$143+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
Jun 29 — Jul 61
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 May 30, 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 May 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/28. 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.
Sun 9/207:20 pm
BOS
- SJU
Nonstop4h 38m
JetBlue
Fri 9/256:00 am
SJU
- BOS
Nonstop4h 03m
JetBlue
Deal found 5/28![JetBlue logo]()
$272
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:15 am
BOS
- SJU
Nonstop4h 05m
Delta
Sat 9/191:30 pm
SJU
- BOS
Nonstop4h 05m
Delta
Deal found 5/27![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:15 am
BOS
- SJU
Nonstop4h 05m
Delta
Fri 9/257:00 am
SJU
- BOS
1 stop7h 52m
Delta
Deal found 5/27![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 5/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 am
BOS
- SJU
1 stop10h 00m
American Airlines
Tue 9/152:58 pm
SJU
- BOS
2 stops8h 30m
American Airlines
Deal found 5/28![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 5/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:16 am
BOS
- SJU
1 stop14h 43m
American Airlines
Tue 8/186:00 am
SJU
- BOS
1 stop8h 31m
American Airlines
Deal found 5/27![American Airlines logo]()
$292
This SmartFares deal was found by Cheapflights users on 5/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Sat 8/295:49 pm
SJU
- BOS
1 stop7h 36m
Delta
Deal found 5/26![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:15 am
BOS
- SJU
Nonstop4h 06m
Delta
Sat 12/57:15 am
SJU
- BOS
1 stop7h 32m
Delta
Deal found 5/27![Delta logo]()
$295
This American Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 9/97:42 am
BOS
- SJU
1 stop13h 05m
American Airlines
Mon 9/1410:16 am
SJU
- BOS
1 stop11h 37m
American Airlines
Deal found 5/29![American Airlines logo]()
$297
This Cheapflightsfares deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 6/146:00 am
BOS
- SJU
Nonstop4h 01m
JetBlue
Thu 6/188:40 pm
SJU
- BOS
Nonstop4h 06m
JetBlue
Deal found 5/29![JetBlue logo]()
$298
This Delta deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 10/202:35 pm
PWM
- SJU
1 stop9h 21m
Delta
Mon 10/267:00 am
SJU
- PWM
1 stop6h 53m
Delta
Deal found 5/30![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 9/118:15 am
BOS
- SJU
Nonstop4h 05m
Delta
Wed 9/161:30 pm
SJU
- BOS
Nonstop4h 05m
Delta
Deal found 5/29![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 9/165:30 am
PWM
- SJU
2 stops10h 10m
American Airlines
Wed 9/236:27 am
SJU
- PWM
2 stops17h 32m
American Airlines
Deal found 5/30![American Airlines logo]()
$307
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 May 30, 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 May 30, 2026.
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Wed 8/265:49 pm
SJU
- BOS
1 stop7h 36m
Delta
Deal found 5/27![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 5/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:42 pm
PWM
- SJU
2 stops20h 12m
American Airlines
Fri 9/252:22 pm
SJU
- PWM
1 stop7h 33m
American Airlines
Deal found 5/26![American Airlines logo]()
$342
This JetBlue deal was found by Cheapflights users on 5/28. 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.
Mon 6/812:16 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Tue 6/168:40 pm
SJU
- BOS
Nonstop4h 06m
JetBlue
Deal found 5/28![JetBlue logo]()
$343
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 6/87:30 am
BOS
- SJU
1 stop6h 15m
United Airlines
Wed 6/101:00 am
SJU
- BOS
1 stop8h 53m
United Airlines
Deal found 5/29![United Airlines logo]()
$398
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:04 am
BOS
- PSE
1 stop23h 37m
Frontier
Mon 8/1010:32 am
PSE
- BOS
1 stop22h 37m
Frontier
Deal found 5/29![Frontier logo]()
$416
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 8/310:04 am
BOS
- PSE
1 stop23h 42m
Multiple Airlines
Mon 8/175:01 am
PSE
- BOS
2 stops18h 52m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 5/29![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:05 am
PWM
- SJU
1 stop10h 26m
Delta
Wed 9/231:32 pm
SJU
- PWM
1 stop10h 27m
Delta
Deal found 5/27![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 9/216:05 am
PWM
- SJU
1 stop7h 11m
Delta
Fri 9/257:00 am
SJU
- PWM
1 stop6h 54m
Delta
Deal found 5/26![Delta logo]()
$302
This JetBlue deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 8/179:35 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Mon 8/244:55 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Deal found 5/29![JetBlue logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
BOS
- SJU
1 stop7h 45m
United Airlines
Tue 6/91:00 am
SJU
- BOS
1 stop8h 48m
United Airlines
Deal found 5/27![United Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 5/25. 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.
