$210 Cheap Flights from Louisville (SDF) to Allentown (ABE)

View $210 flight on Thu, Feb 5, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE)

Cheap Flights from Louisville to Allentown (SDF-ABE)

Prices were available within the past 7 days and start at $210 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 15 - Tue, Nov 18
SDF
Louisville
ABE
Allentown
$249 Roundtrip, found 6 hours ago
$249
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, Nov 15 from Louisville to Allentown, returning Tue, Nov 18, priced at $249 found 6 hours ago
Delta
Sat, Nov 8 - Tue, Nov 18
SDF
Louisville
ABE
Allentown
$254 Roundtrip, just found
$254
Roundtrip
just found
Select Delta flight, departing Sat, Nov 8 from Louisville to Allentown, returning Tue, Nov 18, priced at $254 just found
Delta
Sat, Nov 8 - Tue, Nov 11
SDF
Louisville
ABE
Allentown
$259 Roundtrip, just found
$259
Roundtrip
just found
Select Delta flight, departing Sat, Nov 8 from Louisville to Allentown, returning Tue, Nov 11, priced at $259 just found
Delta
Fri, Nov 14 - Tue, Nov 18
SDF
Louisville
ABE
Allentown
$274 Roundtrip, found 6 hours ago
$274
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Nov 14 from Louisville to Allentown, returning Tue, Nov 18, priced at $274 found 6 hours ago
Delta
Mon, Oct 27 - Sat, Nov 8
SDF
Louisville
ABE
Allentown
$279 Roundtrip, found 4 days ago
$279
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Oct 27 from Louisville to Allentown, returning Sat, Nov 8, priced at $279 found 4 days ago
United
Thu, Oct 30 - Tue, Nov 4
SDF
Louisville
ABE
Allentown
$284 Roundtrip, found 18 hours ago
$284
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Oct 30 from Louisville to Allentown, returning Tue, Nov 4, priced at $284 found 18 hours ago
United
Fri, Oct 31 - Sat, Nov 1
SDF
Louisville
ABE
Allentown
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 31 from Louisville to Allentown, returning Sat, Nov 1, priced at $289 found 4 days ago
Delta
Mon, Oct 27 - Fri, Nov 7
SDF
Louisville
ABE
Allentown
$304 Roundtrip, found 4 days ago
$304
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Oct 27 from Louisville to Allentown, returning Fri, Nov 7, priced at $304 found 4 days ago
Delta
Wed, Nov 19 - Sat, Nov 22
SDF
Louisville
ABE
Allentown
$308 Roundtrip, found 1 day ago
$308
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Nov 19 from Louisville to Allentown, returning Sat, Nov 22, priced at $308 found 1 day ago
American Airlines
Mon, Nov 10 - Sat, Nov 15
SDF
Louisville
ABE
Allentown
$530 Roundtrip, found 18 hours ago
$530
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Mon, Nov 10 from Louisville to Allentown, returning Sat, Nov 15, priced at $530 found 18 hours ago

Find the cheapest month to fly from Louisville (SDF) to Allentown (ABE)

May is typically the cheapest month to fly

From $223 - $445 per traveler.

Alternative airports near Allentown

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lehigh Valley Intl. ABE. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $249
ABE
Lehigh Valley Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $249

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE) cost?
Grab a cheap one-way flight from $210 or cheap return flight from $249 from Louisville Intl. Airport (SDF) 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 Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE)?
November is the least expensive month to fly from SDF to ABE. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE)?
To find the cheapest airline that'll fly you from SDF to ABE, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE)?
You'll have to hop on a flight with a layover if you're traveling from Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from SDF to ABE?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE)?
To avoid possible delays on the Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE) route, aim to fly before 3 PM. Later flights have a 22% higher chance of being 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.
What airports do you fly into for Allentown from Louisville Intl. Airport (SDF)?
Philadelphia Intl. Airport (PHL) is the only airport in Allentown with direct flights from Louisville Intl. Airport (SDF). Consider your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE) last-minute?
Last-minute fares from SDF to ABE are usually more expensive. For the cheapest rates, start looking for flights as soon as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a SDF to ABE flight and hotel package?
Securing a SDF to ABE flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of stays and then add activities, flights and car rentals 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 Louisville Intl. Airport (SDF) to Lehigh Valley Intl. Airport (ABE)?
Typically, it's possible to reschedule or cancel your SDF to ABE flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Louisville Intl.
Destination airport
Lehigh Valley Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$248
Distance
575 mi

Book with confidence

Louisville to Allentown Flights

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

 

The best time to book a flight from Louisville to Allentown

Sunday is one of the best days to book for cheap flights from Louisville 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 Louisville 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 Louisville to Allentown in 2025. You can also book with separate airlines for your outbound and return journeys, from $210 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 Louisville 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 Louisville 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.

 

Louisville to Allentown Flights

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*Available to One Key members.