$158+ Cheap flights from Maine to Puerto Rico
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SJU
Nov 18 — Nov 251
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
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
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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 October 19, 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 October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:28 pm -
2 stops26h 22m
Tue 12/87:00 am -
1 stop27h 08m
Deal found 10/15![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:53 pm -
2 stops25h 08m
Tue 11/311:20 am -
1 stop22h 48m
Deal found 10/14![Multiple Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 12/23:20 pm -
1 stop8h 16m
Tue 12/88:05 am -
1 stop7h 32m
Deal found 10/15![United Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/57:12 pm -
1 stop14h 11m
Sat 12/123:27 pm -
2 stops50h 28m
Deal found 10/19![Multiple Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops14h 34m
Tue 12/81:54 pm -
1 stop8h 46m
Deal found 10/15![American Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 10/319:48 am -
1 stop16h 02m
Tue 11/33:55 am -
2 stops13h 29m
Deal found 10/16![Multiple Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 12/127:00 am -
1 stop6h 40m
Sat 12/122:05 am -
1 stop8h 00m
Deal found 10/16![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/57:00 am -
1 stop6h 40m
Sat 12/128:05 am -
1 stop7h 32m
Deal found 10/19![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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.
Sun 12/61:40 pm -
1 stop10h 30m
Sun 12/137:30 am -
2 stops10h 00m
Deal found 10/19![Southwest logo]()
$437
This American Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/76:00 am -
1 stop17h 11m
Fri 12/118:30 am -
1 stop15h 37m
Deal found 10/18![American Airlines logo]()
$456
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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.
Thu 11/54:24 pm -
2 stops16h 18m
Mon 11/91:53 pm -
2 stops11h 15m
Deal found 10/16![American Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Sun 11/1511:00 am -
2 stops10h 22m
Mon 11/232:05 am -
1 stop9h 08m
Deal found 10/15![United Airlines logo]()
$561
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 October 19, 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 October 19, 2026.
This Delta deal was found by Cheapflights users on 10/15. 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.
Sat 2/62:35 pm -
1 stop8h 20m
Tue 2/97:00 am -
1 stop7h 53m
Deal found 10/15![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 10/14. 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 1/193:14 pm -
1 stop8h 22m
Tue 1/268:05 am -
1 stop7h 28m
Deal found 10/14![United Airlines logo]()
$356
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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.
Mon 2/225:20 am -
1 stop7h 10m
Sat 2/276:10 am -
1 stop11h 15m
Deal found 10/19![Southwest logo]()
$439
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 1/266:12 am -
2 stops14h 18m
Tue 2/26:20 am -
2 stops9h 21m
Deal found 10/19![American Airlines logo]()
$456
This BusinessClass deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/255:35 pm -
2 stops14h 58m
Sat 3/66:30 pm -
2 stops18h 30m
Deal found 10/18![Multiple Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 1/302:35 pm -
1 stop8h 20m
Sat 2/67:00 am -
1 stop7h 53m
Deal found 10/16![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Tue 2/211:25 am -
2 stops9h 57m
Mon 2/82:05 am -
1 stop9h 39m
Deal found 10/15![United Airlines logo]()
$456
This American Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 12/76:00 am -
1 stop17h 11m
Fri 12/118:30 am -
1 stop15h 37m
Deal found 10/18![American Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 10/15. 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.
Mon 2/12:35 pm -
1 stop8h 20m
Mon 2/87:00 am -
1 stop7h 53m
Deal found 10/15![Delta logo]()
$424
This Southwest deal was found by Cheapflights users on 10/14. 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 10/293:25 pm -
2 stops10h 00m
Mon 11/25:35 am -
2 stops8h 30m
Deal found 10/14![Southwest logo]()
$492
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/295:50 am -
2 stops14h 10m
Sun 11/12:05 am -
1 stop7h 55m
Deal found 10/14![United Airlines logo]()
$492
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 1/202:35 pm -
1 stop8h 20m
Sun 1/316:05 pm -
1 stop6h 44m
Deal found 10/17![Delta logo]()
$470
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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.
Thu 11/54:24 pm -
2 stops16h 18m
Mon 11/91:53 pm -
2 stops11h 15m
Deal found 10/16![American Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 1/1111:25 am -
2 stops9h 57m
Thu 1/142:05 am -
1 stop9h 39m
Deal found 10/18![United Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 10/15. 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.
Fri 2/52:35 pm -
1 stop8h 20m
Tue 2/93:55 pm -
1 stop7h 28m
Deal found 10/15![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 10/15. 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.
Fri 2/52:35 pm -
1 stop8h 20m
Thu 2/117:00 am -
1 stop7h 53m
Deal found 10/15![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 10/15. 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.