Fri 8/219:05 am
BOS
- SJU
1 stop7h 28m
Delta
Mon 8/312:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 5/25![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Tue 7/217:19 am
BOS
- BQN
2 stops15h 50m
United Airlines
Wed 7/2912:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 5/25![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 5/26. 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.
Sun 8/96:05 am
BOS
- SJU
1 stop10h 28m
Delta
Fri 8/147:30 am
SJU
- BOS
1 stop8h 43m
Delta
Deal found 5/26![Delta logo]()
$312
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 8/37:54 am
BOS
- PSE
1 stop16h 05m
JetBlue
Mon 8/175:01 am
PSE
- BOS
1 stop28h 26m
JetBlue
Deal found 5/29![JetBlue logo]()
$453
This Priceline deal was found by Cheapflights users on 5/27. 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.
Thu 8/610:04 am
BOS
- PSE
1 stop23h 37m
Multiple Airlines
Mon 8/105:01 am
PSE
- BOS
2 stops18h 52m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 8/158:05 am
BOS
- BQN
2 stops15h 04m
United Airlines
Wed 8/2612:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 5/29![United Airlines logo]()
$445
This Priceline deal was found by Cheapflights users on 5/26. 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.
Fri 6/125:15 am
BOS
- BQN
1 stop13h 29m
JetBlue
Fri 6/194:45 am
BQN
- BOS
1 stop13h 49m
JetBlue
Deal found 5/26![JetBlue logo]()
$489
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Mon 7/202:31 pm
BOS
- BQN
1 stop8h 38m
United Airlines
Tue 7/2812:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 5/25![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Mon 8/242:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 5/29![Delta logo]()
$384
This CheapOair deal was found by Cheapflights users on 5/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:23 pm
BOS
- PSE
1 stop13h 33m
Multiple Airlines
Mon 7/610:32 am
PSE
- BOS
1 stop22h 37m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$582
This JetBlue deal was found by Cheapflights users on 5/28. 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.
Sat 6/138:43 am
BOS
- BQN
1 stop10h 01m
JetBlue
Wed 6/174:45 am
BQN
- BOS
1 stop6h 50m
JetBlue
Deal found 5/28![JetBlue logo]()
$503
This Delta deal was found by Cheapflights users on 5/26. 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.
Wed 8/198:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Sat 8/225:49 pm
SJU
- BOS
1 stop7h 36m
Delta
Deal found 5/26![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 10/279:15 am
BGR
- SJU
2 stops12h 07m
United Airlines
Wed 10/286:45 am
SJU
- BGR
2 stops15h 19m
United Airlines
Deal found 5/29![United Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 6/138:50 am
BOS
- SJU
Nonstop4h 04m
Delta
Fri 6/197:05 am
SJU
- BOS
1 stop9h 04m
Delta
Deal found 5/29![Delta logo]()
$389
This JetBlue deal was found by Cheapflights users on 5/26. 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.
Sat 7/48:25 am
BOS
- BQN
1 stop6h 55m
JetBlue
Tue 7/142:38 pm
BQN
- BOS
1 stop10h 09m
JetBlue
Deal found 5/26![JetBlue logo]()
$525
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 7/72:30 pm
BOS
- BQN
1 stop8h 39m
United Airlines
Thu 7/1612:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 5/26![United Airlines logo]()
$511
This JetBlue deal was found by Cheapflights users on 5/26. 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.
