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 39% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 5 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.

$74 Cheap Flights from Baltimore to Philadelphia in 2026

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Find the cheapest flights from Baltimore to Philadelphia

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:43 pm - 11:10 pm

BWI

PHL

25h 27m

1 stop

5:28 pm - 8:43 am

PHL

BWI

15h 15m

1 stop

$128Frontier

Mon, Apr 20 - Wed, Apr 29

9:43 pm - 11:10 pm

BWI

PHL

25h 27m

1 stop

5:28 pm - 8:43 am

PHL

BWI

15h 15m

1 stop

$134Frontier

Thu, Apr 16 - Wed, Apr 29

9:43 pm - 11:10 pm

BWI

PHL

25h 27m

1 stop

10:38 pm - 4:40 pm

PHL

BWI

18h 02m

1 stop

$136Frontier

Mon, Apr 20 - Mon, May 4

9:43 pm - 11:10 pm

BWI

PHL

25h 27m

1 stop

10:38 pm - 4:40 pm

PHL

BWI

18h 02m

1 stop

$145Frontier

Thu, Apr 16 - Mon, May 4

9:43 pm - 8:44 am

BWI

PHL

11h 01m

1 stop

6:00 am - 4:40 pm

PHL

BWI

10h 40m

1 stop

$151Multiple Airlines

Thu, Apr 16 - Tue, May 5

6:05 am - 12:54 am

BWI

PHL

18h 49m

1 stop

5:28 pm - 8:43 am

PHL

BWI

15h 15m

1 stop

$152Frontier

Fri, Apr 24 - Sun, Apr 26

9:43 pm - 8:44 am

BWI

PHL

11h 01m

1 stop

5:05 am - 4:13 pm

PHL

BWI

11h 08m

1 stop

$153Multiple Airlines

Thu, Apr 16 - Fri, May 1

3:19 pm - 12:52 am

BWI

PHL

9h 33m

1 stop

5:18 pm - 10:13 am

PHL

BWI

16h 55m

1 stop

$155Frontier

Tue, Mar 24 - Tue, Mar 31

9:41 am - 11:10 pm

BWI

PHL

13h 29m

1 stop

9:17 am - 4:59 pm

PHL

BWI

7h 42m

1 stop

$156Multiple Airlines

Tue, Apr 21 - Tue, May 5

9:43 pm - 8:44 am

BWI

PHL

11h 01m

1 stop

6:00 am - 4:40 pm

PHL

BWI

10h 40m

1 stop

$160Multiple Airlines

Sun, Apr 19 - Tue, May 5

Frontier flights from Baltimore to Philadelphia

Our best Frontier deals on Baltimore to Philadelphia flight tickets

Frontier

Apr 20

BWI9:43 pmBaltimore/Washington

25h 27m

1 stop

PHL11:10 pmPhiladelphia

Apr 29

PHL5:28 pmPhiladelphia

15h 15m

1 stop

BWI8:43 amBaltimore/Washington

$128

Frontier

Apr 16

BWI9:43 pmBaltimore/Washington

25h 27m

1 stop

PHL11:10 pmPhiladelphia

Apr 29

PHL5:28 pmPhiladelphia

15h 15m

1 stop

BWI8:43 amBaltimore/Washington

$134

Frontier

Apr 20

BWI9:43 pmBaltimore/Washington

25h 27m

1 stop

PHL11:10 pmPhiladelphia

May 5

PHL7:56 pmPhiladelphia

20h 44m

1 stop

BWI4:40 pmBaltimore/Washington

$136

Spirit Airlines flights from Baltimore to Philadelphia

Our best Spirit Airlines deals on Baltimore to Philadelphia flight tickets

Spirit Airlines

Apr 24

BWI5:20 amBaltimore/Washington

17h 39m

2 stops

PHL10:59 pmPhiladelphia

Apr 26

PHL5:57 pmPhiladelphia

14h 49m

1 stop

BWI8:46 amBaltimore/Washington

$203

Spirit Airlines

Feb 23

BWI4:45 pmBaltimore/Washington

27h 07m

3 stops

PHL7:52 pmPhiladelphia

Feb 25

PHL5:26 pmPhiladelphia

15h 40m

1 stop

BWI9:06 amBaltimore/Washington

$204

Spirit Airlines

Mar 6

BWI4:45 pmBaltimore/Washington

6h 31m

1 stop

PHL11:16 pmPhiladelphia

Mar 9

PHL5:26 pmPhiladelphia

15h 40m

1 stop

BWI9:06 amBaltimore/Washington

$210

Fly from

Fly to

Route

Depart

Return

Price

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 4/20

9:43 pm-11:10 pm

1 stop25h 27m

Philadelphia

Wed 4/29

5:28 pm-8:43 am

1 stop15h 15m

$128

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 4/16

9:43 pm-11:10 pm

1 stop25h 27m

Philadelphia

Wed 4/29

5:28 pm-8:43 am

1 stop15h 15m

$134

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 4/20

9:43 pm-11:10 pm

1 stop25h 27m

Philadelphia

Mon 5/4

10:38 pm-4:40 pm

1 stop18h 02m

$136

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 4/16

9:43 pm-11:10 pm

1 stop25h 27m

Philadelphia

Mon 5/4

10:38 pm-4:40 pm

1 stop18h 02m

$145

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 4/16

9:43 pm-8:44 am

1 stop11h 01m

Philadelphia

Tue 5/5

6:00 am-4:40 pm

1 stop10h 40m

$151

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 4/24

6:05 am-12:54 am

1 stop18h 49m

Philadelphia

Sun 4/26

5:28 pm-8:43 am

1 stop15h 15m

$152

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 4/16

9:43 pm-8:44 am

1 stop11h 01m

Philadelphia

Fri 5/1

5:05 am-4:13 pm

1 stop11h 08m

$153

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 3/24

3:19 pm-12:52 am

1 stop9h 33m

Philadelphia

Tue 3/31

5:18 pm-10:13 am

1 stop16h 55m

$155

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/21

9:41 am-11:10 pm

1 stop13h 29m

Philadelphia

Tue 5/5

9:17 am-4:59 pm

1 stop7h 42m

$156

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Sun 4/19

9:43 pm-8:44 am

1 stop11h 01m

Philadelphia

Tue 5/5

6:00 am-4:40 pm

1 stop10h 40m

$160

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 $496. On the other hand, Sunday 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 $719.

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 at noon. momondo users have found flights departing from Baltimore to Philadelphia at noon for as low as $494. 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 $778.

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	6h 17m
Direct flights	None

The fastest flight from Baltimore to Philadelphia takes 6h 17m

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

Search flight deals

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 6h 17m, 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.

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

King of Prussia

Cherry Hill

Newark

Dewey Beach

Reading

North Wildwood

Avalon

Dover

Lewes

Stone Harbor

Essington

Vineland

New Castle

Elkton

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.