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Cheap flights from Allentown to San Juan from $173

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 San Juan departing on 11/17. 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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Cheap round-trip flights

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United Airlines Logo
11:30 am - 6:11 amABE-SJU
17h 41m2 stops
United Airlines Logo
7:45 am - 9:01 pmSJU-ABE
14h 16m2 stops
$291United Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
1:48 pm - 10:09 pmABE-SJU
7h 21m1 stop
American Airlines Logo
8:20 am - 3:53 pmSJU-ABE
8h 33m1 stop
$316American Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
American Airlines Logo
1:46 pm - 8:48 pmABE-SJU
6h 02m1 stop
American Airlines Logo
4:44 pm - 10:53 pmSJU-ABE
7h 09m1 stop
$330American Airlines
Find Deal
Tue, Nov 18 - Thu, Nov 20
American Airlines Logo
1:46 pm - 8:48 pmABE-SJU
6h 02m1 stop
American Airlines Logo
8:00 am - 10:53 pmSJU-ABE
15h 53m1 stop
$370American Airlines
Find Deal
Tue, Nov 18 - Thu, Nov 20
American Airlines Logo
6:10 am - 10:05 pmABE-SJU
14h 55m1 stop
American Airlines Logo
8:18 am - 11:06 pmSJU-ABE
15h 48m1 stop
$371American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
5:59 pm - 9:56 amABE-SJU
14h 57m1 stop
Multiple Airlines Logo
7:00 am - 11:52 amSJU-ABE
29h 52m1 stop
$373Multiple Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
11:30 am - 9:00 pmABE-SJU
8h 30m1 stop
United Airlines Logo
7:45 am - 9:01 pmSJU-ABE
14h 16m2 stops
$379United Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
Multiple Airlines Logo
2:38 pm - 5:54 pmABE-SJU
26h 16m2 stops
Multiple Airlines Logo
9:45 pm - 12:59 pmSJU-ABE
16h 14m1 stop
$388Multiple Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
American Airlines Logo
1:46 pm - 8:48 pmABE-SJU
6h 02m1 stop
American Airlines Logo
8:00 am - 10:53 pmSJU-ABE
15h 53m1 stop
$393American Airlines
Find Deal
Tue, Nov 18 - Thu, Nov 20
Delta Logo
12:46 pm - 9:59 pmABE-SJU
9h 13m1 stop
Delta Logo
3:36 pm - 10:15 pmSJU-ABE
7h 39m1 stop
$506Delta
Find Deal
Sat, Nov 1 - Thu, Nov 6

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
Dec 10
ABE1:48 pmAllentown-Bethlehem
7h 21m
1 stop
SJU10:09 pmSan Juan Luis Munoz Marin Intl
Dec 17
SJU8:20 amSan Juan Luis Munoz Marin Intl
8h 33m
1 stop
ABE3:53 pmAllentown-Bethlehem
$316
Find similar
American Airlines
Nov 18
ABE1:46 pmAllentown-Bethlehem
6h 02m
1 stop
SJU8:48 pmSan Juan Luis Munoz Marin Intl
Nov 20
SJU4:44 pmSan Juan Luis Munoz Marin Intl
7h 09m
1 stop
ABE10:53 pmAllentown-Bethlehem
$330
Find similar
American Airlines
Nov 18
ABE1:46 pmAllentown-Bethlehem
6h 02m
1 stop
SJU8:48 pmSan Juan Luis Munoz Marin Intl
Nov 20
SJU8:00 amSan Juan Luis Munoz Marin Intl
15h 53m
1 stop
ABE10:53 pmAllentown-Bethlehem
$370
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
Feb 7
ABE11:30 amAllentown-Bethlehem
17h 41m
2 stops
SJU6:11 amSan Juan Luis Munoz Marin Intl
Feb 14
SJU7:45 amSan Juan Luis Munoz Marin Intl
14h 16m
2 stops
ABE9:01 pmAllentown-Bethlehem
$291
Find similar
United Airlines
Feb 7
ABE11:30 amAllentown-Bethlehem
8h 30m
1 stop
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Feb 14
SJU7:45 amSan Juan Luis Munoz Marin Intl
14h 16m
2 stops
ABE9:01 pmAllentown-Bethlehem
$379
Find similar
United Airlines
Dec 6
ABE6:30 amAllentown-Bethlehem
14h 52m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Dec 12
SJU2:05 amSan Juan Luis Munoz Marin Intl
15h 42m
2 stops
ABE4:47 pmAllentown-Bethlehem
$426
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 October 22, 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

Sat 2/7

11:30 am-6:11 am

2 stops17h 41m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:45 am-9:01 pm

2 stops14h 16m

$291

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

8:20 am-3:53 pm

1 stop8h 33m

$316

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 11/18

1:46 pm-8:48 pm

1 stop6h 02m

San Juan Luis Munoz Marin Intl

Thu 11/20

4:44 pm-10:53 pm

1 stop7h 09m

$330

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 11/18

1:46 pm-8:48 pm

1 stop6h 02m

San Juan Luis Munoz Marin Intl

Thu 11/20

8:00 am-10:53 pm

1 stop15h 53m

$370

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 12/6

6:10 am-10:05 pm

1 stop14h 55m

San Juan Luis Munoz Marin Intl

Sat 12/13

8:18 am-11:06 pm

1 stop15h 48m

$371

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 2/7

5:59 pm-9:56 am

1 stop14h 57m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:00 am-11:52 am

1 stop29h 52m

$373

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 2/7

11:30 am-9:00 pm

1 stop8h 30m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:45 am-9:01 pm

2 stops14h 16m

$379

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 11/17

2:38 pm-5:54 pm

2 stops26h 16m

San Juan Luis Munoz Marin Intl

Mon 11/24

9:45 pm-12:59 pm

1 stop16h 14m

$388

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 11/18

1:46 pm-8:48 pm

1 stop6h 02m

San Juan Luis Munoz Marin Intl

Thu 11/20

8:00 am-10:53 pm

1 stop15h 53m

$393

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 11/1

12:46 pm-9:59 pm

1 stop9h 13m

San Juan Luis Munoz Marin Intl

Thu 11/6

3:36 pm-10:15 pm

1 stop7h 39m

$506

Flights are sorted by cheapest round-trip flights first.

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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 January, then flying in November 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 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. On the other hand, Sunday 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 $796.

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 in the evening when flights can be purchased for as low as $284. Flights in the morning are often more expensive with an average ticket price of $531.

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 $506 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 1% 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

Direct flights

None
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.
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  • 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. 6h 02m 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
3,129 reviews
Search Frontier flights
United AirlinesPriceFrom $202Free CancellationRating
7.4
8,990 reviews
Search United Airlines flights
American AirlinesPriceFrom $249Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
DeltaPriceFrom $275Free CancellationRating
7.9
7,981 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
Caguas
Humacao
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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