$201+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SJU
Jul 21 — Jul 281
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 June 21, 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 June 21, 2026.
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:57 pm
ABE
- SJU
1 stop7h 02m
American Airlines
Thu 8/277:30 am
SJU
- ABE
1 stop15h 55m
American Airlines
Deal found 6/17![American Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 10/194:32 pm
ABE
- SJU
1 stop20h 44m
Multiple Airlines
Sat 10/245:12 pm
SJU
- ABE
1 stop21h 04m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:00 am
ABE
- SJU
2 stops19h 44m
Multiple Airlines
Thu 8/278:57 pm
SJU
- ABE
1 stop12h 02m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/64:57 pm
ABE
- SJU
1 stop7h 02m
American Airlines
Thu 8/133:47 pm
SJU
- ABE
1 stop7h 38m
American Airlines
Deal found 6/16![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 8/261:10 pm
ABE
- SJU
1 stop9h 19m
Delta
Tue 9/112:56 pm
SJU
- ABE
1 stop9h 27m
Delta
Deal found 6/20![Delta logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/134:38 pm
ABE
- SJU
2 stops21h 38m
Multiple Airlines
Fri 7/176:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Tue 8/410:18 am
ABE
- SJU
1 stop24h 58m
Multiple Airlines
Sat 8/89:02 am
SJU
- ABE
1 stop26h 37m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$470
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 11/112:00 pm
ABE
- SJU
1 stop6h 32m
American Airlines
Tue 11/178:00 am
SJU
- ABE
1 stop9h 37m
American Airlines
Deal found 6/19![American Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 7/710:00 am
ABE
- SJU
2 stops14h 07m
Multiple Airlines
Mon 7/136:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:36 pm
ABE
- SJU
2 stops36h 05m
Multiple Airlines
Fri 7/246:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$490
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 June 21, 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 June 21, 2026.
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 8/266:15 am
ABE
- SJU
2 stops14h 23m
United Airlines
Thu 8/277:00 am
SJU
- ABE
2 stops14h 00m
United Airlines
Deal found 6/17![United Airlines logo]()
$717
This Delta deal was found by Cheapflights users on 6/19. 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.
Mon 7/61:12 pm
ABE
- SJU
1 stop7h 31m
Delta
Thu 7/912:50 pm
SJU
- ABE
1 stop10h 18m
Delta
Deal found 6/19![Delta logo]()
$797
This United Airlines deal was found by Cheapflights users on 6/19. 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 6/232:23 pm
ABE
- SJU
2 stops15h 06m
United Airlines
Thu 6/252:55 pm
SJU
- ABE
2 stops19h 03m
United Airlines
Deal found 6/19![United Airlines logo]()
$794
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/51:12 pm
ABE
- SJU
1 stop7h 31m
Delta
Sun 7/122:42 pm
SJU
- ABE
1 stop8h 26m
Delta
Deal found 6/20![Delta logo]()
$822
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 9/46:15 am
ABE
- SJU
1 stop8h 29m
United Airlines
Mon 9/74:55 pm
SJU
- ABE
2 stops16h 44m
United Airlines
Deal found 6/16![United Airlines logo]()
$814
This Delta deal was found by Cheapflights users on 6/16. 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 8/16:30 am
ABE
- SJU
1 stop10h 09m
Delta
Sat 8/87:00 am
SJU
- ABE
1 stop10h 23m
Delta
Deal found 6/16![Delta logo]()
$827
This Delta deal was found by Cheapflights users on 6/17. 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.
Fri 8/76:16 am
ABE
- SJU
1 stop10h 22m
Delta
Tue 8/117:00 am
SJU
- ABE
1 stop10h 23m
Delta
Deal found 6/17![Delta logo]()
$830
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/35:41 pm
ABE
- SJU
2 stops26h 57m
United Airlines
Tue 7/73:56 pm
SJU
- ABE
1 stop18h 02m
United Airlines
Deal found 6/18![United Airlines logo]()
$890
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 7/156:15 am
ABE
- SJU
2 stops15h 09m
United Airlines
Wed 7/222:55 pm
SJU
- ABE
2 stops18h 58m
United Airlines
Deal found 6/19![United Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 8/75:41 pm
ABE
- SJU
2 stops11h 48m
United Airlines
Fri 8/142:55 pm
SJU
- ABE
2 stops19h 02m
United Airlines
Deal found 6/16![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/165:41 pm
ABE
- SJU
2 stops22h 01m
United Airlines
Sun 7/197:40 am
SJU
- ABE
1 stop26h 18m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,040
Last-minute flights from Allentown to Puerto RicoDiscover last-minute flight deals from Allentown to Puerto Rico. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Puerto Rico. Data last updated June 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 6/196:22 am
ABE
- SJU
1 stop16h 23m
American Airlines
Sun 6/217:00 am
SJU
- ABE
1 stop17h 21m
American Airlines
Deal found 6/16![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 6/306:22 am
ABE
- SJU
1 stop16h 23m
American Airlines
Tue 7/77:25 am
SJU
- ABE
1 stop16h 58m
American Airlines
Deal found 6/20![American Airlines logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 7/710:00 am
ABE
- SJU
2 stops14h 07m
Multiple Airlines
Mon 7/136:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Thu 7/98:00 am
ABE
- SJU
1 stop18h 15m
Multiple Airlines
Tue 7/145:45 pm
SJU
- ABE
2 stops44h 17m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/134:38 pm
ABE
- SJU
2 stops21h 38m
Multiple Airlines
Fri 7/176:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Thu 7/168:00 am
ABE
- SJU
1 stop8h 49m
Multiple Airlines
Mon 7/276:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$553
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:36 pm
ABE
- SJU
2 stops36h 05m
Multiple Airlines
Fri 7/246:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/204:38 pm
ABE
- SJU
1 stop23h 27m
Multiple Airlines
Fri 7/246:00 am
SJU
- ABE
1 stop17h 10m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/244:38 pm
ABE
- SJU
1 stop23h 27m
Multiple Airlines
Wed 7/298:37 pm
SJU
- ABE
1 stop17h 25m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/268:00 am
ABE
- SJU
1 stop23h 57m
Multiple Airlines
Wed 7/298:37 pm
SJU
- ABE
1 stop17h 25m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$527
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 June 21, 2026.
