$157+ Cheap flights from Boston (BOS) to Puerto Rico
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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Sep 10 — Sep 171
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
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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 August 11, 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 August 11, 2026.
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:55 am -
Nonstop4h 02m
Tue 9/157:30 am -
1 stop7h 12m
Deal found 8/6![Delta logo]()
$282
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 9/197:55 am -
Nonstop4h 07m
Tue 9/226:00 am -
Nonstop4h 03m
Deal found 8/10![JetBlue logo]()
$285
This JetBlue deal was found by Cheapflights users on 8/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 pm -
Nonstop4h 07m
Wed 9/166:55 pm -
Nonstop4h 08m
Deal found 8/8![JetBlue logo]()
$288
This Faresmojo deal was found by Cheapflights users on 8/11. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:55 am -
Nonstop4h 07m
Mon 9/148:30 am -
1 stop9h 30m
Deal found 8/11![JetBlue logo]()
$289
This Priceline deal was found by Cheapflights users on 8/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:01 am -
Nonstop4h 01m
Tue 12/228:20 am -
Nonstop4h 19m
Deal found 8/8![Multiple Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:32 pm -
1 stop10h 17m
Fri 10/91:15 pm -
1 stop9h 53m
Deal found 8/6![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 9/195:40 am -
1 stop7h 36m
Thu 9/242:10 pm -
Nonstop4h 13m
Deal found 8/11![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 8/7. 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 9/38:50 am -
Nonstop4h 07m
Wed 9/92:10 pm -
Nonstop4h 13m
Deal found 8/7![Delta logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/2212:52 pm -
2 stops13h 21m
Sat 10/310:30 am -
1 stop25h 14m
Deal found 8/9![Multiple Airlines logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:59 pm -
1 stop8h 34m
Wed 11/46:01 am -
1 stop9h 28m
Deal found 8/11![JetBlue logo]()
$315
This JetBlue deal was found by Cheapflights users on 8/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:59 pm -
1 stop8h 34m
Tue 12/13:16 pm -
1 stop6h 40m
Deal found 8/9![JetBlue logo]()
$318
This JetBlue deal was found by Cheapflights users on 8/10. 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.
Thu 10/153:55 pm -
1 stop8h 04m
Mon 10/195:01 am -
1 stop9h 34m
Deal found 8/10![JetBlue logo]()
$339
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 August 11, 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 August 11, 2026.
This JetBlue deal was found by Cheapflights users on 8/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:55 am -
Nonstop4h 07m
Fri 9/186:55 pm -
Nonstop4h 08m
Deal found 8/8![JetBlue logo]()
$287
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/227:46 am -
2 stops12h 52m
Tue 9/297:00 am -
1 stop10h 29m
Deal found 8/10![United Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 8/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:05 am -
1 stop10h 28m
Wed 9/92:10 pm -
Nonstop4h 13m
Deal found 8/8![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 8/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:20 am -
2 stops10h 00m
Fri 12/115:35 am -
2 stops9h 55m
Deal found 8/8![Southwest logo]()
$374
This FlightHub deal was found by Cheapflights users on 8/10. 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.
Thu 8/2710:04 am -
1 stop16h 06m
Thu 9/38:39 am -
1 stop7h 32m
Deal found 8/10![Multiple Airlines logo]()
$389
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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.
Tue 10/273:59 pm -
1 stop8h 34m
Wed 11/43:20 pm -
1 stop7h 26m
Deal found 8/6![JetBlue logo]()
$315
This Delta deal was found by Cheapflights users on 8/9. 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.
Thu 8/278:50 am -
Nonstop4h 07m
Tue 9/17:00 am -
1 stop9h 50m
Deal found 8/9![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:38 am -
2 stops12h 31m
Fri 9/412:15 am -
2 stops16h 12m
Deal found 8/11![United Airlines logo]()
$362
This JetBlue deal was found by Cheapflights users on 8/10. 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.
