$150+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
Jul 15 — Jul 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maine to Puerto Rico
Cheapest
Best
Last-minute
One-way
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 June 15, 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 June 15, 2026.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 10/55:15 am
PWM
- SJU
1 stop7h 19m
United Airlines
Sat 10/101:00 am
SJU
- PWM
1 stop8h 08m
United Airlines
Deal found 6/11![United Airlines logo]()
$218
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
PWM
- SJU
1 stop7h 50m
American Airlines
Wed 9/236:27 am
SJU
- PWM
2 stops17h 32m
American Airlines
Deal found 6/11![American Airlines logo]()
$223
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 10/55:15 am
PWM
- SJU
1 stop7h 19m
United Airlines
Fri 10/91:00 am
SJU
- PWM
1 stop8h 08m
United Airlines
Deal found 6/11![United Airlines logo]()
$254
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:55 pm
PWM
- SJU
1 stop8h 55m
American Airlines
Mon 10/265:25 am
SJU
- PWM
1 stop13h 00m
American Airlines
Deal found 6/11![American Airlines logo]()
$290
This eDestinos deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/710:04 am
BOS
- SJU
1 stop16h 11m
Frontier
Tue 7/143:36 pm
SJU
- BOS
1 stop19h 28m
Frontier
Deal found 6/15![Frontier logo]()
$300
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 9/162:35 pm
PWM
- SJU
1 stop9h 09m
Delta
Wed 9/231:32 pm
SJU
- PWM
1 stop10h 27m
Delta
Deal found 6/11![Delta logo]()
$306
This Faresmojo deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:50 pm
BOS
- SJU
Nonstop4h 04m
JetBlue
Mon 8/246:00 am
SJU
- BOS
1 stop9h 26m
JetBlue
Deal found 6/12![JetBlue logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sun 9/207:20 pm
BOS
- SJU
Nonstop4h 38m
JetBlue
Mon 9/286:00 am
SJU
- BOS
Nonstop4h 03m
JetBlue
Deal found 6/11![JetBlue logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/295:15 am
PWM
- SJU
1 stop7h 19m
United Airlines
Tue 9/11:00 am
SJU
- PWM
1 stop8h 08m
United Airlines
Deal found 6/10![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 am
PWM
- SJU
1 stop7h 19m
United Airlines
Mon 10/264:50 pm
SJU
- PWM
1 stop7h 09m
United Airlines
Deal found 6/12![United Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 6/11. 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 9/198:55 am
BOS
- SJU
Nonstop4h 06m
Delta
Mon 9/212:06 pm
SJU
- BOS
Nonstop4h 05m
Delta
Deal found 6/11![Delta logo]()
$313
This eDestinos deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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.
Mon 7/1310:04 am
BOS
- SJU
1 stop25h 12m
Frontier
Tue 7/143:36 pm
SJU
- BOS
1 stop19h 28m
Frontier
Deal found 6/15![Frontier logo]()
$316
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 June 15, 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 June 15, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 9/162:35 pm
PWM
- SJU
1 stop9h 09m
Delta
Wed 9/231:32 pm
SJU
- PWM
1 stop10h 27m
Delta
Deal found 6/11![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:15 am
PWM
- SJU
1 stop7h 19m
United Airlines
Mon 10/264:50 pm
SJU
- PWM
1 stop7h 09m
United Airlines
Deal found 6/12![United Airlines logo]()
$312
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:50 am
PWM
- SJU
2 stops11h 55m
Southwest
Mon 10/265:00 am
SJU
- PWM
2 stops11h 55m
Southwest
Deal found 6/12![Southwest logo]()
$347
This FlightHub deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:41 am
BOS
- PSE
2 stops15h 18m
JetBlue
Mon 8/175:01 am
PSE
- BOS
2 stops9h 40m
JetBlue
Deal found 6/13![JetBlue logo]()
$376
This Priceline deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:41 am
BOS
- BQN
2 stops15h 52m
Multiple Airlines
Thu 7/233:10 am
BQN
- BOS
1 stop29h 59m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$395
This CheapOair deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/910:04 am
BOS
- PSE
1 stop23h 37m
Frontier
Sun 7/1210:06 am
PSE
- BOS
1 stop23h 03m
Frontier
Deal found 6/15![Frontier logo]()
$395
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:19 pm
BGR
- SJU
2 stops19h 05m
American Airlines
Mon 9/146:27 am
SJU
- BGR
2 stops11h 08m
American Airlines
Deal found 6/11![American Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:05 am
PWM
- SJU
1 stop10h 26m
Delta
Sat 9/267:00 am
SJU
- PWM
1 stop6h 54m
Delta
Deal found 6/13![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/186:00 am
BOS
- SJU
2 stops14h 38m
United Airlines
Mon 8/244:55 pm
SJU
- BOS
1 stop7h 04m
United Airlines
Deal found 6/11![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 10/261:06 pm
SJU
- PWM
1 stop10h 43m
Delta
Deal found 6/15![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:00 am
BOS
- SJU
2 stops14h 50m
United Airlines
Sun 9/132:55 pm
SJU
- BOS
1 stop7h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 6/11. 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.
