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

Flying on American Airlines is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $245. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $477 and $483, respectively. American Airlines is priced at 44% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Allentown to San Juan Luis Munoz Marin Intl Airport one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as $138. Users have also found prices from $256 and $271 on United Airlines and American Airlines, respectively.

What is the cheapest day to fly from Allentown to San Juan Luis Munoz Marin Intl Airport?

Travelers seeking maximum savings on their Allentown to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What are the most popular airlines that fly from Allentown to San Juan Luis Munoz Marin Intl Airport?

Before booking your flight from Allentown to San Juan Luis Munoz Marin Intl Airport check out the most popular airlines for this route: American Airlines, Delta or Frontier.

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

January can be a great time to fly to San Juan Luis Munoz Marin Intl Airport from Allentown with a flight ticket averaging about $439. Cheapflights users have found deals in the month of January for as cheap as $155. The most expensive prices can be found in the month of August.

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.

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.

$138+ Flights from Allentown to San Juan Luis Munoz Marin Intl Airport

Q: How much does it cost to fly round-trip from Allentown to San Juan Luis Munoz Marin Intl Airport?

Airfare is below average for this route at the moment. Allentown to San Juan Luis Munoz Marin Intl Airport flights typically cost between $521 and $794 in December. The cheapest round-trip price found within the last 3 days was $245 on American Airlines (Dec 9-Dec 16).

Q: What is the cheapest day to fly round-trip from Allentown to San Juan Luis Munoz Marin Intl Airport?

Users have found that flying from Allentown to San Juan Luis Munoz Marin Intl Airport on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Allentown to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Round-trip from	$245 (American Airlines)
One-way from	$138 (Delta)
Popular in	August
Cheapest in	January
Average price	$462

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. 4% potential increase in price ($22 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 July 29, 2025.

Tue 12/96:12 amABE - SJU

1 stop6h 13mAmerican Airlines

Tue 12/1612:45 pmSJU - ABE

1 stop12h 32mAmerican Airlines

Deal found 7/27

$245

Sun 8/314:03 pmABE - SJU

1 stop8h 53mMultiple Airlines

Wed 9/31:59 amSJU - ABE

1 stop10h 11mMultiple Airlines

Deal found 7/29

$352

Tue 9/3012:48 pmABE - SJU

1 stop9h 12mDelta

Thu 10/212:58 pmSJU - ABE

1 stop9h 43mDelta

Deal found 7/28

$477

Best flights from Allentown to Luis Munoz Marin Intl
Discover carefully curated flight deals from Allentown to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Tue 12/96:12 amABE - SJU

1 stop6h 13mAmerican Airlines

Tue 12/1612:45 pmSJU - ABE

1 stop12h 32mAmerican Airlines

Deal found 7/27

$245

Sun 8/314:03 pmABE - SJU

1 stop8h 53mMultiple Airlines

Wed 9/31:59 amSJU - ABE

1 stop10h 11mMultiple Airlines

Deal found 7/29

$352

Tue 9/3012:48 pmABE - SJU

1 stop9h 12mDelta

Thu 10/212:58 pmSJU - ABE

1 stop9h 43mDelta

Deal found 7/28

$477

Sat 1/246:44 amABE - SJU

2 stops14h 38mUnited Airlines

Sun 2/18:35 amSJU - ABE

1 stop9h 26mUnited Airlines

Deal found 7/28

$483

Last-minute flights from Allentown to Luis Munoz Marin Intl
Discover last-minute flight deals from Allentown to Luis Munoz Marin Intl. Data last updated July 29, 2025 and is based on user searches.

