$115+ Cheap flights from Puerto Rico to Boston (BOS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BOS
Jun 13 — Jun 201
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Puerto Rico to Boston
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Cheapest flights from Puerto Rico to BostonExplore the most affordable flight options available from Puerto Rico to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.
Explore the most affordable flight options available from Puerto Rico to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Thu 8/135:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Thu 8/206:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/10![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 5/10. 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 8/205:15 pm
SJU
- BOS
1 stop14h 37m
Frontier
Tue 8/256:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/10![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Tue 8/115:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Thu 8/206:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/10![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 7/85:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Sat 7/1811:05 am
BOS
- SJU
1 stop20h 52m
Frontier
Deal found 5/10![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Sun 8/306:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/12![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Thu 8/206:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/13![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Tue 9/16:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/12![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:15 pm
SJU
- BOS
1 stop14h 37m
Frontier
Sun 8/236:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/12![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 8/105:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Thu 8/206:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/10![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Thu 7/95:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Sat 7/1811:05 am
BOS
- SJU
1 stop20h 52m
Frontier
Deal found 5/10![Frontier logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Sun 9/66:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/11![Frontier logo]()
$272
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:58 am
PSE
- BOS
1 stop24h 11m
Frontier
Thu 9/1711:05 am
BOS
- PSE
1 stop21h 58m
Frontier
Deal found 5/12![Frontier logo]()
$296
Best flights from Puerto Rico to BostonDiscover carefully curated flight deals from Puerto Rico to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 14, 2026.
Discover carefully curated flight deals from Puerto Rico to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 14, 2026.
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:58 am
PSE
- BOS
1 stop24h 11m
Frontier
Thu 9/1711:05 am
BOS
- PSE
1 stop21h 58m
Frontier
Deal found 5/12![Frontier logo]()
$296
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Sun 6/78:50 am
BOS
- SJU
Nonstop4h 04m
Delta
Deal found 5/13![Delta logo]()
$303
This FlightHub deal was found by Cheapflights users on 5/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:15 am
BQN
- BOS
1 stop8h 45m
JetBlue
Sun 10/257:45 am
BOS
- BQN
1 stop16h 48m
JetBlue
Deal found 5/9![JetBlue logo]()
$430
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:50 am
SJU
- BOS
2 stops18h 00m
Southwest
Mon 5/255:30 am
BOS
- SJU
1 stop6h 40m
Southwest
Deal found 5/13![Southwest logo]()
$453
This Orbitz deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:01 am
BQN
- BOS
2 stops12h 14m
Multiple Airlines
Sun 7/2611:05 am
BOS
- BQN
1 stop15h 00m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 5/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Tue 6/98:15 am
BOS
- BQN
2 stops14h 54m
United Airlines
Deal found 5/10![United Airlines logo]()
$640
This CheapOair deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:37 am
PSE
- BOS
1 stop23h 32m
Frontier
Thu 9/1711:05 am
BOS
- PSE
1 stop21h 58m
Frontier
Deal found 5/13![Frontier logo]()
$336
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Mon 6/18:50 am
BOS
- SJU
Nonstop3h 59m
Delta
Deal found 5/13![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Tue 6/28:50 am
BOS
- SJU
Nonstop3h 59m
Delta
Deal found 5/13![Delta logo]()
$343
This CheapOair deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Mon 7/2011:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Deal found 5/13![Frontier logo]()
$356
This Delta deal was found by Cheapflights users on 5/10. 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 8/42:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Thu 8/69:05 am
BOS
- SJU
1 stop7h 28m
Delta
Deal found 5/10![Delta logo]()
$365
This CheapOair deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Sat 7/2511:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Deal found 5/13![Frontier logo]()
$376
This FlightHub deal was found by Cheapflights users on 5/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:20 pm
BQN
- BOS
1 stop7h 26m
JetBlue
Wed 11/48:00 am
BOS
- BQN
2 stops16h 33m
JetBlue
Deal found 5/10![JetBlue logo]()
$494
This Delta deal was found by Cheapflights users on 5/10. 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 8/112:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Sun 8/238:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 5/10![Delta logo]()
$379
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Sun 7/1211:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Deal found 5/11![Frontier logo]()
$381
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Mon 5/255:40 am
BOS
- SJU
1 stop7h 40m
Delta
Deal found 5/12![Delta logo]()
$388
This CheapOair deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/83:12 pm
BQN
- BOS
1 stop8h 15m
JetBlue
Mon 6/158:14 pm
BOS
- BQN
1 stop11h 44m
JetBlue
Deal found 5/9![JetBlue logo]()
$545
This CheapOair deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Sun 7/2611:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Deal found 5/13![Frontier logo]()
