$158+ Cheap flights from Boston (BOS) to Puerto Rico
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Puerto Rico 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.Cheap flight deals from Boston to Puerto Rico
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Cheapest flights from Boston to Puerto RicoExplore the most affordable flight options available from Boston to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Boston to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Sat 10/1710:19 am -
1 stop11h 36m
Sat 12/56:25 am -
1 stop28h 16m
Deal found 9/23![Multiple Airlines logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 12/1211:34 am -
1 stop12h 33m
Fri 12/188:20 am -
Nonstop4h 19m
Deal found 9/28![Frontier logo]()
$296
This Super.com deal was found by Cheapflights users on 9/27. 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.
Mon 12/1411:34 am -
1 stop12h 33m
Fri 12/188:20 am -
Nonstop4h 19m
Deal found 9/27![Frontier logo]()
$297
This Super.com deal was found by Cheapflights users on 9/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:34 am -
1 stop12h 33m
Thu 12/177:43 pm -
1 stop16h 19m
Deal found 9/25![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/1512:34 pm -
1 stop23h 51m
Wed 12/26:25 am -
1 stop28h 14m
Deal found 9/27![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Sat 10/1710:19 am -
1 stop11h 36m
Wed 12/27:25 am -
1 stop27h 14m
Deal found 9/23![Multiple Airlines logo]()
$300
This CheapOair deal was found by Cheapflights users on 9/24. 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.
Fri 12/1111:08 am -
1 stop14h 05m
Fri 12/188:20 am -
Nonstop4h 19m
Deal found 9/24![Frontier logo]()
$302
This FlightHub deal was found by Cheapflights users on 9/27. 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.
Mon 12/1411:34 am -
1 stop12h 33m
Thu 12/177:43 pm -
1 stop16h 19m
Deal found 9/27![Frontier logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:19 am -
1 stop11h 36m
Fri 10/237:00 am -
1 stop26h 29m
Deal found 9/26![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:39 pm -
1 stop11h 20m
Wed 11/118:45 am -
1 stop27h 59m
Deal found 9/25![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Sat 10/1710:19 am -
1 stop11h 36m
Wed 12/23:43 am -
1 stop7h 28m
Deal found 9/23![Multiple Airlines logo]()
$310
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:08 am -
1 stop26h 06m
Sun 12/63:47 am -
1 stop7h 26m
Deal found 9/24![Frontier logo]()
$332
Best flights from Boston to Puerto RicoDiscover carefully curated flight deals from Boston to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Boston to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This JetBlue deal was found by Cheapflights users on 9/28. 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 11/192:30 pm -
Nonstop4h 05m
Thu 11/265:01 am -
Nonstop4h 12m
Deal found 9/28![JetBlue logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/219:30 am -
2 stops14h 20m
Sat 10/241:05 am -
1 stop6h 38m
Deal found 9/24![United Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 9/25. 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.
Thu 12/38:35 am -
Nonstop4h 07m
Tue 12/82:53 pm -
Nonstop4h 22m
Deal found 9/25![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 9/23. 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.
Wed 12/22:25 pm -
2 stops9h 25m
Tue 12/86:10 am -
2 stops9h 20m
Deal found 9/23![Southwest logo]()
$376
This FlightHub deal was found by Cheapflights users on 9/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:42 pm -
1 stop14h 00m
Sun 10/181:19 pm -
1 stop21h 01m
Deal found 9/24![Multiple Airlines logo]()
$640
This United Airlines deal was found by Cheapflights users on 9/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
1 stop6h 32m
Thu 11/198:25 am -
1 stop11h 49m
Deal found 9/25![United Airlines logo]()
$336
This CheapOair deal was found by Cheapflights users on 9/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:06 am -
1 stop26h 28m
Sun 11/293:29 pm -
1 stop19h 42m
Deal found 9/23![Frontier logo]()
$700
This JetBlue deal was found by Cheapflights users on 9/27. 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 11/128:08 pm -
Nonstop4h 05m
Tue 11/177:00 am -
Nonstop4h 13m
Deal found 9/27![JetBlue logo]()
$367
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 10/245:45 am -
1 stop6h 49m
Tue 10/277:25 am -
2 stops11h 32m
Deal found 9/23![United Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 9/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:50 am -
Nonstop4h 02m
Tue 10/201:15 pm -
1 stop9h 53m
Deal found 9/24![Delta logo]()
$382
This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:25 pm -
2 stops9h 35m
Tue 11/176:10 am -
2 stops9h 20m
Deal found 9/27![Southwest logo]()
$398
This Delta deal was found by Cheapflights users on 9/26. 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.