Sat 7/48:25 am
BOS
- BQN
1 stop6h 55m
JetBlue
Fri 7/172:38 pm
BQN
- BOS
1 stop10h 20m
JetBlue
Deal found 5/26![JetBlue logo]()
$529
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 7/232:30 pm
BOS
- BQN
1 stop8h 39m
United Airlines
Tue 7/2812:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 5/25![United Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 5/25. 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.
Sun 8/28:51 am
BOS
- SJU
Nonstop4h 07m
Delta
Mon 8/102:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 5/25![Delta logo]()
$424
Last-minute flights from Maine to Puerto RicoDiscover last-minute flight deals from Maine to Puerto Rico. Data last updated May 30, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Puerto Rico. Data last updated May 30, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 5/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:00 am
BOS
- SJU
Nonstop4h 02m
JetBlue
Fri 6/129:15 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Deal found 5/26![JetBlue logo]()
$328
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Mon 6/82:40 pm
BOS
- SJU
1 stop9h 10m
United Airlines
Wed 6/101:00 am
SJU
- BOS
1 stop7h 17m
United Airlines
Deal found 5/25![United Airlines logo]()
$322
This JetBlue deal was found by Cheapflights users on 5/28. 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.
Mon 6/812:16 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Tue 6/168:40 pm
SJU
- BOS
Nonstop4h 06m
JetBlue
Deal found 5/28![JetBlue logo]()
$343
This American Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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.
Fri 6/125:01 am
BOS
- SJU
1 stop10h 46m
American Airlines
Tue 6/167:00 am
SJU
- BOS
1 stop11h 01m
American Airlines
Deal found 5/29![American Airlines logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 6/126:00 am
BOS
- SJU
Nonstop4h 01m
JetBlue
Wed 6/179:11 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Deal found 5/29![JetBlue logo]()
$338
This JetBlue deal was found by Cheapflights users on 5/28. 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.
Sat 6/139:44 pm
BOS
- SJU
Nonstop4h 00m
JetBlue
Wed 6/179:11 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Deal found 5/28![JetBlue logo]()
$303
This Cheapflightsfares deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” 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 6/136:00 am
BOS
- SJU
Nonstop4h 01m
JetBlue
Sat 6/138:51 pm
SJU
- BOS
Nonstop4h 05m
JetBlue
Deal found 5/30![JetBlue logo]()
$313
This Cheapflightsfares deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 6/146:00 am
BOS
- SJU
Nonstop4h 01m
JetBlue
Thu 6/188:40 pm
SJU
- BOS
Nonstop4h 06m
JetBlue
Deal found 5/29![JetBlue logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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.
Sun 6/149:44 pm
BOS
- SJU
Nonstop4h 00m
JetBlue
Tue 6/168:40 pm
SJU
- BOS
Nonstop4h 06m
JetBlue
Deal found 5/25![JetBlue logo]()
$318
This Delta deal was found by Cheapflights users on 5/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:50 am
BOS
- SJU
Nonstop4h 04m
Delta
Thu 6/181:10 pm
SJU
- BOS
1 stop9h 31m
Delta
Deal found 5/28![Delta logo]()
$308
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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 6/159:44 pm
BOS
- SJU
Nonstop4h 00m
JetBlue
Sat 6/205:01 am
SJU
- BOS
1 stop9h 23m
JetBlue
Deal found 5/25![JetBlue logo]()
$337
This JetBlue deal was found by Cheapflights users on 5/25. 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.
Mon 6/159:44 pm
BOS
- SJU
Nonstop4h 00m
JetBlue
Thu 6/255:01 am
SJU
- BOS
1 stop9h 50m
JetBlue
Deal found 5/25![JetBlue logo]()
$342
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 May 30, 2026.
Search for one-way flight options from Maine to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 30, 2026.
This Southwest deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 8/111:20 pm
BOS
- SJU
1 stop8h 40m
Southwest
Deal found 5/29![Southwest logo]()
$143
This SmartFares deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:44 pm
BOS
- SJU
Nonstop4h 00m
JetBlue
Deal found 5/29![JetBlue logo]()
$147
This Delta deal was found by Cheapflights users on 5/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 5/27![Delta logo]()
$162
This United Airlines deal was found by Cheapflights users on 5/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
BOS
- SJU
1 stop8h 44m
United Airlines
Deal found 5/28![United Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Thu 8/203:30 pm
BOS
- BQN
1 stop7h 39m
United Airlines
Deal found 5/25![United Airlines logo]()
$166
This Super.com deal was found by Cheapflights users on 5/27. 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.
