$105+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
Jun 6 — Jun 131
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 7, 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 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/1910:07 am
BOS
- SJU
1 stop7h 03m
Frontier
Wed 5/275:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/2![Frontier logo]()
$210
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Mon 5/1810:17 am
BOS
- SJU
1 stop7h 13m
Frontier
Thu 5/285:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Deal found 5/4![Frontier logo]()
$211
This Priceline deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1810:17 am
BOS
- SJU
1 stop7h 13m
Frontier
Tue 5/195:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$212
This eDestinos deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 8/126:00 am
BOS
- SJU
1 stop8h 16m
Frontier
Tue 8/185:15 pm
SJU
- BOS
1 stop14h 37m
Frontier
Deal found 5/2![Frontier logo]()
$214
This Flightnetwork deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Thu 6/45:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Tue 6/165:15 pm
SJU
- BOS
1 stop14h 37m
Frontier
Deal found 5/3![Frontier logo]()
$224
This Priceline deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1810:17 am
BOS
- SJU
1 stop7h 13m
Frontier
Sat 5/235:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Thu 8/206:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Wed 8/265:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Deal found 5/6![Frontier logo]()
$235
This Frontier deal was found by Cheapflights users on 5/5. 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 8/411:05 am
BOS
- SJU
1 stop12h 24m
Frontier
Wed 8/125:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Deal found 5/5![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
BOS
- SJU
1 stop8h 16m
Frontier
Thu 8/205:15 pm
SJU
- BOS
1 stop8h 12m
Frontier
Deal found 5/5![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:05 am
BOS
- SJU
1 stop12h 24m
Frontier
Thu 8/135:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Deal found 5/6![Frontier logo]()
$238
This CheapOair deal was found by Cheapflights users on 5/6. 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.
Tue 7/711:05 am
BOS
- PSE
1 stop23h 52m
Frontier
Tue 7/1410:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Deal found 5/6![Frontier logo]()
$256
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 7, 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 7, 2026.
This CheapOair deal was found by Cheapflights users on 5/6. 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.
Tue 7/711:05 am
BOS
- PSE
1 stop23h 52m
Frontier
Tue 7/1410:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Deal found 5/6![Frontier logo]()
$256
This Delta deal was found by Cheapflights users on 5/5. 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 5/5![Delta logo]()
$302
This American Airlines deal was found by Cheapflights users on 5/5. 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 10/2012:36 pm
PWM
- SJU
2 stops11h 14m
American Airlines
Mon 10/265:25 am
SJU
- PWM
1 stop13h 00m
American Airlines
Deal found 5/5![American Airlines logo]()
$302
This JetBlue deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:20 pm
BOS
- SJU
Nonstop4h 38m
JetBlue
Fri 9/187:10 am
SJU
- BOS
1 stop9h 51m
JetBlue
Deal found 5/6![JetBlue logo]()
$342
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/1911:08 am
PWM
- SJU
2 stops10h 16m
United Airlines
Wed 5/201:00 am
SJU
- PWM
1 stop8h 11m
United Airlines
Deal found 5/4![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:15 am
BOS
- SJU
2 stops10h 45m
Southwest
Wed 8/125:15 am
SJU
- BOS
2 stops10h 45m
Southwest
Deal found 5/6![Southwest logo]()
$422
This CheapOair deal was found by Cheapflights users on 5/6. 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.
Tue 7/146:04 am
BOS
- BQN
2 stops18h 29m
Multiple Airlines
Mon 7/203:00 am
BQN
- BOS
1 stop7h 09m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$437
This CheapOair deal was found by Cheapflights users on 5/5. 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.
Wed 7/811:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Sun 7/1210:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Deal found 5/5![Frontier logo]()
$301
This Delta deal was found by Cheapflights users on 5/6. 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 10/298:15 am
BOS
- SJU
Nonstop4h 06m
Delta
Mon 11/26:43 pm
SJU
- BOS
1 stop7h 15m
Delta
Deal found 5/6![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 5/5. 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 9/49:55 am
BOS
- SJU
1 stop6h 36m
Delta
Wed 9/91:35 pm
SJU
- BOS
1 stop9h 01m
Delta
Deal found 5/5![Delta logo]()
$312
This JetBlue deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/236:14 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Fri 5/293:25 am
SJU
- BOS
1 stop8h 11m
JetBlue
Deal found 5/4![JetBlue logo]()
$352
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 7/911:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Thu 7/1610:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Deal found 5/3![Frontier logo]()
$321
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/193:39 pm
PWM
- SJU
1 stop8h 11m
United Airlines
Sat 5/234:55 pm
SJU
- PWM
1 stop6h 56m
United Airlines
Deal found 5/4![United Airlines logo]()
$378
This CheapOair deal was found by Cheapflights users on 5/6. 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.