Search for one-way flight options from Allentown to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 7/31:12 pm
ABE
- SJU
1 stop9h 15m
Delta
Deal found 6/16![Delta logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/204:38 pm
ABE
- SJU
2 stops31h 20m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 6/271:12 pm
ABE
- SJU
1 stop7h 31m
Delta
Deal found 6/20![Delta logo]()
$244
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:15 am
ABE
- SJU
1 stop16h 44m
American Airlines
Deal found 6/15![American Airlines logo]()
$258
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:22 am
ABE
- SJU
1 stop16h 23m
American Airlines
Deal found 6/17![American Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” 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 7/185:55 pm
ABE
- SJU
3 stops44h 00m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 7/156:15 am
ABE
- SJU
2 stops15h 09m
United Airlines
Deal found 6/18![United Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:49 pm
ABE
- SJU
3 stops41h 06m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Fri 7/35:41 pm
ABE
- SJU
2 stops11h 48m
United Airlines
Deal found 6/17![United Airlines logo]()
$315
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 June 21, 2026.
Round-trip from | $322 (American Airlines) |
|---|---|
One-way from | $201 (Delta) |
Popular in | September |
Cheapest in | February |
Average price | $711 |
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 June 21, 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 - SJU
ABESJU
Allentown-Bethlehem
Wed 8/26
6:15 am-8:38 pm
2 stops14h 23m
San Juan Luis Munoz Marin Intl
Thu 8/27
7:00 am-9:00 pm
2 stops14h 00m
$717
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Tue 6/23
2:23 pm-5:29 am
2 stops15h 06m
San Juan Luis Munoz Marin Intl
Thu 6/25
2:55 pm-9:58 am
2 stops19h 03m
$794
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Mon 7/6
1:12 pm-8:43 pm
1 stop7h 31m
San Juan Luis Munoz Marin Intl
Thu 7/9
12:50 pm-11:08 pm
1 stop10h 18m
$797
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Fri 9/4
6:15 am-2:44 pm
1 stop8h 29m
San Juan Luis Munoz Marin Intl
Mon 9/7
4:55 pm-9:39 am
2 stops16h 44m
$814
Quickest round-trip
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Sun 7/5
1:12 pm-8:43 pm
1 stop7h 31m
San Juan Luis Munoz Marin Intl
Sun 7/12
2:42 pm-11:08 pm
1 stop8h 26m
$822
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Sat 8/1
6:30 am-4:39 pm
1 stop10h 09m
San Juan Luis Munoz Marin Intl
Sat 8/8
7:00 am-5:23 pm
1 stop10h 23m
$827
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Fri 8/7
6:16 am-4:38 pm
1 stop10h 22m
San Juan Luis Munoz Marin Intl
Tue 8/11
7:00 am-5:23 pm
1 stop10h 23m
$830
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Fri 7/3
5:41 pm-8:38 pm
2 stops26h 57m
San Juan Luis Munoz Marin Intl
Tue 7/7
3:56 pm-9:58 am
1 stop18h 02m
$890
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Wed 7/15
6:15 am-9:24 pm
2 stops15h 09m
San Juan Luis Munoz Marin Intl
Wed 7/22
2:55 pm-9:53 am
2 stops18h 58m
$935
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Fri 8/7
5:41 pm-5:29 am
2 stops11h 48m
San Juan Luis Munoz Marin Intl
Fri 8/14
2:55 pm-9:57 am
2 stops19h 02m
$936
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, December is the cheapest month in which you can book a flight from Allentown to Puerto Rico (average of $83). Flying from Allentown to Puerto Rico in September is currently the most expensive (average of $477). 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 Allentown to Puerto Rico?
The best time to book flights from Allentown to Puerto Rico is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 June 21, 2026.
Read reviews from past customers who have flown Delta and American Airlines 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
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Allentown to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Allentown and Puerto Rico flights
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Top 2 airlines flying from Allentown to Puerto Rico
Discover the top 2 airlines that operate flights from Allentown to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$477 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$452 | FlexibilityNo cancel fee | On-time71% |