Thu 10/153:55 pm -
1 stop8h 04m
Mon 10/195:01 am -
1 stop9h 34m
Deal found 8/10![JetBlue logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/279:12 am -
2 stops13h 45m
Tue 11/31:09 am -
2 stops10h 10m
Deal found 8/6![United Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 8/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:20 pm -
2 stops10h 25m
Wed 11/186:10 am -
2 stops9h 20m
Deal found 8/11![Southwest logo]()
$405
This CheapOair deal was found by Cheapflights users on 8/11. 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.
Thu 9/1011:17 am -
1 stop22h 01m
Wed 9/168:55 am -
2 stops13h 45m
Deal found 8/11![Multiple Airlines logo]()
$418
This JetBlue deal was found by Cheapflights users on 8/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:19 am -
1 stop7h 37m
Tue 9/224:23 pm -
1 stop7h 16m
Deal found 8/6![JetBlue logo]()
$349
This Delta deal was found by Cheapflights users on 8/9. 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 9/58:50 am -
Nonstop4h 07m
Tue 9/82:10 pm -
Nonstop4h 13m
Deal found 8/9![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:46 am -
2 stops15h 23m
Sat 9/1912:15 am -
2 stops12h 35m
Deal found 8/7![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 10/279:12 am -
2 stops13h 45m
Mon 11/91:09 am -
2 stops10h 10m
Deal found 8/9![United Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 8/11. 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.
Fri 8/288:50 am -
Nonstop4h 07m
Sun 9/62:10 pm -
Nonstop4h 11m
Deal found 8/11![Delta logo]()
$413
This FlightHub deal was found by Cheapflights users on 8/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:20 am -
2 stops27h 08m
Thu 9/174:23 pm -
1 stop7h 16m
Deal found 8/6![JetBlue logo]()
$384
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 1/98:05 am -
Nonstop4h 05m
Sat 1/167:00 am -
1 stop9h 22m
Deal found 8/11![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:30 pm -
1 stop7h 39m
Mon 8/3112:15 am -
1 stop8h 02m
Deal found 8/7![United Airlines logo]()
$404
This JetBlue deal was found by Cheapflights users on 8/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:55 pm -
1 stop11h 03m
Fri 9/118:55 am -
1 stop9h 05m
Deal found 8/9![JetBlue logo]()
$445
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2011:30 am -
2 stops9h 52m
Wed 2/38:10 am -
2 stops10h 15m
Deal found 8/11![United Airlines logo]()
$408
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:10 am -
1 stop8h 33m
Sat 8/297:35 am -
1 stop12h 47m
Deal found 8/10![Multiple Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 1/304:30 pm -
1 stop7h 06m
Fri 2/52:05 am -
2 stops11h 42m
Deal found 8/10![United Airlines logo]()
$408
This JetBlue deal was found by Cheapflights users on 8/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:59 pm -
1 stop11h 00m
Wed 9/98:55 am -
1 stop9h 04m
Deal found 8/9![JetBlue logo]()
$450
This JetBlue deal was found by Cheapflights users on 8/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:59 pm -
1 stop11h 00m
Thu 9/108:55 am -
1 stop9h 05m
Deal found 8/9![JetBlue logo]()
$450
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:01 am -
1 stop6h 14m
Mon 12/712:40 pm -
2 stops11h 12m
Deal found 8/10![Multiple Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
1 stop6h 15m
Sat 12/122:05 am -
2 stops11h 42m
Deal found 8/7![United Airlines logo]()
$420
This JetBlue deal was found by Cheapflights users on 8/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:59 pm -
1 stop11h 00m
Fri 9/118:55 am -
1 stop9h 05m
Deal found 8/9![JetBlue logo]()
$450
This United deal was found by Cheapflights users on 8/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
2 stops7h 30m
Thu 10/291:51 pm -
2 stops17h 52m
Deal found 8/9![Multiple Airlines logo]()
$689
Last-minute flights from Boston to Puerto RicoDiscover last-minute flight deals from Boston to Puerto Rico. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Puerto Rico. Data last updated August 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/7. 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 9/38:50 am -
Nonstop4h 07m
Wed 9/92:10 pm -
Nonstop4h 13m
Deal found 8/7![Delta logo]()
$293
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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.
