in

November

Average price

$324
From Philadelphia to Baltimore/Washington
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One-way flight from Philadelphia to Baltimore/Washington
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Philadelphia to Baltimore

Cheapest flights from Philadelphia to Baltimore
Explore the most affordable flight options available from Philadelphia to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/289:12 pmPHL - BWI
1 stop16h 33mSpirit Airlines
Mon 8/48:54 amBWI - PHL
1 stop11h 13mSpirit Airlines
Deal found 6/29$163
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Sun 8/39:12 pmPHL - BWI
1 stop19h 40mMultiple Airlines
Sun 8/107:15 amBWI - PHL
1 stop12h 52mMultiple Airlines
Deal found 6/29$207
This Expedia deal was found by Cheapflights users on 6/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/265:30 amPHL - BWI
1 stop11h 24mFrontier
Sat 8/25:48 pmBWI - PHL
1 stop6h 33mFrontier
Deal found 6/28$212
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:00 pmPHL - BWI
1 stop9h 56mDelta
Wed 11/57:00 pmBWI - PHL
1 stop16h 51mDelta
Deal found 6/28$283

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Baltimore 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 June 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Baltimore that are best for you.

Fly from

Philadelphia

Fly to

Baltimore

Route

Depart

Return

Price

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 7/28

9:12 pm-1:45 pm

1 stop16h 33m

Baltimore/Washington

Mon 8/4

8:54 am-8:07 pm

1 stop11h 13m

$163

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sun 8/3

9:12 pm-4:52 pm

1 stop19h 40m

Baltimore/Washington

Sun 8/10

7:15 am-8:07 pm

1 stop12h 52m

$207

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 7/26

5:30 am-4:54 pm

1 stop11h 24m

Baltimore/Washington

Sat 8/2

5:48 pm-12:21 am

1 stop6h 33m

$212

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 10/29

9:42 am-5:22 pm

1 stop7h 40m

Baltimore/Washington

Tue 11/4

7:00 pm-8:39 am

1 stop13h 39m

$283

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 9/4

10:16 am-9:14 pm

1 stop10h 58m

$93

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sun 9/28

2:24 pm-11:00 pm

1 stop8h 36m

$100

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 12/16

6:10 am-5:15 pm

1 stop11h 05m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Best time to book a flight from Philadelphia to Baltimore

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

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

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Baltimore (average of $241). Flying from Philadelphia to Baltimore in March is currently the most expensive (average of $290). 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 Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated June 30, 2025.
Read through reviews of airlines operating flights from Philadelphia to Baltimore, such as United Airlines, Spirit Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,852 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

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
8,852 reviews
United Airlines
7.4
Good
8,852 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

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
8,096 reviews
United Airlines
7.4
Good
8,852 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

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!
Frontier
5.9
Fair
3,289 reviews
United Airlines
7.4
Good
8,852 reviews

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.0

Crew

8.1

Food

6.6

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 Philadelphia to Baltimore. 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 Philadelphia to Baltimore round-trip?

    According to our current data, Spirit Airlines ($163), and Frontier ($212) offers the cheapest pricing from Philadelphia to Baltimore.

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

    $78 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 United Airlines, with prices starting from $100 and $253, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Baltimore (average of $241). Flying from Philadelphia to Baltimore in March is currently the most expensive (average of $290). 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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Alternative routes for Philadelphia to Baltimore

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