$67+ Cheap flights from Baltimore to Philadelphia (BWI - PHL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — PHL
Oct 21 — Oct 281
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Baltimore to Philadelphia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Baltimore to Philadelphia
Cheapest
Best
Last-minute
One-way
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 September 21, 2026.
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 September 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:22 am -
1 stop7h 53m
Tue 10/275:00 pm -
1 stop7h 22m
Deal found 9/20![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:54 pm -
1 stop9h 11m
Sat 12/54:38 pm -
1 stop6h 03m
Deal found 9/20![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:12 pm -
1 stop10h 09m
Mon 10/268:30 am -
1 stop16h 04m
Deal found 9/19![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:12 pm -
1 stop10h 09m
Tue 11/105:22 pm -
1 stop7h 00m
Deal found 9/18![Frontier logo]()
$159
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:22 am -
1 stop7h 53m
Sat 10/245:20 pm -
1 stop7h 14m
Deal found 9/19![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
1 stop15h 07m
Mon 12/74:38 pm -
1 stop6h 03m
Deal found 9/16![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:54 pm -
1 stop9h 11m
Sun 12/64:38 pm -
1 stop6h 03m
Deal found 9/20![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:12 pm -
1 stop21h 03m
Mon 10/195:15 am -
1 stop27h 05m
Deal found 9/17![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:54 pm -
1 stop7h 13m
Sat 12/56:40 pm -
1 stop14h 00m
Deal found 9/20![Frontier logo]()
$180
Best flights from Baltimore to PhiladelphiaDiscover 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 September 21, 2026.
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 September 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
1 stop15h 07m
Mon 12/74:38 pm -
1 stop6h 03m
Deal found 9/16![Frontier logo]()
$168
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/92:30 pm -
2 stops7h 35m
Fri 12/115:30 am -
1 stop6h 30m
Deal found 9/17![Southwest logo]()
$270
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:22 am -
2 stops13h 21m
Sat 10/245:20 pm -
1 stop7h 14m
Deal found 9/19![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:22 am -
1 stop7h 52m
Wed 10/148:30 am -
1 stop8h 17m
Deal found 9/16![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
2 stops14h 50m
Sun 12/66:48 pm -
1 stop13h 52m
Deal found 9/16![Frontier logo]()
$281
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:40 am -
2 stops18h 58m
Thu 10/226:40 am -
2 stops10h 50m
Deal found 9/17![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:12 pm -
1 stop10h 09m
Sun 11/84:47 pm -
1 stop17h 37m
Deal found 9/20![Frontier logo]()
$297
This Frontier deal was found by Cheapflights users on 9/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:12 pm -
1 stop9h 59m
Mon 11/98:30 am -
1 stop8h 14m
Deal found 9/20![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:12 pm -
1 stop10h 09m
Sun 10/189:09 pm -
1 stop11h 54m
Deal found 9/21![Frontier logo]()
$315
Last-minute flights from Baltimore to PhiladelphiaDiscover last-minute flight deals from Baltimore to Philadelphia. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Philadelphia. Data last updated September 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:12 pm -
1 stop10h 09m
Thu 10/156:03 pm -
1 stop6h 31m
Deal found 9/16![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:12 pm -
1 stop10h 09m
Fri 10/1610:37 am -
1 stop21h 43m
Deal found 9/18![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:12 pm -
1 stop21h 03m
Mon 10/195:15 am -
1 stop27h 05m
Deal found 9/17![Frontier logo]()
$172
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:40 am -
1 stop12h 35m
Thu 10/226:40 am -
2 stops10h 50m
Deal found 9/17![Frontier logo]()
$231
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:12 pm -
1 stop10h 09m
Fri 10/235:22 pm -
1 stop7h 12m
Deal found 9/18![Frontier logo]()
$205
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:22 am -
1 stop7h 53m
Sat 10/245:20 pm -
1 stop7h 14m
Deal found 9/19![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:12 pm -
1 stop10h 09m
Mon 10/268:30 am -
1 stop16h 04m
Deal found 9/19![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:22 am -
1 stop7h 53m
Tue 10/275:00 pm -
1 stop7h 22m
Deal found 9/20![Frontier logo]()
$133
One-way flights from Baltimore to PhiladelphiaSearch for one-way flight options from Baltimore to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Baltimore to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Trip.com deal was found by Cheapflights users on 9/17. 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.
Fri 10/169:12 pm -
1 stop21h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:12 pm -
1 stop10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:40 am -
1 stop12h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:22 am -
1 stop12h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 pm -
2 stops36h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:12 pm -
1 stop9h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:40 am -
1 stop18h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:12 pm -
1 stop9h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:12 pm -
1 stop10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$84
Find flight deals from Baltimore to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Philadelphia (PHL). 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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $133 (Kiwi.com) |
One-way from | $67 (Trip.com) |
Popular in | March |
Cheapest in | November |
Average price | $303 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to Philadelphia 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 7,457,451 searches. Data last updated September 21, 2026.
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
Cheapest round-trip
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Mon 11/16
9:52 pm-7:21 am
2 stops33h 29m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$70
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Tue 11/17
5:40 am-6:19 pm
1 stop12h 39m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$71
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Wed 12/16
6:00 am-5:35 pm
1 stop11h 35m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$93
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Thu 11/19
5:40 am-8:20 pm
1 stop14h 40m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$100
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Mon 10/26
9:52 pm-9:30 am
1 stop11h 38m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$105
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Thu 12/17
5:30 am-1:15 pm
1 stop7h 45m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$113
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Thu 11/12
9:53 am-7:58 pm
1 stop10h 05m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$118
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Tue 12/15
2:30 pm-10:05 pm
2 stops7h 35m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$123
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Sun 10/18
9:52 pm-7:21 am
2 stops33h 29m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$127
BaltimorePhiladelphia
BWI Baltimore/Washington - PHL Philadelphia
BWIPHL
Baltimore/Washington
Sat 12/5
6:00 am-9:07 pm
1 stop15h 07m
Philadelphia
Mon 12/7
4:38 pm-10:41 pm
1 stop6h 03m
$168
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Baltimore to Philadelphia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Philadelphia in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Baltimore-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
BWI-PHL
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.
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.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
Reading
King of Prussia
Camden
Ocean City
Wildwood Crest
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Vineland
Millville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Philadelphia flight routes
Popular flights