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Puerto Rico

$234+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Allentown to Puerto Rico

Cheapest flights from Allentown to Puerto Rico
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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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 11/176:30 am
ABE
-
SJU
1 stop9h 55m
Delta
Thu 11/261:55 pm
SJU
-
ABE
1 stop9h 51m
Delta
Deal found 1/27$299
This Delta deal was found by Cheapflights users on 1/28. 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 2/2412:47 pm
ABE
-
SJU
1 stop7h 25m
Delta
Fri 2/276:15 am
SJU
-
ABE
1 stop6h 50m
Delta
Deal found 1/28$319
This American Airlines deal was found by Cheapflights users on 1/28. 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 10/315:53 pm
ABE
-
SJU
1 stop5h 57m
American Airlines
Sat 11/74:44 pm
SJU
-
ABE
1 stop7h 09m
American Airlines
Deal found 1/28$346
This Delta deal was found by Cheapflights users on 1/26. 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 2/2512:47 pm
ABE
-
SJU
1 stop10h 11m
Delta
Wed 3/46:15 am
SJU
-
ABE
1 stop11h 57m
Delta
Deal found 1/26$355
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/87:30 am
ABE
-
SJU
1 stop12h 20m
American Airlines
Tue 2/101:58 pm
SJU
-
ABE
1 stop9h 28m
American Airlines
Deal found 1/27$360
This Delta deal was found by Cheapflights users on 1/28. 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 2/2012:47 pm
ABE
-
SJU
1 stop7h 25m
Delta
Fri 2/276:15 am
SJU
-
ABE
1 stop6h 50m
Delta
Deal found 1/28$362
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/226:04 am
ABE
-
SJU
1 stop14h 45m
American Airlines
Fri 2/278:40 am
SJU
-
ABE
1 stop16h 49m
American Airlines
Deal found 1/28$367
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/82:12 pm
ABE
-
SJU
1 stop12h 01m
Multiple Airlines
Thu 3/127:00 am
SJU
-
ABE
1 stop15h 39m
Multiple Airlines
Deal found 1/27$368
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Thu 2/262:10 pm
ABE
-
SJU
1 stop7h 59m
Multiple Airlines
Thu 3/56:00 am
SJU
-
ABE
1 stop15h 13m
Multiple Airlines
Deal found 1/29$370
This Delta deal was found by Cheapflights users on 1/28. 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 2/212:48 pm
ABE
-
SJU
1 stop7h 10m
Delta
Thu 2/126:15 am
SJU
-
ABE
1 stop11h 57m
Delta
Deal found 1/28$383
This Delta deal was found by Cheapflights users on 1/28. 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 2/2112:47 pm
ABE
-
SJU
1 stop10h 11m
Delta
Fri 2/276:15 am
SJU
-
ABE
1 stop6h 50m
Delta
Deal found 1/28$403

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 January 29, 2026.

Round-trip from

$319
(Delta)

One-way from

$171
(American Airlines)

Popular in

September

Cheapest in

November

Average price

$327
From Allentown-Bethlehem to Puerto Rico
Search Deals
One-way flight from Allentown-Bethlehem to Puerto Rico
Search Deals
Highest demand for flights based on searches. 34% potential increase in price ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease ($87 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
Use the filters below to find and compare flights from Allentown to Puerto Rico that are best for you.

Fly from

Allentown

Fly to

Puerto Rico

Route

Depart

Return

Price

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 2/24

12:47 pm-9:12 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:15 am-12:05 pm

1 stop6h 50m

$319

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 2/25

12:47 pm-11:58 pm

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:15 am-5:12 pm

1 stop11h 57m

$355

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Fri 2/20

12:47 pm-9:12 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:15 am-12:05 pm

1 stop6h 50m

$362

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 2/21

12:47 pm-11:58 pm

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:15 am-12:05 pm

1 stop6h 50m

$403

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Fri 2/27

12:47 pm-9:12 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Sat 3/7

7:30 am-5:12 pm

1 stop10h 42m

$406

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 2/8

11:30 am-9:00 pm

1 stop8h 30m

San Juan Luis Munoz Marin Intl

Tue 2/10

2:05 am-4:22 pm

2 stops15h 17m

$440

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 2/23

1:49 pm-3:31 pm

1 stop24h 42m

San Juan Luis Munoz Marin Intl

Sat 2/28

8:05 pm-8:10 pm

1 stop25h 05m

$444

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 2/25

12:47 pm-9:12 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:15 am-12:05 pm

1 stop6h 50m

$464

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 2/23

12:47 pm-9:12 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:15 am-12:05 pm

1 stop6h 50m

$464

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Fri 3/6

3:08 pm-2:25 pm

1 stop22h 17m

San Juan Luis Munoz Marin Intl

Tue 3/10

7:05 pm-2:48 pm

1 stop19h 43m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
1
2

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.
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

What is the cheapest month to book a flight from Allentown to Puerto Rico?

Currently, January is the cheapest month in which you can book a flight from Allentown to Puerto Rico (average of $71). Flying from Allentown to Puerto Rico in August is currently the most expensive (average of $138). 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 January 29, 2026.
Read reviews from past customers who have flown Delta, United Airlines, 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.
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
3,056 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • What airport do you fly from for flights from Allentown to Puerto Rico?

    Allentown-Bethlehem (ABE), located 3.9 mi from the city center, is the airport you fly out of when you book flights from Allentown to Puerto Rico.

  • How long is the flight from Allentown to Puerto Rico?

    Delta can get you from Allentown to Puerto Rico in just under 7h 25m. Your travel time can differ by up to . There are 1633 mi between Allentown and Puerto Rico.

  • Can I find deals for flights from Allentown to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Allentown to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Puerto Rico.

  • Can I find deals for business class flights from Allentown to Puerto Rico?

    Yes. Cheapflights offers flight deals from Allentown to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to Puerto Rico?

    Currently, January is the cheapest month in which you can book a flight from Allentown to Puerto Rico (average of $71). Flying from Allentown to Puerto Rico in August is currently the most expensive (average of $138). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Allentown to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Allentown to Puerto Rico

Discover the top 4 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$239FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$161Average$462FlexibilityNo cancel feeOn-time69%
DeltaCheapest$182Average$511FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$249Average$492FlexibilityNo cancel feeOn-time71%

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