$203+ Cheap flights from Allentown (ABE) 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SJU
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Allentown 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 Allentown to Puerto Rico
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Cheapest flights from Allentown to Puerto RicoExplore the most affordable flight options available from Allentown to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Allentown to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 8/316:00 am -
1 stop8h 51m
Fri 9/47:30 am -
1 stop15h 55m
Deal found 8/16![American Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sun 9/133:00 pm -
1 stop22h 34m
Sat 9/196:10 pm -
2 stops27h 27m
Deal found 8/14![Multiple Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 8/15. 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.
Wed 9/96:25 am -
1 stop10h 24m
Wed 9/162:59 pm -
1 stop7h 17m
Deal found 8/15![Delta logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sun 10/47:55 am -
1 stop29h 39m
Sat 10/173:20 pm -
1 stop22h 56m
Deal found 8/16![Multiple Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:25 pm -
1 stop22h 46m
Fri 8/286:35 am -
1 stop10h 00m
Deal found 8/12![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 10/29:01 pm -
1 stop19h 49m
Sat 10/103:00 am -
1 stop11h 14m
Deal found 8/14![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:55 pm -
1 stop10h 39m
Wed 9/96:42 pm -
1 stop19h 28m
Deal found 8/13![Multiple Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 8/15. 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.
Wed 9/96:25 am -
1 stop10h 24m
Tue 9/152:59 pm -
1 stop7h 17m
Deal found 8/15![Delta logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:25 pm -
1 stop22h 46m
Thu 8/2712:11 pm -
1 stop8h 20m
Deal found 8/12![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/232:28 pm -
1 stop11h 47m
Fri 8/286:35 am -
1 stop10h 00m
Deal found 8/12![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:28 pm -
1 stop8h 45m
Wed 9/166:42 pm -
1 stop25h 43m
Deal found 8/12![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:28 pm -
1 stop17h 43m
Fri 8/286:35 am -
1 stop10h 00m
Deal found 8/12![Multiple Airlines logo]()
$411
Best flights from Allentown to Puerto RicoDiscover carefully curated flight deals from Allentown to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Allentown to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sun 9/133:00 pm -
1 stop22h 34m
Sat 9/196:10 pm -
2 stops27h 27m
Deal found 8/14![Multiple Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 8/16. 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 1/231:00 pm -
1 stop7h 00m
Sat 1/303:55 pm -
1 stop7h 51m
Deal found 8/16![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 9/1210:32 am -
2 stops13h 18m
Fri 9/181:00 am -
3 stops15h 56m
Deal found 8/15![United Airlines logo]()
$626
This Delta deal was found by Cheapflights users on 8/16. 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 1/231:00 pm -
1 stop7h 00m
Thu 2/47:30 am -
1 stop10h 42m
Deal found 8/16![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/171:00 pm -
1 stop7h 00m
Wed 1/203:55 pm -
1 stop7h 51m
Deal found 8/14![Delta logo]()
$470
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 9/136:15 am -
1 stop8h 29m
Fri 9/181:00 am -
3 stops15h 56m
Deal found 8/14![United Airlines logo]()
$673
This Delta deal was found by Cheapflights users on 8/15. 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 9/116:25 am -
1 stop10h 24m
Wed 9/162:59 pm -
1 stop7h 17m
Deal found 8/15![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 8/316:15 am -
1 stop8h 29m
Fri 9/43:56 pm -
1 stop18h 01m
Deal found 8/16![United Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 8/286:15 am -
1 stop8h 29m
Tue 9/17:00 am -
2 stops14h 00m
Deal found 8/14![United Airlines logo]()
$708
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/141:00 pm -
1 stop9h 50m
Mon 1/186:15 am -
1 stop11h 57m
Deal found 8/12![Delta logo]()
$719
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:00 pm -
1 stop9h 18m
Mon 10/192:59 pm -
1 stop7h 30m
Deal found 8/13![Delta logo]()
$756
Last-minute flights from Allentown to Puerto RicoDiscover last-minute flight deals from Allentown to Puerto Rico. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Puerto Rico. Data last updated August 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:28 pm -
1 stop17h 43m
Fri 8/286:35 am -
1 stop10h 00m
Deal found 8/12![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/232:28 pm -
1 stop11h 47m
Fri 8/286:35 am -
1 stop10h 00m
Deal found 8/12![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:25 pm -
1 stop22h 46m
Fri 8/286:35 am -
1 stop10h 00m
Deal found 8/12![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:25 pm -
1 stop22h 46m
Thu 8/2712:11 pm -
1 stop8h 20m
Deal found 8/12![Multiple Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Mon 8/316:00 am -
1 stop8h 51m
Fri 9/47:30 am -
1 stop15h 55m
Deal found 8/16![American Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:55 pm -
1 stop10h 39m
Wed 9/96:42 pm -
1 stop19h 28m
Deal found 8/13![Multiple Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 am -
1 stop10h 24m
Wed 9/162:59 pm -
1 stop7h 17m
Deal found 8/15![Delta logo]()
$432
This Delta deal was found by Cheapflights users on 8/15. 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.
