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Cheap flights from Allentown to Puerto Rico from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Puerto Rico departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Allentown to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:30 am - 5:03 pmABE-SJU
8h 33m1 stop
American Airlines Logo
1:58 pm - 10:26 pmSJU-ABE
9h 28m1 stop
$275American Airlines
Find Deal
Sun, Jan 18 - Fri, Jan 23
Multiple Airlines Logo
6:57 pm - 10:33 amABE-SJU
14h 36m1 stop
Multiple Airlines Logo
9:15 am - 10:38 pmSJU-ABE
38h 23m2 stops
$331Multiple Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
Multiple Airlines Logo
11:14 am - 3:32 pmABE-SJU
51h 18m2 stops
Multiple Airlines Logo
11:38 am - 8:58 pmSJU-ABE
10h 20m1 stop
$332Multiple Airlines
Find Deal
Tue, Dec 9 - Fri, Dec 12
Multiple Airlines Logo
11:14 am - 12:16 amABE-SJU
12h 02m1 stop
Multiple Airlines Logo
7:35 am - 6:48 pmSJU-ABE
12h 13m1 stop
$338Multiple Airlines
Find Deal
Tue, Dec 16 - Sat, Dec 20
Multiple Airlines Logo
6:57 pm - 10:33 amABE-SJU
14h 36m1 stop
Multiple Airlines Logo
1:59 am - 10:29 amSJU-ABE
33h 30m2 stops
$341Multiple Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16
Multiple Airlines Logo
8:30 am - 11:33 pmABE-SJU
14h 03m1 stop
Multiple Airlines Logo
7:44 pm - 10:01 pmSJU-ABE
27h 17m2 stops
$342Multiple Airlines
Find Deal
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
6:57 pm - 9:55 amABE-SJU
13h 58m1 stop
Multiple Airlines Logo
1:59 am - 10:24 amSJU-ABE
33h 25m2 stops
$345Multiple Airlines
Find Deal
Wed, Dec 10 - Sun, Dec 14
Multiple Airlines Logo
8:30 am - 11:29 pmABE-SJU
13h 59m1 stop
Multiple Airlines Logo
2:59 am - 10:01 pmSJU-ABE
20h 02m2 stops
$348Multiple Airlines
Find Deal
Sun, Jan 18 - Thu, Jan 22
Multiple Airlines Logo
4:11 pm - 8:54 pmABE-SJU
27h 43m2 stops
Multiple Airlines Logo
9:23 pm - 11:27 amSJU-ABE
15h 04m1 stop
$349Multiple Airlines
Find Deal
Tue, Jan 6 - Mon, Jan 12
American Airlines Logo
1:48 pm - 10:09 pmABE-SJU
7h 21m1 stop
American Airlines Logo
3:10 pm - 10:58 pmSJU-ABE
8h 48m1 stop
$350American Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17

American Airlines flights from Allentown to Puerto Rico

Our best American Airlines deals on Allentown to Puerto Rico flight tickets
American Airlines
Jan 18
ABE7:30 amAllentown-Bethlehem
8h 33m
1 stop
SJU5:03 pmSan Juan Luis Munoz Marin Intl
Jan 23
SJU1:58 pmSan Juan Luis Munoz Marin Intl
9h 28m
1 stop
ABE10:26 pmAllentown-Bethlehem
$275
Find similar
American Airlines
Feb 1
ABE1:02 pmAllentown-Bethlehem
6h 48m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Feb 10
SJU8:20 amSan Juan Luis Munoz Marin Intl
15h 06m
1 stop
ABE10:26 pmAllentown-Bethlehem
$316
Find similar
American Airlines
Dec 8
ABE7:31 amAllentown-Bethlehem
13h 38m
1 stop
SJU10:09 pmSan Juan Luis Munoz Marin Intl
Dec 13
SJU2:05 pmSan Juan Luis Munoz Marin Intl
10h 01m
1 stop
ABE11:06 pmAllentown-Bethlehem
$349
Find similar

