Louisville

$140+ Cheap flights from Allentown to Louisville (ABE - SDF)

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SDF
May 17 — May 241
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Cheap flight deals from Allentown to Louisville

Cheapest flights from Allentown to Louisville
Explore the most affordable flight options available from Allentown to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/15. 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 7/1912:01 pm
ABE
-
SDF
1 stop20h 11m
Allegiant Air
Sun 7/263:18 pm
SDF
-
ABE
1 stop18h 23m
Allegiant Air
Deal found 4/15$275
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 7/1912:01 pm
ABE
-
SDF
1 stop20h 11m
Allegiant Air
Thu 7/233:18 pm
SDF
-
ABE
1 stop18h 23m
Allegiant Air
Deal found 4/15$278
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 7/1912:01 pm
ABE
-
SDF
1 stop20h 11m
Allegiant Air
Fri 7/249:02 am
SDF
-
ABE
1 stop23h 49m
Allegiant Air
Deal found 4/15$288
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 7/1912:01 pm
ABE
-
SDF
1 stop20h 11m
Allegiant Air
Sat 7/251:02 pm
SDF
-
ABE
1 stop7h 47m
Allegiant Air
Deal found 4/15$300
This Kiwi.com deal was found by Cheapflights users on 4/15. 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
-
SDF
1 stop19h 47m
Multiple Airlines
Fri 5/1510:33 am
SDF
-
ABE
1 stop9h 37m
Multiple Airlines
Deal found 4/15$301
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Wed 5/610:00 am
ABE
-
SDF
1 stop24h 18m
Multiple Airlines
Fri 5/810:33 am
SDF
-
ABE
1 stop9h 37m
Multiple Airlines
Deal found 4/15$304
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Wed 5/610:00 am
ABE
-
SDF
1 stop24h 18m
Multiple Airlines
Fri 5/1510:33 am
SDF
-
ABE
1 stop9h 37m
Multiple Airlines
Deal found 4/15$326
This Delta deal was found by Cheapflights users on 4/15. 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.
Fri 7/176:05 pm
ABE
-
SDF
1 stop6h 21m
Delta
Wed 7/227:05 am
SDF
-
ABE
1 stop5h 17m
Delta
Deal found 4/15$329
This Delta deal was found by Cheapflights users on 4/16. 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.
Thu 5/146:15 pm
ABE
-
SDF
1 stop6h 10m
Delta
Sat 5/233:29 pm
SDF
-
ABE
1 stop6h 49m
Delta
Deal found 4/16$330
This Delta deal was found by Cheapflights users on 4/15. 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.
Mon 5/45:59 pm
ABE
-
SDF
1 stop6h 00m
Delta
Tue 5/125:47 pm
SDF
-
ABE
1 stop4h 31m
Delta
Deal found 4/15$334
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Thu 4/307:30 am
ABE
-
SDF
1 stop26h 56m
Multiple Airlines
Mon 5/410:33 am
SDF
-
ABE
1 stop9h 37m
Multiple Airlines
Deal found 4/15$338
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Thu 5/77:30 am
ABE
-
SDF
1 stop26h 56m
Multiple Airlines
Fri 5/1510:33 am
SDF
-
ABE
1 stop9h 37m
Multiple Airlines
Deal found 4/15$339

Find flight deals from Allentown to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Kiwi.com)

One-way from

$140
(Kiwi.com)
Provider with most accurate pricing for Allentown-Bethlehem-Louisville Intl flight deals.
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Louisville Intl flights.
From Allentown-Bethlehem to Louisville Intl
One-way flight from Allentown-Bethlehem to Louisville Intl

Cheapflights Fare Finder

 
Customize your flight search to find flights from Allentown to Louisville 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 April 17, 2026.
Use the filters below to find and compare flights from Allentown to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Wed 5/6

5:59 pm-11:59 pm

1 stop6h 00m

Louisville Intl

Sat 5/9

6:00 am-12:19 pm

1 stop6h 19m

$329

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Wed 5/13

6:15 pm-12:25 am

1 stop6h 10m

Louisville Intl

Sat 5/23

3:29 pm-10:18 pm

1 stop6h 49m

$329

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Mon 5/11

6:15 pm-10:36 pm

1 stop4h 21m

Louisville Intl

Tue 6/9

4:40 pm-10:30 pm

1 stop5h 50m

$329

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Fri 5/8

6:15 pm-12:25 am

1 stop6h 10m

Louisville Intl

Tue 5/12

3:29 pm-10:18 pm

1 stop6h 49m

$329

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Thu 5/14

6:15 pm-12:25 am

1 stop6h 10m

Louisville Intl

Sat 5/23

3:29 pm-10:18 pm

1 stop6h 49m

$330

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Wed 5/6

6:15 am-2:07 pm

1 stop7h 52m

Louisville Intl

Thu 5/14

9:10 am-1:38 pm

1 stop4h 28m

$359

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Fri 9/4

5:40 pm-10:36 pm

1 stop4h 56m

Louisville Intl

Mon 9/14

5:45 pm-10:56 pm

1 stop5h 11m

$364

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Wed 5/13

6:15 pm-12:25 am

1 stop6h 10m

Louisville Intl

Thu 6/11

7:05 am-12:27 pm

1 stop5h 22m

$408
Quickest round-trip

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Thu 8/27

5:36 pm-10:22 pm

1 stop4h 46m

Louisville Intl

Mon 8/31

5:35 am-10:06 am

1 stop4h 31m

$454
Cheapest one-way

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Sun 7/12

2:52 pm-8:48 pm

1 stop29h 56m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Allentown to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Louisville in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Allentown-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Allentown-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Allentown to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Allentown 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.

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated April 17, 2026.
See what other customers who have flown with Delta and American Airlines from Allentown to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

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.

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

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.

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

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 Allentown to Louisville. 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 Allentown to Louisville?

    For as low as $329, Delta can have you in Louisville from Allentown in 6h. The distance between Allentown and Louisville is about 575 mi.

  • What are the cheapest airlines flying from Allentown to Louisville round-trip?

    Flying on Delta is currently your cheapest option to Louisville, with prices starting at $248. Another option worth looking into is American Airlines, starting at $306 round trip.

  • Can I find deals for flights from Allentown to Louisville that include hotel bookings?

    Yes. In addition to deals on Allentown to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Louisville.

  • Can I find deals for business class flights from Allentown to Louisville?

    Yes. Cheapflights offers flight deals from Allentown to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Elizabethtown
Corydon
Jeffersonville
Bardstown

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Alternative routes for Allentown to Louisville

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

Top 2 airlines flying from Allentown to Louisville

Discover the top 2 airlines that operate flights from Allentown to Louisville. 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 April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$376FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$548FlexibilityNo cancel feeOn-time71%

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