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Cheap flights from Allentown to Puerto Rico from $158

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 5/4. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Allentown to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:20 am - 4:45 pm
ABE
-
SJU
10h 25m
1 stop
Delta Logo
2:40 pm - 10:56 pm
SJU
-
ABE
8h 16m
1 stop
$392Delta
Thu, Aug 6 - Thu, Aug 13
American Airlines Logo
6:04 am - 8:51 pm
ABE
-
SJU
14h 47m
1 stop
American Airlines Logo
7:25 am - 12:22 am
SJU
-
ABE
16h 57m
1 stop
$404American Airlines
Sat, May 9 - Sat, May 16
Multiple Airlines Logo
10:00 am - 5:33 pm
ABE
-
SJU
31h 33m
2 stops
Multiple Airlines Logo
9:53 pm - 11:10 pm
SJU
-
ABE
25h 17m
1 stop
$417Multiple Airlines
Tue, Jun 30 - Thu, Jul 9
Multiple Airlines Logo
12:29 pm - 3:58 pm
ABE
-
SJU
27h 29m
2 stops
Multiple Airlines Logo
6:00 am - 2:04 pm
SJU
-
ABE
8h 04m
1 stop
$425Multiple Airlines
Sun, Aug 2 - Fri, Aug 14
Delta Logo
6:20 am - 4:45 pm
ABE
-
SJU
10h 25m
1 stop
Delta Logo
1:06 pm - 10:56 pm
SJU
-
ABE
9h 50m
1 stop
$428Delta
Thu, Aug 6 - Thu, Aug 13
Multiple Airlines Logo
7:30 am - 6:59 pm
ABE
-
SJU
11h 29m
1 stop
Multiple Airlines Logo
6:00 am - 2:00 pm
SJU
-
ABE
8h 00m
1 stop
$437Multiple Airlines
Fri, May 29 - Mon, Jun 1
Multiple Airlines Logo
7:35 am - 3:58 pm
ABE
-
SJU
8h 23m
1 stop
Multiple Airlines Logo
6:00 am - 2:04 pm
SJU
-
ABE
8h 04m
1 stop
$443Multiple Airlines
Mon, Aug 3 - Fri, Aug 14
Multiple Airlines Logo
10:00 am - 2:07 am
ABE
-
SJU
16h 07m
1 stop
Multiple Airlines Logo
9:53 pm - 11:10 pm
SJU
-
ABE
25h 17m
1 stop
$444Multiple Airlines
Tue, Jun 30 - Thu, Jul 9
Multiple Airlines Logo
4:38 pm - 3:58 pm
ABE
-
SJU
23h 20m
1 stop
Multiple Airlines Logo
6:00 am - 11:10 pm
SJU
-
ABE
17h 10m
1 stop
$445Multiple Airlines
Fri, Jul 17 - Fri, Jul 24
American Airlines Logo
6:04 am - 9:15 pm
ABE
-
SJU
15h 11m
1 stop
American Airlines Logo
11:38 am - 12:22 am
SJU
-
ABE
12h 44m
1 stop
$448American Airlines
Sun, May 3 - Wed, May 13

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Delta flights from Allentown to Puerto Rico

Our best Delta deals on Allentown to Puerto Rico flight tickets
Delta
Aug 6
ABE6:20 amAllentown-Bethlehem
10h 25m
1 stop
SJU4:45 pmSan Juan Luis Munoz Marin Intl
Aug 13
SJU2:40 pmSan Juan Luis Munoz Marin Intl
8h 16m
1 stop
ABE10:56 pmAllentown-Bethlehem
$392
Delta
Aug 6
ABE6:20 amAllentown-Bethlehem
10h 25m
1 stop
SJU4:45 pmSan Juan Luis Munoz Marin Intl
Aug 13
SJU1:06 pmSan Juan Luis Munoz Marin Intl
9h 50m
1 stop
ABE10:56 pmAllentown-Bethlehem
$428
Delta
Aug 5
ABE1:08 pmAllentown-Bethlehem
7h 37m
1 stop
SJU8:45 pmSan Juan Luis Munoz Marin Intl
Aug 9
SJU12:56 pmSan Juan Luis Munoz Marin Intl
9h 31m
1 stop
ABE10:27 pmAllentown-Bethlehem
$453

