$128+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHL
Nov 25 — Dec 21
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 October 26, 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 October 26, 2026.
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:39 pm -
1 stop7h 41m
Sun 11/2210:07 pm -
1 stop12h 04m
Deal found 10/21![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 10/22. 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 11/209:25 am -
1 stop13h 32m
Sun 11/224:39 pm -
1 stop17h 32m
Deal found 10/22![Frontier logo]()
$257
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/2610:20 am -
1 stop28h 38m
Fri 11/274:25 pm -
Nonstop1h 31m
Deal found 10/23![American Airlines logo]()
$258
This Frontier deal was found by Cheapflights users on 10/24. 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 stop7h 41m
Mon 11/2310:07 pm -
1 stop12h 04m
Deal found 10/24![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 10/23. 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.
Tue 11/1712:15 pm -
1 stop11h 01m
Sat 11/2110:07 pm -
1 stop12h 04m
Deal found 10/23![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 10/22. 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 11/1411:27 am -
1 stop6h 52m
Sat 11/217:45 pm -
Nonstop1h 24m
Deal found 10/22![Multiple Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 10/23. 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.
Tue 12/17:10 am -
1 stop7h 05m
Wed 12/211:45 am -
1 stop10h 00m
Deal found 10/23![Southwest logo]()
$263
This Trip.com deal was found by Cheapflights users on 10/22. 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.
Thu 11/1912:39 pm -
1 stop7h 41m
Thu 11/269:59 am -
1 stop22h 31m
Deal found 10/22![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 10/21. 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 CheapOair 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 11/229:10 am -
Nonstop1h 20m
Deal found 10/21![Multiple Airlines logo]()
$267
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 October 26, 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 October 26, 2026.
This Southwest deal was found by Cheapflights users on 10/23. 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.
Tue 12/17:10 am -
1 stop7h 05m
Wed 12/27:30 am -
1 stop8h 50m
Deal found 10/23![Southwest logo]()
$257
This JetBlue deal was found by Cheapflights users on 10/26. 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.
Thu 12/177:00 am -
Nonstop1h 39m
Sun 12/209:29 am -
Nonstop1h 21m
Deal found 10/26![JetBlue logo]()
$307
This United Airlines deal was found by Cheapflights users on 10/24. 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 12/95:45 am -
1 stop3h 57m
Thu 12/106:00 am -
1 stop4h 19m
Deal found 10/24![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/92:10 pm -
Nonstop1h 41m
Fri 11/137:48 pm -
Nonstop1h 26m
Deal found 10/25![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 10/26. 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.
Thu 11/268:40 am -
Nonstop1h 39m
Sat 11/286:00 am -
Nonstop1h 31m
Deal found 10/26![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/116:00 am -
1 stop8h 17m
Wed 11/117:40 pm -
1 stop4h 19m
Deal found 10/26![United Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 10/22. 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.
Wed 11/252:10 pm -
Nonstop1h 41m
Sat 11/286:00 am -
Nonstop1h 31m
Deal found 10/22![Delta logo]()
$456
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop4h 19m
Tue 11/1010:54 am -
2 stops13h 05m
Deal found 10/21![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 10/22. 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 12/209:30 am -
1 stop4h 43m
Thu 12/244:58 pm -
2 stops21h 27m
Deal found 10/22![United Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 10/23. 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 -
2 stops12h 17m
Sun 11/156:00 am -
1 stop4h 19m
Deal found 10/23![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/253:01 pm -
1 stop8h 11m
Mon 11/307:40 pm -
1 stop14h 39m
Deal found 10/26![United Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/246:00 am -
2 stops8h 16m
Fri 11/276:00 am -
1 stop4h 19m
Deal found 10/24![United Airlines logo]()
$617
Last-minute flights from Boston to PhiladelphiaDiscover last-minute flight deals from Boston to Philadelphia. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Philadelphia. Data last updated October 26, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/22. 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 11/1411:27 am -
1 stop6h 52m
Sat 11/217:45 pm -
Nonstop1h 24m
Deal found 10/22![Multiple Airlines logo]()
$261
This Frontier deal was found by Cheapflights users on 10/23. 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.