Tue 10/138:50 am -
Nonstop4h 02m
Wed 10/282:02 pm -
Nonstop4h 13m
Deal found 9/26![Delta logo]()
$400
This JetBlue deal was found by Cheapflights users on 9/26. 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.
Tue 10/273:55 pm -
1 stop8h 42m
Wed 11/47:01 am -
1 stop8h 59m
Deal found 9/26![JetBlue logo]()
$408
This JetBlue deal was found by Cheapflights users on 9/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:25 pm -
1 stop7h 12m
Tue 11/37:01 am -
1 stop8h 59m
Deal found 9/24![JetBlue logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 10/179:23 am -
2 stops14h 27m
Fri 11/138:25 am -
2 stops14h 34m
Deal found 9/23![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 10/238:05 am -
2 stops15h 04m
Sat 10/2412:09 am -
1 stop9h 09m
Deal found 9/24![United Airlines logo]()
$452
This JetBlue deal was found by Cheapflights users on 9/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:55 pm -
1 stop10h 11m
Thu 10/296:00 am -
1 stop9h 00m
Deal found 9/25![JetBlue logo]()
$476
This United Airlines deal was found by Cheapflights users on 9/26. 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 11/117:31 am -
2 stops15h 26m
Sat 11/141:09 am -
1 stop7h 34m
Deal found 9/26![United Airlines logo]()
$452
This Priceline deal was found by Cheapflights users on 9/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:42 pm -
1 stop14h 00m
Thu 10/154:36 pm -
1 stop17h 48m
Deal found 9/26![Multiple Airlines logo]()
$687
This JetBlue deal was found by Cheapflights users on 9/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:30 am -
1 stop7h 56m
Fri 10/166:04 am -
1 stop8h 25m
Deal found 9/25![JetBlue logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/299:12 am -
2 stops13h 45m
Sat 10/311:09 am -
1 stop7h 34m
Deal found 9/23![United Airlines logo]()
$464
This JetBlue deal was found by Cheapflights users on 9/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:55 pm -
1 stop10h 11m
Wed 10/2111:15 am -
1 stop10h 45m
Deal found 9/24![JetBlue logo]()
$510
This Expedia deal was found by Cheapflights users on 9/28. 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.