Wed 7/810:04 am
BOS
- SJU
1 stop9h 38m
Frontier
Deal found 5/27![Frontier logo]()
$167
This Priceline deal was found by Cheapflights users on 5/26. 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.
Wed 7/810:04 am
BOS
- BQN
1 stop16h 06m
Frontier
Deal found 5/26![Frontier logo]()
$168
This American Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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.
Sat 6/138:00 am
BOS
- SJU
1 stop14h 45m
American Airlines
Deal found 5/29![American Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Wed 7/2210:04 am
BOS
- SJU
1 stop9h 38m
Frontier
Deal found 5/26![Frontier logo]()
$171
This Super.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” 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 7/1410:04 am
BOS
- SJU
1 stop25h 12m
Frontier
Deal found 5/29![Frontier logo]()
$172
This Priceline deal was found by Cheapflights users on 5/26. 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.
Wed 7/810:04 am
BOS
- PSE
1 stop23h 02m
Frontier
Deal found 5/26![Frontier logo]()
$174
This Priceline deal was found by Cheapflights users on 5/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:04 am
BOS
- BQN
1 stop16h 06m
Frontier
Deal found 5/28![Frontier logo]()
$187
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 May 30, 2026.
Round-trip from | $272 (Cheapflightsfares) |
|---|---|
One-way from | $143 (Southwest) |
Popular in | April |
Cheapest in | October |
Average price | $342 |
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 May 30, 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
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Mon 8/17
8:50 am-12:57 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Wed 8/26
5:49 pm-1:25 am
1 stop7h 36m
$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
$302
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Wed 9/16
6:05 am-4:31 pm
1 stop10h 26m
San Juan Luis Munoz Marin Intl
Wed 9/23
1:32 pm-11:59 pm
1 stop10h 27m
$302
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Mon 9/21
6:05 am-1:16 pm
1 stop7h 11m
San Juan Luis Munoz Marin Intl
Fri 9/25
7:00 am-1:54 pm
1 stop6h 54m
$302
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Fri 8/21
9:05 am-4:33 pm
1 stop7h 28m
San Juan Luis Munoz Marin Intl
Mon 8/31
2:10 pm-6:21 pm
Nonstop4h 11m
$308
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Sun 8/9
6:05 am-4:33 pm
1 stop10h 28m
San Juan Luis Munoz Marin Intl
Fri 8/14
7:30 am-4:13 pm
1 stop8h 43m
$312
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Mon 9/21
5:42 pm-1:54 pm
2 stops20h 12m
San Juan Luis Munoz Marin Intl
Fri 9/25
2:22 pm-9:55 pm
1 stop7h 33m
$342
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Mon 6/8
12:16 pm-4:18 pm
Nonstop4h 02m
San Juan Luis Munoz Marin Intl
Tue 6/16
8:40 pm-12:46 am
Nonstop4h 06m
$343
Quickest round-trip
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Mon 8/17
9:35 pm-1:37 am
Nonstop4h 02m
San Juan Luis Munoz Marin Intl
Mon 8/24
4:55 pm-9:00 pm
Nonstop4h 05m
$374
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Mon 8/17
8:50 am-12:57 pm
Nonstop4h 07m
San Juan Luis Munoz Marin Intl
Mon 8/24
2:10 pm-6:21 pm
Nonstop4h 11m
$384
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
PWM-SJU
BOS-BQN
BOS-PSE
BGR-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
PWM-SJU
BOS-BQN
BOS-PSE
What is the cheapest month to book a flight from Maine to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from Maine to Puerto Rico (average of $101). Flying from Maine to Puerto Rico in August is currently the most expensive (average of $303). 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.
How far ahead should I book a flight from Maine to Puerto Rico?
The price you pay for your flight from Maine to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 May 30, 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 May 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$430 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$176 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$624 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$594 | FlexibilityNo cancel fee | On-time63% |