HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$249+ Cheap flights from Allentown to Louisville (ABE - SDF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SDF
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Allentown to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 noviembre 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(Delta)

Popular in

June

Cheapest in

August

Average price

$353
Provider with most accurate pricing for Allentown-Bethlehem-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Louisville Intl flights.
Search Deals
From Allentown-Bethlehem to Louisville Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 noviembre 13, 2025.

This Mytrip deal was found by Cheapflights users on 11/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/237:37 pmABE - SDF
1 stop16h 42mAllegiant Air
lun. 12/19:09 amSDF - ABE
1 stop11h 08mAllegiant Air
Deal found 11/11$479
This Delta deal was found by Cheapflights users on 11/11. 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.
mié. 12/1012:54 pmABE - SDF
1 stop4h 22mDelta
jue. 12/117:15 amSDF - ABE
1 stop4h 59mDelta
Deal found 11/11$539
This Mytrip deal was found by Cheapflights users on 11/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/2310:00 amABE - SDF
2 stops22h 33mMultiple Airlines
lun. 12/19:09 amSDF - ABE
1 stop11h 08mMultiple Airlines
Deal found 11/11$542
This American Airlines deal was found by Cheapflights users on 11/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:10 pmABE - SDF
1 stop4h 36mAmerican Airlines
lun. 11/179:22 amSDF - ABE
1 stop6h 29mAmerican Airlines
Deal found 11/11$601
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/115:22 pmABE - SDF
1 stop5h 07mUnited Airlines
jue. 11/137:00 amSDF - ABE
1 stop4h 48mUnited Airlines
Deal found 11/11$751
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:22 pmABE - SDF
1 stop5h 07mUnited Airlines
lun. 11/179:55 amSDF - ABE
2 stops25h 53mUnited Airlines
Deal found 11/11$766

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 noviembre 13, 2025.
Use the filters below to find and compare flights from Allentown to Louisville that are best for you.

Fly from

Allentown

Fly to

Louisville

Route

Depart

Return

Price

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

vie. 1/9

5:58 pm-11:55 pm

1 stop5h 57m

Louisville Intl

dom. 1/11

6:00 am-12:07 pm

1 stop6h 07m

$249

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

vie. 1/23

5:58 pm-11:50 pm

1 stop5h 52m

Louisville Intl

dom. 1/25

7:00 am-12:07 pm

1 stop5h 07m

$249

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

mar. 1/13

5:58 pm-11:55 pm

1 stop5h 57m

Louisville Intl

jue. 1/15

7:05 am-12:07 pm

1 stop5h 02m

$477

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

dom. 11/23

7:37 pm-12:19 pm

1 stop16h 42m

Louisville Intl

lun. 12/1

9:09 am-8:17 pm

1 stop11h 08m

$479

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

vie. 1/9

4:57 pm-7:56 pm

2 stops26h 59m

Louisville Intl

dom. 1/11

5:35 am-10:41 am

1 stop5h 06m

$523

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

mié. 12/10

12:54 pm-5:16 pm

1 stop4h 22m

Louisville Intl

jue. 12/11

7:15 am-12:14 pm

1 stop4h 59m

$539

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

dom. 11/23

10:00 am-8:33 am

2 stops22h 33m

Louisville Intl

lun. 12/1

9:09 am-8:17 pm

1 stop11h 08m

$542

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

vie. 11/28

6:32 am-1:17 pm

1 stop6h 45m

$598

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Allentown to Louisville

What is the cheapest month to book a flight from Allentown to Louisville?

Currently, April is the cheapest month in which you can book a flight from Allentown to Louisville (average of $59). Flying from Allentown to Louisville in September is currently the most expensive (average of $164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ABE to SDF?

Find hourly flight availability from Allentown to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 13, 2025.

One of the essential ways to save on airfare from Allentown to Louisville is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 38% on airfare.

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 noviembre 13, 2025.
See what other customers who have flown with Delta, United Airlines, 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.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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.
United Airlines
7.4
Good
9,017 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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 $249, Delta can have you in Louisville from Allentown in 5h 57m. The distance between Allentown and Louisville is about 575 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on United Airlines is currently your cheapest option to Louisville, with prices starting at $124. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $248 and $306, respectively. Users have found that United Airlines is 69% cheaper than the other options available to this destination.

  • 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.

  • What is the cheapest month to book a flight from Allentown to Louisville?

    Currently, April is the cheapest month in which you can book a flight from Allentown to Louisville (average of $59). Flying from Allentown to Louisville in September is currently the most expensive (average of $164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Allentown to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Nashville flights
Newark to Nashville flights
LaGuardia to Nashville flights
John F Kennedy Intl to Cincinnati flights
Dulles Intl to Nashville flights
Philadelphia to Nashville flights
LaGuardia to Cincinnati flights
Reagan-National to Nashville flights
Newark to Cincinnati flights
Newark to Louisville flights
LaGuardia to Louisville flights
John F Kennedy Intl to Knoxville flights
Reagan-National to Cincinnati flights
LaGuardia to Knoxville flights
John F Kennedy Intl to Louisville flights
Dulles Intl to Cincinnati flights
Philadelphia to Cincinnati flights
Pittsburgh to Nashville flights
Dulles Intl to Louisville flights
Dulles Intl to Knoxville flights
Newark to Knoxville flights
Philadelphia to Knoxville flights
Reagan-National to Knoxville flights
Philadelphia to Louisville flights
Reagan-National to Louisville flights
Allentown to Nashville flights
Dulles Intl to Lexington flights
LaGuardia to Lexington flights
Newark to Lexington flights
John F Kennedy Intl to Lexington flights
Philadelphia to Lexington flights
Reagan-National to Lexington flights
Harrisburg to Nashville flights
John F Kennedy Intl to Blountville flights
Scranton to Nashville flights
Newark to Blountville flights
LaGuardia to Blountville flights
Pittsburgh to Knoxville flights
Allentown to Knoxville flights
Pittsburgh to Louisville flights
Harrisburg to Cincinnati flights
Scranton to Louisville flights
Pittsburgh to Lexington flights
Harrisburg to Lexington flights
Harrisburg to Knoxville flights
Dulles Intl to Evansville flights
Pittsburgh to Cincinnati flights
Newark to Evansville flights
State College to Louisville flights

Top 3 airlines flying from Allentown to Louisville

Discover the top 3 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 noviembre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$124Average$308FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$566FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.