Tue 8/56:30 amABE - SJU

1 stop8h 14mUnited Airlines

Tue 8/127:45 amSJU - ABE

1 stop14h 10mUnited Airlines

Deal found 7/29

$1,088

Wed 8/62:56 pmABE - SJU

1 stop6h 34mAmerican Airlines

Wed 8/137:55 amSJU - ABE

1 stop13h 49mAmerican Airlines

Deal found 7/27

$573

Thu 8/71:34 pmABE - SJU

2 stops21h 58mMultiple Airlines

Sat 8/91:37 amSJU - ABE

2 stops17h 50mMultiple Airlines

Deal found 7/29

$591

Thu 8/76:00 amABE - SJU

1 stop10h 35mDelta

Sat 8/97:30 amSJU - ABE

1 stop10h 04mDelta

Deal found 7/28

$1,276

Tue 8/196:37 amABE - SJU

1 stop8h 07mUnited Airlines

Mon 9/221:05 amSJU - ABE

2 stops10h 53mUnited Airlines

Deal found 7/27

$668

Sun 8/241:56 pmABE - SJU

1 stop9h 00mAmerican Airlines

Sat 8/308:00 amSJU - ABE

1 stop10h 19mAmerican Airlines

Deal found 7/27

$445

Sun 8/314:03 pmABE - SJU

1 stop8h 53mMultiple Airlines

Wed 9/31:59 amSJU - ABE

1 stop10h 11mMultiple Airlines

Deal found 7/29

$352

One-way flights from Allentown to Luis Munoz Marin Intl
Search for one-way flight options from Allentown to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sat 9/2712:48 pmABE - SJU

1 stop9h 12mDelta

Deal found 7/26

$138

Wed 12/312:30 pmABE - SJU

2 stops14h 41mUnited Airlines

Deal found 7/26

$256

Wed 10/16:00 amABE - SJU

1 stop9h 52mAmerican Airlines

Deal found 7/26

$271

Fri 9/53:37 pmABE - SJU

3 stops22h 34mMultiple Airlines

Deal found 7/28

$281

Cheapflights 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.

Fly from

Fly to

Route

Depart

Return

Price

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 12/9

6:12 am-1:25 pm

1 stop6h 13m

San Juan Luis Munoz Marin Intl

Tue 12/16

12:45 pm-12:17 am

1 stop12h 32m

$245

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 8/31

4:03 pm-12:56 am

1 stop8h 53m

San Juan Luis Munoz Marin Intl

Wed 9/3

1:59 am-12:10 pm

1 stop10h 11m

$352

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 9/30

12:48 pm-10:00 pm

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Thu 10/2

12:58 pm-10:41 pm

1 stop9h 43m

$477

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 1/24

6:44 am-10:22 pm

2 stops14h 38m

San Juan Luis Munoz Marin Intl

Sun 2/1

8:35 am-5:01 pm

1 stop9h 26m

$483

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 9/27

12:48 pm-10:00 pm

1 stop9h 12m

$138

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 12/31

2:30 pm-6:11 am

2 stops14h 41m

$256

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 10/1

6:00 am-3:52 pm

1 stop9h 52m

$271

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Fri 9/5

3:37 pm-2:11 pm

3 stops22h 34m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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?

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?

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.

How much does it cost to fly round-trip from Allentown to San Juan Luis Munoz Marin Intl Airport?

Reviews of airlines servicing Luis Munoz Marin Intl

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

7,977 reviews

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

7,977 reviews

Delta

8.0

Very good

7,977 reviews

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

8,899 reviews

Delta

8.0

Very good

7,977 reviews

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

7,977 reviews

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

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.
What are the cheapest airlines flying from Allentown to San Juan Luis Munoz Marin Intl Airport round-trip?
Flying on American Airlines is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $245. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $477 and $483, respectively. American Airlines is priced at 44% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Allentown to San Juan Luis Munoz Marin Intl Airport one-way?
For one-way options, check prices for Delta. According to our data, you can fly for as low as $138. Users have also found prices from $256 and $271 on United Airlines and American Airlines, respectively.
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

Dorado

Fajardo

Rio Grande

Luquillo

Humacao

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Allentown to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$78	Average$248	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$175	Average$462	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$217	Average$466	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$275	Average$529	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$138+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Allentown to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Allentown to Luis Munoz Marin Intl

Cheapest flights from Allentown to Luis Munoz Marin IntlExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights 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.

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.

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 July 25, 2025.

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

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 July 29, 2025.

How much does it cost to fly round-trip from Allentown to San Juan Luis Munoz Marin Intl Airport?

Reviews of airlines servicing Luis Munoz Marin Intl

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?

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

What are the cheapest airlines to fly from Allentown to San Juan Luis Munoz Marin Intl Airport one-way?

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

How can I 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?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Allentown to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Allentown to Luis Munoz Marin Intl

100% Free

Book with Flexibility

Travel Smart

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 July 29, 2025.