Wed 9/96:25 am -
1 stop10h 24m
Wed 9/162:59 pm -
1 stop7h 17m
Deal found 8/15![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 8/15. 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.
Wed 9/96:25 am -
1 stop10h 24m
Tue 9/152:59 pm -
1 stop7h 17m
Deal found 8/15![Delta logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:28 pm -
1 stop8h 45m
Wed 9/166:42 pm -
1 stop25h 43m
Deal found 8/12![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Sun 9/133:00 pm -
1 stop22h 34m
Sat 9/196:10 pm -
2 stops27h 27m
Deal found 8/14![Multiple Airlines logo]()
$340
One-way flights from Allentown to Puerto RicoSearch for one-way flight options from Allentown to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Allentown to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:55 pm -
2 stops27h 57m
Deal found 8/13![Multiple Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 8/16. 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.
Wed 9/96:25 am -
1 stop10h 24m
Deal found 8/16![Delta logo]()
$218
This American Airlines deal was found by Cheapflights users on 8/15. 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 8/264:57 pm -
1 stop7h 02m
Deal found 8/15![American Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 9/96:15 am -
2 stops14h 23m
Deal found 8/16![United Airlines logo]()
$231
This Delta deal was found by Cheapflights users on 8/16. 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.
Tue 9/86:25 am -
1 stop10h 24m
Deal found 8/16![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 8/15. 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 8/266:15 am -
2 stops14h 23m
Deal found 8/15![United Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/189:01 pm -
3 stops40h 33m
Deal found 8/14![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 8/2611:00 am -
3 stops53h 01m
Deal found 8/15![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Wed 12/308:00 am -
1 stop29h 02m
Deal found 8/16![Multiple Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 9/86:15 am -
2 stops14h 23m
Deal found 8/16![United Airlines logo]()
$368
Find flight deals from Allentown to Puerto Rico
Keep the following information in mind while searching for Allentown to Puerto Rico flight deals. Data was last updated August 17, 2026.
Round-trip from | $296 (Delta) |
|---|---|
One-way from | $203 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $373 |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown 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 August 17, 2026.
Use the filters below to find and compare flights from Allentown to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Sun 9/13
3:00 pm-1:34 pm
1 stop22h 34m
San Juan Luis Munoz Marin Intl
Sat 9/19
6:10 pm-9:37 pm
2 stops27h 27m
$340
Quickest round-trip
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Sat 1/23
1:00 pm-9:00 pm
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Sat 1/30
3:55 pm-10:46 pm
1 stop7h 51m
$409
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Sat 1/23
1:00 pm-9:00 pm
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Thu 2/4
7:30 am-5:12 pm
1 stop10h 42m
$444
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Sun 1/17
1:00 pm-9:00 pm
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Wed 1/20
3:55 pm-10:46 pm
1 stop7h 51m
$470
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Fri 9/11
6:25 am-4:49 pm
1 stop10h 24m
San Juan Luis Munoz Marin Intl
Wed 9/16
2:59 pm-10:16 pm
1 stop7h 17m
$563
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Sat 9/12
10:32 am-11:50 pm
2 stops13h 18m
San Juan Luis Munoz Marin Intl
Fri 9/18
1:00 am-4:56 pm
3 stops15h 56m
$626
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Sun 9/13
6:15 am-2:44 pm
1 stop8h 29m
San Juan Luis Munoz Marin Intl
Fri 9/18
1:00 am-4:56 pm
3 stops15h 56m
$673
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Mon 8/31
6:15 am-2:44 pm
1 stop8h 29m
San Juan Luis Munoz Marin Intl
Fri 9/4
3:56 pm-9:57 am
1 stop18h 01m
$702
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Fri 8/28
6:15 am-2:44 pm
1 stop8h 29m
San Juan Luis Munoz Marin Intl
Tue 9/1
7:00 am-9:00 pm
2 stops14h 00m
$708
AllentownSan Juan
ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl
ABESJU
Allentown-Bethlehem
Thu 1/14
1:00 pm-11:50 pm
1 stop9h 50m
San Juan Luis Munoz Marin Intl
Mon 1/18
6:15 am-5:12 pm
1 stop11h 57m
$719
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Allentown to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Allentown with our price prediction graph.
ABE-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 Allentown to Puerto Rico
ABE-PR0
ABE-SJU
What is the cheapest month to book a flight from Allentown to Puerto Rico?
Currently, February is the cheapest month in which you can book a flight from Allentown to Puerto Rico (average of $327). Flying from Allentown to Puerto Rico in September is currently the most expensive (average of $1,319). 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.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated August 17, 2026.
Read reviews from past customers who have flown Delta,American Airlines, andFrontier from Allentown to Puerto Rico. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Boarding
8.1
Overall
7.8
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$210 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$272 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$275 | Average$530 | FlexibilityNo cancel fee | On-timeN/A |