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Cheap flights from Allentown to San Juan from $141

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Allentown to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:00 pm - 11:50 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
8h 50m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:55 pm - 10:46 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
7h 51m1 stop Atlanta Hartsfield-Jackson
$316Delta
Sun, Jan 17 - Thu, Jan 21
United Airlines Logo
10:37 am - 11:50 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
13h 13m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:40 am - 9:02 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
14h 22m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$316United Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
6:15 am - 10:22 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
15h 07m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
2:05 am - 4:56 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
15h 51m2 stops Newark Chicago O'Hare Intl
$345United Airlines
Sat, Nov 7 - Fri, Nov 13
American Airlines Logo
7:36 am - 9:13 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
12h 37m1 stop Charlotte Douglas
American Airlines Logo
7:05 am - 11:24 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
17h 19m1 stop Charlotte Douglas
$349American Airlines
Sat, Nov 7 - Sat, Nov 14
Delta Logo
1:00 pm - 11:19 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
10h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:00 pm - 10:46 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
9h 46m1 stop Atlanta Hartsfield-Jackson
$366Delta
Tue, Mar 23 - Wed, Mar 31
United Airlines Logo
6:20 am - 8:38 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
14h 18m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
7:25 am - 4:56 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
9h 31m1 stop Chicago O'Hare Intl
$371United Airlines
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
12:55 pm - 9:13 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
7h 18m1 stop Charlotte Douglas
American Airlines Logo
7:05 am - 11:24 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
17h 19m1 stop Charlotte Douglas
$382American Airlines
Sat, Nov 7 - Sat, Nov 14
Delta Logo
2:00 pm - 11:50 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
8h 50m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:55 pm - 10:46 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
7h 51m1 stop Atlanta Hartsfield-Jackson
$394Delta
Sun, Jan 17 - Thu, Jan 21
American Airlines Logo
7:44 am - 3:28 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
7h 44m1 stop Charlotte Douglas
American Airlines Logo
4:45 pm - 12:19 amSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
8h 34m1 stop Charlotte Douglas
$454American Airlines
Tue, Oct 13 - Thu, Nov 5
Delta Logo
1:00 pm - 11:50 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
9h 50m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:15 pm - 10:46 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
9h 31m1 stop Atlanta Hartsfield-Jackson
$456Delta
Wed, Jan 27 - Wed, Feb 3

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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
Nov 7
ABE6:15 amAllentown-Bethlehem
15h 07m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Nov 13
SJU2:05 amSan Juan Luis Munoz Marin Intl
15h 51m
2 stops
ABE4:56 pmAllentown-Bethlehem
$345
United Airlines
Oct 24
ABE6:20 amAllentown-Bethlehem
14h 18m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU7:25 amSan Juan Luis Munoz Marin Intl
9h 31m
1 stop
ABE4:56 pmAllentown-Bethlehem
$371
United Airlines
Nov 7
ABE6:15 amAllentown-Bethlehem
8h 25m
1 stop
SJU3:40 pmSan Juan Luis Munoz Marin Intl
Nov 13
SJU2:05 amSan Juan Luis Munoz Marin Intl
15h 51m
2 stops
ABE4:56 pmAllentown-Bethlehem
$385

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
Nov 7
ABE7:36 amAllentown-Bethlehem
12h 37m
1 stop
SJU9:13 pmSan Juan Luis Munoz Marin Intl
Nov 14
SJU7:05 amSan Juan Luis Munoz Marin Intl
17h 19m
1 stop
ABE11:24 pmAllentown-Bethlehem
$349
American Airlines
Nov 7
ABE12:55 pmAllentown-Bethlehem
7h 18m
1 stop
SJU9:13 pmSan Juan Luis Munoz Marin Intl
Nov 14
SJU7:05 amSan Juan Luis Munoz Marin Intl
17h 19m
1 stop
ABE11:24 pmAllentown-Bethlehem
$382
American Airlines
Oct 13
ABE7:44 amAllentown-Bethlehem
7h 44m
1 stop
SJU3:28 pmSan Juan Luis Munoz Marin Intl
Nov 5
SJU4:45 pmSan Juan Luis Munoz Marin Intl
8h 34m
1 stop
ABE12:19 amAllentown-Bethlehem
$454

momondo Fare Finder

 
Use the filters below to find and compare flights from Allentown to San Juan Luis Munoz Marin Intl Airport that are best for you.

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Price

Cheapest round-trip

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Sun 1/17

2:00 pm-11:50 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Thu 1/21

3:55 pm-10:46 pm

1 stop7h 51m

$316

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Sat 10/24

10:37 am-11:50 pm

2 stops13h 13m

San Juan Luis Munoz Marin Intl

Sat 10/31

6:40 am-9:02 pm

2 stops14h 22m

$316

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Sat 11/7

6:15 am-10:22 pm

2 stops15h 07m

San Juan Luis Munoz Marin Intl

Fri 11/13

2:05 am-4:56 pm

2 stops15h 51m

$345

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Sat 11/7

7:36 am-9:13 pm

1 stop12h 37m

San Juan Luis Munoz Marin Intl

Sat 11/14

7:05 am-11:24 pm

1 stop17h 19m

$349

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Tue 3/23

1:00 pm-11:19 pm

1 stop10h 19m

San Juan Luis Munoz Marin Intl

Wed 3/31

1:00 pm-10:46 pm

1 stop9h 46m

$366

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Sat 10/24

6:20 am-8:38 pm

2 stops14h 18m

San Juan Luis Munoz Marin Intl

Sat 10/31

7:25 am-4:56 pm

1 stop9h 31m

$371

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Sat 11/7

12:55 pm-9:13 pm

1 stop7h 18m

San Juan Luis Munoz Marin Intl

Sat 11/14

7:05 am-11:24 pm

1 stop17h 19m

$382

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Sun 1/17

2:00 pm-11:50 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Thu 1/21

3:55 pm-10:46 pm

1 stop7h 51m

$394
Quickest round-trip

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Tue 10/13

7:44 am-3:28 pm

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Thu 11/5

4:45 pm-12:19 am

1 stop8h 34m

$454

AllentownSan Juan

ABE Allentown-Bethlehem - SJU San Juan Luis Munoz Marin Intl

ABESJU

Allentown-Bethlehem

Wed 1/27

1:00 pm-11:50 pm

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Wed 2/3

2:15 pm-10:46 pm

1 stop9h 31m

$456

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 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 February, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $370.

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

You could potentially save up to 40% on your flight if you consider stops on a Allentown to San Juan Luis Munoz Marin Intl Airport flight.

How have Allentown to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of September 2026, prices for Allentown to San Juan Luis Munoz Marin Intl Airport flights are approximately 71% cheaper when compared to flights at the same time last year.

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

Best Price Found

$141

Fastest flight time

7h 00m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Allentown in the past 72 hours is $141. The best round-trip flight deal from Allentown to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $316.
The fastest flight from Allentown to San Juan Luis Munoz Marin Intl Airport takes 7h 00m
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

Frequently asked questions about flying from Allentown to San Juan Luis Munoz Marin Intl Airport

  • 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. 7h 00m 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 $83Free CancellationRating
5.6
2,568 reviews
Search Frontier flights
DeltaPriceFrom $275Free CancellationRating
7.8
8,611 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.0
12,095 reviews
Search American Airlines 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
Rio Grande
Humacao
Caguas
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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