$90+ Cheap flights from Maine 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Maine 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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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 Maine to Puerto Rico
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Cheapest flights from Maine to Puerto RicoExplore the most affordable flight options available from Maine to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Maine to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This eDestinos deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:16 am
BOS
- SJU
1 stop14h 45m
Frontier
Wed 5/63:33 pm
SJU
- BOS
1 stop17h 39m
Frontier
Deal found 4/5![Frontier logo]()
$159
This CheapOair deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:18 am
BOS
- SJU
Nonstop3h 59m
Multiple Airlines
Fri 4/101:45 am
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$161
This CheapOair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:23 pm
BOS
- SJU
Nonstop3h 56m
Multiple Airlines
Fri 5/86:09 pm
SJU
- BOS
1 stop15h 03m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$166
This eDestinos deal was found by Cheapflights users on 4/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:16 am
BOS
- SJU
1 stop14h 45m
Frontier
Tue 5/56:00 am
SJU
- BOS
1 stop27h 12m
Frontier
Deal found 4/7![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:23 pm
BOS
- SJU
Nonstop3h 56m
Multiple Airlines
Sat 4/116:00 am
SJU
- BOS
Nonstop4h 16m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:20 am
BOS
- SJU
1 stop13h 38m
Multiple Airlines
Fri 5/225:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$172
This Priceline deal was found by Cheapflights users on 4/6. 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.
Sat 5/211:16 am
BOS
- SJU
1 stop23h 23m
Frontier
Tue 5/53:03 am
SJU
- BOS
1 stop30h 09m
Frontier
Deal found 4/6![Frontier logo]()
$176
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:18 am
BOS
- SJU
Nonstop3h 59m
Frontier
Sun 4/193:21 am
SJU
- BOS
1 stop7h 10m
Frontier
Deal found 4/5![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Tue 4/2811:16 am
BOS
- SJU
1 stop14h 45m
Frontier
Fri 5/155:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 4/7![Frontier logo]()
$178
This Travelocity deal was found by Cheapflights users on 4/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:18 am
BOS
- SJU
Nonstop3h 59m
Multiple Airlines
Thu 4/167:00 am
SJU
- BOS
1 stop12h 06m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$179
This Cheapflightsfares deal was found by Cheapflights users on 4/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:40 am
BOS
- SJU
Nonstop3h 54m
Spirit Airlines
Tue 9/13:29 pm
SJU
- BOS
Nonstop4h 07m
Spirit Airlines
Deal found 4/8![Spirit Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 4/283:27 pm
BOS
- SJU
1 stop7h 57m
Multiple Airlines
Fri 5/225:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$182
Best flights from Maine to Puerto RicoDiscover carefully curated flight deals from Maine to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Maine to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This CheapOair deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:07 am
BOS
- PSE
1 stop23h 00m
Frontier
Mon 5/189:47 am
PSE
- BOS
1 stop23h 25m
Frontier
Deal found 4/6![Frontier logo]()
$204
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 6/132:40 pm
BOS
- BQN
1 stop8h 29m
United Airlines
Sat 6/2012:15 am
BQN
- BOS
1 stop8h 57m
United Airlines
Deal found 4/5![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/192:35 pm
PWM
- SJU
1 stop9h 09m
Delta
Sat 9/267:00 am
SJU
- PWM
1 stop6h 54m
Delta
Deal found 4/5![Delta logo]()
$282
This JetBlue deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 5/105:02 pm
BOS
- BQN
1 stop8h 50m
JetBlue
Wed 5/132:25 pm
BQN
- BOS
1 stop9h 49m
JetBlue
Deal found 4/5![JetBlue logo]()
$341
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:35 am
BOS
- SJU
2 stops10h 35m
Southwest
Tue 5/125:35 am
SJU
- BOS
2 stops10h 20m
Southwest
Deal found 4/5![Southwest logo]()
$384
This American Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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.
