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Cheap flights from Allentown to Puerto Rico from $148

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 2/11. 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
1:02 pm - 8:50 pm
ABE
-
SJU
6h 48m
1 stop
American Airlines Logo
1:58 pm - 10:26 pm
SJU
-
ABE
9h 28m
1 stop
$311American Airlines
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
6:15 am - 9:26 pm
ABE
-
SJU
14h 11m
2 stops
United Airlines Logo
2:05 am - 4:22 pm
SJU
-
ABE
15h 17m
2 stops
$342United Airlines
Sun, Feb 8 - Tue, Feb 10
Multiple Airlines Logo
6:30 am - 1:58 am
ABE
-
SJU
19h 28m
1 stop
Multiple Airlines Logo
3:08 am - 11:39 pm
SJU
-
ABE
20h 31m
1 stop
$361Multiple Airlines
Mon, Mar 16 - Wed, Mar 18
Multiple Airlines Logo
4:51 pm - 8:54 am
ABE
-
SJU
16h 03m
1 stop
Multiple Airlines Logo
7:54 pm - 11:39 pm
SJU
-
ABE
27h 45m
2 stops
$365Multiple Airlines
Sun, Mar 15 - Wed, Mar 18
Multiple Airlines Logo
2:05 pm - 2:12 pm
ABE
-
SJU
24h 07m
2 stops
Multiple Airlines Logo
8:47 pm - 12:14 pm
SJU
-
ABE
15h 27m
1 stop
$367Multiple Airlines
Mon, Mar 16 - Tue, Mar 24
Multiple Airlines Logo
4:51 pm - 8:54 am
ABE
-
SJU
16h 03m
1 stop
Multiple Airlines Logo
3:08 am - 11:39 pm
SJU
-
ABE
20h 31m
1 stop
$369Multiple Airlines
Sun, Mar 15 - Wed, Mar 18
Delta Logo
12:50 pm - 8:58 pm
ABE
-
SJU
7h 08m
1 stop
Delta Logo
3:55 pm - 10:50 pm
SJU
-
ABE
7h 55m
1 stop
$370Delta
Sun, Jan 25 - Thu, Jan 29
Multiple Airlines Logo
4:51 pm - 8:54 am
ABE
-
SJU
16h 03m
1 stop
Multiple Airlines Logo
8:47 pm - 12:14 pm
SJU
-
ABE
15h 27m
1 stop
$380Multiple Airlines
Sun, Mar 15 - Tue, Mar 24
Multiple Airlines Logo
5:34 pm - 8:53 am
ABE
-
SJU
15h 19m
1 stop
Multiple Airlines Logo
8:47 pm - 12:14 pm
SJU
-
ABE
15h 27m
1 stop
$381Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
2:05 pm - 8:53 am
ABE
-
SJU
18h 48m
2 stops
Multiple Airlines Logo
3:08 am - 11:39 pm
SJU
-
ABE
20h 31m
1 stop
$383Multiple Airlines
Mon, Mar 16 - Wed, Mar 18

United Airlines flights from Allentown to Puerto Rico

Our best United Airlines deals on Allentown to Puerto Rico flight tickets
United Airlines
Feb 8
ABE6:15 amAllentown-Bethlehem
14h 11m
2 stops
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Feb 10
SJU2:05 amSan Juan Luis Munoz Marin Intl
15h 17m
2 stops
ABE4:22 pmAllentown-Bethlehem
$342
United Airlines
Feb 8
ABE6:15 amAllentown-Bethlehem
14h 11m
2 stops
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Feb 10
SJU2:05 amSan Juan Luis Munoz Marin Intl
15h 17m
2 stops
ABE4:22 pmAllentown-Bethlehem
$387
United Airlines
May 3
ABE10:35 amAllentown-Bethlehem
9h 59m
1 stop
SJU8:34 pmSan Juan Luis Munoz Marin Intl
May 9
SJU7:20 amSan Juan Luis Munoz Marin Intl
13h 45m
2 stops
ABE9:05 pmAllentown-Bethlehem
$406

American Airlines flights from Allentown to Puerto Rico

Our best American Airlines deals on Allentown to Puerto Rico flight tickets
American Airlines
Feb 4
ABE1:02 pmAllentown-Bethlehem
6h 48m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Feb 11
SJU1:58 pmSan Juan Luis Munoz Marin Intl
9h 28m
1 stop
ABE10:26 pmAllentown-Bethlehem
$311
American Airlines
Feb 4
ABE1:02 pmAllentown-Bethlehem
6h 48m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Feb 7
SJU8:20 amSan Juan Luis Munoz Marin Intl
15h 06m
1 stop
ABE10:26 pmAllentown-Bethlehem
$409
American Airlines
Feb 16
ABE12:00 pmAllentown-Bethlehem
8h 49m
1 stop
SJU9:49 pmSan Juan Luis Munoz Marin Intl
Feb 24
SJU8:40 amSan Juan Luis Munoz Marin Intl
15h 51m
1 stop
ABE11:31 pmAllentown-Bethlehem
$414

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 January 15, 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

Price

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 2/4

1:02 pm-8:50 pm

1 stop6h 48m

San Juan Luis Munoz Marin Intl

Wed 2/11

1:58 pm-10:26 pm

1 stop9h 28m

$311

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 2/8

6:15 am-9:26 pm

2 stops14h 11m

San Juan Luis Munoz Marin Intl

Tue 2/10

2:05 am-4:22 pm

2 stops15h 17m

$342

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 3/16

6:30 am-1:58 am

1 stop19h 28m

San Juan Luis Munoz Marin Intl

Wed 3/18

3:08 am-11:39 pm

1 stop20h 31m

$361

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 3/15

4:51 pm-8:54 am

1 stop16h 03m

San Juan Luis Munoz Marin Intl

Wed 3/18

7:54 pm-11:39 pm

2 stops27h 45m

$365

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 3/16

2:05 pm-2:12 pm

2 stops24h 07m

San Juan Luis Munoz Marin Intl

Tue 3/24

8:47 pm-12:14 pm

1 stop15h 27m

$367

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 3/15

4:51 pm-8:54 am

1 stop16h 03m

San Juan Luis Munoz Marin Intl

Wed 3/18

3:08 am-11:39 pm

1 stop20h 31m

$369

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 1/25

12:50 pm-8:58 pm

1 stop7h 08m

San Juan Luis Munoz Marin Intl

Thu 1/29

3:55 pm-10:50 pm

1 stop7h 55m

$370

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 3/15

4:51 pm-8:54 am

1 stop16h 03m

San Juan Luis Munoz Marin Intl

Tue 3/24

8:47 pm-12:14 pm

1 stop15h 27m

$380

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 3/17

5:34 pm-8:53 am

1 stop15h 19m

San Juan Luis Munoz Marin Intl

Tue 3/24

8:47 pm-12:14 pm

1 stop15h 27m

$381

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 3/16

2:05 pm-8:53 am

2 stops18h 48m

San Juan Luis Munoz Marin Intl

Wed 3/18

3:08 am-11:39 pm

1 stop20h 31m

$383

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 November, then you should wait until March to fly from Allentown, when ticket prices are also cheap, with an average price of $322.

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 $518 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 $301 on momondo.

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

You could potentially save up to 66% 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

6h 53m

Direct flights

None
The fastest flight from Allentown to Puerto Rico takes 6h 53m
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
5.7
3,057 reviews
Search Frontier flights
DeltaPriceFrom $182Free CancellationRating
7.9
8,048 reviews
Search Delta flights
United AirlinesPriceFrom $191Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
11,130 reviews
Search American Airlines 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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