Fri 12/48:42 am -
1 stop7h 57m
Mon 12/77:30 am -
1 stop11h 31m
Deal found 9/28![Multiple Airlines logo]()
$757
This FlightHub deal was found by Cheapflights users on 9/27. 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 10/1411:10 am -
1 stop5h 25m
Sat 10/1710:35 am -
1 stop23h 49m
Deal found 9/27![Multiple Airlines logo]()
$782
This CheapOair deal was found by Cheapflights users on 9/27. 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 10/197:40 am -
1 stop16h 49m
Fri 10/233:20 am -
1 stop18h 57m
Deal found 9/27![JetBlue logo]()
$604
This United deal was found by Cheapflights users on 9/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:25 pm -
2 stops18h 14m
Sat 10/245:41 pm -
2 stops14h 02m
Deal found 9/23![Multiple Airlines logo]()
$804
This JetBlue deal was found by Cheapflights users on 9/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:55 pm -
1 stop8h 16m
Sun 11/15:23 am -
1 stop9h 59m
Deal found 9/23![JetBlue logo]()
$620
This JetBlue deal was found by Cheapflights users on 9/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:55 pm -
1 stop8h 16m
Sat 10/319:30 am -
1 stop9h 00m
Deal found 9/23![JetBlue logo]()
$620
This United deal was found by Cheapflights users on 9/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
2 stops11h 21m
Tue 10/135:41 pm -
2 stops16h 03m
Deal found 9/23![Multiple Airlines logo]()
$983
This JetBlue deal was found by Cheapflights users on 9/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:55 pm -
1 stop8h 16m
Fri 10/309:13 am -
1 stop9h 17m
Deal found 9/23![JetBlue logo]()
$620
Last-minute flights from Boston to Puerto RicoDiscover last-minute flight deals from Boston to Puerto Rico. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Puerto Rico. Data last updated September 28, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:36 am -
1 stop22h 38m
Wed 10/711:12 am -
1 stop23h 50m
Deal found 9/23![Frontier logo]()
$360
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:36 am -
1 stop22h 38m
Sun 10/411:08 am -
1 stop23h 43m
Deal found 9/23![Frontier logo]()
$399
This CheapOair deal was found by Cheapflights users on 9/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:26 am -
1 stop9h 22m
Fri 10/307:40 pm -
Nonstop4h 18m
Deal found 9/25![Multiple Airlines logo]()
$384
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:26 am -
1 stop30h 17m
Fri 10/93:00 am -
1 stop8h 02m
Deal found 9/23![Frontier logo]()
$396
This Cheapflightsfares deal was found by Cheapflights users on 9/27. 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 10/311:26 am -
1 stop9h 22m
Wed 10/76:42 pm -
1 stop16h 20m
Deal found 9/27![Frontier logo]()
$405
This Cheapflightsfares deal was found by Cheapflights users on 9/27. 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 10/311:26 am -
1 stop14h 26m
Sun 10/183:00 am -
1 stop8h 02m
Deal found 9/27![Frontier logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:36 am -
1 stop11h 37m
Fri 10/167:44 pm -
1 stop15h 18m
Deal found 9/25![Frontier logo]()
$397
This Cheapflightsfares deal was found by Cheapflights users on 9/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:36 am -
1 stop21h 59m
Wed 10/76:42 pm -
1 stop16h 20m
Deal found 9/25![Frontier logo]()
$413
This Justfly.com deal was found by Cheapflights users on 9/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:47 am -
1 stop22h 10m
Wed 10/2111:17 am -
1 stop23h 45m
Deal found 9/23![Frontier logo]()
$380
This Priceline deal was found by Cheapflights users on 9/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:44 pm -
1 stop19h 42m
Wed 10/282:25 pm -
1 stop10h 02m
Deal found 9/23![JetBlue logo]()
$405
This JetBlue deal was found by Cheapflights users on 9/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:30 am -
1 stop7h 49m
Wed 11/43:25 pm -
1 stop10h 02m
Deal found 9/25![JetBlue logo]()
$402
This JetBlue deal was found by Cheapflights users on 9/28. 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 10/274:10 pm -
1 stop6h 16m
Tue 11/37:01 am -
1 stop8h 59m
Deal found 9/28![JetBlue logo]()
$408
One-way flights from Boston to Puerto RicoSearch for one-way flight options from Boston to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Boston to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:19 am -
1 stop27h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:59 am -
1 stop27h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$159
This FlightHub deal was found by Cheapflights users on 9/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:06 am -
1 stop21h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$167
This Southwest deal was found by Cheapflights users on 9/27. 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 11/22:25 pm -
1 stop9h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Southwest logo]()
$168
This Super.com deal was found by Cheapflights users on 9/27. 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 12/17:00 am -
Nonstop4h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![JetBlue logo]()
$169
This Super.com deal was found by Cheapflights users on 9/28. 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 10/201:00 pm -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![JetBlue logo]()
$171
This Expedia deal was found by Cheapflights users on 9/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/911:08 am -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Frontier logo]()
$172
This Super.com deal was found by Cheapflights users on 9/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:08 pm -
Nonstop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![JetBlue logo]()
$173
This JetBlue deal was found by Cheapflights users on 9/27. 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.
