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Cheap flights from Allentown to San Juan from $231

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to San Juan departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Allentown to San Juan

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 48m1 stop
American Airlines Logo
7:40 am - 11:31 pm
SJU
-
ABE
15h 51m1 stop
$231American Airlines
Tue, Jan 20 - Tue, Mar 10
American Airlines Logo
1:02 pm - 8:50 pm
ABE
-
SJU
6h 48m1 stop
American Airlines Logo
1:58 pm - 10:26 pm
SJU
-
ABE
9h 28m1 stop
$250American Airlines
Mon, Jan 26 - Wed, Feb 4
United Airlines Logo
6:15 am - 10:22 pm
ABE
-
SJU
15h 07m2 stops
United Airlines Logo
8:35 am - 4:22 pm
SJU
-
ABE
8h 47m1 stop
$275United Airlines
Sat, Jan 17 - Wed, Jan 21
Delta Logo
12:50 pm - 8:58 pm
ABE
-
SJU
7h 08m1 stop
Delta Logo
3:55 pm - 10:50 pm
SJU
-
ABE
7h 55m1 stop
$285Delta
Tue, Jan 27 - Thu, Jan 29
American Airlines Logo
1:02 pm - 8:50 pm
ABE
-
SJU
6h 48m1 stop
American Airlines Logo
3:49 pm - 10:26 pm
SJU
-
ABE
7h 37m1 stop
$288American Airlines
Mon, Jan 26 - Wed, Feb 4
American Airlines Logo
7:30 am - 8:50 pm
ABE
-
SJU
12h 20m1 stop
American Airlines Logo
3:49 pm - 10:26 pm
SJU
-
ABE
7h 37m1 stop
$291American Airlines
Tue, Jan 27 - Fri, Jan 30
Multiple Airlines Logo
7:49 pm - 1:36 pm
ABE
-
SJU
16h 47m1 stop
Multiple Airlines Logo
8:05 pm - 9:52 pm
SJU
-
ABE
26h 47m1 stop
$298Multiple Airlines
Sat, Jan 17 - Wed, Jan 21
Delta Logo
12:39 pm - 8:58 pm
ABE
-
SJU
7h 19m1 stop
Delta Logo
3:55 pm - 10:50 pm
SJU
-
ABE
7h 55m1 stop
$308Delta
Sun, Feb 1 - Wed, Feb 4
Multiple Airlines Logo
3:01 pm - 3:35 pm
ABE
-
SJU
23h 34m1 stop
Multiple Airlines Logo
6:00 am - 2:59 pm
SJU
-
ABE
9h 59m1 stop
$313Multiple Airlines
Mon, Jan 26 - Thu, Jan 29
United Airlines Logo
6:15 am - 10:22 pm
ABE
-
SJU
15h 07m2 stops
United Airlines Logo
7:45 am - 9:05 pm
SJU
-
ABE
14h 20m2 stops
$315United Airlines
Sat, Jan 17 - Wed, Jan 21

American Airlines flights from Allentown to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Allentown to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Jan 20
ABE1:02 pmAllentown-Bethlehem
6h 48m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Mar 10
SJU7:40 amSan Juan Luis Munoz Marin Intl
15h 51m
1 stop
ABE11:31 pmAllentown-Bethlehem
$231
Find similar
American Airlines
Jan 26
ABE1:02 pmAllentown-Bethlehem
6h 48m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Feb 4
SJU1:58 pmSan Juan Luis Munoz Marin Intl
9h 28m
1 stop
ABE10:26 pmAllentown-Bethlehem
$250
Find similar
American Airlines
Jan 26
ABE1:02 pmAllentown-Bethlehem
6h 48m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Feb 4
SJU3:49 pmSan Juan Luis Munoz Marin Intl
7h 37m
1 stop
ABE10:26 pmAllentown-Bethlehem
$288
Find similar

