$122+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOS
Nov 10 — Nov 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 55 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 October 11, 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 October 11, 2026.
This Frontier deal was found by Cheapflights users on 10/6. 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 12/29:58 pm -
1 stop12h 13m
Fri 12/411:08 am -
1 stop11h 45m
Deal found 10/6![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 10/10. 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.
Thu 12/39:58 pm -
1 stop12h 13m
Sun 12/611:34 am -
1 stop11h 31m
Deal found 10/10![Frontier logo]()
$246
This KAYAK deal was found by Cheapflights users on 10/7. 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 10/137:19 pm -
Nonstop2h 11m
Thu 10/159:12 pm -
Nonstop1h 33m
Deal found 10/7![JetBlue logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Sun 11/112:12 pm -
1 stop22h 57m
Wed 11/412:39 pm -
1 stop10h 37m
Deal found 10/9![Multiple Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 10/6. 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 12/111:45 am -
1 stop10h 00m
Fri 12/412:50 pm -
1 stop8h 30m
Deal found 10/6![Southwest logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/1812:39 pm -
1 stop10h 37m
Deal found 10/8![Multiple Airlines logo]()
$260
This CheapOair deal was found by Cheapflights users on 10/10. 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.
Fri 11/2010:07 pm -
1 stop12h 04m
Sun 11/2211:06 am -
1 stop20h 56m
Deal found 10/10![Frontier logo]()
$263
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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.
Wed 11/256:10 am -
1 stop26h 20m
Fri 12/411:34 am -
1 stop11h 31m
Deal found 10/6![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 10/6. 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 10/215:45 pm -
1 stop17h 17m
Mon 10/2612:57 pm -
1 stop10h 14m
Deal found 10/6![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:52 pm -
1 stop17h 50m
Thu 11/1212:39 pm -
1 stop11h 09m
Deal found 10/10![Multiple Airlines logo]()
$267
This Frontier deal was found by Cheapflights users on 10/10. 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.
Fri 12/119:58 pm -
1 stop12h 15m
Sun 12/1311:34 am -
1 stop11h 31m
Deal found 10/10![Frontier logo]()
$271
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 October 11, 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 October 11, 2026.
This Delta deal was found by Cheapflights users on 10/10. 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.
Tue 11/249:00 am -
Nonstop1h 26m
Fri 11/275:25 pm -
Nonstop1h 47m
Deal found 10/10![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 10/6. 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 10/307:40 pm -
1 stop4h 19m
Sun 11/15:30 am -
1 stop4h 19m
Deal found 10/6![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 10/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:25 pm -
1 stop9h 05m
Thu 11/54:20 pm -
1 stop6h 00m
Deal found 10/10![Southwest logo]()
$340
This KAYAK deal was found by Cheapflights users on 10/8. 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 10/2712:50 pm -
Nonstop1h 40m
Wed 10/2810:28 am -
1 stop4h 09m
Deal found 10/8![American Airlines logo]()
$415
This JetBlue deal was found by Cheapflights users on 10/10. 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.
Tue 11/107:00 am -
Nonstop1h 20m
Sat 11/1411:05 am -
1 stop10h 37m
Deal found 10/10![JetBlue logo]()
$454
This Delta deal was found by Cheapflights users on 10/7. 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 10/226:00 am -
Nonstop1h 26m
Sun 10/257:25 am -
Nonstop1h 44m
Deal found 10/7![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 10/8. 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 11/146:00 am -
1 stop4h 19m
Mon 11/167:41 pm -
1 stop3h 49m
Deal found 10/8![United Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 10/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:50 pm -
1 stop8h 15m
Mon 11/167:10 am -
1 stop7h 05m
Deal found 10/10![Southwest logo]()
$356
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Wed 11/47:40 pm -
1 stop4h 19m
Sun 11/85:30 am -
1 stop4h 19m
Deal found 10/9![United Airlines logo]()
$343
This KAYAK deal was found by Cheapflights users on 10/7. 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.
