$104+ Cheap flights from Boston to Philadelphia (BOS - 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHL
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Boston 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.Cheapflights Tip: The best prices from Boston Logan Intl to Philadelphia are usually found in January or February, booked 71 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from Boston to Philadelphia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to PhiladelphiaExplore the most affordable flight options available from Boston to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Boston to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:52 pm -
1 stop10h 26m
Wed 9/305:45 pm -
1 stop16h 37m
Deal found 9/9![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/2411:42 am -
1 stop6h 33m
Mon 10/265:22 pm -
1 stop16h 55m
Deal found 9/11![Frontier logo]()
$219
This Frontier deal was found by Cheapflights users on 9/10. 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 11/1411:27 am -
1 stop11h 39m
Sat 11/219:47 pm -
1 stop12h 24m
Deal found 9/10![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 9/9. 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 11/1812:39 pm -
1 stop10h 37m
Sun 11/229:58 pm -
1 stop12h 13m
Deal found 9/9![Frontier logo]()
$228
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:54 pm -
1 stop10h 24m
Wed 10/72:50 pm -
1 stop20h 12m
Deal found 9/11![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 9/9. 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.
Thu 12/311:57 am -
1 stop13h 01m
Sun 12/69:29 pm -
1 stop13h 33m
Deal found 9/9![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/2112:57 pm -
1 stop10h 14m
Mon 10/2612:35 pm -
1 stop21h 42m
Deal found 9/9![Frontier logo]()
$233
This Southwest deal was found by Cheapflights users on 9/13. 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.
Thu 10/297:05 am -
1 stop7h 35m
Thu 11/51:50 pm -
1 stop8h 15m
Deal found 9/13![Southwest logo]()
$236
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:42 am -
1 stop6h 33m
Mon 10/266:30 am -
Nonstop1h 20m
Deal found 9/9![Multiple Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:54 pm -
1 stop10h 24m
Sun 10/43:30 pm -
1 stop19h 21m
Deal found 9/11![Frontier logo]()
$238
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:54 pm -
1 stop10h 24m
Sun 10/45:45 pm -
1 stop17h 06m
Deal found 9/9![Frontier logo]()
$241
Best flights from Boston to PhiladelphiaDiscover carefully curated flight deals from Boston to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Boston to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 10/248:30 am -
Nonstop1h 42m
Tue 10/2712:25 pm -
Nonstop1h 34m
Deal found 9/10![Delta logo]()
$275
This JetBlue deal was found by Cheapflights users on 9/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:30 pm -
Nonstop1h 33m
Tue 9/293:57 pm -
Nonstop2h 01m
Deal found 9/10![JetBlue logo]()
$275
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop6h 25m
Fri 10/27:10 pm -
1 stop5h 44m
Deal found 9/9![United Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 9/256:50 am -
Nonstop1h 39m
Mon 9/287:50 pm -
Nonstop1h 50m
Deal found 9/9![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 10/46:50 am -
Nonstop1h 39m
Tue 10/612:25 pm -
Nonstop1h 34m
Deal found 9/13![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:30 am -
1 stop4h 19m
Wed 11/119:45 am -
1 stop5h 51m
Deal found 9/11![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
1 stop6h 05m
Sun 11/156:00 am -
1 stop4h 19m
Deal found 9/11![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 9/12. 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.
Tue 10/132:05 pm -
Nonstop1h 40m
Thu 10/159:20 am -
Nonstop1h 31m
Deal found 9/12![Delta logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:55 am -
1 stop5h 52m
Sun 11/156:00 am -
1 stop4h 19m
Deal found 9/11![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:30 am -
1 stop4h 19m
Sat 11/146:00 am -
1 stop4h 19m
Deal found 9/11![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:31 am -
1 stop6h 48m
Sun 11/16:00 am -
1 stop4h 19m
Deal found 9/12![United Airlines logo]()
$405
Last-minute flights from Boston to PhiladelphiaDiscover last-minute flight deals from Boston to Philadelphia. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Philadelphia. Data last updated September 14, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:52 pm -
1 stop10h 26m
Wed 9/305:45 pm -
1 stop16h 37m
Deal found 9/9![Frontier logo]()
$208
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:17 am -
1 stop21h 48m
Sun 10/43:30 pm -
1 stop19h 21m
Deal found 9/10![Frontier logo]()
$246
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:54 pm -
1 stop10h 24m
Sun 10/45:45 pm -
1 stop17h 06m
Deal found 9/9![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:54 pm -
1 stop10h 24m
Wed 10/72:50 pm -
1 stop20h 12m
Deal found 9/11![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:54 pm -
1 stop10h 24m
Sun 10/43:30 pm -
1 stop19h 21m
Deal found 9/11![Frontier logo]()
$238
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:28 am -
1 stop7h 53m
Wed 10/78:15 pm -
Nonstop1h 34m
Deal found 9/9![American Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/2112:57 pm -
1 stop10h 14m
Mon 10/2612:35 pm -
1 stop21h 42m
Deal found 9/9![Frontier logo]()
$233
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:57 pm -
1 stop10h 14m
Sun 10/2510:27 am -
Nonstop1h 20m
Deal found 9/9![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/2411:42 am -
1 stop6h 33m
Mon 10/265:22 pm -
1 stop16h 55m
Deal found 9/11![Frontier logo]()
$219
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:42 am -
1 stop6h 33m
Mon 10/266:30 am -
Nonstop1h 20m
Deal found 9/9![Multiple Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 9/13. 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.
