What is the cheapest airline that flies from Baltimore/Washington to Philadelphia?

Frontier is the most popular carrier operating from Baltimore/Washington to Philadelphia

What airlines fly to Philadelphia?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Philadelphia from Baltimore according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 4 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Baltimore/Washington Airport to Philadelphia Airport?

Prices for flights from Baltimore/Washington Airport to Philadelphia Airport are refreshed on a daily basis.

How old do you have to be to fly from Baltimore/Washington Airport to Philadelphia Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$104 Cheap Flights from Baltimore to Philadelphia in 2026

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Find the cheapest flights from Baltimore to Philadelphia

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:32 pm - 7:19 am

BWI

PHL

9h 47m

1 stop

8:30 am - 7:26 am

PHL

BWI

22h 56m

1 stop

$183Frontier

Fri, Jul 3 - Mon, Jul 6

9:37 pm - 7:15 am

BWI

PHL

9h 38m

1 stop

2:59 pm - 12:10 pm

PHL

BWI

21h 11m

1 stop

$233Frontier

Tue, Jul 21 - Sun, Jul 26

7:27 pm - 12:21 am

BWI

PHL

28h 54m

1 stop

2:59 pm - 12:10 pm

PHL

BWI

21h 11m

1 stop

$250Frontier

Wed, Jun 24 - Thu, Jul 9

9:37 pm - 7:15 am

BWI

PHL

9h 38m

1 stop

1:32 pm - 7:26 am

PHL

BWI

17h 54m

1 stop

$267Frontier

Fri, Jul 17 - Sun, Jul 19

1:29 pm - 7:17 pm

BWI

PHL

5h 48m

1 stop

2:59 pm - 12:10 pm

PHL

BWI

21h 11m

1 stop

$268Frontier

Sat, Jun 27 - Thu, Jul 9

7:27 pm - 12:31 am

BWI

PHL

29h 04m

1 stop

4:40 pm - 7:45 am

PHL

BWI

15h 05m

1 stop

$270Frontier

Wed, Jun 10 - Fri, Jun 12

9:37 pm - 7:15 am

BWI

PHL

9h 38m

1 stop

4:30 pm - 12:10 pm

PHL

BWI

19h 40m

2 stops

$281Frontier

Tue, Jul 21 - Sun, Jul 26

1:29 pm - 10:29 pm

BWI

PHL

9h 00m

1 stop

6:30 am - 3:33 pm

PHL

BWI

9h 03m

1 stop

$287Frontier

Sat, Jun 13 - Sun, Jun 14

9:32 pm - 7:19 am

BWI

PHL

9h 47m

1 stop

8:37 pm - 3:34 pm

PHL

BWI

18h 57m

2 stops

$288Frontier

Fri, Jul 3 - Mon, Jul 6

7:27 pm - 12:21 am

BWI

PHL

28h 54m

1 stop

4:40 pm - 7:45 am

PHL

BWI

15h 05m

1 stop

$294Frontier

Wed, Jun 24 - Fri, Jun 26

United Airlines flights from Baltimore to Philadelphia

Our best United Airlines deals on Baltimore to Philadelphia flight tickets

United Airlines

Jun 5

BWI7:05 pmBaltimore/Washington

15h 20m

1 stop

PHL10:25 amPhiladelphia

Jun 7

PHL6:00 amPhiladelphia

11h 03m

1 stop

BWI5:03 pmBaltimore/Washington

$982

United Airlines

Jun 5

BWI7:05 pmBaltimore/Washington

19h 42m

1 stop

PHL2:47 pmPhiladelphia

Jun 7

PHL6:00 amPhiladelphia

18h 33m

1 stop

BWI12:33 amBaltimore/Washington

$983

United Airlines

Jun 5

BWI7:05 pmBaltimore/Washington

15h 20m

1 stop

PHL10:25 amPhiladelphia

Jun 7

PHL6:00 amPhiladelphia

18h 33m

1 stop

BWI12:33 amBaltimore/Washington

$1,015

Frontier flights from Baltimore to Philadelphia

Our best Frontier deals on Baltimore to Philadelphia flight tickets

Frontier

Jul 3

BWI9:32 pmBaltimore/Washington

9h 47m

1 stop

PHL7:19 amPhiladelphia

Jul 6

PHL8:30 amPhiladelphia

22h 56m

1 stop

BWI7:26 amBaltimore/Washington

$183

Frontier

Jul 21

BWI9:37 pmBaltimore/Washington

9h 38m

1 stop

PHL7:15 amPhiladelphia

Jul 26

PHL2:59 pmPhiladelphia

21h 11m

1 stop

BWI12:10 pmBaltimore/Washington

$233

Frontier

Jun 24

BWI7:27 pmBaltimore/Washington

28h 54m

1 stop

PHL12:21 amPhiladelphia

Jul 9

PHL2:59 pmPhiladelphia

21h 11m

1 stop

BWI12:10 pmBaltimore/Washington

$250

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 7/3

9:32 pm-7:19 am

1 stop9h 47m

Philadelphia

Mon 7/6

8:30 am-7:26 am

1 stop22h 56m

$183

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 7/21

9:37 pm-7:15 am

1 stop9h 38m

Philadelphia