Sun 9/65:10 am -
1 stop8h 18m
Thu 9/174:23 pm -
1 stop7h 16m
Deal found 8/6![JetBlue logo]()
$315
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:55 am -
Nonstop4h 02m
Tue 9/157:30 am -
1 stop7h 12m
Deal found 8/6![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:32 pm -
1 stop10h 17m
Fri 10/91:15 pm -
1 stop9h 53m
Deal found 8/6![Delta logo]()
$291
This JetBlue deal was found by Cheapflights users on 8/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 pm -
Nonstop4h 07m
Wed 9/166:55 pm -
Nonstop4h 08m
Deal found 8/8![JetBlue logo]()
$288
This Faresmojo deal was found by Cheapflights users on 8/11. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:55 am -
Nonstop4h 07m
Mon 9/148:30 am -
1 stop9h 30m
Deal found 8/11![JetBlue logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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 9/197:55 am -
Nonstop4h 07m
Tue 9/226:00 am -
Nonstop4h 03m
Deal found 8/10![JetBlue logo]()
$285
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 9/198:55 am -
Nonstop4h 02m
Tue 9/227:30 am -
1 stop7h 12m
Deal found 8/10![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:05 am -
2 stops13h 33m
Mon 9/214:55 pm -
1 stop7h 04m
Deal found 8/7![United Airlines logo]()
$296
This JetBlue deal was found by Cheapflights users on 8/10. 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.
Sat 9/196:19 am -
1 stop7h 37m
Tue 9/224:23 pm -
1 stop7h 16m
Deal found 8/10![JetBlue logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/2212:52 pm -
2 stops13h 21m
Sat 10/310:30 am -
1 stop25h 14m
Deal found 8/9![Multiple Airlines logo]()
$295
This Justfly.com deal was found by Cheapflights users on 8/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:36 am -
1 stop22h 38m
Tue 9/294:23 pm -
1 stop7h 16m
Deal found 8/10![Multiple Airlines logo]()
$355
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 August 11, 2026.
Search for one-way flight options from Boston to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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.
Mon 9/75:10 am -
1 stop8h 18m
Deal found 8/7![JetBlue logo]()
$157
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 9/125:40 am -
1 stop7h 36m
Deal found 8/11![Delta logo]()
$158
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
2 stops14h 38m
Deal found 8/11![United Airlines logo]()
$159
This Priceline deal was found by Cheapflights users on 8/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:10 am -
1 stop8h 18m
Deal found 8/6![JetBlue logo]()
$159
This American Airlines deal was found by Cheapflights users on 8/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am -
2 stops8h 50m
Deal found 8/7![American Airlines logo]()
$160
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:25 pm -
1 stop17h 59m
Deal found 8/9![American Airlines logo]()
$161
This American Airlines deal was found by Cheapflights users on 8/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
2 stops9h 38m
Deal found 8/8![American Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Thu 9/1012:54 pm -
2 stops35h 04m
Deal found 8/11![Frontier logo]()
$164
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am -
2 stops8h 50m
Deal found 8/10![American Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 9/512:45 pm -
2 stops12h 11m
Deal found 8/7![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Wed 9/912:54 pm -
2 stops13h 19m
Deal found 8/7![Frontier logo]()
$168
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:55 pm -
1 stop8h 04m
Deal found 8/11![JetBlue logo]()
$168
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 August 11, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $280 (Cheapflightsfares) |
One-way from | $157 (Cheapflightsfares) |
Popular in | July |
Cheapest in | January |
Average price | $394 |
Good round-trip deal | $329 or less |
Good one-way deal | $226 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 2,558,603 searches. Data last updated August 11, 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
Quickest round-trip
