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Luis Munoz Marin Intl

$118+ Cheap flights from Allentown (ABE) to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SJU
oct. 11 — oct. 181
sam. 10/11
sam. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Allentown-Bethlehem to San Juan Luis Munoz Marin Intl are usually found in January or September, booked 63 days in advance, depart on a Monday or Saturday and return on a Friday

Cheap flight deals from Allentown to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septembre 11, 2025.

Round-trip from

$371
(Kiwi.com)

One-way from

$118
(American Airlines)

Popular in

August

Cheapest in

January

Average price

$307
From Allentown-Bethlehem to San Juan Luis Munoz Marin Intl
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One-way flight from Allentown-Bethlehem to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Allentown to Luis Munoz Marin Intl

Cheapest flights from Allentown to Luis Munoz Marin Intl
Explore the most affordable flight options available from Allentown to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/136:00 amABE - SJU
1 stop12h 21mMultiple Airlines
sam. 11/152:11 amSJU - ABE
2 stops19h 41mMultiple Airlines
Deal found 9/10$371
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/312:43 pmABE - SJU
1 stop7h 27mAmerican Airlines
lun. 11/33:05 pmSJU - ABE
1 stop8h 47mAmerican Airlines
Deal found 9/10$385
This Trip.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/228:30 amABE - SJU
1 stop18h 04mMultiple Airlines
ven. 9/269:07 amSJU - ABE
1 stop11h 33mMultiple Airlines
Deal found 9/9$404
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/254:55 pmABE - SJU
1 stop15h 07mMultiple Airlines
sam. 9/2712:28 amSJU - ABE
2 stops22h 10mMultiple Airlines
Deal found 9/9$419
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/83:46 pmABE - SJU
2 stops34h 13mMultiple Airlines
lun. 12/156:00 amSJU - ABE
1 stop17h 24mMultiple Airlines
Deal found 9/9$424
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/235:53 pmABE - SJU
1 stop6h 01mAmerican Airlines
lun. 10/277:10 amSJU - ABE
1 stop15h 30mAmerican Airlines
Deal found 9/10$425
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/87:31 amABE - SJU
1 stop8h 32mAmerican Airlines
lun. 12/154:41 pmSJU - ABE
1 stop7h 17mAmerican Airlines
Deal found 9/9$465

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated septembre 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

Allentown

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

dim. 1/18

11:30 am-6:11 am

2 stops17h 41m

San Juan Luis Munoz Marin Intl

mer. 1/21

8:35 am-4:22 pm

1 stop8h 47m

$415

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

jeu. 1/1

6:00 am-2:15 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

sam. 1/10

6:15 am-1:04 pm

1 stop7h 49m

$480

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

mar. 2/17

11:50 am-9:00 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

mar. 3/3

2:05 am-1:55 pm

2 stops12h 50m

$599

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

mar. 3/3

6:30 am-2:15 pm

1 stop6h 45m

San Juan Luis Munoz Marin Intl

ven. 3/6

3:30 pm-10:52 pm

1 stop8h 22m

$615

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

mar. 3/3

11:50 am-9:00 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

ven. 3/6

8:35 am-9:47 pm

1 stop14h 12m

$615

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

jeu. 2/19

6:44 am-3:40 pm

1 stop7h 56m

San Juan Luis Munoz Marin Intl

ven. 2/27

2:05 am-1:55 pm

2 stops12h 50m

$632

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

mer. 11/5

7:30 am-5:05 pm

1 stop8h 35m

$118

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

ven. 10/31

2:43 pm-10:10 pm

1 stop7h 27m

$173

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

mer. 9/24

6:37 am-8:38 pm

2 stops14h 01m

$218

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

ven. 12/12

3:46 pm-12:54 am

2 stops32h 08m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 16 results
1
2

Best time to book a flight from Allentown to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Allentown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Allentown to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Allentown to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Allentown to Luis Munoz Marin Intl. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Allentown to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Allentown to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Allentown to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Allentown to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ABE to SJU?

Find hourly flight availability from Allentown to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septembre 11, 2025.

It’s typically best to fly out from Allentown to San Juan Luis Munoz Marin Intl Airport at noon. Doing so could potentially save you 43% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated septembre 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Allentown to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Allentown to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Allentown to San Juan Luis Munoz Marin Intl?

    Located just 3.9 mi from the city center, Allentown-Bethlehem is the airport most travelers will use when flying to San Juan Luis Munoz Marin Intl from Allentown. Booking flights from Allentown-Bethlehem (ABE) to San Juan Luis Munoz Marin Intl should be relatively easy as there are 0 daily outbound flights to San Juan Luis Munoz Marin Intl from 4 different airlines.

  • How long is the flight from Allentown to San Juan Luis Munoz Marin Intl Airport?

    United Airlines and Delta can get you from Allentown to San Juan Luis Munoz Marin Intl Airport in just under 7h 15m. Your travel time can differ by up to 10h 26m. The distance between Allentown and San Juan Luis Munoz Marin Intl Airport is about 1633 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Allentown to San Juan Luis Munoz Marin Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $78. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $175 and $217, respectively. Frontier is priced at 82% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Allentown to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Allentown to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Allentown to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Allentown to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Allentown to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Allentown to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Top 4 airlines flying from Allentown to Luis Munoz Marin Intl

Discover the top 4 airlines that operate flights from Allentown to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$248FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$175Average$462FlexibilityNo cancel feeOn-time69%
DeltaCheapest$217Average$472FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$242Average$516FlexibilityNo cancel feeOn-time71%

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