$192+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SJU
Jun 3 — Jun 101
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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from 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 May 4, 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 May 4, 2026.
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.
Wed 8/196:30 am
ABE
- SJU
1 stop10h 05m
Delta
Sun 8/231:06 pm
SJU
- ABE
1 stop9h 50m
Delta
Deal found 5/1![Delta logo]()
$385
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 6/124:39 pm
ABE
- SJU
2 stops24h 54m
Multiple Airlines
Fri 6/196:00 am
SJU
- ABE
1 stop17h 06m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$403
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.
Sun 8/166:30 am
ABE
- SJU
1 stop18h 11m
Multiple Airlines
Sat 8/225:01 pm
SJU
- ABE
1 stop24h 32m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 8/37:35 am
ABE
- SJU
1 stop8h 30m
Multiple Airlines
Thu 8/66:32 am
SJU
- ABE
2 stops17h 07m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$425
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.
Sat 5/306:22 am
ABE
- SJU
1 stop16h 23m
American Airlines
Wed 6/107:00 am
SJU
- ABE
1 stop17h 21m
American Airlines
Deal found 5/1![American Airlines logo]()
$426
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.
Mon 5/181:41 pm
ABE
- SJU
2 stops20h 37m
Multiple Airlines
Fri 5/226:00 am
SJU
- ABE
1 stop8h 00m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$435
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 6/54:39 pm
ABE
- SJU
2 stops24h 35m
Multiple Airlines
Mon 6/156:00 am
SJU
- ABE
1 stop17h 06m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:41 pm
ABE
- SJU
2 stops34h 18m
Multiple Airlines
Fri 5/296:00 am
SJU
- ABE
1 stop8h 00m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$445
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:39 pm
ABE
- SJU
1 stop20h 21m
Multiple Airlines
Thu 6/185:15 pm
SJU
- ABE
2 stops29h 51m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$448
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:30 am
ABE
- SJU
1 stop9h 55m
Delta
Thu 12/31:55 pm
SJU
- ABE
1 stop9h 51m
Delta
Deal found 4/30![Delta logo]()
$449
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 May 4, 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 May 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 stop13h 11m
Multiple Airlines
Fri 8/79:53 pm
SJU
- ABE
2 stops16h 30m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 8/121:00 pm
ABE
- SJU
1 stop9h 23m
Delta
Fri 8/211:06 pm
SJU
- ABE
1 stop9h 50m
Delta
Deal found 4/29![Delta logo]()
$642
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.
Sat 5/166:15 am
ABE
- SJU
2 stops15h 09m
United Airlines
Sat 5/161:00 am
SJU
- ABE
2 stops12h 38m
United Airlines
Deal found 5/1![United Airlines logo]()
$906
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/301:04 pm
ABE
- SJU
1 stop7h 26m
Delta
Sun 6/712:54 pm
SJU
- ABE
1 stop10h 14m
Delta
Deal found 4/29![Delta logo]()
$718
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/2312:59 pm
ABE
- SJU
1 stop7h 31m
Delta
Mon 5/251:14 pm
SJU
- ABE
1 stop9h 04m
Delta
Deal found 4/29![Delta logo]()
$863
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 8/315:36 pm
ABE
- SJU
2 stops22h 06m
United Airlines
Thu 9/33:56 pm
SJU
- ABE
1 stop18h 10m
United Airlines
Deal found 5/2![United Airlines logo]()
$966
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 7/146:15 am
ABE
- SJU
2 stops15h 09m
United Airlines
Tue 7/141:00 am
SJU
- ABE
2 stops12h 41m
United Airlines
Deal found 5/3![United Airlines logo]()
$967
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 6/512:59 pm
ABE
- SJU
1 stop7h 31m
Delta
Sun 6/712:54 pm
SJU
- ABE
1 stop10h 14m
Delta
Deal found 5/1![Delta logo]()
$971
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.
