San Juan

$142+ Cheap flights from Lehigh Valley to San Juan

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SJU
Mar 6 — Mar 131
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Cheap flight deals from Lehigh Valley to San Juan

Cheapest flights from Lehigh Valley to San Juan
Explore the most affordable flight options available from Lehigh Valley to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:47 pm
ABE
-
SJU
1 stop7h 25m
Delta
Wed 3/117:30 am
SJU
-
ABE
1 stop9h 47m
Delta
Deal found 2/2$319
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/257:41 am
ABE
-
SJU
1 stop11h 58m
American Airlines
Wed 3/43:51 pm
SJU
-
ABE
1 stop8h 40m
American Airlines
Deal found 2/2$327
This Delta deal was found by Cheapflights users on 2/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:56 pm
ABE
-
SJU
1 stop10h 19m
Delta
Wed 3/186:15 am
SJU
-
ABE
1 stop11h 02m
Delta
Deal found 2/2$360
This American Airlines deal was found by Cheapflights users on 2/3. 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 2/177:41 am
ABE
-
SJU
1 stop8h 11m
American Airlines
Thu 2/265:18 pm
SJU
-
ABE
1 stop8h 11m
American Airlines
Deal found 2/3$367
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/88:30 am
ABE
-
SJU
1 stop29h 56m
Multiple Airlines
Thu 2/126:00 am
SJU
-
ABE
1 stop15h 15m
Multiple Airlines
Deal found 2/1$373
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 2/81:02 pm
ABE
-
SJU
1 stop6h 48m
American Airlines
Thu 2/125:18 pm
SJU
-
ABE
1 stop8h 11m
American Airlines
Deal found 2/1$378
This American Airlines deal was found by Cheapflights users on 2/2. 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 3/247:41 am
ABE
-
SJU
1 stop8h 11m
American Airlines
Tue 3/314:42 pm
SJU
-
ABE
1 stop6h 49m
American Airlines
Deal found 2/2$392
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/82:12 pm
ABE
-
SJU
1 stop7h 57m
Multiple Airlines
Thu 3/127:00 am
SJU
-
ABE
1 stop9h 01m
Multiple Airlines
Deal found 2/3$399
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Mon 4/61:38 pm
ABE
-
SJU
1 stop22h 11m
Multiple Airlines
Thu 4/97:00 am
SJU
-
ABE
1 stop7h 56m
Multiple Airlines
Deal found 2/3$404
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 5/81:41 pm
ABE
-
SJU
1 stop24h 50m
Multiple Airlines
Mon 5/116:00 am
SJU
-
ABE
1 stop14h 10m
Multiple Airlines
Deal found 2/2$426

Find flight deals from Lehigh Valley to San Juan

Keep the following information in mind while searching for Lehigh Valley to San Juan flight deals. Data was last updated February 4, 2026.

Round-trip from

$319
(Delta)

One-way from

$142
(Kiwi.com)

Popular in

September

Cheapest in

November

Average price

$411
From Lehigh Valley to San Juan
One-way flight from Lehigh Valley to San Juan
Highest demand for flights based on searches. 33% potential increase in price ($270 potential increase over avg. RT price).
Cheapest flight prices on average. 19% potential price decrease ($86 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lehigh Valley to San Juan 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 February 4, 2026.
Use the filters below to find and compare flights from Lehigh Valley to San Juan that are best for you.

Fly from

Lehigh Valley

Fly to

San Juan

Route

Depart

Return

Price

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 2/25

12:50 pm-8:39 pm

1 stop6h 49m

San Juan Luis Munoz Marin Intl

Wed 3/4

5:42 pm-11:31 pm

1 stop6h 49m

$327

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 2/17

7:41 am-4:52 pm

1 stop8h 11m

San Juan Luis Munoz Marin Intl

Thu 2/26

5:18 pm-12:29 am

1 stop8h 11m

$367

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 4/6

1:38 pm-11:49 am

1 stop22h 11m

San Juan Luis Munoz Marin Intl

Thu 4/9

7:00 am-2:56 pm

1 stop7h 56m

$404

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 2/14

2:00 pm-11:58 pm

1 stop8h 58m

San Juan Luis Munoz Marin Intl

Sat 2/21

6:15 am-5:12 pm

1 stop11h 57m

$444

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sat 4/4

8:05 pm-11:49 am

1 stop15h 44m

San Juan Luis Munoz Marin Intl

Thu 4/9

7:00 am-2:56 pm

1 stop7h 56m

$482

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Thu 4/2

9:00 am-9:59 pm

1 stop12h 59m

San Juan Luis Munoz Marin Intl

Thu 4/9

7:00 am-2:56 pm

1 stop7h 56m

$486

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Mon 3/16

2:05 pm-11:49 am

1 stop21h 44m

San Juan Luis Munoz Marin Intl

Fri 3/20

7:54 pm-2:45 pm

1 stop18h 51m

$492

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Sun 2/15

2:14 pm-12:54 am

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Wed 2/18

5:45 pm-8:15 pm

2 stops27h 30m

$499

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Tue 2/17

6:28 am-2:32 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Wed 2/18

3:55 pm-10:49 pm

1 stop7h 54m

$505

AllentownSan Juan

ABE - SJU

ABESJU

Allentown-Bethlehem

Wed 2/25

10:36 am-12:36 am

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Wed 3/4

8:30 am-9:56 am

1 stop26h 26m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 21 results
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Best time to book a flight from Lehigh Valley to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Lehigh Valley 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 Lehigh Valley to San Juan

What is the cheapest month to book a flight from Lehigh Valley to San Juan?

Currently, March is the cheapest month in which you can book a flight from Lehigh Valley to San Juan (average of $78). Flying from Lehigh Valley to San Juan in April is currently the most expensive (average of $338). 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.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated February 4, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Lehigh Valley to San Juan have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Lehigh Valley to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Lehigh Valley to San Juan?

    Airlines like American Airlines and Delta fly from Lehigh Valley to San Juan in about 6h 49m. The time it takes to get you to your destination can typically vary by up to 2h 09m. There are 1633 mi between Lehigh Valley and San Juan. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Lehigh Valley to San Juan that include hotel bookings?

    Yes. In addition to deals on Lehigh Valley to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lehigh Valley to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lehigh Valley to San Juan.

  • Can I find deals for business class flights from Lehigh Valley to San Juan?

    Yes. Cheapflights offers flight deals from Lehigh Valley to San Juan 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 Lehigh Valley to San Juan?

    Currently, March is the cheapest month in which you can book a flight from Lehigh Valley to San Juan (average of $78). Flying from Lehigh Valley to San Juan in April is currently the most expensive (average of $338). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lehigh Valley to San Juan

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

Top 4 airlines flying from Lehigh Valley to San Juan

Discover the top 4 airlines that operate flights from Lehigh Valley to San Juan. 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$248FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$161Average$462FlexibilityNo cancel feeOn-time69%
DeltaCheapest$182Average$511FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$249Average$489FlexibilityNo cancel feeOn-time71%

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