Mon 7/2011:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Sun 7/2610:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Deal found 5/6![Frontier logo]()
$341
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/166:00 am
PWM
- SJU
2 stops12h 10m
American Airlines
Wed 9/2312:05 pm
SJU
- PWM
2 stops11h 19m
American Airlines
Deal found 5/2![American Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 7/45:30 am
BOS
- SJU
1 stop7h 34m
Delta
Sat 7/112:03 pm
SJU
- BOS
Nonstop4h 11m
Delta
Deal found 5/2![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/157:19 am
BOS
- BQN
2 stops15h 50m
United Airlines
Mon 7/2012:15 am
BQN
- BOS
1 stop8h 02m
United Airlines
Deal found 5/4![United Airlines logo]()
$395
This CheapOair deal was found by Cheapflights users on 5/6. 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.
Sun 7/1911:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Sat 7/2510:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Deal found 5/6![Frontier logo]()
$341
This JetBlue deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/24:10 pm
BOS
- SJU
1 stop8h 03m
JetBlue
Sat 7/113:25 pm
SJU
- BOS
Nonstop4h 07m
JetBlue
Deal found 5/2![JetBlue logo]()
$413
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 stop15h 29m
American Airlines
Deal found 5/3![American Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 5/6. 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 8/226:00 am
PWM
- SJU
1 stop8h 44m
United Airlines
Tue 8/251:00 am
SJU
- PWM
2 stops9h 02m
United Airlines
Deal found 5/6![United Airlines logo]()
$412
This JetBlue deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 8/99:35 pm
BOS
- SJU
Nonstop4h 02m
JetBlue
Sat 8/156:00 am
SJU
- BOS
Nonstop4h 05m
JetBlue
Deal found 5/4![JetBlue logo]()
$414
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:57 am
BOS
- PSE
1 stop23h 10m
Frontier
Tue 5/1910:02 am
PSE
- BOS
1 stop23h 10m
Frontier
Deal found 5/2![Frontier logo]()
$347
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/146:06 am
BOS
- SJU
1 stop10h 23m
Delta
Fri 7/102:03 pm
SJU
- BOS
Nonstop4h 07m
Delta
Deal found 5/2![Delta logo]()
$388
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/57:19 am
BGR
- SJU
2 stops11h 06m
American Airlines
Tue 6/96:21 am
SJU
- BGR
1 stop15h 28m
American Airlines
Deal found 5/2![American Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/166:00 am
PWM
- SJU
1 stop7h 45m
United Airlines
Tue 9/221:00 am
SJU
- PWM
2 stops9h 02m
United Airlines
Deal found 5/2![United Airlines logo]()
$412
This JetBlue deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:10 am
BOS
- BQN
1 stop8h 16m
JetBlue
Mon 8/242:30 pm
BQN
- BOS
1 stop9h 49m
JetBlue
Deal found 5/6![JetBlue logo]()
$437
This CheapOair deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Sun 7/1911:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Fri 7/2410:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Deal found 5/4![Frontier logo]()
$366
This American Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:20 am
BGR
- SJU
2 stops15h 25m
American Airlines
Wed 6/31:47 pm
SJU
- BGR
2 stops10h 12m
American Airlines
Deal found 5/7![American Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 10/278:15 am
BOS
- BQN
2 stops14h 42m
United Airlines
Tue 11/31:09 am
BQN
- BOS
2 stops12h 38m
United Airlines
Deal found 5/5![United Airlines logo]()
$422
Last-minute flights from Maine to Puerto RicoDiscover last-minute flight deals from Maine to Puerto Rico. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Puerto Rico. Data last updated May 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/910:07 am
BOS
- PSE
1 stop23h 00m
Frontier
Sat 5/1610:02 am
PSE
- BOS
1 stop23h 10m
Frontier
Deal found 5/2![Frontier logo]()
$308
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Mon 5/1810:17 am
BOS
- SJU
1 stop7h 13m
Frontier
Thu 5/285:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Deal found 5/4![Frontier logo]()
$211
This Priceline deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1810:17 am
BOS
- SJU
1 stop7h 13m
Frontier
Tue 5/195:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$212
This Priceline deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1810:17 am
BOS
- SJU
1 stop7h 13m
Frontier
Sat 5/235:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/186:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Fri 5/225:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/2![Frontier logo]()
$251
This CheapOair deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/1810:17 am
BOS
- SJU
1 stop26h 58m
Frontier
Thu 5/215:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/2![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/1910:07 am
BOS
- SJU
1 stop7h 03m
Frontier
Wed 5/275:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/2![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/279:20 am
BOS
- SJU
1 stop14h 59m
Multiple Airlines
Sat 5/305:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$252
This Flightnetwork deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Thu 6/45:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Tue 6/165:15 pm
SJU
- BOS
1 stop14h 37m
Frontier
Deal found 5/3![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Fri 6/125:15 pm
SJU
- BOS
1 stop14h 33m
Frontier
Deal found 5/4![Frontier logo]()
$244
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/122:59 pm
PWM
- SJU
1 stop8h 44m
Delta
Wed 6/175:45 pm
SJU
- PWM
1 stop7h 07m
Delta
Deal found 5/3![Delta logo]()
$302
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 7, 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 7, 2026.