United Airlines flights from Allentown to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Allentown to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Jan 17
ABE6:15 amAllentown-Bethlehem
15h 07m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU8:35 amSan Juan Luis Munoz Marin Intl
8h 47m
1 stop
ABE4:22 pmAllentown-Bethlehem
$275
Find similar
United Airlines
Jan 17
ABE6:15 amAllentown-Bethlehem
15h 07m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:45 amSan Juan Luis Munoz Marin Intl
14h 20m
2 stops
ABE9:05 pmAllentown-Bethlehem
$315
Find similar
United Airlines
Jan 18
ABE6:15 amAllentown-Bethlehem
14h 11m
2 stops
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU2:05 amSan Juan Luis Munoz Marin Intl
15h 17m
2 stops
ABE4:22 pmAllentown-Bethlehem
$321
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to San Juan Luis Munoz Marin Intl Airport 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 December 11, 2025.
Use the filters below to find and compare flights from Allentown to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 1/20

1:02 pm-8:50 pm

1 stop6h 48m

San Juan Luis Munoz Marin Intl

Tue 3/10

7:40 am-11:31 pm

1 stop15h 51m

$231

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 1/26

1:02 pm-8:50 pm

1 stop6h 48m

San Juan Luis Munoz Marin Intl

Wed 2/4

1:58 pm-10:26 pm

1 stop9h 28m

$250

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 1/17

6:15 am-10:22 pm

2 stops15h 07m

San Juan Luis Munoz Marin Intl

Wed 1/21

8:35 am-4:22 pm

1 stop8h 47m

$275

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 1/27

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

$285

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 1/26

1:02 pm-8:50 pm

1 stop6h 48m

San Juan Luis Munoz Marin Intl

Wed 2/4

3:49 pm-10:26 pm

1 stop7h 37m

$288

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 1/27

7:30 am-8:50 pm

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Fri 1/30

3:49 pm-10:26 pm

1 stop7h 37m

$291

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 1/17

7:49 pm-1:36 pm

1 stop16h 47m

San Juan Luis Munoz Marin Intl

Wed 1/21

8:05 pm-9:52 pm

1 stop26h 47m

$298

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 2/1

12:39 pm-8:58 pm

1 stop7h 19m

San Juan Luis Munoz Marin Intl

Wed 2/4

3:55 pm-10:50 pm

1 stop7h 55m

$308

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 1/26

3:01 pm-3:35 pm

1 stop23h 34m

San Juan Luis Munoz Marin Intl

Thu 1/29

6:00 am-2:59 pm

1 stop9h 59m

$313

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 1/17

6:15 am-10:22 pm

2 stops15h 07m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:45 am-9:05 pm

2 stops14h 20m

$315

Flights are sorted by cheapest round-trip flights first.

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See travel insights to San Juan from

How to get the cheapest flight ticket from Allentown to San Juan Luis Munoz Marin Intl Airport

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 San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $327.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Allentown is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $253. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Allentown because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $315.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $221. Flights in the evening are often more expensive with an average ticket price of $298.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $520 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Allentown for as low as $334 on momondo.

Can stopping save me money on Allentown to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 35% on your flight if you consider stops on a Allentown to San Juan Luis Munoz Marin Intl Airport flight.

When to book flights from Allentown to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to San Juan Luis Munoz Marin Intl Airport (ABE to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

8h 45m

Direct flights

None
The fastest flight from Allentown to San Juan Luis Munoz Marin Intl Airport takes 8h 45m
There are no direct flights from Allentown to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Allentown to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Allentown-Bethlehem to San Juan Luis Munoz Marin Intl by plane?

    A flight from Allentown-Bethlehem to San Juan Luis Munoz Marin Intl will travel around 1630.1 mi. 8h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Allentown-Bethlehem Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Allentown-Bethlehem Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Allentown-Bethlehem Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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.

  • What is the most popular airline from Allentown to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Allentown to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Allentown to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $78Free CancellationRating
5.8
3,085 reviews
Search Frontier flights
United AirlinesPriceFrom $191Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
DeltaPriceFrom $275Free CancellationRating
7.9
8,006 reviews
Search Delta flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Caguas
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to San Juan?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Allentown to San Juan for you.

Can I find flights from Allentown to San Juan with flexible booking policies on momondo?

All flight searches from Allentown to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Allentown to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Allentown. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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