Tue 5/55:23 am
BGR
- SJU
2 stops15h 28m
American Airlines
Tue 5/121:31 pm
SJU
- BGR
2 stops10h 54m
American Airlines
Deal found 4/5![American Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Thu 5/217:00 am
BOS
- PSE
1 stop26h 07m
Multiple Airlines
Tue 5/2610:02 am
PSE
- BOS
2 stops25h 04m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/161:35 pm
PWM
- SJU
1 stop8h 25m
Delta
Wed 9/237:00 am
SJU
- PWM
1 stop6h 54m
Delta
Deal found 4/5![Delta logo]()
$282
This United Airlines deal was found by Cheapflights users on 4/7. 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 9/127:10 am
BOS
- BQN
2 stops15h 59m
United Airlines
Fri 9/1812:15 am
BQN
- BOS
1 stop7h 56m
United Airlines
Deal found 4/7![United Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 4/7. 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 5/93:39 pm
PWM
- SJU
1 stop8h 11m
United Airlines
Mon 5/111:00 am
SJU
- PWM
2 stops13h 14m
United Airlines
Deal found 4/7![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 4/6. 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.
Sat 5/212:45 pm
BOS
- SJU
1 stop7h 39m
Delta
Wed 5/61:21 pm
SJU
- BOS
Nonstop4h 14m
Delta
Deal found 4/6![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 7/319:05 am
BOS
- SJU
1 stop7h 33m
Delta
Wed 8/52:05 pm
SJU
- BOS
1 stop9h 54m
Delta
Deal found 4/5![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Sat 6/132:40 pm
BOS
- BQN
1 stop8h 29m
United Airlines
Wed 6/1712:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 4/9![United Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 4/8. 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.
Mon 5/257:20 am
BGR
- SJU
1 stop15h 41m
American Airlines
Tue 6/26:20 am
SJU
- BGR
1 stop17h 25m
American Airlines
Deal found 4/8![American Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 4/8. 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.
Sun 5/318:50 am
BOS
- SJU
Nonstop3h 59m
Delta
Fri 6/55:43 pm
SJU
- BOS
1 stop7h 45m
Delta
Deal found 4/8![Delta logo]()
$328
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 9/19:05 am
BOS
- SJU
1 stop7h 30m
Delta
Tue 9/151:30 pm
SJU
- BOS
Nonstop4h 05m
Delta
Deal found 4/7![Delta logo]()
$328
This JetBlue deal was found by Cheapflights users on 4/8. 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.
Sun 5/312:45 pm
BOS
- MAZ
1 stop5h 58m
JetBlue
Thu 5/710:07 am
MAZ
- BOS
1 stop7h 01m
JetBlue
Deal found 4/8![JetBlue logo]()
$520
This Delta deal was found by Cheapflights users on 4/9. 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.
Wed 8/55:40 am
BOS
- SJU
1 stop7h 15m
Delta
Mon 8/102:40 pm
SJU
- BOS
1 stop9h 16m
Delta
Deal found 4/9![Delta logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:29 pm
AUG
- SJU
1 stop26h 37m
Multiple Airlines
Mon 4/273:20 pm
SJU
- AUG
2 stops27h 30m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$551
This Trip.com deal was found by Cheapflights users on 4/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:18 am
BOS
- PSE
2 stops23h 49m
Frontier
Tue 5/2610:02 am
PSE
- BOS
2 stops15h 22m
Frontier
Deal found 4/9![Frontier logo]()
$591
This Delta deal was found by Cheapflights users on 4/6. 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.
Thu 6/48:50 am
BOS
- SJU
Nonstop3h 59m
Delta
Tue 6/92:05 pm
SJU
- BOS
Nonstop4h 09m
Delta
Deal found 4/6![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 5/232:40 pm
BOS
- BQN
1 stop8h 29m
United Airlines
Wed 5/2712:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 4/6![United Airlines logo]()
$469
This CheapOair deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:15 pm
BOS
- PSE
1 stop11h 41m
JetBlue
Mon 8/178:46 am
PSE
- BOS
1 stop26h 13m
JetBlue
Deal found 4/7![JetBlue logo]()
$591
This Priceline deal was found by Cheapflights users on 4/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 am
BOS
- PSE
2 stops25h 29m
Multiple Airlines
Mon 4/2711:31 am
PSE
- BOS
1 stop22h 50m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$593
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 9/106:00 am
PWM
- SJU
1 stop7h 16m
Delta
Tue 9/157:00 am
SJU
- PWM
1 stop6h 54m
Delta
Deal found 4/5![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 4/279:20 am
BOS
- BQN
2 stops13h 49m
United Airlines
Tue 4/2812:15 am
BQN
- BOS
2 stops9h 49m
United Airlines
Deal found 4/5![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 6/22:38 pm
PWM
- SJU
1 stop8h 57m
Delta
Mon 6/812:54 pm
SJU
- PWM
1 stop10h 21m
Delta
Deal found 4/5![Delta logo]()
$350
This Priceline deal was found by Cheapflights users on 4/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:40 pm
BOS
- CPX
1 stop14h 25m
Multiple Airlines
Sun 5/311:06 pm
CPX
- BOS
1 stop20h 10m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$632
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Mon 6/292:40 pm
BOS
- BQN
1 stop8h 29m
United Airlines
