$145 Cheap Flights from San José (SJO) to Allentown (ABE)

View $145 flight on Fri, Feb 13, 2026Opens in a new window

Popular airlines from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE)

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Cheap Flights from San José to Allentown (SJO-ABE)

Prices were available within the past 7 days and start at $145 for one-way flights and $448 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$448 Roundtrip, found 3 hours ago
$448
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $448 found 3 hours ago
American Airlines
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$454 Roundtrip, found 3 hours ago
$454
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $454 found 3 hours ago
American Airlines
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$518 Roundtrip, found 3 hours ago
$518
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $518 found 3 hours ago
American Airlines
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$525 Roundtrip, found 3 hours ago
$525
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $525 found 3 hours ago
American Airlines
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$537 Roundtrip, found 3 hours ago
$537
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $537 found 3 hours ago
American Airlines
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$543 Roundtrip, found 3 hours ago
$543
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $543 found 3 hours ago
American Airlines
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$544 Roundtrip, found 3 hours ago
$544
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $544 found 3 hours ago
American Airlines
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$549 Roundtrip, found 3 hours ago
$549
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $549 found 3 hours ago
United
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$976 Roundtrip, found 3 hours ago
$976
Roundtrip
found 3 hours ago
Select United flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $976 found 3 hours ago
Delta
Mon, Dec 1 - Wed, Dec 3
SJO
San José
ABE
Allentown
$1,157 Roundtrip, found 3 hours ago
$1,157
Roundtrip
found 3 hours ago
Select Delta flight, departing Mon, Dec 1 from San José to Allentown, returning Wed, Dec 3, priced at $1,157 found 3 hours ago

Frequently asked questions

How much does a flight from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE) cost?
Grab a cheap one-way flight from $145 or cheap return flight from $448 from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE)?
Traveling in December is a great way to save, as it's the cheapest month for flights between SJO and ABE. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SJO to ABE. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE)?
Nonstop flights from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJO to ABE?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE)?
To avoid possible delays on the Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE) route, aim to fly before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE) last-minute?
Last-minute bookings from SJO to ABE are usually more expensive. For the best rates, start searching for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a SJO to ABE flight and hotel package?
Booking a SJO to ABE flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to Lehigh Valley Intl. Airport (ABE)?
You can usually reschedule or cancel your SJO to ABE flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Juan Santamaría Intl.
Destination airport
Lehigh Valley Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$447
Distance
2184 mi

Book with confidence

San José to Allentown Flights

The cheapest times to fly from San José to Allentown

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San José to Allentown are during the month of December. You can find some of the cheapest flights from San José to Allentown with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San José to Allentown

Sunday is one of the best days to book for cheap flights from San José to Allentown: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San José to Allentown

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San José to Allentown in 2025. You can also book with separate airlines for your outbound and return journeys, from $145 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San José to Allentown flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San José to Allentown airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San José to Allentown Flights

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*Available to One Key members.