$112+ Cheap flights from Puerto Rico to Maine
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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — PWM
Jun 5 — Jun 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Puerto Rico to Maine 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 Puerto Rico to Maine
Cheapest
Best
Last-minute
One-way
Cheapest flights from Puerto Rico to MaineExplore the most affordable flight options available from Puerto Rico to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
Explore the most affordable flight options available from Puerto Rico to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Mon 6/16:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/1![Frontier logo]()
$210
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.
Fri 6/55:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Sun 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/4![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/155:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Mon 5/1810:17 am
BOS
- SJU
1 stop15h 51m
Frontier
Deal found 5/1![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/135:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sat 5/166:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/1![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/85:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Fri 5/156:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/1![Frontier logo]()
$233
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.
Wed 8/55:15 pm
SJU
- BOS
1 stop14h 31m
Frontier
Wed 8/1211:05 am
BOS
- SJU
1 stop12h 24m
Frontier
Deal found 5/5![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Thu 5/75:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sat 5/166:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/1![Frontier logo]()
$239
This eDestinos deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:23 am
SJU
- BOS
1 stop10h 19m
Spirit Airlines
Mon 5/117:00 am
BOS
- SJU
1 stop17h 19m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$241
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/132:05 pm
SJU
- BOS
1 stop9h 49m
Spirit Airlines
Tue 6/169:20 am
BOS
- SJU
1 stop14h 39m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/35:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Sun 6/75:45 am
BOS
- SJU
1 stop7h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$247
This Expedia deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Fri 5/85:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Mon 5/117:00 am
BOS
- SJU
1 stop17h 19m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$250
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Sat 8/86:00 am
BOS
- SJU
1 stop8h 16m
Frontier
Deal found 5/3![Frontier logo]()
$253
Best flights from Puerto Rico to MaineDiscover carefully curated flight deals from Puerto Rico to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Puerto Rico to Maine that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
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.
Fri 8/2110:37 am
PSE
- BOS
1 stop23h 32m
Frontier
Mon 8/2411:05 am
BOS
- PSE
1 stop22h 47m
Frontier
Deal found 5/3![Frontier logo]()
$296
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.
Thu 5/282:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Mon 6/18:50 am
BOS
- SJU
Nonstop3h 59m
Delta
Deal found 5/2![Delta logo]()
$303
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.
Wed 6/33:24 pm
SJU
- BOS
Nonstop4h 08m
JetBlue
Sat 6/68:00 am
BOS
- SJU
Nonstop4h 02m
JetBlue
Deal found 5/2![JetBlue logo]()
$303
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.
Mon 9/2112:15 am
BQN
- BOS
2 stops10h 02m
United Airlines
Tue 9/293:35 pm
BOS
- BQN
1 stop7h 34m
United Airlines
Deal found 5/2![United Airlines logo]()
$322
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:37 am
PSE
- BOS
1 stop23h 32m
Multiple Airlines
Mon 8/244:30 pm
BOS
- PSE
2 stops15h 26m
Multiple Airlines
Deal found 5/3![Multiple Airlines 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.
Tue 6/210:29 am
SJU
- PWM
2 stops13h 22m
American Airlines
Tue 6/97:58 am
PWM
- SJU
2 stops14h 00m
American Airlines
Deal found 5/3![American Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 8/201:26 pm
SJU
- BOS
Nonstop4h 14m
Delta
Sun 8/238:10 am
BOS
- SJU
Nonstop4h 06m
Delta
Deal found 5/1![Delta logo]()
$303
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.
Mon 8/310:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Fri 8/711:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Deal found 5/5![Frontier logo]()
$321
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 9/2112:15 am
BQN
- BOS
2 stops10h 02m
United Airlines
Wed 9/309:30 am
BOS
- BQN
2 stops13h 39m
United Airlines
Deal found 5/1![United Airlines logo]()
$322
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:30 pm
SJU
- BOS
Nonstop4h 05m
Delta
Sun 9/278:15 am
BOS
- SJU
Nonstop4h 05m
Delta
Deal found 5/4![Delta logo]()
$303
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:20 pm
BQN
- BOS
1 stop7h 30m
JetBlue
Wed 9/301:00 pm
BOS
- BQN
1 stop9h 39m
JetBlue
Deal found 5/2![JetBlue logo]()
$356
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 5/222:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Tue 5/265:40 am
BOS
- SJU
1 stop7h 40m
Delta
Deal found 5/3![Delta logo]()
$308
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.
Wed 8/511:42 am
PSE
- BOS
1 stop22h 27m
Frontier
Fri 8/711:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Deal found 5/3![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.