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Sat 9/12
7:55 am-12:02 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Fri 9/18
6:55 pm-11:03 pm
Nonstop4h 08m
$287
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Tue 9/22
7:46 am-8:38 pm
2 stops12h 52m
San Juan Luis Munoz Marin Intl
Tue 9/29
7:00 am-5:29 pm
1 stop10h 29m
$296
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Wed 9/2
6:05 am-4:33 pm
1 stop10h 28m
San Juan Luis Munoz Marin Intl
Wed 9/9
2:10 pm-6:23 pm
Nonstop4h 13m
$313
BostonAguadilla
BOS Boston Logan Intl - BQN Aguadilla Borinquen
BOSBQN
Boston Logan Intl
Tue 10/27
3:59 pm-12:33 am
1 stop8h 34m
Aguadilla Borinquen
Wed 11/4
3:20 pm-9:46 pm
1 stop7h 26m
$315
BostonPonce
BOS Boston Logan Intl - PSE Ponce Mercedita
BOSPSE
Boston Logan Intl
Thu 10/15
3:55 pm-11:59 pm
1 stop8h 04m
Ponce Mercedita
Mon 10/19
5:01 am-2:35 pm
1 stop9h 34m
$339
BostonAguadilla
BOS Boston Logan Intl - BQN Aguadilla Borinquen
BOSBQN
Boston Logan Intl
Sat 9/19
6:19 am-1:56 pm
1 stop7h 37m
Aguadilla Borinquen
Tue 9/22
4:23 pm-11:39 pm
1 stop7h 16m
$349
BostonSan Juan
BOS Boston Logan Intl - SJU San Juan Luis Munoz Marin Intl
BOSSJU
Boston Logan Intl
Thu 8/27
8:50 am-12:57 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Tue 9/1
7:00 am-4:50 pm
1 stop9h 50m
$358
BostonAguadilla
BOS Boston Logan Intl - BQN Aguadilla Borinquen
BOSBQN
Boston Logan Intl
Tue 9/1
10:38 am-11:09 pm
2 stops12h 31m
Aguadilla Borinquen
Fri 9/4
12:15 am-4:27 pm
2 stops16h 12m
$362
BostonAguadilla
BOS Boston Logan Intl - BQN Aguadilla Borinquen
BOSBQN
Boston Logan Intl
Tue 10/27
9:12 am-10:57 pm
2 stops13h 45m
Aguadilla Borinquen
Tue 11/3
1:09 am-10:19 am
2 stops10h 10m
$362
BostonAguadilla
BOS Boston Logan Intl - BQN Aguadilla Borinquen
BOSBQN
Boston Logan Intl
Fri 9/11
7:46 am-11:09 pm
2 stops15h 23m
Aguadilla Borinquen
Sat 9/19
12:15 am-12:50 pm
2 stops12h 35m
$362
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-PSE
BOS-MAZ
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-PSE
BOS-MAZ
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 $275). Flying from Boston to Puerto Rico in July is currently the most expensive (average of $461). 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 August 11, 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 12% 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 August 11, 2026.
The most flights from BOS to PR0 are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
How often are flights from Boston to Puerto Rico delayed?
About 26% of weekly flights between Boston and Puerto Rico have experienced delays in the past year, with the average delay time being 153 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 18% 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 August 8, 2026.
Travelers seeking maximum savings on their Boston to Puerto Rico flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday evenings 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 August 11, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines 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.
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Entertainment
7.8
Overall
7.8
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.2
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Related info for your journey
Find useful and relevant information for your journey from Boston to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 August 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Puerto Rico flights
Consider these flights traveling from Boston to Puerto Rico.
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 2,558,603 searches. Data last updated August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$289 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$156 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$167 | Average$535 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$212 | Average$393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$313 | Average$399 | FlexibilityNo cancel fee | On-time63% |