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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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SJU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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1. Tell us where you want to go

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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 November, booked 63 days in advance, depart on a Monday or Saturday and return on a Friday

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 October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/101:48 pmABE - SJU
1 stop7h 21mAmerican Airlines
Wed 12/178:20 amSJU - ABE
1 stop15h 38mAmerican Airlines
Deal found 10/26$290
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/101:48 pmABE - SJU
1 stop7h 21mAmerican Airlines
Mon 12/154:41 pmSJU - ABE
1 stop7h 17mAmerican Airlines
Deal found 10/26$345
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/181:46 pmABE - SJU
1 stop6h 02mAmerican Airlines
Thu 11/204:44 pmSJU - ABE
1 stop7h 09mAmerican Airlines
Deal found 10/27$370
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/171:46 pmABE - SJU
1 stop6h 02mAmerican Airlines
Thu 11/202:05 pmSJU - ABE
1 stop9h 48mAmerican Airlines
Deal found 10/26$393
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 12/72:37 pmABE - SJU
1 stop18h 56mMultiple Airlines
Thu 12/115:00 pmSJU - ABE
2 stops30h 24mMultiple Airlines
Deal found 10/27$404
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/318:00 amABE - SJU
1 stop17h 54mMultiple Airlines
Mon 11/310:39 pmSJU - ABE
1 stop11h 47mMultiple Airlines
Deal found 10/27$406
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 12/106:57 pmABE - SJU
2 stops24h 11mMultiple Airlines
Wed 12/175:00 pmSJU - ABE
1 stop30h 38mMultiple Airlines
Deal found 10/26$416
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 10/3012:14 pmABE - SJU
2 stops25h 58mMultiple Airlines
Mon 11/310:39 pmSJU - ABE
1 stop11h 47mMultiple Airlines
Deal found 10/27$423
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/318:00 amABE - SJU
1 stop17h 44mMultiple Airlines
Sat 11/13:19 pmSJU - ABE
1 stop21h 52mMultiple Airlines
Deal found 10/27$425

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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$290
(American Airlines)

One-way from

$118
(American Airlines)

Popular in

September

Cheapest in

January

Average price

$420
Provider with most accurate pricing for Allentown-Bethlehem-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Allentown-Bethlehem to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Allentown-Bethlehem to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 28, 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

Sat 1/17

5:59 pm-2:25 pm

1 stop19h 26m

San Juan Luis Munoz Marin Intl

Sat 1/24

8:28 pm-1:03 pm

1 stop17h 35m

$384

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 1/17

11:30 am-12:36 am

2 stops12h 06m

San Juan Luis Munoz Marin Intl

Sat 1/24

8:10 am-9:15 pm

2 stops14h 05m

$437

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 1/13

11:30 am-12:36 am

2 stops12h 06m

San Juan Luis Munoz Marin Intl

Fri 1/23

2:05 am-9:15 pm

3 stops20h 10m

$566

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 12/10

5:22 pm-10:22 pm

2 stops28h 00m

San Juan Luis Munoz Marin Intl

Tue 12/16

2:05 am-4:47 pm

2 stops15h 42m

$607

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Fri 10/31

6:32 am-2:40 pm

1 stop8h 08m

San Juan Luis Munoz Marin Intl

Tue 11/4

8:30 am-9:16 pm

2 stops13h 46m

$626

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 11/1

6:32 am-8:26 pm

2 stops13h 54m

San Juan Luis Munoz Marin Intl

Sat 11/8

8:10 am-4:47 pm

1 stop9h 37m

$626

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 11/1

6:32 am-8:26 pm

2 stops13h 54m

San Juan Luis Munoz Marin Intl

Tue 11/4

8:30 am-9:16 pm

2 stops13h 46m

$626

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 11/24

6:30 am-2:54 am

1 stop19h 24m

$179

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 11/23

10:00 am-2:54 am

1 stop15h 54m

$192

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 1/10

8:00 am-11:49 pm

3 stops38h 49m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 16 results
1
2

Compare providers for flights from Allentown to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Luis Munoz Marin Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Allentown-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Allentown-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Allentown-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 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, March is the cheapest month in which you can book a flight from Allentown to San Juan Luis Munoz Marin Intl Airport (average of $78). Flying from Allentown to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $138). 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 October 28, 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 42% 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 October 28, 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
7.9
Good
7,994 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,124 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 can get you from Allentown to San Juan Luis Munoz Marin Intl Airport in just under 12h 06m. Your travel time can differ by up to . The distance between Allentown and San Juan Luis Munoz Marin Intl Airport is about 1633 mi.

  • 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 American Airlines, with the lowest prices starting at $202 and $249, respectively. Frontier is priced at 84% 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, March is the cheapest month in which you can book a flight from Allentown to San Juan Luis Munoz Marin Intl Airport (average of $78). Flying from Allentown to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $138). 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$248FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$202Average$462FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$249Average$512FlexibilityNo cancel feeOn-time71%
DeltaCheapest$275Average$573FlexibilityNo cancel feeOn-timeN/A

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