Wed 7/812:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 4/9![United Airlines logo]()
$482
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 7/43:19 pm
BOS
- PSE
1 stop16h 37m
JetBlue
Sat 7/185:55 pm
PSE
- BOS
1 stop15h 07m
JetBlue
Deal found 4/5![JetBlue logo]()
$651
Last-minute flights from Maine to Puerto RicoDiscover last-minute flight deals from Maine to Puerto Rico. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Puerto Rico. Data last updated April 10, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:18 am
BOS
- SJU
Nonstop3h 59m
Multiple Airlines
Fri 4/101:45 am
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$161
This Travelocity deal was found by Cheapflights users on 4/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:18 am
BOS
- SJU
Nonstop3h 59m
Multiple Airlines
Thu 4/167:00 am
SJU
- BOS
1 stop12h 06m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Thu 4/911:18 am
BOS
- SJU
Nonstop3h 59m
Multiple Airlines
Fri 4/1010:00 am
SJU
- BOS
Nonstop4h 18m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$180
This CheapOair deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:23 pm
BOS
- SJU
Nonstop3h 56m
Multiple Airlines
Fri 5/86:09 pm
SJU
- BOS
1 stop15h 03m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$166
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:18 am
BOS
- SJU
Nonstop3h 59m
Frontier
Sun 4/193:21 am
SJU
- BOS
1 stop7h 10m
Frontier
Deal found 4/5![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:20 am
BOS
- SJU
1 stop13h 38m
Multiple Airlines
Fri 5/225:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$172
This eDestinos deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:16 am
BOS
- SJU
1 stop14h 45m
Frontier
Wed 5/63:33 pm
SJU
- BOS
1 stop17h 39m
Frontier
Deal found 4/5![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Tue 4/2811:16 am
BOS
- SJU
1 stop14h 45m
Frontier
Fri 5/155:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 4/7![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 4/283:27 pm
BOS
- SJU
1 stop7h 57m
Multiple Airlines
Fri 5/225:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$182
This eDestinos deal was found by Cheapflights users on 4/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:16 am
BOS
- SJU
1 stop14h 45m
Frontier
Tue 5/56:00 am
SJU
- BOS
1 stop27h 12m
Frontier
Deal found 4/7![Frontier logo]()
$168
This Priceline deal was found by Cheapflights users on 4/6. 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.
Sat 5/211:16 am
BOS
- SJU
1 stop23h 23m
Frontier
Tue 5/53:03 am
SJU
- BOS
1 stop30h 09m
Frontier
Deal found 4/6![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:16 am
BOS
- SJU
1 stop11h 32m
Frontier
Tue 5/58:30 am
SJU
- BOS
1 stop26h 36m
Frontier
Deal found 4/6![Frontier logo]()
$183
One-way flights from Maine to Puerto RicoSearch for one-way flight options from Maine to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Maine to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:12 pm
BOS
- SJU
Nonstop3h 54m
Spirit Airlines
Deal found 4/8![Spirit Airlines logo]()
$90
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:20 am
BOS
- SJU
1 stop13h 38m
Spirit Airlines
Deal found 4/6![Spirit Airlines logo]()
$93
This eDestinos deal was found by Cheapflights users on 4/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
BOS
- SJU
1 stop8h 13m
Frontier
Deal found 4/8![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:07 am
BOS
- SJU
1 stop16h 01m
Frontier
Deal found 4/6![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:16 am
BOS
- SJU
1 stop11h 32m
Frontier
Deal found 4/5![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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 4/262:12 pm
BOS
- SJU
Nonstop3h 54m
Spirit Airlines
Deal found 4/6![Spirit Airlines logo]()
$100
This Travelocity deal was found by Cheapflights users on 4/8. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:07 am
BOS
- BQN
1 stop25h 24m
Frontier
Deal found 4/8![Frontier logo]()
$104
This Priceline deal was found by Cheapflights users on 4/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:06 am
BOS
- BQN
1 stop14h 52m
Frontier
Deal found 4/7![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” 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 4/2311:06 am
BOS
- PSE
1 stop23h 25m
Frontier
Deal found 4/5![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Mon 6/87:00 am
BOS
- BQN
1 stop28h 33m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Thu 4/307:30 am
BOS
- BQN
2 stops15h 39m
United Airlines
Deal found 4/9![United Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Mon 6/812:01 pm
BOS
- BQN
2 stops23h 32m
Frontier
Deal found 4/7![Frontier logo]()
$203
Find flight deals from Maine to Puerto Rico
Keep the following information in mind while searching for Maine to Puerto Rico flight deals. Data was last updated April 10, 2026.