Thu 3/256:00 am -
2 stops17h 19m
Wed 3/311:15 pm -
1 stop8h 46m
Deal found 10/15![Delta logo]()
$649
Last-minute flights from Maine to Puerto RicoDiscover last-minute flight deals from Maine to Puerto Rico. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Puerto Rico. Data last updated October 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/295:30 am -
1 stop6h 45m
Mon 11/28:05 am -
1 stop7h 22m
Deal found 10/14![United Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:53 pm -
2 stops25h 08m
Tue 11/311:20 am -
1 stop22h 48m
Deal found 10/14![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 10/319:48 am -
1 stop16h 02m
Tue 11/33:55 am -
2 stops13h 29m
Deal found 10/16![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/25:35 pm -
2 stops32h 15m
Fri 11/67:26 pm -
1 stop14h 42m
Deal found 10/18![Multiple Airlines logo]()
$480
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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.
Mon 11/211:10 am -
2 stops10h 45m
Fri 11/66:05 am -
2 stops11h 25m
Deal found 10/18![Southwest logo]()
$507
This American Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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.
Thu 11/54:24 pm -
2 stops16h 18m
Mon 11/91:53 pm -
2 stops11h 15m
Deal found 10/16![American Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:50 am -
1 stop7h 50m
Mon 11/95:50 pm -
1 stop7h 09m
Deal found 10/18![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/65:10 pm -
1 stop7h 00m
Mon 11/95:35 am -
2 stops8h 30m
Deal found 10/18![Southwest logo]()
$489
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” 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 11/131:40 pm -
2 stops10h 20m
Mon 11/166:40 am -
1 stop9h 05m
Deal found 10/18![Southwest logo]()
$487
This American Airlines deal was found by Cheapflights users on 10/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:45 am -
1 stop14h 42m
Thu 12/32:28 pm -
1 stop9h 20m
Deal found 10/15![American Airlines logo]()
$497
This Southwest deal was found by Cheapflights users on 10/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:10 pm -
1 stop7h 00m
Thu 12/36:10 am -
2 stops9h 35m
Deal found 10/15![Southwest logo]()
$506
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 11/286:00 am -
1 stop6h 32m
Fri 12/42:05 am -
1 stop8h 00m
Deal found 10/19![United Airlines logo]()
$493
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 October 19, 2026.
Search for one-way flight options from Maine to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 11/710:07 am -
1 stop24h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$158
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/194:48 pm -
2 stops12h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/154:24 pm -
2 stops18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 10/15. 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 2/13:14 pm -
1 stop8h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![United Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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.
Thu 11/196:00 am -
2 stops15h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![American Airlines logo]()
$234
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 2/192:35 pm -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1012:28 pm -
2 stops12h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Wed 2/103:14 pm -
1 stop8h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![United Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 2/195:00 pm -
3 stops18h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” 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 10/252:38 pm -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” 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 12/1511:23 am -
1 stop12h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” 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 12/111:23 am -
2 stops9h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![United Airlines logo]()
$429
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 October 19, 2026.
Round-trip from | $300 (Kiwi.com) |
|---|---|
One-way from | $158 (Kiwi.com) |
Popular in | April |
Cheapest in | May |
Average price | $362 |
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 7,457,451 searches. Data last updated October 19, 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
BangorSan Juan
BGR Bangor - SJU San Juan Luis Munoz Marin Intl
BGRSJU
Bangor
Sat 11/7
10:07 am-11:45 am
1 stop24h 38m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$158
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Fri 2/19
4:48 pm-6:15 am
2 stops12h 27m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
BangorSan Juan
BGR Bangor - SJU San Juan Luis Munoz Marin Intl
BGRSJU
Bangor
Tue 12/15
4:24 pm-12:04 pm
2 stops18h 40m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$228
Quickest round-trip
BangorSan Juan
BGR Bangor - SJU San Juan Luis Munoz Marin Intl
BGRSJU
Bangor
Tue 12/1
3:45 pm-11:58 pm
1 stop7h 13m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$228
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Mon 2/1
3:14 pm-12:36 am
1 stop8h 22m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$228
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Thu 11/19
6:00 am-10:36 pm
2 stops15h 36m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$234
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Fri 2/19
2:35 pm-11:55 pm
1 stop8h 20m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$246
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Wed 2/10
3:14 pm-12:36 am
1 stop8h 22m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$303
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Sat 2/6
2:35 pm-11:55 pm
1 stop8h 20m
San Juan Luis Munoz Marin Intl
Tue 2/9
7:00 am-1:53 pm
1 stop7h 53m
$356
PortlandSan Juan
PWM Portland - SJU San Juan Luis Munoz Marin Intl
PWMSJU
Portland
Tue 1/19
3:14 pm-12:36 am
1 stop8h 22m
San Juan Luis Munoz Marin Intl
Tue 1/26
8:05 am-2:33 pm
1 stop7h 28m
$356
Showing 1-10 of 28 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.
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
PWM-SJU
BGR-SJU
What is the cheapest month to book a flight from Maine to Puerto Rico?
Currently, January is the cheapest month in which you can book a flight from Maine to Puerto Rico (average of $371). Flying from Maine to Puerto Rico in April is currently the most expensive (average of $761). 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 37 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.
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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 October 19, 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 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$515 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$682 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$322 | Average$589 | FlexibilityNo cancel fee | On-time63% |