Mon 10/196:55 am -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![JetBlue logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:39 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$175
This Priceline deal was found by Cheapflights users on 9/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:08 am -
1 stop26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$194
This Priceline deal was found by Cheapflights users on 9/27. 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 11/2711:06 am -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Frontier logo]()
$204
Find flight deals from Boston to Puerto Rico
Keep the following information in mind while searching for Boston to Puerto Rico flight deals. Data was last updated September 28, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $289 (Kiwi.com) |
One-way from | $158 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $323 |
Good round-trip deal | $371 or less |
Good one-way deal | $225 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Puerto Rico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
Use the filters below to find and compare flights from Boston to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Mon 10/19
6:55 am-1:58 pm
1 stop7h 03m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Thu 11/12
9:43 am-9:24 pm
1 stop10h 41m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Sat 10/24
10:36 am-11:50 pm
2 stops13h 14m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
Quickest round-trip
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Wed 11/4
8:08 pm-1:13 am
Nonstop4h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$193
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Fri 10/30
9:12 am-9:22 pm
2 stops12h 10m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$198
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Tue 10/20
1:05 pm-11:50 pm
2 stops10h 45m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$199
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Thu 12/31
12:00 pm-11:30 pm
1 stop10h 30m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
BostonAguadilla
BOS Boston Logan Intl - BQN Aguadilla Borinquen
BOSBQN
Boston Logan Intl
Mon 10/26
4:09 pm-10:26 pm
1 stop6h 17m
Aguadilla Borinquen
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Tue 1/12
9:12 am-10:22 pm
2 stops12h 10m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Wed 2/17
8:39 am-9:26 pm
1 stop11h 47m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
Showing 1-10 of 60 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Boston-Puerto Rico flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Boston-Puerto Rico flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Boston-Puerto Rico flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Puerto Rico flights, Cheapflights users trust Expedia the most. Expedia 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-Puerto Rico 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 Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Boston with our price prediction graph.
BOS-BQN
BOS-SJU
BOS-MAZ
BOS-PSE
BOS-VQS
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 Puerto Rico
BOS-PR0
BOS-BQN
BOS-SJU
BOS-MAZ
BOS-PSE
What is the cheapest month to book a flight from Boston to Puerto Rico?
Currently, January is the cheapest month in which you can book a flight from Boston to Puerto Rico (average of $282). Flying from Boston to Puerto Rico in July is currently the most expensive (average of $462). 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 PR?
Find hourly flight availability from Boston to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
One of the essential ways to save on airfare from Boston to Puerto Rico is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 14% on airfare.
Weekly flight availability from Boston to Puerto Rico
Explore weekly flight availability from Boston to Puerto Rico. 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 September 28, 2026.
The most flights from BOS to PR0 are scheduled on a Sunday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).
How often are flights from Boston to Puerto Rico delayed?
About 27% of weekly flights between Boston and Puerto Rico have experienced delays in the past year, with the average delay time being 155 minutes.
What is the most punctual flight time for Boston to Puerto Rico 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?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday 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 Puerto Rico flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 19% of flights being delayed.
How far ahead should I book a flight from Boston to Puerto Rico?
To ensure you get the cheapest price possible for a flight from Boston to Puerto Rico, you should look to book at least 46 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 day to fly from Boston to Puerto Rico?
Use this chart to determine the cheapest time to fly round-trip from Boston to Puerto Rico. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Boston to Puerto Rico flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated September 28, 2026.
See what other customers who have flown with Delta,United Airlines, andJetBlue from Boston to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Related info for your journey
Find useful and relevant information for your journey from Boston to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for Boston to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Puerto Rico by cabin class
Find flights from Boston to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Puerto Rico flights
Browse other Boston and Puerto Rico flight options. Last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Boston to Puerto Rico
Discover the top 6 airlines that operate flights from Boston to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$297 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$163 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$546 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$212 | Average$394 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$313 | Average$541 | FlexibilityNo cancel fee | On-time63% |