Mon 10/268:15 pm -
Nonstop1h 34m
Tue 10/278:22 am -
1 stop6h 15m
Deal found 10/7![American Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 10/6. 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 11/33:05 pm -
1 stop3h 52m
Tue 11/107:41 pm -
1 stop3h 50m
Deal found 10/6![United Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 10/8. 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 11/204:59 pm -
1 stop7h 47m
Sat 11/211:29 pm -
1 stop8h 05m
Deal found 10/8![United Airlines logo]()
$425
Last-minute flights from Philadelphia to BostonDiscover last-minute flight deals from Philadelphia to Boston. Data last updated October 11, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Boston. Data last updated October 11, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 10/7. 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 10/137:19 pm -
Nonstop2h 11m
Thu 10/159:12 pm -
Nonstop1h 33m
Deal found 10/7![JetBlue logo]()
$249
This CheapOair deal was found by Cheapflights users on 10/7. 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 10/215:45 pm -
1 stop17h 17m
Sat 10/2411:42 am -
1 stop6h 33m
Deal found 10/7![Frontier logo]()
$256
This CheapOair deal was found by Cheapflights users on 10/6. 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 10/215:45 pm -
1 stop17h 17m
Mon 10/2612:57 pm -
1 stop10h 14m
Deal found 10/6![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 10/7. 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 10/2110:22 am -
Nonstop1h 22m
Sat 10/2411:42 am -
1 stop6h 33m
Deal found 10/7![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Sun 10/2512:12 pm -
1 stop22h 50m
Tue 10/2711:12 am -
1 stop7h 07m
Deal found 10/6![Multiple Airlines logo]()
$272
This Expedia deal was found by Cheapflights users on 10/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:35 pm -
Nonstop1h 50m
Sat 10/3111:27 am -
1 stop6h 52m
Deal found 10/8![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Sun 11/112:12 pm -
1 stop22h 57m
Wed 11/412:39 pm -
1 stop10h 37m
Deal found 10/9![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:52 pm -
1 stop17h 50m
Thu 11/1212:39 pm -
1 stop11h 09m
Deal found 10/10![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/1812:39 pm -
1 stop10h 37m
Deal found 10/8![Multiple Airlines logo]()
$260
This CheapOair deal was found by Cheapflights users on 10/10. 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.
Fri 11/2010:07 pm -
1 stop12h 04m
Sun 11/2211:06 am -
1 stop20h 56m
Deal found 10/10![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 10/9. 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.
Sun 11/2210:07 pm -
1 stop12h 04m
Thu 11/2611:06 am -
1 stop11h 55m
Deal found 10/9![Frontier logo]()
$246
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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.
Wed 11/256:10 am -
1 stop26h 20m
Fri 12/411:34 am -
1 stop11h 31m
Deal found 10/6![Frontier logo]()
$264
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 October 11, 2026.
Search for one-way flight options from Philadelphia to Boston. Find affordable one-way fares based on user searches. Data last updated October 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 11/226:10 am -
1 stop26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$122
This KAYAK deal was found by Cheapflights users on 10/8. 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.
Wed 10/147:19 pm -
Nonstop2h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![JetBlue logo]()
$125
This CheapOair deal was found by Cheapflights users on 10/10. 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.
Mon 11/234:50 pm -
1 stop15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 10/6![Allegiant Air logo]()
$128
This CheapOair deal was found by Cheapflights users on 10/8. 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 10/243:26 pm -
1 stop19h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:32 am -
2 stops22h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$130
This Frontier deal was found by Cheapflights users on 10/8. 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 12/209:29 pm -
1 stop13h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 10/10. 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.
Fri 11/2010:07 pm -
1 stop12h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 12/54:38 pm -
2 stops17h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$136
This Southwest deal was found by Cheapflights users on 10/7. 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.
Fri 11/61:50 pm -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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.
Wed 11/256:10 am -
1 stop26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$143
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 October 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $243 (Frontier) |
One-way from | $122 (Cheapflightsfares) |
Popular in | October |
Cheapest in | January |
Average price | $297 |
Good round-trip deal | $295 or less |
Good one-way deal | $163 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 October 11, 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 11/28
6:00 am-7:31 am
Nonstop1h 31m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Sat 11/7
10:27 am-12:00 pm
Nonstop1h 33m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Sun 12/6
6:00 am-7:34 am
Nonstop1h 34m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Mon 1/4
5:38 pm-7:10 pm
Nonstop1h 32m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
Quickest round-trip
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Thu 11/19
12:25 pm-1:55 pm
Nonstop1h 30m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Mon 10/26
4:29 pm-6:05 pm
Nonstop1h 36m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Wed 11/18
1:25 pm-9:45 pm
1 stop8h 20m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Fri 12/25
7:37 pm-11:59 pm
1 stop4h 22m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Wed 11/25
2:15 pm-10:25 pm
1 stop8h 10m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$168
PhiladelphiaBoston
PHL Philadelphia - BOS Boston Logan Intl
PHLBOS
Philadelphia
Fri 10/23
10:40 am-4:59 pm
1 stop6h 19m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$180
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 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | 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 $188). Flying from Philadelphia to Boston in October is currently the most expensive (average of $297). 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 October 11, 2026.
It’s typically best to fly out from Philadelphia to Boston in the morning. Doing so could potentially save you 59% 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 3, 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
Our travel experts
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 October 11, 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.
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodColin,Sep 2024
LHR - BOS
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
Auburn
Londonderry
York Beach
Revere
Fitchburg
North Falmouth
Chelsea
Swansea
Braintree
Sandwich
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Philadelphia
Popular flights
Alternative routes for Philadelphia to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 11, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Philadelphia to Boston by cabin class
Find flights from Philadelphia to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Boston flights
Browse other Philadelphia and Boston flight options. Last updated on October 11, 2026.
Other flights from Philadelphia
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on October 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 October 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$39 | Average$107 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$95 | Average$220 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$113 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$312 | FlexibilityNo cancel fee | On-time71% |