United Airlines flights from Allentown to Puerto Rico

Our best United Airlines deals on Allentown to Puerto Rico flight tickets
United Airlines
May 2
ABE10:38 amAllentown-Bethlehem
9h 56m
1 stop
SJU8:34 pmSan Juan Luis Munoz Marin Intl
May 5
SJU1:00 amSan Juan Luis Munoz Marin Intl
12h 38m
2 stops
ABE1:38 pmAllentown-Bethlehem
$482
United Airlines
Apr 29
ABE10:35 amAllentown-Bethlehem
9h 59m
1 stop
SJU8:34 pmSan Juan Luis Munoz Marin Intl
May 4
SJU1:00 amSan Juan Luis Munoz Marin Intl
12h 38m
2 stops
ABE1:38 pmAllentown-Bethlehem
$536
United Airlines
Apr 29
ABE10:35 amAllentown-Bethlehem
10h 49m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
May 4
SJU1:00 amSan Juan Luis Munoz Marin Intl
12h 38m
2 stops
ABE1:38 pmAllentown-Bethlehem
$581

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 April 19, 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

Cheapest round-trip

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Thu 8/6

6:20 am-4:45 pm

1 stop10h 25m

San Juan Luis Munoz Marin Intl

Thu 8/13

2:40 pm-10:56 pm

1 stop8h 16m

$392

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 5/9

6:04 am-8:51 pm

1 stop14h 47m

San Juan Luis Munoz Marin Intl

Sat 5/16

7:25 am-12:22 am

1 stop16h 57m

$404

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 6/30

10:00 am-5:33 pm

2 stops31h 33m

San Juan Luis Munoz Marin Intl

Thu 7/9

9:53 pm-11:10 pm

1 stop25h 17m

$417

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 8/2

12:29 pm-3:58 pm

2 stops27h 29m

San Juan Luis Munoz Marin Intl

Fri 8/14

6:00 am-2:04 pm

1 stop8h 04m

$425

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Thu 8/6

6:20 am-4:45 pm

1 stop10h 25m

San Juan Luis Munoz Marin Intl

Thu 8/13

1:06 pm-10:56 pm

1 stop9h 50m

$428

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Fri 5/29

7:30 am-6:59 pm

1 stop11h 29m

San Juan Luis Munoz Marin Intl

Mon 6/1

6:00 am-2:00 pm

1 stop8h 00m

$437
Quickest round-trip

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 8/3

7:35 am-3:58 pm

1 stop8h 23m

San Juan Luis Munoz Marin Intl

Fri 8/14

6:00 am-2:04 pm

1 stop8h 04m

$443

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 6/30

10:00 am-2:07 am

1 stop16h 07m

San Juan Luis Munoz Marin Intl

Thu 7/9

9:53 pm-11:10 pm

1 stop25h 17m

$444

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Fri 7/17

4:38 pm-3:58 pm

1 stop23h 20m

San Juan Luis Munoz Marin Intl

Fri 7/24

6:00 am-11:10 pm

1 stop17h 10m

$445

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 5/3

6:04 am-9:15 pm

1 stop15h 11m

San Juan Luis Munoz Marin Intl

Wed 5/13

11:38 am-12:22 am

1 stop12h 44m

$448

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 February to fly from Allentown, when ticket prices are also cheap, with an average price of $330.

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 $525 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 $309 on momondo.

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

You could potentially save up to 26% 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

7h 12m

Direct flights

None
The fastest flight from Allentown to Puerto Rico takes 7h 12m
There are no direct flights from Allentown to Puerto Rico. There are no popular flight routes from Allentown to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Allentown to Puerto Rico

  • 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 $83Free CancellationRating
5.7
2,984 reviews
Search Frontier flights
DeltaPriceFrom $182Free CancellationRating
7.9
8,422 reviews
Search Delta flights
American AirlinesPriceFrom $249Free CancellationRating
7.1
11,621 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

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