Round-trip from | $168 (eDestinos) |
|---|---|
One-way from | $90 (Cheapflightsfares) |
Popular in | April |
Cheapest in | October |
Average price | $711 |
Cheapflights Fare Finder
Customize your flight search to find flights from Maine 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 April 10, 2026.
Use the filters below to find and compare flights from Maine to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonPonce
BOS - PSE
BOSPSE
Boston Logan Intl
Wed 5/13
10:07 am-9:07 am
1 stop23h 00m
Ponce Mercedita
Mon 5/18
9:47 am-9:12 am
1 stop23h 25m
$204
BostonAguadilla
BOS - BQN
BOSBQN
Boston Logan Intl
Sat 6/13
2:40 pm-11:09 pm
1 stop8h 29m
Aguadilla Borinquen
Sat 6/20
12:15 am-9:12 am
1 stop8h 57m
$282
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Sat 9/19
2:35 pm-11:44 pm
1 stop9h 09m
San Juan Luis Munoz Marin Intl
Sat 9/26
7:00 am-1:54 pm
1 stop6h 54m
$282
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Wed 9/16
1:35 pm-10:00 pm
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Wed 9/23
7:00 am-1:54 pm
1 stop6h 54m
$282
BostonAguadilla
BOS - BQN
BOSBQN
Boston Logan Intl
Sat 9/12
7:10 am-11:09 pm
2 stops15h 59m
Aguadilla Borinquen
Fri 9/18
12:15 am-8:11 am
1 stop7h 56m
$302
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Sat 5/9
3:39 pm-11:50 pm
1 stop8h 11m
San Juan Luis Munoz Marin Intl
Mon 5/11
1:00 am-2:14 pm
2 stops13h 14m
$302
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Sat 5/2
12:45 pm-8:24 pm
1 stop7h 39m
San Juan Luis Munoz Marin Intl
Wed 5/6
1:21 pm-5:35 pm
Nonstop4h 14m
$308
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Fri 7/31
9:05 am-4:38 pm
1 stop7h 33m
San Juan Luis Munoz Marin Intl
Wed 8/5
2:05 pm-11:59 pm
1 stop9h 54m
$312
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Sun 5/31
8:50 am-12:49 pm
Nonstop3h 59m
San Juan Luis Munoz Marin Intl
Fri 6/5
5:43 pm-1:28 am
1 stop7h 45m
$328
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Tue 9/1
9:05 am-4:35 pm
1 stop7h 30m
San Juan Luis Munoz Marin Intl
Tue 9/15
1:30 pm-5:35 pm
Nonstop4h 05m
$328
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maine to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Maine with our price prediction graph.
BOS-SJU
BOS-BQN
BOS-PSE
BGR-SJU
AUG-SJU
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 Maine to Puerto Rico
USME-PR0
BOS-SJU
BOS-BQN
BOS-PSE
BGR-SJU
What is the cheapest month to book a flight from Maine to Puerto Rico?
Currently, July is the cheapest month in which you can book a flight from Maine to Puerto Rico (average of $161). Flying from Maine to Puerto Rico in April is currently the most expensive (average of $354). 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.
Related info for your journey
Find useful and relevant information for your journey from Maine 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Maine 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 Maine to Puerto Rico by cabin class
Find flights from Maine to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maine and Puerto Rico flights
Browse other Maine and Puerto Rico flight options. Last updated on April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Puerto Rico
Find the right flight back to Maine after your stay in Puerto Rico
Maine to Puerto Rico flights
Consider these flights traveling from Maine to Puerto Rico.
Top 5 airlines flying from Maine to Puerto Rico
Discover the top 5 airlines that operate flights from Maine 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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$493 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$656 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$565 | FlexibilityNo cancel fee | On-time63% |