$141+ Cheap flights from Philadelphia to Boston (PHL - BOS)
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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOS
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Boston 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 Philadelphia to Boston Logan Intl are usually found in January or February, booked 57 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from Philadelphia to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to BostonExplore the most affordable flight options available from Philadelphia to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Philadelphia to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This CheapOair deal was found by Cheapflights users on 11/1. 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 12/189:29 am -
Nonstop1h 21m
Tue 1/1910:24 am -
1 stop12h 51m
Deal found 11/1![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/204:50 pm -
1 stop15h 40m
Mon 11/239:25 am -
1 stop13h 32m
Deal found 10/30![Frontier logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:17 am -
1 stop24h 52m
Sun 1/178:37 am -
1 stop11h 25m
Deal found 11/2![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 10/31. 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 11/244:39 pm -
1 stop17h 32m
Thu 11/2611:06 am -
1 stop20h 56m
Deal found 10/31![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 11/2. 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 11/254:50 pm -
1 stop15h 40m
Mon 11/3011:06 am -
1 stop13h 47m
Deal found 11/2![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 10/30. 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 11/209:10 am -
Nonstop1h 20m
Sat 11/219:25 am -
1 stop13h 32m
Deal found 10/30![Multiple Airlines logo]()
$271
This Frontier deal was found by Cheapflights users on 11/1. 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 12/39:59 pm -
1 stop12h 12m
Sun 12/1311:34 am -
1 stop12h 06m
Deal found 11/1![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 11/1. 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.
Fri 12/1810:20 pm -
1 stop11h 10m
Sun 1/1010:01 am -
1 stop12h 02m
Deal found 11/1![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/44:38 pm -
2 stops17h 35m
Mon 12/711:34 am -
1 stop11h 37m
Deal found 11/3![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 11/3. 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 12/1710:20 pm -
1 stop11h 10m
Sun 12/2010:25 am -
1 stop21h 37m
Deal found 11/3![Frontier logo]()
$277
Best flights from Philadelphia to BostonDiscover carefully curated flight deals from Philadelphia to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Philadelphia to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/16:00 am -
1 stop4h 19m
Sat 12/52:36 pm -
1 stop4h 26m
Deal found 11/3![United Airlines logo]()
$370
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:49 am -
Nonstop1h 31m
Tue 11/172:30 pm -
1 stop3h 54m
Deal found 11/3![American Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 11/2. 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 11/245:17 pm -
1 stop7h 51m
Sat 11/286:40 am -
Nonstop1h 40m
Deal found 11/2![Delta logo]()
$588
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/1710:30 am -
1 stop4h 02m
Tue 11/177:41 pm -
1 stop3h 50m
Deal found 11/3![United Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/134:59 pm -
1 stop6h 36m
Tue 11/177:41 pm -
1 stop3h 50m
Deal found 10/30![United Airlines logo]()
$465
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 12/2710:37 am -
1 stop6h 16m
Sun 1/35:45 am -
1 stop4h 11m
Deal found 11/1![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/234:58 pm -
1 stop8h 20m
Sat 12/266:38 pm -
1 stop5h 56m
Deal found 11/3![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 11/307:40 pm -
1 stop4h 19m
Tue 12/12:58 pm -
1 stop6h 41m
Deal found 10/31![United Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/266:51 pm -
1 stop6h 27m
Mon 2/112:26 pm -
2 stops6h 19m
Deal found 11/1![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/276:00 am -
1 stop4h 19m
Sun 11/295:30 am -
1 stop4h 19m
Deal found 10/31![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/1910:30 am -
2 stops8h 04m
Sun 11/227:41 pm -
1 stop3h 52m
Deal found 11/2![United Airlines logo]()
$607
Last-minute flights from Philadelphia to BostonDiscover last-minute flight deals from Philadelphia to Boston. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Boston. Data last updated November 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/133:57 pm -
1 stop16h 22m
Tue 11/1712:15 pm -
1 stop11h 01m
Deal found 10/30![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/204:50 pm -
1 stop15h 40m
Mon 11/239:25 am -
1 stop13h 32m
Deal found 10/30![Frontier logo]()
$265
This CheapOair deal was found by Cheapflights users on 10/31. 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 11/244:39 pm -
1 stop17h 32m
Thu 11/2611:06 am -
1 stop20h 56m
Deal found 10/31![Frontier logo]()
$268
This CheapOair deal was found by Cheapflights users on 11/2. 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 11/254:50 pm -
1 stop15h 40m
Mon 11/3011:06 am -
1 stop13h 47m
Deal found 11/2![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 11/1. 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 12/39:59 pm -
1 stop12h 12m
Sun 12/1311:34 am -
1 stop12h 06m
Deal found 11/1![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 11/2. 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.