Thu 10/297:05 am -
1 stop7h 35m
Thu 11/51:50 pm -
1 stop8h 15m
Deal found 9/13![Southwest logo]()
$236
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:27 am -
1 stop6h 52m
Sun 11/15:58 pm -
Nonstop1h 56m
Deal found 9/10![Multiple Airlines logo]()
$247
One-way flights from Boston to PhiladelphiaSearch for one-way flight options from Boston to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from Boston to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:57 pm -
1 stop10h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:15 pm -
1 stop11h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 9/10. 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 10/311:26 am -
1 stop12h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 9/9. 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.
Thu 12/1011:57 am -
1 stop9h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 9/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:42 am -
1 stop6h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$109
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:27 am -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 9/9. 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.
Thu 11/1912:39 pm -
1 stop11h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 9/12. 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 11/1112:39 pm -
1 stop10h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$116
Find flight deals from Boston to Philadelphia
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $208 (CheapOair) |
One-way from | $104 (Super.com) |
Popular in | May |
Cheapest in | January |
Average price | $265 |
Good round-trip deal | $276 or less |
Good one-way deal | $159 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 14, 2026.
Use the filters below to find and compare flights from Boston to Philadelphia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Thu 9/24
6:50 am-8:29 am
Nonstop1h 39m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$138
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Tue 11/24
6:40 am-8:20 am
Nonstop1h 40m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$148
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Sun 10/4
6:50 am-8:29 am
Nonstop1h 39m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$148
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Tue 9/29
5:20 pm-7:09 pm
Nonstop1h 49m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$153
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Sun 10/4
5:45 am-9:33 am
1 stop3h 48m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Fri 10/2
5:45 am-9:43 am
1 stop3h 58m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Fri 9/25
5:45 am-9:43 am
1 stop3h 58m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$176
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Mon 10/5
6:50 am-8:29 am
Nonstop1h 39m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$254
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Sat 10/24
8:30 am-10:12 am
Nonstop1h 42m
Philadelphia
Tue 10/27
12:25 pm-1:59 pm
Nonstop1h 34m
$275
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Fri 9/25
8:30 pm-10:03 pm
Nonstop1h 33m
Philadelphia
Tue 9/29
3:57 pm-5:58 pm
Nonstop2h 01m
$275
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Boston 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 Boston to Philadelphia in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Philadelphia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-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 Boston-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 Boston to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Boston with our price prediction graph.
BOS-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.
Cheapflights Insights
Everything you need to know about your flight from Boston to Philadelphia
Prices
Airlines
Delays
How far ahead should I book a flight from Boston to Philadelphia?
The price you pay for your flight from Boston to Philadelphia may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boston to Philadelphia?
Currently, January is the cheapest month in which you can book a flight from Boston to Philadelphia (average of $225). Flying from Boston to Philadelphia in May is currently the most expensive (average of $313). 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.
What is the cheapest time of day to fly from BOS to PHL?
Find hourly flight availability from Boston to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2026.
It’s optimal to fly from Boston to Philadelphia in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Boston to Philadelphia?
Use this chart to determine the cheapest time to fly round-trip from Boston to Philadelphia. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Boston to Philadelphia flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Boston to Philadelphia delayed?
About 16% of weekly flights between Boston and Philadelphia have experienced delays in the past year, with the average delay time being 129 minutes.
What is the most punctual flight time for Boston to Philadelphia flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Philadelphia flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
The best insider tips for Boston to Philadelphia flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Philadelphia trip
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Reviews of airlines servicing Philadelphia
Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated September 14, 2026.
Read through reviews of airlines operating flights from Boston to Philadelphia, such as Delta,American Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Related info for your journey
Find useful and relevant information for your journey from Boston 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
Wildwood Crest
Cherry Hill
Ocean City
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Vineland
Millville
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Boston and Philadelphia flights
Browse other Boston and Philadelphia flight options. Last updated on September 14, 2026.
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Top 4 airlines flying from Boston to Philadelphia
Discover the top 4 airlines that operate flights from Boston to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$34 | Average$117 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$95 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$99 | Average$233 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$147 | Average$300 | FlexibilityNo cancel fee | On-time71% |