$431
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:30 am
BQN
- BOS
1 stop7h 42m
JetBlue
Thu 6/48:30 pm
BOS
- BQN
1 stop6h 27m
JetBlue
Deal found 5/10![JetBlue logo]()
$556
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Sat 8/88:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 5/11![Delta logo]()
$424
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Sat 8/2211:05 am
BOS
- PSE
1 stop22h 47m
Frontier
Deal found 5/11![Frontier logo]()
$443
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:05 pm
SJU
- BOS
Nonstop4h 09m
Delta
Tue 7/148:50 am
BOS
- SJU
Nonstop4h 03m
Delta
Deal found 5/9![Delta logo]()
$424
This JetBlue deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:17 pm
BQN
- BOS
1 stop8h 10m
JetBlue
Wed 6/36:40 pm
BOS
- BQN
1 stop8h 17m
JetBlue
Deal found 5/12![JetBlue logo]()
$572
This CheapOair deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:27 am
PSE
- BOS
1 stop23h 42m
Frontier
Thu 7/911:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Deal found 5/13![Frontier logo]()
$456
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:56 pm
SJU
- BOS
1 stop8h 04m
Delta
Sat 8/88:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 5/9![Delta logo]()
$429
This SmartFares deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:33 pm
BQN
- BOS
1 stop15h 31m
JetBlue
Mon 6/2912:42 pm
BOS
- BQN
1 stop8h 25m
JetBlue
Deal found 5/11![JetBlue logo]()
$619
This Expedia deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:00 am
BQN
- BOS
1 stop7h 09m
Frontier
Sat 7/2511:05 am
BOS
- BQN
1 stop24h 29m
Frontier
Deal found 5/13![Frontier logo]()
$483
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:05 pm
SJU
- BOS
Nonstop4h 09m
Delta
Tue 7/148:50 am
BOS
- SJU
Nonstop4h 03m
Delta
Deal found 5/13![Delta logo]()
$465
This JetBlue deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:05 pm
CPX
- BOS
1 stop5h 55m
JetBlue
Mon 8/176:00 am
BOS
- CPX
1 stop9h 19m
JetBlue
Deal found 5/13![JetBlue logo]()
$656
This JetBlue deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:18 pm
VQS
- BOS
1 stop5h 42m
JetBlue
Wed 8/129:59 am
BOS
- VQS
1 stop8h 31m
JetBlue
Deal found 5/13![JetBlue logo]()
$707
Last-minute flights from Puerto Rico to BostonDiscover last-minute flight deals from Puerto Rico to Boston. Data last updated May 14, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Boston. Data last updated May 14, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Wed 5/2712:16 pm
BOS
- SJU
Nonstop4h 04m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$322
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Sun 5/315:40 pm
BOS
- SJU
Nonstop4h 02m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$315
This Expedia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:00 am
SJU
- BOS
1 stop26h 06m
Multiple Airlines
Sun 5/315:40 pm
BOS
- SJU
Nonstop4h 02m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$316
This SmartFares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:01 am
SJU
- BOS
Nonstop4h 15m
JetBlue
Sun 5/315:40 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Deal found 5/13![JetBlue logo]()
$288
This Cheapflightsfares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:01 am
SJU
- BOS
Nonstop4h 15m
JetBlue
Tue 6/212:35 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Deal found 5/13![JetBlue logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:01 am
SJU
- BOS
Nonstop4h 15m
JetBlue
Fri 5/295:40 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Deal found 5/13![JetBlue logo]()
$313
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:00 am
SJU
- BOS
1 stop26h 06m
Multiple Airlines
Sat 6/66:10 pm
BOS
- SJU
Nonstop4h 02m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$318
This Priceline deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Sun 6/75:40 pm
BOS
- SJU
Nonstop4h 02m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Sun 6/78:50 am
BOS
- SJU
Nonstop4h 04m
Delta
Deal found 5/13![Delta logo]()
$303
This Priceline deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:15 pm
SJU
- BOS
1 stop14h 34m
Multiple Airlines
Sun 6/75:40 pm
BOS
- SJU
Nonstop4h 02m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Sun 6/76:06 am
BOS
- SJU
1 stop10h 23m
Delta
Deal found 5/12![Delta logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Thu 7/1611:05 am
BOS
- SJU
1 stop15h 06m
Frontier
Deal found 5/13![Frontier logo]()
$323
One-way flights from Puerto Rico to BostonSearch for one-way flight options from Puerto Rico to Boston. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
Search for one-way flight options from Puerto Rico to Boston. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
This Super.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/12![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Deal found 5/9![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 8/125:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Deal found 5/14![Frontier logo]()
$126
This Trip.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Deal found 5/13![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Deal found 5/13![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:00 am
SJU
- BOS
1 stop26h 06m
Frontier
Deal found 5/12![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Deal found 5/11![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Deal found 5/12![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Deal found 5/11![Frontier logo]()
$144
This SmartFares deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am
BQN
- BOS
1 stop8h 40m
JetBlue
Deal found 5/11![JetBlue logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:15 am
BQN
- BOS
1 stop8h 45m
JetBlue
Deal found 5/10![JetBlue logo]()
$176
This CheapOair deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:42 am
PSE
- BOS
1 stop22h 27m
Frontier
Deal found 5/11![Frontier logo]()
$181
Find flight deals from Puerto Rico to Boston
Keep the following information in mind while searching for Puerto Rico to Boston flight deals. Data was last updated May 14, 2026.