Wed 8/262:30 pm
BQN
- BOS
1 stop7h 27m
JetBlue
Sat 8/295:10 am
BOS
- BQN
1 stop8h 16m
JetBlue
Deal found 5/2![JetBlue logo]()
$361
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 10/103:10 pm
SJU
- BOS
1 stop8h 24m
Delta
Tue 10/138:15 am
BOS
- SJU
Nonstop4h 06m
Delta
Deal found 5/1![Delta logo]()
$308
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 7/2310:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Tue 7/2811:05 am
BOS
- PSE
1 stop23h 52m
Frontier
Deal found 5/3![Frontier logo]()
$341
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.
Wed 10/147:00 am
SJU
- BOS
1 stop8h 22m
Delta
Wed 10/218:15 am
BOS
- SJU
Nonstop4h 06m
Delta
Deal found 5/3![Delta logo]()
$308
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.
Tue 8/410:31 am
PSE
- BOS
1 stop23h 38m
Frontier
Thu 8/611:05 am
BOS
- PSE
1 stop22h 41m
Frontier
Deal found 5/2![Frontier logo]()
$361
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:25 pm
SJU
- BOS
Nonstop4h 06m
JetBlue
Mon 6/159:44 pm
BOS
- SJU
Nonstop4h 00m
JetBlue
Deal found 5/5![JetBlue logo]()
$405
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/191:10 pm
SJU
- BOS
1 stop9h 31m
Delta
Sat 8/156:00 am
BOS
- SJU
1 stop10h 31m
Delta
Deal found 5/1![Delta logo]()
$312
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.
Fri 7/175:01 am
SJU
- BOS
Nonstop4h 00m
JetBlue
Sat 7/259:55 pm
BOS
- SJU
Nonstop4h 00m
JetBlue
Deal found 5/2![JetBlue logo]()
$414
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.
Tue 8/254:55 pm
SJU
- PWM
1 stop7h 04m
United Airlines
Sat 8/293:44 pm
PWM
- SJU
1 stop8h 06m
United Airlines
Deal found 5/2![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2911:55 am
SJU
- PWM
2 stops11h 56m
American Airlines
Sun 5/316:00 am
PWM
- SJU
2 stops12h 25m
American Airlines
Deal found 5/1![American Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/292:00 pm
SJU
- BOS
Nonstop4h 18m
Delta
Sun 6/75:30 am
BOS
- SJU
1 stop7h 24m
Delta
Deal found 5/1![Delta logo]()
$348
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:59 pm
BQN
- BOS
1 stop16h 06m
JetBlue
Sun 5/318:30 pm
BOS
- BQN
1 stop6h 27m
JetBlue
Deal found 5/4![JetBlue logo]()
$428
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:15 am
BQN
- BOS
2 stops13h 47m
United Airlines
Sun 10/251:30 pm
BOS
- BQN
1 stop9h 27m
United Airlines
Deal found 5/3![United Airlines logo]()
$518
This Faresmojo 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/127:30 am
SJU
- PWM
1 stop10h 22m
JetBlue
Sun 7/56:00 am
PWM
- SJU
1 stop10h 46m
JetBlue
Deal found 5/5![JetBlue logo]()
$452
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.
Thu 8/65:50 pm
SJU
- PWM
1 stop7h 09m
Delta
Thu 8/136:00 am
PWM
- SJU
1 stop10h 33m
Delta
Deal found 5/5![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:55 pm
SJU
- PWM
1 stop6h 56m
United Airlines
Wed 5/275:15 am
PWM
- SJU
1 stop7h 19m
United Airlines
Deal found 4/30![United Airlines logo]()
$566
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 8/212:10 pm
SJU
- BOS
Nonstop4h 11m
Delta
Mon 8/248:50 am
BOS
- SJU
Nonstop4h 07m
Delta
Deal found 5/3![Delta logo]()
$379
Last-minute flights from Puerto Rico to MaineDiscover last-minute flight deals from Puerto Rico to Maine. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Maine. Data last updated May 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Thu 5/75:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sat 5/166:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/1![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/85:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Fri 5/156:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/1![Frontier logo]()
$233
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.
Fri 5/85:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sat 5/166:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/2![Frontier logo]()
$236
This eDestinos deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:23 am
SJU
- BOS
1 stop10h 19m
Spirit Airlines
Mon 5/117:00 am
BOS
- SJU
1 stop17h 19m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$241
This Expedia deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Fri 5/85:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Mon 5/117:00 am
BOS
- SJU
1 stop17h 19m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/135:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Sat 5/166:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/1![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/155:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Mon 5/1810:17 am
BOS
- SJU
1 stop15h 51m
Frontier
Deal found 5/1![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Mon 6/16:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/1![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/35:15 pm
SJU
- BOS
1 stop8h 09m
Multiple Airlines
Sun 6/75:45 am
BOS
- SJU
1 stop7h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$247
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.