Thu 8/1312:40 pm
BOS
- SJU
2 stops10h 25m
Southwest
Tue 8/188:20 am
SJU
- BOS
2 stops8h 45m
Southwest
Deal found 6/11![Southwest logo]()
$362
This Orbitz deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:53 pm
BOS
- BQN
2 stops11h 40m
JetBlue
Thu 7/165:01 am
BQN
- BOS
2 stops9h 47m
JetBlue
Deal found 6/14![JetBlue logo]()
$383
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:00 pm
BOS
- SJU
1 stop6h 59m
Delta
Mon 9/147:00 am
SJU
- BOS
1 stop7h 52m
Delta
Deal found 6/12![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/182:40 pm
BOS
- BQN
1 stop8h 29m
United Airlines
Thu 7/2312:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 6/13![United Airlines logo]()
$322
This Priceline deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/1010:04 am
BOS
- PSE
1 stop23h 42m
Frontier
Wed 7/1510:32 am
PSE
- BOS
1 stop22h 37m
Frontier
Deal found 6/15![Frontier logo]()
$396
This Priceline deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:04 am
BOS
- PSE
1 stop23h 02m
Multiple Airlines
Wed 7/155:01 am
PSE
- BOS
1 stop16h 58m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$397
This JetBlue deal was found by Cheapflights users on 6/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:31 pm
BOS
- SJU
1 stop7h 42m
JetBlue
Thu 7/305:01 am
SJU
- BOS
1 stop6h 25m
JetBlue
Deal found 6/11![JetBlue logo]()
$388
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:31 pm
BOS
- BQN
1 stop8h 38m
United Airlines
Sun 8/1612:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 6/13![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:40 pm
BOS
- SJU
2 stops10h 25m
Southwest
Mon 8/175:30 am
SJU
- BOS
1 stop9h 00m
Southwest
Deal found 6/14![Southwest logo]()
$390
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:04 am
BOS
- PSE
1 stop23h 02m
Multiple Airlines
Wed 7/295:01 am
PSE
- BOS
2 stops12h 16m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$410
This JetBlue deal was found by Cheapflights users on 6/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:31 pm
BOS
- SJU
1 stop7h 42m
JetBlue
Fri 7/315:01 am
SJU
- BOS
Nonstop4h 00m
JetBlue
Deal found 6/11![JetBlue logo]()
$390
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:40 pm
BOS
- BQN
1 stop8h 29m
United Airlines
Wed 7/2912:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 6/12![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/222:35 pm
PWM
- SJU
1 stop8h 20m
Delta
Thu 11/267:15 am
SJU
- PWM
1 stop7h 38m
Delta
Deal found 6/14![Delta logo]()
$369
This Priceline deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:04 am
BOS
- PSE
1 stop23h 02m
Multiple Airlines
Tue 7/285:01 am
PSE
- BOS
2 stops9h 42m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$410
This JetBlue deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:09 pm
BOS
- SJU
1 stop7h 04m
JetBlue
Wed 7/298:07 pm
SJU
- BOS
Nonstop4h 06m
JetBlue
Deal found 6/13![JetBlue logo]()
$392
This Priceline deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:04 am
BOS
- PSE
1 stop23h 42m
Multiple Airlines
Mon 8/175:01 am
PSE
- BOS
2 stops18h 58m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 8/102:31 pm
