$116 Cheap Flights from San Juan (SJU) to Allentown (ABE)

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Find available prices by choosing your travel dates.

Cheap Flights from San Juan to Allentown (SJU-ABE)

Prices were available within the past 7 days and start at $116 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
United
American Airlines
American Airlines
Delta
American Airlines
American Airlines
United
United
United
Flights from San Juan (SJU) to Allentown (ABE)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Lehigh Valley Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$236
Distance
1633 mi

San Juan to Allentown Flights

The cheapest times to fly from San Juan 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 Juan to Allentown are during the month of January. You can find some of the cheapest flights from San Juan to Allentown with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from San Juan 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 Juan 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 Juan to Allentown in 2025. You can also book with separate airlines for your outbound and return journeys, from $116 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 Juan 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 Juan 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from SJU to ABE last minute?
Booking your flight from Luis Munoz Marin Intl. Airport (SJU) to ABE last minute could save you money if you’re lucky to find a terrific deal. However, fares don’t typically get cheaper closer to the departure date. If you hold off, flights could also be booked out or the best seats taken (we hope you like the middle seat!). If you want to be on the safe side, book well in advance of the date you want to leave. Note that some of the biggest deals can be found up to a year in advance. If your favorite carrier hasn’t released tickets yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Allentown from San Juan?
Lehigh Valley Intl. Airport (ABE), Scranton Intl. Airport (AVP) and Philadelphia Intl. Airport (PHL) are your options when traveling from San Juan to Allentown. About 4 mi northeast of downtown Allentown, Lehigh Valley Intl. Airport (ABE) is the city’s principal gateway. Keep in mind factors such as flight departure and arrival times and the distance to your hotel before deciding on an airport. Dorney Park & Wildwater Kingdom and Lehigh University are two fantastic attractions to put on your itinerary when you get to your destination.
Can I change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Lehigh Valley Intl. Airport (ABE)?
Make changes quickly to your Luis Munoz Marin Intl. Airport (SJU) to Lehigh Valley International Airport flight via the Expedia Trips portal. But before doing so, review the rules in your itinerary to see what the carrier will allow you to do and if any charges apply. Some airlines have a change fee per person, on top of any difference in prices. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also browse our Customer Service portal for more handy information and to connect with our Virtual Agent.

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*Available to One Key members.