Fri 6/55:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Sun 6/76:00 am
BOS
- SJU
1 stop8h 07m
Frontier
Deal found 5/4![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/55:15 pm
SJU
- BOS
1 stop14h 34m
Multiple Airlines
Sun 6/75:45 am
BOS
- SJU
1 stop7h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$254
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/132:05 pm
SJU
- BOS
1 stop9h 49m
Spirit Airlines
Tue 6/169:20 am
BOS
- SJU
1 stop14h 39m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$245
One-way flights from Puerto Rico to MaineSearch for one-way flight options from Puerto Rico to Maine. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Puerto Rico to Maine. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
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.
Mon 5/189:47 am
PSE
- BOS
1 stop23h 25m
Frontier
Deal found 5/3![Frontier logo]()
$112
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:00 am
SJU
- BOS
1 stop26h 06m
Frontier
Deal found 5/2![Frontier logo]()
$112
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.
Wed 5/275:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$114
This FlightHub deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Tue 5/196:00 am
SJU
- BOS
1 stop27h 12m
Frontier
Deal found 5/1![Frontier logo]()
$116
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/5![Frontier logo]()
$117
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.
Wed 7/85:15 pm
SJU
- BOS
1 stop8h 08m
Frontier
Deal found 5/5![Frontier logo]()
$118
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.
Thu 6/45:15 pm
SJU
- BOS
1 stop14h 34m
Frontier
Deal found 5/5![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1711:08 am
SJU
- BOS
1 stop8h 52m
Spirit Airlines
Deal found 5/1![Spirit Airlines logo]()
$122
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:00 am
SJU
- BOS
1 stop27h 05m
Frontier
Deal found 5/3![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/125:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/1![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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.
Wed 5/135:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/1![Frontier logo]()
$127
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.
Sat 5/235:15 pm
SJU
- BOS
1 stop8h 09m
Frontier
Deal found 5/4![Frontier logo]()
$128
Find flight deals from Puerto Rico to Maine
Keep the following information in mind while searching for Puerto Rico to Maine flight deals. Data was last updated May 6, 2026.
Round-trip from | $210 (Kiwi.com) |
|---|---|
One-way from | $112 (CheapOair) |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico to Maine 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 6, 2026.
Use the filters below to find and compare flights from Puerto Rico to Maine that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PonceBoston
PSE - BOS
PSEBOS
Ponce Mercedita
Fri 8/21
10:37 am-10:09 am
1 stop23h 32m
Boston Logan Intl
Mon 8/24
11:05 am-9:52 am
1 stop22h 47m
$296
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 5/28
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Mon 6/1
8:50 am-12:49 pm
Nonstop3h 59m
$303
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Wed 6/3
3:24 pm-7:32 pm
Nonstop4h 08m
Boston Logan Intl
Sat 6/6
8:00 am-12:02 pm
Nonstop4h 02m
$303
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 8/20
1:26 pm-5:40 pm
Nonstop4h 14m
Boston Logan Intl
Sun 8/23
8:10 am-12:16 pm
Nonstop4h 06m
$303
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Thu 9/24
1:30 pm-5:35 pm
Nonstop4h 05m
Boston Logan Intl
Sun 9/27
8:15 am-12:20 pm
Nonstop4h 05m
$303
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 5/22
2:00 pm-6:18 pm
Nonstop4h 18m
Boston Logan Intl
Tue 5/26
5:40 am-1:20 pm
1 stop7h 40m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Sat 10/10
3:10 pm-11:34 pm
1 stop8h 24m
Boston Logan Intl
Tue 10/13
8:15 am-12:21 pm
Nonstop4h 06m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Wed 10/14
7:00 am-3:22 pm
1 stop8h 22m
Boston Logan Intl
Wed 10/21
8:15 am-12:21 pm
Nonstop4h 06m
$308
San JuanBoston
SJU - BOS
SJUBOS
San Juan Luis Munoz Marin Intl
Fri 6/19
1:10 pm-10:41 pm
1 stop9h 31m
Boston Logan Intl
Sat 8/15
6:00 am-4:31 pm
1 stop10h 31m
$312
PonceBoston
PSE - BOS
PSEBOS
Ponce Mercedita
Mon 8/3
10:31 am-10:09 am
1 stop23h 38m
Boston Logan Intl
Fri 8/7
11:05 am-9:46 am
1 stop22h 41m
$321
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Maine
Have a flexible travel schedule? Discover the best time to fly to Maine from Puerto Rico with our price prediction graph.
SJU-BOS
PSE-BOS
BQN-BOS
SJU-PWM
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 Puerto Rico to Maine
PR0-USME
SJU-BOS
PSE-BOS
BQN-BOS
SJU-PWM
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico to Maine. 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