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Cheap flights from Allentown to San Juan from $153

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 8/28. 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
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.
Multiple Airlines Logo
6:18 pm - 4:11 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
21h 53m1 stop Fort Lauderdale
Multiple Airlines Logo
6:12 pm - 9:09 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
27h 57m1 stop Fort Lauderdale
$236Multiple Airlines
Mon, Aug 31 - Wed, Nov 4
Delta Logo
1:10 pm - 10:29 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
9h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:15 am - 5:16 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
10h 01m1 stop Atlanta Hartsfield-Jackson
$278Delta
Sat, Sep 5 - Fri, Oct 30
Delta Logo
1:10 pm - 10:29 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
9h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:15 am - 5:16 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
10h 01m1 stop Atlanta Hartsfield-Jackson
$278Delta
Sat, Sep 5 - Thu, Oct 29
Delta Logo
1:10 pm - 10:29 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
9h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:59 pm - 10:29 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
7h 30m1 stop Atlanta Hartsfield-Jackson
$278Delta
Sat, Sep 5 - Wed, Nov 4
Multiple Airlines Logo
6:18 pm - 4:11 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
21h 53m1 stop Fort Lauderdale
Multiple Airlines Logo
9:03 am - 10:28 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
13h 25m1 stop Orlando
$304Multiple Airlines
Mon, Aug 31 - Fri, Oct 30
Multiple Airlines Logo
6:18 pm - 4:11 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
21h 53m1 stop Fort Lauderdale
Multiple Airlines Logo
10:03 am - 10:28 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
13h 25m1 stop Orlando
$304Multiple Airlines
Mon, Aug 31 - Mon, Nov 2
American Airlines Logo
4:57 pm - 11:59 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
7h 02m1 stop Charlotte Douglas
American Airlines Logo
3:53 pm - 11:24 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
8h 31m1 stop Charlotte Douglas
$306American Airlines
Tue, Sep 1 - Tue, Nov 3
American Airlines Logo
6:20 am - 2:53 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
8h 33m1 stop Charlotte Douglas
American Airlines Logo
3:51 pm - 12:28 amSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
8h 37m1 stop Charlotte Douglas
$306American Airlines
Sun, Sep 6 - Thu, Oct 29
American Airlines Logo
6:00 am - 2:51 pmABE  Allentown-Bethlehem-SJU San Juan Luis Munoz Marin Intl
8h 51m1 stop Charlotte Douglas
American Airlines Logo
3:53 pm - 11:24 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
8h 31m1 stop Charlotte Douglas
$306American Airlines
Tue, Sep 1 - Wed, Nov 4
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 - 5:00 pmSJU  San Juan Luis Munoz Marin Intl-ABE Allentown-Bethlehem
9h 35m1 stop Chicago O'Hare Intl
$328United Airlines
Tue, Oct 20 - Tue, Oct 27

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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
Sep 1
ABE4:57 pmAllentown-Bethlehem
7h 02m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU3:53 pmSan Juan Luis Munoz Marin Intl
8h 31m
1 stop
ABE11:24 pmAllentown-Bethlehem
$306
American Airlines
Sep 2
ABE6:00 amAllentown-Bethlehem
8h 51m
1 stop
SJU2:51 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU6:28 amSan Juan Luis Munoz Marin Intl
6h 56m
1 stop
ABE12:24 pmAllentown-Bethlehem
$311
American Airlines
Oct 20
ABE7:44 amAllentown-Bethlehem
7h 44m
1 stop
SJU3:28 pmSan Juan Luis Munoz Marin Intl
Oct 27
SJU4:18 pmSan Juan Luis Munoz Marin Intl
7h 07m
1 stop
ABE11:25 pmAllentown-Bethlehem
$313

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
Oct 20
ABE6:20 amAllentown-Bethlehem
14h 18m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Oct 27
SJU7:25 amSan Juan Luis Munoz Marin Intl
9h 35m
1 stop
ABE5:00 pmAllentown-Bethlehem
$328
United Airlines
Sep 1
ABE6:15 amAllentown-Bethlehem
8h 29m
1 stop
SJU2:44 pmSan Juan Luis Munoz Marin Intl
Nov 2
SJU8:25 amSan Juan Luis Munoz Marin Intl
9h 35m
1 stop
ABE5:00 pmAllentown-Bethlehem
$368
United Airlines
Sep 1
ABE6:15 amAllentown-Bethlehem
14h 23m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Nov 4
SJU8:25 amSan Juan Luis Munoz Marin Intl
9h 35m
1 stop
ABE5:00 pmAllentown-Bethlehem
$400

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 August 14, 2026.
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

Cheapest round-trip

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Mon 8/31

6:18 pm-4:11 pm

1 stop21h 53m

San Juan Luis Munoz Marin Intl

Wed 11/4

6:12 pm-9:09 pm

1 stop27h 57m

$236

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sat 9/5

1:10 pm-10:29 pm

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Fri 10/30

7:15 am-5:16 pm

1 stop10h 01m

$278

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sat 9/5

1:10 pm-10:29 pm

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Thu 10/29

7:15 am-5:16 pm

1 stop10h 01m

$278

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sat 9/5

1:10 pm-10:29 pm

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Wed 11/4

3:59 pm-10:29 pm

1 stop7h 30m

$278

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Mon 8/31

6:18 pm-4:11 pm

1 stop21h 53m

San Juan Luis Munoz Marin Intl

Fri 10/30

9:03 am-10:28 pm

1 stop13h 25m

$304

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Mon 8/31

6:18 pm-4:11 pm

1 stop21h 53m

San Juan Luis Munoz Marin Intl

Mon 11/2

10:03 am-10:28 pm

1 stop13h 25m

$304
Quickest round-trip

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Tue 9/1

4:57 pm-11:59 pm

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Tue 11/3

3:53 pm-11:24 pm

1 stop8h 31m

$306

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Sun 9/6

6:20 am-2:53 pm

1 stop8h 33m

San Juan Luis Munoz Marin Intl

Thu 10/29

3:51 pm-12:28 am

1 stop8h 37m

$306

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Tue 9/1

6:00 am-2:51 pm

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Wed 11/4

3:53 pm-11:24 pm

1 stop8h 31m

$306

AllentownSan Juan

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

ABESJU

Allentown-Bethlehem

Tue 10/20

6:20 am-8:38 pm

2 stops14h 18m

San Juan Luis Munoz Marin Intl

Tue 10/27

7:25 am-5:00 pm

1 stop9h 35m

$328

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 typical price of a round-trip flight between Allentown and San Juan Luis Munoz Marin Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $337 to $585.
The lowest price recently found on this route was $236.

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 37% 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 August 2026, prices for Allentown to San Juan Luis Munoz Marin Intl Airport flights are approximately 37% 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

Fastest flight time

6h 50m

Direct flights

None
The fastest flight from Allentown to San Juan Luis Munoz Marin Intl Airport takes 6h 50m
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. 6h 50m 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
2,695 reviews
Search Frontier flights
American AirlinesPriceFrom $272Free CancellationRating
7.1
11,928 reviews
Search American Airlines flights
DeltaPriceFrom $275Free CancellationRating
7.8
8,501 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
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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