Sun 6/286:15 am
ABE
- SJU
1 stop8h 29m
United Airlines
Sat 7/47:40 am
SJU
- ABE
1 stop9h 26m
United Airlines
Deal found 5/2![United Airlines logo]()
$1,019
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:30 am
ABE
- SJU
1 stop10h 15m
Delta
Mon 8/312:56 pm
SJU
- ABE
1 stop9h 31m
Delta
Deal found 4/30![Delta logo]()
$1,002
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.
Fri 6/125:36 pm
ABE
- SJU
2 stops18h 28m
United Airlines
Wed 6/171:00 am
SJU
- ABE
2 stops12h 48m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,027
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:15 am
ABE
- SJU
2 stops15h 09m
United Airlines
Tue 5/267:20 am
SJU
- ABE
2 stops13h 47m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,033
Last-minute flights from Allentown to Puerto RicoDiscover last-minute flight deals from Allentown to Puerto Rico. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Puerto Rico. Data last updated May 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:04 am
ABE
- SJU
1 stop9h 31m
American Airlines
Thu 5/147:25 am
SJU
- ABE
1 stop16h 57m
American Airlines
Deal found 5/2![American Airlines logo]()
$468
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.
Thu 5/149:00 am
ABE
- SJU
2 stops15h 21m
Multiple Airlines
Fri 5/226:00 am
SJU
- ABE
1 stop8h 00m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$483
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.
Thu 5/149:00 am
ABE
- SJU
1 stop13h 43m
Multiple Airlines
Thu 5/216:00 am
SJU
- ABE
2 stops17h 26m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$494
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.
Mon 5/181:41 pm
ABE
- SJU
2 stops20h 37m
Multiple Airlines
Fri 5/226:00 am
SJU
- ABE
1 stop8h 00m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:41 pm
ABE
- SJU
2 stops34h 18m
Multiple Airlines
Fri 5/296:00 am
SJU
- ABE
1 stop8h 00m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:41 pm
ABE
- SJU
2 stops34h 18m
Multiple Airlines
Thu 5/286:00 am
SJU
- ABE
1 stop7h 57m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$474
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.
Sat 5/306:22 am
ABE
- SJU
1 stop16h 23m
American Airlines
Wed 6/107:00 am
SJU
- ABE
1 stop17h 21m
American Airlines
Deal found 5/1![American Airlines logo]()
$426
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 6/54:39 pm
ABE
- SJU
2 stops24h 35m
Multiple Airlines
Mon 6/156:00 am
SJU
- ABE
1 stop17h 06m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$441
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 6/61:29 pm
ABE
- SJU
2 stops23h 31m
Multiple Airlines
Mon 6/82:05 pm
SJU
- ABE
1 stop9h 01m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$472
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 6/124:39 pm
ABE
- SJU
2 stops24h 54m
Multiple Airlines
Fri 6/196:00 am
SJU
- ABE
1 stop17h 06m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$403
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:39 pm
ABE
- SJU
1 stop20h 21m
Multiple Airlines
Thu 6/185:15 pm
SJU
- ABE
2 stops29h 51m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$448
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 May 4, 2026.
Search for one-way flight options from Allentown to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
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 8/141:00 pm
ABE
- SJU
1 stop9h 23m
Delta
Deal found 5/1![Delta logo]()
$192
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.
Sat 5/166:04 am
ABE
- SJU
1 stop14h 51m
American Airlines
Deal found 5/1![American Airlines logo]()
$196
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.
Sat 5/3010:42 am
ABE
- SJU
2 stops13h 08m
United Airlines
Deal found 5/3![United Airlines logo]()
$211
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.
Sat 5/306:22 am
ABE
- SJU
1 stop16h 23m
American Airlines
Deal found 5/3![American Airlines logo]()
$213
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/612:59 pm
ABE
- SJU
1 stop9h 18m
Delta
Deal found 4/30![Delta logo]()
$234
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 5/156:04 am
ABE
- SJU
1 stop14h 47m
American Airlines
Deal found 5/1![American Airlines logo]()
$255
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 5/1610:00 am
ABE
- SJU
2 stops29h 50m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$281
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.