Round-trip from | $240 (Kiwi.com) |
|---|---|
One-way from | $115 (Super.com) |
Popular in | May |
Cheapest in | February |
Average price | $328 |
Good round-trip deal | $314 or less |
Good one-way deal | $186 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico 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 2,558,603 searches. Data last updated May 14, 2026.
Use the filters below to find and compare flights from Puerto Rico to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PonceBoston
PSE - BOS
PSEBOS
Ponce Mercedita
Thu 9/10
9:58 am-10:09 am
1 stop24h 11m
Boston Logan Intl
Thu 9/17
11:05 am-9:03 am
1 stop21h 58m
$296
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 6/4
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Sun 6/7
8:50 am-12:54 pm
Nonstop4h 04m
$303
PonceBoston
PSE - BOS
PSEBOS
Ponce Mercedita
Thu 8/27
10:37 am-10:09 am
1 stop23h 32m
Boston Logan Intl
Thu 9/17
11:05 am-9:03 am
1 stop21h 58m
$336
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 5/28
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Mon 6/1
8:50 am-12:49 pm
Nonstop3h 59m
$343
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 5/28
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Tue 6/2
8:50 am-12:49 pm
Nonstop3h 59m
$343
PonceBoston
PSE - BOS
PSEBOS
Ponce Mercedita
Mon 7/13
10:31 am-10:09 am
1 stop23h 38m
Boston Logan Intl
Mon 7/20
11:05 am-9:46 am
1 stop22h 41m
$356
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Tue 8/4
2:10 pm-6:21 pm
Nonstop4h 11m
Boston Logan Intl
Thu 8/6
9:05 am-4:33 pm
1 stop7h 28m
$365
PonceBoston
PSE - BOS
PSEBOS
Ponce Mercedita
Thu 7/23
10:31 am-10:09 am
1 stop23h 38m
Boston Logan Intl
Sat 7/25
11:05 am-9:46 am
1 stop22h 41m
$376
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Tue 8/11
2:10 pm-6:21 pm
Nonstop4h 11m
Boston Logan Intl
Sun 8/23
8:50 am-12:57 pm
Nonstop4h 07m
$379
PonceBoston
PSE - BOS
PSEBOS
Ponce Mercedita
Fri 7/10
10:31 am-10:09 am
1 stop23h 38m
Boston Logan Intl
Sun 7/12
11:05 am-9:46 am
1 stop22h 41m
$381
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Puerto Rico with our price prediction graph.
SJU-BOS
PSE-BOS
BQN-BOS
VQS-BOS
CPX-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 Puerto Rico to Boston
PR0-BOS
SJU-BOS
PSE-BOS
BQN-BOS
VQS-BOS
How far ahead should I book a flight from Puerto Rico to Boston?
The best time to book flights from Puerto Rico to Boston is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Puerto Rico to Boston?
Currently, April is the cheapest month in which you can book a flight from Puerto Rico to Boston (average of $55). Flying from Puerto Rico to Boston in December is currently the most expensive (average of $592). 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 PR to BOS?
Find hourly flight availability from Puerto Rico 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 May 14, 2026.
One of the essential ways to save on airfare from Puerto Rico to Boston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 26% on airfare.
What is the cheapest day to fly from Puerto Rico to Boston?
Use this chart to determine the cheapest time to fly round-trip from Puerto Rico to Boston. Price data was last updated on May 9, 2026.
Travelers seeking maximum savings on their Puerto Rico to Boston flight should consider departing on Saturday afternoons 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.
Weekly flight availability from Puerto Rico to Boston
Explore weekly flight availability from Puerto Rico to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 14, 2026.
The most flights from PR0 to BOS are scheduled on a Thursday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).
How often are flights from Puerto Rico to Boston delayed?
About 19% of weekly flights between Puerto Rico and Boston have experienced delays in the past year, with the average delay time being 161 minutes.
What is the most punctual flight time for Puerto Rico to Boston flights?
Historically, flights departing at night 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?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Puerto Rico to Boston flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 12% of flights being delayed.
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 May 14, 2026.
See what other customers who have flown with Delta,JetBlue, andSpirit Airlines from Puerto Rico 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.
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico 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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
York Beach
Seabrook
Londonderry
Swansea
Old Orchard Beach
Auburn
Quincy
Lowell
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
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Alternative routes for Puerto Rico 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 May 14, 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 Puerto Rico to Boston by cabin class
Find flights from Puerto Rico to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Puerto Rico and Boston flights
Browse other Puerto Rico and Boston flight options. Last updated on May 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Puerto Rico to Boston
Discover the top 4 airlines that operate flights from Puerto Rico 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 2,558,603 searches. Data last updated May 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$86 | Average$192 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$95 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$126 | Average$287 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$144 | Average$400 | FlexibilityNo cancel fee | On-time62% |