BOS
- BQN
1 stop8h 38m
United Airlines
Tue 8/2512:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 6/15![United Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Fri 8/142:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 6/13![Delta logo]()
$384
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:41 am
BOS
- PSE
2 stops15h 18m
JetBlue
Wed 7/295:01 am
PSE
- BOS
2 stops12h 16m
JetBlue
Deal found 6/11![JetBlue logo]()
$397
Last-minute flights from Maine to Puerto RicoDiscover last-minute flight deals from Maine to Puerto Rico. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Puerto Rico. Data last updated June 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 6/272:15 pm
BOS
- SJU
1 stop7h 09m
United Airlines
Tue 6/301:00 am
SJU
- BOS
1 stop7h 17m
United Airlines
Deal found 6/11![United Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 7/45:45 am
BOS
- SJU
1 stop6h 49m
United Airlines
Tue 7/71:00 am
SJU
- BOS
2 stops10h 52m
United Airlines
Deal found 6/11![United Airlines logo]()
$342
This eDestinos deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/710:04 am
BOS
- SJU
1 stop16h 11m
Frontier
Tue 7/143:36 pm
SJU
- BOS
1 stop19h 28m
Frontier
Deal found 6/15![Frontier logo]()
$300
This Priceline deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:04 am
BOS
- SJU
1 stop7h 27m
Multiple Airlines
Tue 7/287:59 pm
SJU
- BOS
Nonstop4h 05m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/125:45 am
BOS
- SJU
1 stop6h 49m
United Airlines
Thu 7/161:00 am
SJU
- BOS
1 stop7h 17m
United Airlines
Deal found 6/11![United Airlines logo]()
$327
This eDestinos deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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.
Mon 7/1310:04 am
BOS
- SJU
1 stop25h 12m
Frontier
Tue 7/143:36 pm
SJU
- BOS
1 stop19h 28m
Frontier
Deal found 6/15![Frontier logo]()
$316
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/145:35 pm
BOS
- SJU
1 stop11h 54m
United Airlines
Wed 7/221:00 am
SJU
- BOS
1 stop7h 17m
United Airlines
Deal found 6/11![United Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/182:40 pm
BOS
- BQN
1 stop8h 29m
United Airlines
Thu 7/2312:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 6/12![United Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:00 am
BOS
- SJU
1 stop13h 59m
American Airlines
Wed 8/510:33 am
SJU
- BOS
1 stop12h 53m
American Airlines
Deal found 6/12![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:40 pm
BOS
- BQN
1 stop8h 29m
United Airlines
Thu 7/3012:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 6/12![United Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:00 am
BOS
- SJU
1 stop13h 59m
American Airlines
Wed 8/57:24 pm
SJU
- BOS
1 stop14h 55m
American Airlines
Deal found 6/11![American Airlines logo]()
$332
This Expedia deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/2810:04 am
BOS
- SJU
1 stop7h 27m
Frontier
Tue 8/43:36 pm
SJU
- BOS
1 stop19h 28m
Frontier
Deal found 6/15![Frontier logo]()
$336
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 June 15, 2026.