Tue 11/1712:15 pm -
1 stop11h 01m
Sat 11/2110:07 pm -
1 stop12h 04m
Deal found 10/23![Frontier logo]()
$260
This AirNGo deal was found by Cheapflights users on 10/21. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:39 pm -
1 stop7h 41m
Sun 11/2210:07 pm -
1 stop12h 04m
Deal found 10/21![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 10/24. 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 stop7h 41m
Mon 11/2310:07 pm -
1 stop12h 04m
Deal found 10/24![Frontier logo]()
$259
This Trip.com deal was found by Cheapflights users on 10/22. 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.
Thu 11/1912:39 pm -
1 stop7h 41m
Thu 11/269:59 am -
1 stop22h 31m
Deal found 10/22![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 10/22. 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 11/195:15 pm -
Nonstop1h 39m
Sat 11/216:10 am -
1 stop26h 20m
Deal found 10/22![Multiple Airlines logo]()
$267
This Frontier deal was found by Cheapflights users on 10/22. 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 11/209:25 am -
1 stop13h 32m
Sun 11/224:39 pm -
1 stop17h 32m
Deal found 10/22![Frontier logo]()
$257
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/2610:20 am -
1 stop28h 38m
Fri 11/274:25 pm -
Nonstop1h 31m
Deal found 10/23![American Airlines logo]()
$258
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 October 26, 2026.
Search for one-way flight options from Boston to Philadelphia. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This CheapOair deal was found by Cheapflights users on 10/26. 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 11/219:25 am -
1 stop24h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 10/24. 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.
Mon 12/2110:28 am -
1 stop21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 10/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:25 am -
1 stop13h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:06 am -
1 stop13h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 12/711:08 am -
2 stops12h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 10/21. 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 Super.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 10/21![Frontier logo]()
$138
This CheapOair deal was found by Cheapflights users on 10/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:06 am -
1 stop20h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 10/22. 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 12/411:08 am -
1 stop9h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$140
This Southwest deal was found by Cheapflights users on 10/22. 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.
Tue 12/17:10 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$141
This Super.com deal was found by Cheapflights users on 10/22. 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 11/412:39 pm -
1 stop10h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$144
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (Frontier) |
One-way from | $128 (CheapOair) |
Popular in | October |
Cheapest in | January |
Average price | $314 |
Good round-trip deal | $321 or less |
Good one-way deal | $162 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 October 26, 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
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Tue 12/8
2:10 pm-3:52 pm
Nonstop1h 42m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$164
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Tue 12/1
7:10 am-2:15 pm
1 stop7h 05m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$169
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Tue 12/1
2:10 pm-3:52 pm
Nonstop1h 42m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$174
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Thu 12/10
6:40 am-8:22 am
Nonstop1h 42m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$178
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Sun 11/29
5:10 pm-6:57 pm
Nonstop1h 47m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$178
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Tue 12/1
5:45 am-9:42 am
1 stop3h 57m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Wed 11/25
10:25 pm-10:35 am
1 stop12h 10m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Tue 12/1
7:10 am-2:15 pm
1 stop7h 05m
Philadelphia
Wed 12/2
7:30 am-4:20 pm
1 stop8h 50m
$257
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Fri 11/6
11:55 am-5:47 pm
1 stop5h 52m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$275
Quickest round-trip
BostonPhiladelphia
BOS Boston Logan Intl - PHL Philadelphia
BOSPHL
Boston Logan Intl
Thu 11/26
8:40 am-10:19 am
Nonstop1h 39m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Showing 1-10 of 24 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 October.
| 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 $229). Flying from Boston to Philadelphia in October is currently the most expensive (average of $314). 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 October 26, 2026.
It’s optimal to fly from Boston to Philadelphia in the evening. By choosing this option you can save up to 13% 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 October 24, 2026.
Travelers seeking maximum savings on their Boston to Philadelphia flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon 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 15% 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 October 26, 2026.
Read through reviews of airlines operating flights from Boston to Philadelphia, such as Delta,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Boarding
8.1
Food
7.2
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
King of Prussia
Reading
Camden
Dover
Ocean City
Wildwood Crest
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Milford
Ephrata
Elkton
Essington
New Castle
Willow Grove
Glen Mills
Vineland
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Boston and Philadelphia flights
Browse other Boston and Philadelphia flight options. Last updated on October 26, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on October 26, 2026.
Other flights to Philadelphia
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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 October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$39 | Average$143 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$101 | Average$251 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$115 | Average$254 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$315 | FlexibilityNo cancel fee | On-time71% |