$249 Cheap Flights from Harrisburg (MDT) to Allentown (ABE)

View $249 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE)

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Cheap Flights from Harrisburg to Allentown (MDT-ABE)

Prices were available within the past 7 days and start at $249 for one-way flights and $439 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 24 - Wed, Oct 1
MDT
Harrisburg
ABE
Allentown
$439 Roundtrip, found 6 days ago
$439
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 24 from Harrisburg to Allentown, returning Wed, Oct 1, priced at $439 found 6 days ago
American Airlines
Sat, Sep 27 - Sun, Sep 28
MDT
Harrisburg
ABE
Allentown
$450 Roundtrip, found 6 days ago
$450
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 27 from Harrisburg to Allentown, returning Sun, Sep 28, priced at $450 found 6 days ago
American Airlines
Wed, Sep 24 - Fri, Oct 3
MDT
Harrisburg
ABE
Allentown
$459 Roundtrip, found 6 days ago
$459
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 24 from Harrisburg to Allentown, returning Fri, Oct 3, priced at $459 found 6 days ago
American Airlines
Sat, Sep 27 - Sun, Sep 28
MDT
Harrisburg
ABE
Allentown
$470 Roundtrip, found 6 days ago
$470
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 27 from Harrisburg to Allentown, returning Sun, Sep 28, priced at $470 found 6 days ago
American Airlines
Thu, Sep 25 - Fri, Oct 3
MDT
Harrisburg
ABE
Allentown
$478 Roundtrip, found 6 days ago
$478
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep 25 from Harrisburg to Allentown, returning Fri, Oct 3, priced at $478 found 6 days ago
American Airlines
Sat, Sep 27 - Sun, Sep 28
MDT
Harrisburg
ABE
Allentown
$481 Roundtrip, found 6 days ago
$481
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 27 from Harrisburg to Allentown, returning Sun, Sep 28, priced at $481 found 6 days ago
American Airlines
Sat, Sep 27 - Sun, Sep 28
MDT
Harrisburg
ABE
Allentown
$496 Roundtrip, found 6 days ago
$496
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 27 from Harrisburg to Allentown, returning Sun, Sep 28, priced at $496 found 6 days ago
American Airlines
Sat, Sep 27 - Sun, Sep 28
MDT
Harrisburg
ABE
Allentown
$508 Roundtrip, found 6 days ago
$508
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 27 from Harrisburg to Allentown, returning Sun, Sep 28, priced at $508 found 6 days ago
Delta
Sat, Sep 27 - Sun, Sep 28
MDT
Harrisburg
ABE
Allentown
$992 Roundtrip, found 6 days ago
$992
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 27 from Harrisburg to Allentown, returning Sun, Sep 28, priced at $992 found 6 days ago
United
Tue, Sep 2 - Fri, Sep 5
MDT
Harrisburg
ABE
Allentown
$1,183 Roundtrip, found 10 hours ago
$1,183
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Sep 2 from Harrisburg to Allentown, returning Fri, Sep 5, priced at $1,183 found 10 hours ago
Flights from Harrisburg (MDT) to Allentown (ABE)
Origin airport
Harrisburg Intl.
Destination airport
Lehigh Valley Intl.
Roundtrip price
$439
Distance
76 mi

Harrisburg to Allentown Flights

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

 

The best time to book a flight from Harrisburg to Allentown

Sunday is one of the best days to book for cheap flights from Harrisburg 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 Harrisburg 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 Harrisburg to Allentown in 2025. You can also book with separate airlines for your outbound and return journeys, from $249 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 Harrisburg 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 Harrisburg 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

How much does a flight from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE) cost?
Snag a cheap one-way flight from $249 or cheap return flight from $439 from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE)?
Planning your getaway for September can help you save, as it's the cheapest month for flights between MDT and ABE. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from MDT to ABE. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE)?
Direct flights from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MDT to ABE?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, such as the season 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 Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE)?
To reach Lehigh Valley Intl. Airport (ABE) on schedule, select a flight that leaves from Harrisburg Intl. Airport (MDT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Allentown from Harrisburg Intl. Airport (MDT)?
If you're boarding a direct flight from Harrisburg Intl. Airport (MDT) to Allentown, Philadelphia Intl. Airport (PHL) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE) last-minute?
Last-minute fares from MDT to ABE are typically more expensive. For the lowest rates, start looking for flights ahead of time. That being said, if you can play around with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a MDT to ABE flight and hotel package?
You'll generally save money by booking a MDT to ABE flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Lehigh Valley Intl. Airport (ABE)?
Typically, it's possible to reschedule or cancel your MDT to ABE flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.