Search for one-way flight options from Maine to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This eDestinos deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/710:04 am
BOS
- SJU
1 stop16h 11m
Frontier
Deal found 6/15![Frontier logo]()
$150
This SmartFares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:50 pm
BOS
- SJU
Nonstop4h 04m
JetBlue
Deal found 6/12![JetBlue logo]()
$152
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:15 pm
BOS
- SJU
1 stop8h 35m
Southwest
Deal found 6/12![Southwest logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Fri 9/46:00 am
BOS
- SJU
Nonstop4h 00m
JetBlue
Deal found 6/11![JetBlue logo]()
$162
This Super.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:04 am
BOS
- SJU
1 stop7h 27m
Frontier
Deal found 6/14![Frontier logo]()
$165
This JetBlue deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
BOS
- SJU
Nonstop4h 00m
JetBlue
Deal found 6/12![JetBlue logo]()
$167
This CheapOair deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:04 am
BOS
- SJU
1 stop9h 38m
Frontier
Deal found 6/15![Frontier logo]()
$168
This Priceline deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:04 am
BOS
- BQN
1 stop16h 06m
Frontier
Deal found 6/14![Frontier logo]()
$168
This Booking.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.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 6/15![Frontier logo]()
$169
This Faresmojo deal was found by Cheapflights users on 6/11. 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.
Sat 7/43:19 pm
BOS
- SJU
1 stop9h 40m
JetBlue
Deal found 6/11![JetBlue logo]()
$170
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:20 am
BOS
- SJU
1 stop7h 18m
American Airlines
Deal found 6/11![American Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:15 am
BOS
- BQN
2 stops14h 54m
United Airlines
Deal found 6/14![United Airlines logo]()
$171
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 June 15, 2026.
Round-trip from | $218 (United Airlines) |
|---|---|
One-way from | $150 (eDestinos) |
Popular in | April |
Cheapest in | July |
Average price | $474 |
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 June 15, 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
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Wed 9/16
2:35 pm-11:44 pm
1 stop9h 09m
San Juan Luis Munoz Marin Intl
Wed 9/23
1:32 pm-11:59 pm
1 stop10h 27m
$306
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Tue 10/20
5:15 am-12:34 pm
1 stop7h 19m
San Juan Luis Munoz Marin Intl
Mon 10/26
4:50 pm-11:59 pm
1 stop7h 09m
$312
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Sat 9/19
6:05 am-4:31 pm
1 stop10h 26m
San Juan Luis Munoz Marin Intl
Sat 9/26
7:00 am-1:54 pm
1 stop6h 54m
$312
PortlandSan Juan
PWM - SJU
PWMSJU
Portland
Tue 10/20
2:35 pm-11:56 pm
1 stop9h 21m
San Juan Luis Munoz Marin Intl
Mon 10/26
1:06 pm-11:49 pm
1 stop10h 43m
$312
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Tue 8/18
6:00 am-8:38 pm
2 stops14h 38m
San Juan Luis Munoz Marin Intl
Mon 8/24
4:55 pm-11:59 pm
1 stop7h 04m
$322
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Wed 9/9
9:00 am-11:50 pm
2 stops14h 50m
San Juan Luis Munoz Marin Intl
Sun 9/13
2:55 pm-9:59 pm
1 stop7h 04m
$322
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Wed 9/9
5:00 pm-11:59 pm
1 stop6h 59m
San Juan Luis Munoz Marin Intl
Mon 9/14
7:00 am-2:52 pm
1 stop7h 52m
$322
BostonAguadilla
BOS - BQN
BOSBQN
Boston Logan Intl
Sat 7/18
2:40 pm-11:09 pm
1 stop8h 29m
Aguadilla Borinquen
Thu 7/23
12:15 am-8:17 am
1 stop8h 02m
$322
BostonAguadilla
BOS - BQN
BOSBQN
Boston Logan Intl
Mon 8/10
2:31 pm-11:09 pm
1 stop8h 38m
Aguadilla Borinquen
Sun 8/16
12:15 am-8:17 am
1 stop8h 02m
$322
BostonAguadilla
BOS - BQN
BOSBQN
Boston Logan Intl
Sat 7/25
2:40 pm-11:09 pm
1 stop8h 29m
Aguadilla Borinquen
Wed 7/29
12:15 am-8:17 am
1 stop8h 02m
$330
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
PWM-SJU
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
BOS-BQN
PWM-SJU
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 June 15, 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 June 15, 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$626 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$594 | FlexibilityNo cancel fee | On-time63% |