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Cheap flights from Allentown to San Juan from $168

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.
American Airlines Logo
12:48 pm - 9:11 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
7h 23m1 stop Charlotte Douglas
American Airlines Logo
4:02 pm - 11:28 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
8h 26m1 stop Charlotte Douglas
$319American Airlines
Tue, Jan 12 - Tue, Jan 19
United Airlines Logo
6:00 am - 9:24 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
14h 24m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
8:05 am - 9:22 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
14h 17m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$350United Airlines
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
6:00 am - 9:24 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
14h 24m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
8:25 am - 4:57 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
9h 32m1 stop Chicago O'Hare Intl
$356United Airlines
Sat, Dec 5 - Tue, Dec 8
United Airlines Logo
6:00 am - 9:24 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
14h 24m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
8:05 am - 9:22 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
14h 17m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$358United Airlines
Tue, Dec 8 - Tue, Dec 15
American Airlines Logo
12:48 pm - 9:11 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
7h 23m1 stop Charlotte Douglas
American Airlines Logo
6:00 am - 12:13 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
7h 13m1 stop Charlotte Douglas
$369American Airlines
Sun, Jan 17 - Tue, Jan 26
American Airlines Logo
7:35 am - 4:58 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
8h 23m1 stop Charlotte Douglas
American Airlines Logo
3:53 pm - 11:25 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
8h 32m1 stop Charlotte Douglas
$369American Airlines
Sat, Dec 5 - Tue, Dec 8
American Airlines Logo
6:00 am - 9:33 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
14h 33m1 stop Charlotte Douglas
American Airlines Logo
2:50 pm - 10:23 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
8h 33m1 stop Charlotte Douglas
$369American Airlines
Thu, Dec 10 - Thu, Dec 17
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
6:15 am - 5:21 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
12h 06m1 stop Atlanta Hartsfield-Jackson
$371Delta
Tue, Feb 23 - Wed, Mar 3
Delta Logo
1:00 pm - 9:00 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:15 am - 5:21 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
12h 06m1 stop Atlanta Hartsfield-Jackson
$371Delta
Sat, Feb 27 - Wed, Mar 3
Delta Logo
1:00 pm - 9:00 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:15 am - 5:21 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
12h 06m1 stop Atlanta Hartsfield-Jackson
$371Delta
Sun, Feb 28 - Wed, Mar 3

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Delta flights from Allentown to San Juan Luis Munoz Marin Intl Airport

Our best Delta deals on Allentown to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Feb 23
ABE1:00 pmAllentown-Bethlehem
7h 00m
1 stop
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU6:15 amSan Juan Luis Munoz Marin Intl
12h 06m
1 stop
ABE5:21 pmAllentown-Bethlehem
$371
Delta
Jan 29
ABE12:59 pmAllentown-Bethlehem
9h 59m
1 stop
SJU11:58 pmSan Juan Luis Munoz Marin Intl
Feb 7
SJU6:30 amSan Juan Luis Munoz Marin Intl
11h 53m
1 stop
ABE5:23 pmAllentown-Bethlehem
$386
Delta
Feb 24
ABE1:00 pmAllentown-Bethlehem
9h 50m
1 stop
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU6:15 amSan Juan Luis Munoz Marin Intl
12h 06m
1 stop
ABE5:21 pmAllentown-Bethlehem
$436

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
Dec 5
ABE6:00 amAllentown-Bethlehem
14h 24m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
Dec 8
SJU8:05 amSan Juan Luis Munoz Marin Intl
14h 17m
2 stops
ABE9:22 pmAllentown-Bethlehem
$350
United Airlines
Dec 5
ABE6:00 amAllentown-Bethlehem
14h 24m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
Dec 8
SJU8:25 amSan Juan Luis Munoz Marin Intl
9h 32m
1 stop
ABE4:57 pmAllentown-Bethlehem
$356
United Airlines
Dec 8
ABE6:00 amAllentown-Bethlehem
14h 24m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
Dec 15
SJU8:05 amSan Juan Luis Munoz Marin Intl
14h 17m
2 stops
ABE9:22 pmAllentown-Bethlehem
$358

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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Route

Depart

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Price

Cheapest round-trip

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Tue 1/12

12:48 pm-9:11 pm

1 stop7h 23m

San Juan Luis Munoz Marin Intl

Tue 1/19

4:02 pm-11:28 pm

1 stop8h 26m

$319

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sat 12/5

6:00 am-9:24 pm

2 stops14h 24m

San Juan Luis Munoz Marin Intl

Tue 12/8

8:05 am-9:22 pm

2 stops14h 17m

$350

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sat 12/5

6:00 am-9:24 pm

2 stops14h 24m

San Juan Luis Munoz Marin Intl

Tue 12/8

8:25 am-4:57 pm

1 stop9h 32m

$356

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Tue 12/8

6:00 am-9:24 pm

2 stops14h 24m

San Juan Luis Munoz Marin Intl

Tue 12/15

8:05 am-9:22 pm

2 stops14h 17m

$358
Quickest round-trip

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sun 1/17

12:48 pm-9:11 pm

1 stop7h 23m

San Juan Luis Munoz Marin Intl

Tue 1/26

6:00 am-12:13 pm

1 stop7h 13m

$369

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sat 12/5

7:35 am-4:58 pm

1 stop8h 23m

San Juan Luis Munoz Marin Intl

Tue 12/8

3:53 pm-11:25 pm

1 stop8h 32m

$369

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Thu 12/10

6:00 am-9:33 pm

1 stop14h 33m

San Juan Luis Munoz Marin Intl

Thu 12/17

2:50 pm-10:23 pm

1 stop8h 33m

$369

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Tue 2/23

1:00 pm-11:50 pm

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Wed 3/3

6:15 am-5:21 pm

1 stop12h 06m

$371

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sat 2/27

1:00 pm-9:00 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Wed 3/3

6:15 am-5:21 pm

1 stop12h 06m

$371

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sun 2/28

1:00 pm-9:00 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Wed 3/3

6:15 am-5:21 pm

1 stop12h 06m

$371

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 $340.

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

You could potentially save up to 29% 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 November 2026, prices for Allentown to San Juan Luis Munoz Marin Intl Airport flights are approximately 17% 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

$168

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 $168. 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 $319.
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
5.5
2,504 reviews
Search Frontier flights
DeltaPriceFrom $275Free CancellationRating
7.8
8,722 reviews
Search Delta flights
American AirlinesPriceFrom $293Free CancellationRating
7.0
12,235 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
Rio Grande
Luquillo
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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