Thu 5/146:04 am
ABE
- SJU
1 stop14h 47m
American Airlines
Deal found 5/1![American Airlines logo]()
$294
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:00 pm
ABE
- SJU
1 stop9h 23m
Delta
Deal found 4/30![Delta logo]()
$305
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 7/158:00 am
ABE
- SJU
3 stops54h 16m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$344
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.
Sat 8/12:16 pm
ABE
- SJU
2 stops15h 13m
United Airlines
Deal found 5/1![United Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:04 am
ABE
- SJU
1 stop14h 47m
American Airlines
Deal found 5/3![American Airlines logo]()
$395
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 May 4, 2026.
Round-trip from | $385 (Delta) |
|---|---|
One-way from | $192 (Delta) |
Popular in | September |
Cheapest in | February |
Average price | $531 |
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 May 4, 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
Tue 8/4
10:18 am-11:29 pm
1 stop13h 11m
San Juan Luis Munoz Marin Intl
Fri 8/7
9:53 pm-2:23 pm
2 stops16h 30m
$549
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Wed 8/12
1:00 pm-10:23 pm
1 stop9h 23m
San Juan Luis Munoz Marin Intl
Fri 8/21
1:06 pm-10:56 pm
1 stop9h 50m
$642
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Sat 5/30
1:04 pm-8:30 pm
1 stop7h 26m
San Juan Luis Munoz Marin Intl
Sun 6/7
12:54 pm-11:08 pm
1 stop10h 14m
$718
Quickest round-trip
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Sat 5/23
12:59 pm-8:30 pm
1 stop7h 31m
San Juan Luis Munoz Marin Intl
Mon 5/25
1:14 pm-10:18 pm
1 stop9h 04m
$863
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Sat 5/16
6:15 am-9:24 pm
2 stops15h 09m
San Juan Luis Munoz Marin Intl
Sat 5/16
1:00 am-1:38 pm
2 stops12h 38m
$906
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Mon 8/31
5:36 pm-3:42 pm
2 stops22h 06m
San Juan Luis Munoz Marin Intl
Thu 9/3
3:56 pm-10:06 am
1 stop18h 10m
$966
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Tue 7/14
6:15 am-9:24 pm
2 stops15h 09m
San Juan Luis Munoz Marin Intl
Tue 7/14
1:00 am-1:41 pm
2 stops12h 41m
$967
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Fri 6/5
12:59 pm-8:30 pm
1 stop7h 31m
San Juan Luis Munoz Marin Intl
Sun 6/7
12:54 pm-11:08 pm
1 stop10h 14m
$971
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Tue 7/28
6:30 am-4:45 pm
1 stop10h 15m
San Juan Luis Munoz Marin Intl
Mon 8/3
12:56 pm-10:27 pm
1 stop9h 31m
$1,002
AllentownSan Juan
ABE - SJU
ABESJU
Allentown-Bethlehem
Sun 6/28
6:15 am-2:44 pm
1 stop8h 29m
San Juan Luis Munoz Marin Intl
Sat 7/4
7:40 am-5:06 pm
1 stop9h 26m
$1,019
Showing 1-10 of 23 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
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 26 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.
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 June is currently the most expensive (average of $427). 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 May 4, 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.
Entertainment
7.8
Overall
7.9
Comfort
7.9
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Overall
7.9
Comfort
7.9
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Overall
7.9
Comfort
7.9
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Overall
7.9
Comfort
7.9
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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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Alternative routes for Allentown 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 Allentown to Puerto Rico by cabin class
Find flights from Allentown to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Allentown and Puerto Rico flights
Browse other Allentown and Puerto Rico flight options. Last updated on May 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Allentown to Puerto Rico flights
Consider these flights traveling from Allentown to Puerto Rico.
Top 3 airlines flying from Allentown to Puerto Rico
Discover the top 3 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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$210 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$486 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$466 | FlexibilityNo cancel fee | On-time71% |