Fri 12/49:58 pm -
1 stop12h 15m
Mon 12/711:34 am -
1 stop9h 33m
Deal found 11/2![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 11/3. 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 12/1710:20 pm -
1 stop11h 10m
Sun 12/2010:25 am -
1 stop21h 37m
Deal found 11/3![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 11/1. 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 12/189:29 am -
Nonstop1h 21m
Tue 1/1910:24 am -
1 stop12h 51m
Deal found 11/1![Multiple Airlines logo]()
$264
This Frontier deal was found by Cheapflights users on 11/2. 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.
Fri 12/1810:20 pm -
1 stop11h 10m
Sun 1/1010:01 am -
1 stop12h 02m
Deal found 11/2![Frontier logo]()
$275
This Frontier deal was found by Cheapflights users on 11/3. 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 12/1910:20 pm -
1 stop11h 10m
Tue 12/2910:25 am -
1 stop8h 39m
Deal found 11/3![Frontier logo]()
$276
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:17 am -
1 stop24h 52m
Sun 1/178:37 am -
1 stop11h 25m
Deal found 11/2![Frontier logo]()
$267
One-way flights from Philadelphia to BostonSearch for one-way flight options from Philadelphia to Boston. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Philadelphia to Boston. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Frontier deal was found by Cheapflights users on 11/1. 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.
Fri 12/1810:20 pm -
1 stop11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 11/1. 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.
Sun 11/226:10 am -
1 stop26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 11/2. 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.
Sun 12/2010:20 pm -
1 stop11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/128:40 am -
2 stops25h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$147
This CheapOair deal was found by Cheapflights users on 11/1. 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 11/195:45 pm -
1 stop16h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$149
This CheapOair deal was found by Cheapflights users on 11/1. 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 12/1012:17 pm -
1 stop21h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$151
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/209:29 am -
Nonstop1h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![JetBlue logo]()
$152
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Fri 12/187:55 pm -
Nonstop1h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/133:57 pm -
1 stop16h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Allegiant Air logo]()
$155
Find flight deals from Philadelphia to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Boston (BOS). 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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $264 (CheapOair) |
One-way from | $141 (Frontier) |
Popular in | October |
Cheapest in | January |
Average price | $296 |
Good round-trip deal | $315 or less |
Good one-way deal | $167 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Boston 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 November 4, 2026.
Use the filters below to find and compare flights from Philadelphia to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Sat 12/26
6:00 am-7:34 am
Nonstop1h 34m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Wed 11/25
6:00 am-7:31 am
Nonstop1h 31m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Mon 11/23
6:00 am-10:19 am
1 stop4h 19m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$171
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Tue 12/15
4:35 pm-6:05 pm
Nonstop1h 30m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Mon 11/16
1:25 pm-9:45 pm
1 stop8h 20m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Fri 11/20
6:00 am-7:31 am
Nonstop1h 31m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$216
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Mon 11/30
7:40 pm-11:59 pm
1 stop4h 19m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$244
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Sat 11/28
6:00 am-7:31 am
Nonstop1h 31m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$274
Quickest round-trip
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Mon 11/30
7:45 pm-9:09 pm
Nonstop1h 24m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$283
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Sun 11/15
11:40 am-6:50 pm
1 stop7h 10m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$288
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Boston
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 Philadelphia to Boston in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Boston 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 Philadelphia-Boston 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 Philadelphia to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Philadelphia with our price prediction graph.
PHL-BOS
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 Boston
Prices
Airlines
Delays
How far ahead should I book a flight from Philadelphia to Boston?
To ensure you get the cheapest price possible for a flight from Philadelphia to Boston, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Philadelphia to Boston?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Boston (average of $192). Flying from Philadelphia to Boston in October 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 PHL to BOS?
Find hourly flight availability from Philadelphia to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2026.
It’s typically best to fly out from Philadelphia to Boston in the morning. Doing so could potentially save you 58% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Philadelphia to Boston?
Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Boston. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Philadelphia to Boston flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Philadelphia to Boston delayed?
About 17% of weekly flights between Philadelphia and Boston have experienced delays in the past year, with the average delay time being 129 minutes.
What is the most punctual flight time for Philadelphia to Boston 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 Philadelphia to Boston flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 15% of flights being delayed.
The best insider tips for Philadelphia to Boston 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 Philadelphia to Boston trip
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Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated November 4, 2026.
See what other customers who have flown with Delta,JetBlue, andAmerican Airlines from Philadelphia to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Boarding
8.1
Comfort
7.8
Overall
7.8
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentSalvador,Aug 2026
PHL - DTW
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Boston. 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 Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Warwick
Pawtucket
Peabody
Fitchburg
Londonderry
York Beach
Revere
North Falmouth
Chelsea
Swansea
Braintree
Auburn
Sandwich
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Other flights to Boston
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Philadelphia and Boston flights
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Other flights from Philadelphia
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Top 4 airlines flying from Philadelphia to Boston
Discover the top 4 airlines that operate flights from Philadelphia to Boston. 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 November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$113 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$229 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$116 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$161 | Average$318 | FlexibilityNo cancel fee | On-time71% |