Delta flights from Allentown to Puerto Rico

Our best Delta deals on Allentown to Puerto Rico flight tickets
Delta
Feb 3
ABE12:48 pmAllentown-Bethlehem
7h 10m
1 stop
SJU8:58 pmSan Juan Luis Munoz Marin Intl
Feb 12
SJU6:15 amSan Juan Luis Munoz Marin Intl
12h 01m
1 stop
ABE5:16 pmAllentown-Bethlehem
$298
Find similar
Delta
Jan 18
ABE2:00 pmAllentown-Bethlehem
8h 45m
1 stop
SJU11:45 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU3:55 pmSan Juan Luis Munoz Marin Intl
7h 55m
1 stop
ABE10:50 pmAllentown-Bethlehem
$369
Find similar
Delta
Jan 26
ABE12:50 pmAllentown-Bethlehem
9h 55m
1 stop
SJU11:45 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU2:15 pmSan Juan Luis Munoz Marin Intl
9h 35m
1 stop
ABE10:50 pmAllentown-Bethlehem
$397
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 30, 2025.
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

Price

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 1/18

7:30 am-5:03 pm

1 stop8h 33m

San Juan Luis Munoz Marin Intl

Fri 1/23

1:58 pm-10:26 pm

1 stop9h 28m

$275

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 12/10

6:57 pm-10:33 am

1 stop14h 36m

San Juan Luis Munoz Marin Intl

Wed 12/17

9:15 am-10:38 pm

2 stops38h 23m

$331

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 12/9

11:14 am-3:32 pm

2 stops51h 18m

San Juan Luis Munoz Marin Intl

Fri 12/12

11:38 am-8:58 pm

1 stop10h 20m

$332

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 12/16

11:14 am-12:16 am

1 stop12h 02m

San Juan Luis Munoz Marin Intl

Sat 12/20

7:35 am-6:48 pm

1 stop12h 13m

$338

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 12/10

6:57 pm-10:33 am

1 stop14h 36m

San Juan Luis Munoz Marin Intl

Tue 12/16

1:59 am-10:29 am

2 stops33h 30m

$341

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 1/25

8:30 am-11:33 pm

1 stop14h 03m

San Juan Luis Munoz Marin Intl

Sun 2/1

7:44 pm-10:01 pm

2 stops27h 17m

$342

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 12/10

6:57 pm-9:55 am

1 stop13h 58m

San Juan Luis Munoz Marin Intl

Sun 12/14

1:59 am-10:24 am

2 stops33h 25m

$345

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 1/18

8:30 am-11:29 pm

1 stop13h 59m

San Juan Luis Munoz Marin Intl

Thu 1/22

2:59 am-10:01 pm

2 stops20h 02m

$348

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 1/6

4:11 pm-8:54 pm

2 stops27h 43m

San Juan Luis Munoz Marin Intl

Mon 1/12

9:23 pm-11:27 am

1 stop15h 04m

$349

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 12/10

1:48 pm-10:09 pm

1 stop7h 21m

San Juan Luis Munoz Marin Intl

Wed 12/17

3:10 pm-10:58 pm

1 stop8h 48m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Allentown to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in January, then you should wait until March to fly from Allentown, when ticket prices are also cheap, with an average price of $332.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Allentown is on a Monday. momondo users have found tickets for Monday departures for as low as $361. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Sunday, with ticket prices averaging around $796.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Allentown to Puerto Rico during this time can be as low as $284. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $531.

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $554 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Allentown for as low as $331 on momondo.

Can stopping save me money on Allentown to Puerto Rico flights?

You could potentially save up to 55% on your flight if you consider stops on a Allentown to Puerto Rico flight.

Cheap Allentown to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Puerto Rico

Fastest flight time

8h 03m

Direct flights

None
The fastest flight from Allentown to Puerto Rico takes 8h 03m
There are no direct flights from Allentown to Puerto Rico. There are no popular flight routes from Allentown to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Puerto Rico?

    Prices for flights from Allentown-Bethlehem Airport to Puerto Rico were last updated today.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to Puerto Rico?

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Puerto Rico?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The necessary travel and health documents for your Puerto Rico trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Allentown to Puerto Rico

Compare and see reviews for airlines that fly from Allentown to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $78Free CancellationRating
5.8
3,098 reviews
Search Frontier flights
United AirlinesPriceFrom $191Free CancellationRating
7.4
9,056 reviews
Search United Airlines flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
DeltaPriceFrom $275Free CancellationRating
7.9
8,011 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Puerto Rico?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Puerto Rico from Allentown.

Can I find flights from Allentown to Puerto Rico with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Allentown to Puerto Rico flights to just show those with flexible booking policies.

How can momondo help me find flights from Allentown to Puerto Rico?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Puerto Rico from Allentown.

I’m not ready to book a flight from Allentown to Puerto Rico right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Puerto Rico, momondo offers a useful price alert feature which will track prices for flights to Puerto Rico from Allentown and alert you when they change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Puerto Rico

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