This Super.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sat 5/1610:07 am
BOS
- SJU
1 stop12h 36m
Frontier
Deal found 5/2![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Mon 5/1810:17 am
BOS
- SJU
1 stop7h 13m
Frontier
Deal found 5/4![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Wed 5/2010:07 am
BOS
- SJU
1 stop21h 57m
Frontier
Deal found 5/4![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sun 5/1710:07 am
BOS
- PSE
1 stop22h 55m
Frontier
Deal found 5/3![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:05 am
BOS
- SJU
1 stop15h 06m
Frontier
Deal found 5/5![Frontier logo]()
$117
This eDestinos deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sun 8/306:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/2![Frontier logo]()
$125
This Expedia deal was found by Cheapflights users on 5/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1811:05 am
BOS
- SJU
1 stop20h 52m
Frontier
Deal found 5/5![Frontier logo]()
$126
This Priceline deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/1710:07 am
BOS
- BQN
1 stop15h 55m
Frontier
Deal found 5/4![Frontier logo]()
$127
This Booking.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 5/1310:07 am
BOS
- SJU
1 stop16h 01m
Frontier
Deal found 5/2![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sat 8/86:00 am
BOS
- SJU
1 stop8h 16m
Frontier
Deal found 5/2![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 8/36:00 am
BOS
- SJU
1 stop8h 16m
Frontier
Deal found 5/4![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 5/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
BOS
- SJU
1 stop8h 15m
Frontier
Deal found 5/6![Frontier logo]()
$138
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 7, 2026.
Round-trip from | $210 (Kiwi.com) |
|---|---|
One-way from | $105 (Super.com) |
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 7, 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
Tue 7/7
11:05 am-10:57 am
1 stop23h 52m
Ponce Mercedita
Tue 7/14
10:31 am-10:09 am
1 stop23h 38m
$256
BostonPonce
BOS - PSE
BOSPSE
Boston Logan Intl
Wed 7/8
11:05 am-9:46 am
1 stop22h 41m
Ponce Mercedita
Sun 7/12
10:31 am-10:09 am
1 stop23h 38m
$301
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
Tue 10/20
12:36 pm-11:50 pm
2 stops11h 14m
San Juan Luis Munoz Marin Intl
Mon 10/26
5:25 am-6:25 pm
1 stop13h 00m
$302
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Thu 10/29
8:15 am-12:21 pm
Nonstop4h 06m
San Juan Luis Munoz Marin Intl
Mon 11/2
6:43 pm-12:58 am
1 stop7h 15m
$308
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Fri 9/4
9:55 am-4:31 pm
1 stop6h 36m
San Juan Luis Munoz Marin Intl
Wed 9/9
1:35 pm-10:36 pm
1 stop9h 01m
$312
BostonPonce
BOS - PSE
BOSPSE
Boston Logan Intl
Thu 7/9
11:05 am-9:46 am
1 stop22h 41m
Ponce Mercedita
Thu 7/16
10:31 am-10:09 am
1 stop23h 38m
$321
BostonPonce
BOS - PSE
BOSPSE
Boston Logan Intl
Mon 7/20
11:05 am-9:46 am
1 stop22h 41m
Ponce Mercedita
Sun 7/26
10:31 am-10:09 am
1 stop23h 38m
$341
BostonPonce
BOS - PSE
BOSPSE
Boston Logan Intl
Sun 7/19
11:05 am-9:46 am
1 stop22h 41m
Ponce Mercedita
Sat 7/25
10:31 am-10:09 am
1 stop23h 38m
$341
BostonSan Juan
BOS - SJU
BOSSJU
Boston Logan Intl
Sat 9/12
7:20 pm-11:58 pm
Nonstop4h 38m
San Juan Luis Munoz Marin Intl
Fri 9/18
7:10 am-5:01 pm
1 stop9h 51m
$342
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-PSE
BOS-BQN
PWM-SJU
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-PSE
BOS-BQN
PWM-SJU
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 31 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 December is currently the most expensive (average of $298). 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 May 7, 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 7, 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$445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$626 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$315 | Average$565 | FlexibilityNo cancel fee | On-time63% |