Sun 7/26

2:59 pm-12:10 pm

1 stop21h 11m

$233

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 6/24

7:27 pm-12:21 am

1 stop28h 54m

Philadelphia

Thu 7/9

2:59 pm-12:10 pm

1 stop21h 11m

$250

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 7/17

9:37 pm-7:15 am

1 stop9h 38m

Philadelphia

Sun 7/19

1:32 pm-7:26 am

1 stop17h 54m

$267

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sat 6/27

1:29 pm-7:17 pm

1 stop5h 48m

Philadelphia

Thu 7/9

2:59 pm-12:10 pm

1 stop21h 11m

$268

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 6/10

7:27 pm-12:31 am

1 stop29h 04m

Philadelphia

Fri 6/12

4:40 pm-7:45 am

1 stop15h 05m

$270

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 7/21

9:37 pm-7:15 am

1 stop9h 38m

Philadelphia

Sun 7/26

4:30 pm-12:10 pm

2 stops19h 40m

$281

Quickest round-trip

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sat 6/13

1:29 pm-10:29 pm

1 stop9h 00m

Philadelphia

Sun 6/14

6:30 am-3:33 pm

1 stop9h 03m

$287

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 7/3

9:32 pm-7:19 am

1 stop9h 47m

Philadelphia

Mon 7/6

8:37 pm-3:34 pm

2 stops18h 57m

$288

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 6/24

7:27 pm-12:21 am

1 stop28h 54m

Philadelphia

Fri 6/26

4:40 pm-7:45 am

1 stop15h 05m

$294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Baltimore to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Baltimore to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $466. On the other hand, Wednesday is the most expensive day to depart from Baltimore because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $672.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the morning. momondo users have found flights departing from Baltimore to Philadelphia in the morning for as low as $474. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $673.

When to book flights from Baltimore to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Baltimore to Philadelphia (BWI to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Philadelphia

Fastest flight time	5h 12m
Direct flights	None

The fastest flight from Baltimore to Philadelphia takes 5h 12m

There are no direct flights from Baltimore to Philadelphia. There are no popular flight routes from Baltimore to Philadelphia.

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Frequently asked questions about flying from Baltimore to Philadelphia

How far is Baltimore/Washington to Philadelphia by plane?
The distance between Baltimore/Washington and Philadelphia is about 90.1 mi. Flights usually cover this in 5h 12m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Baltimore/Washington Airport to Philadelphia Airport?
Prices for flights from Baltimore/Washington Airport to Philadelphia Airport are refreshed on a daily basis.
How old do you have to be to fly from Baltimore/Washington Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents you'll need for your trip to Philadelphia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Philadelphia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Dover

North Wildwood

Avalon

Lewes

Stone Harbor

Essington

New Castle

Vineland

Chester

Pottstown

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Philadelphia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Baltimore to Philadelphia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Baltimore to Philadelphia with flexible booking policies on momondo?

Flights from Baltimore to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Baltimore to Philadelphia?

momondo helps you find the best flight between Baltimore and Philadelphia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Baltimore to Philadelphia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Baltimore to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.