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

Flying on Delta is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $275. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $413 and $712, respectively. Delta is priced at 40% 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 American Airlines. According to our data, you can fly for as low as $224. Users have also found prices from $261 and $649 on United Airlines and Delta, 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.

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 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.

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 $465. 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.

$214+ Flights from Allentown to San Juan Luis Munoz Marin Intl Airport

Q: How far in advance should I book a flight from Allentown to San Juan Luis Munoz Marin Intl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 32 days in advance, which can save you up to 50% on flights from Allentown to San Juan Luis Munoz Marin Intl Airport compared to booking the week you need them. Waiting 32 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $155. For sooner than that we have options available in the next 3 days from $155.

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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	$275 (Delta)
One-way from	$214 (Trip.com)
Popular in	August
Cheapest in	January
Average price	$547

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. 6% potential increase in price ($33 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in June 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 junio 12, 2025.

mar. 9/306:30 amABE - SJU

1 stop6h 53mDelta

sáb. 10/47:30 amSJU - ABE

1 stop9h 44mDelta

Deal found 6/11

$275

jue. 7/1711:42 amABE - SJU

1 stop9h 27mMultiple Airlines

sáb. 7/191:21 amSJU - ABE

2 stops20h 39mMultiple Airlines

Deal found 6/10

$379

lun. 10/65:42 pmABE - SJU

1 stop17h 08mAmerican Airlines

mar. 10/1411:50 amSJU - ABE

1 stop10h 22mAmerican Airlines

Deal found 6/10

$413

sáb. 7/125:35 pmABE - SJU

1 stop30h 19mUnited Airlines

vie. 7/181:10 amSJU - ABE

2 stops20h 45mUnited Airlines

Deal found 6/10

$712

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 junio 12, 2025.

mar. 9/306:30 amABE - SJU

1 stop6h 53mDelta

sáb. 10/47:30 amSJU - ABE

1 stop9h 44mDelta

Deal found 6/11

$275

jue. 7/1711:42 amABE - SJU

1 stop9h 27mMultiple Airlines

sáb. 7/191:21 amSJU - ABE

2 stops20h 39mMultiple Airlines

Deal found 6/10

$379

lun. 10/65:42 pmABE - SJU

1 stop17h 08mAmerican Airlines

mar. 10/1411:50 amSJU - ABE

1 stop10h 22mAmerican Airlines

Deal found 6/10

$413

sáb. 7/125:35 pmABE - SJU

1 stop30h 19mUnited Airlines

vie. 7/181:10 amSJU - ABE

2 stops20h 45mUnited Airlines

Deal found 6/10

$712

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 junio 12, 2025 and is based on user searches.

sáb. 6/1412:57 pmABE - SJU

1 stop6h 56mDelta

vie. 6/202:40 pmSJU - ABE

1 stop7h 49mDelta

Deal found 6/9

$735

mié. 6/1812:00 pmABE - SJU

2 stops31h 19mMultiple Airlines

vie. 6/206:50 amSJU - ABE

2 stops15h 54mMultiple Airlines

Deal found 6/11

$569

mié. 6/186:15 amABE - SJU

2 stops9h 06mAmerican Airlines

vie. 6/203:45 pmSJU - ABE

1 stop8h 35mAmerican Airlines

Deal found 6/11

$1,121

jue. 6/196:30 amABE - SJU

1 stop8h 14mUnited Airlines

dom. 6/227:45 amSJU - ABE

1 stop9h 14mUnited Airlines

Deal found 6/10

$1,620

jue. 6/1912:57 pmABE - SJU

1 stop6h 56mDelta

lun. 6/232:40 pmSJU - ABE

1 stop7h 49mDelta

Deal found 6/11

$1,646

sáb. 7/126:15 amABE - SJU

1 stop16h 40mAmerican Airlines

sáb. 7/197:54 amSJU - ABE

1 stop16h 33mAmerican Airlines

Deal found 6/10

$545

sáb. 7/125:35 pmABE - SJU

1 stop30h 19mUnited Airlines

vie. 7/181:10 amSJU - ABE

2 stops20h 45mUnited Airlines

Deal found 6/10

$712

jue. 7/1711:42 amABE - SJU

1 stop9h 27mMultiple Airlines

sáb. 7/191:21 amSJU - ABE

2 stops20h 39mMultiple Airlines

Deal found 6/10

$379

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 junio 12, 2025.

sáb. 6/216:00 amABE - SJU

2 stops17h 59mMultiple Airlines

Deal found 6/10

$214

sáb. 6/216:15 amABE - SJU

1 stop16h 40mAmerican Airlines

Deal found 6/10

$224

vie. 7/45:35 pmABE - SJU

2 stops11h 55mUnited Airlines

Deal found 6/9

$261

mar. 6/176:00 amABE - SJU

1 stop7h 30mDelta

Deal found 6/11

$649

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

mar. 9/30

6:30 am-1:23 pm

1 stop6h 53m

San Juan Luis Munoz Marin Intl

sáb. 10/4

7:30 am-5:14 pm

1 stop9h 44m

$275

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

jue. 7/17

11:42 am-9:09 pm

1 stop9h 27m

San Juan Luis Munoz Marin Intl

sáb. 7/19

1:21 am-10:00 pm

2 stops20h 39m

$379

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

lun. 10/6

5:42 pm-10:50 am

1 stop17h 08m

San Juan Luis Munoz Marin Intl

mar. 10/14

11:50 am-10:12 pm

1 stop10h 22m

$413

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

sáb. 7/12

5:35 pm-11:54 pm

1 stop30h 19m

San Juan Luis Munoz Marin Intl

vie. 7/18

1:10 am-9:55 pm

2 stops20h 45m

$712

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

sáb. 6/21

6:00 am-11:59 pm

2 stops17h 59m

$214

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

sáb. 6/21

6:15 am-10:55 pm

1 stop16h 40m

$224

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

vie. 7/4

5:35 pm-5:30 am

2 stops11h 55m

$261

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

mar. 6/17

6:00 am-1:30 pm

1 stop7h 30m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Rainfall in Luis Munoz Marin Intl by month

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.

Temperature in Luis Munoz Marin Intl by month

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).

Reviews of airlines servicing Luis Munoz Marin Intl

Read through reviews of airlines operating flights from Allentown to San Juan, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 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

7,946 reviews

Delta

8.0

Very good

7,946 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

8,790 reviews

Delta

8.0

Very good

7,946 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

7,946 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 Delta is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $275. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $413 and $712, respectively. Delta is priced at 40% 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 American Airlines. According to our data, you can fly for as low as $224. Users have also found prices from $261 and $649 on United Airlines and Delta, 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

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Fajardo

Luquillo

Rio Grande

Humacao

Bayamón

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Top 4 airlines flying from Allentown to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$78	Average$237	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$170	Average$520	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$242	Average$470	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$285	Average$558	FlexibilityNo cancel fee	On-time71%

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$214+ 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 6/21. 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

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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 junio 12, 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 junio 12, 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 June 9, 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 junio 12, 2025.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Luis Munoz Marin Intl

Read through reviews of airlines operating flights from Allentown to San Juan, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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 Allentown?

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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

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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 junio 12, 2025.