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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SDF
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

Popular in

December

Cheapest in

May

Average price

$424
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
Highest demand for flights based on searches. 13% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 25, 2025.

This Delta deal was found by Cheapflights users on 3/23. 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.
Sat 5/175:50 pmABE - SDF
1 stop6h 15mDelta
Sat 5/245:55 pmSDF - ABE
1 stop4h 39mDelta
Deal found 3/23$249
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Tue 4/12:51 pmABE - SDF
1 stop8h 07mMultiple Airlines
Thu 4/32:48 pmSDF - ABE
1 stop21h 00mMultiple Airlines
Deal found 3/24$262
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 4/255:25 pmABE - SDF
1 stop6h 48mAmerican Airlines
Thu 5/111:24 amSDF - ABE
1 stop5h 31mAmerican Airlines
Deal found 3/24$407
This United deal was found by Cheapflights users on 3/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/175:32 pmABE - SDF
1 stop4h 58mUnited Airlines
Sat 5/246:00 amSDF - ABE
2 stops15h 55mUnited Airlines
Deal found 3/23$531

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 March 25, 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

Sat 5/17

5:50 pm-12:05 am

1 stop6h 15m

Louisville Intl

Sat 5/24

5:55 pm-10:34 pm

1 stop4h 39m

$249

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Tue 4/1

2:51 pm-10:58 pm

1 stop8h 07m

Louisville Intl

Thu 4/3

2:48 pm-11:48 am

1 stop21h 00m

$262

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Fri 4/25

5:25 pm-12:13 am

1 stop6h 48m

Louisville Intl

Thu 5/1

11:24 am-4:55 pm

1 stop5h 31m

$407

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Sat 5/17

5:32 pm-10:30 pm

1 stop4h 58m

Louisville Intl

Sat 5/24

6:00 am-9:55 pm

2 stops15h 55m

$531

AllentownLouisville

ABE - SDF

ABESDF

Allentown-Bethlehem

Thu 4/17

5:21 pm-9:48 pm

1 stop4h 27m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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.

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, January is the cheapest month in which you can book a flight from Allentown to Louisville (average of $299). Flying from Allentown to Louisville in April is currently the most expensive (average of $369). 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 March 25, 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 39% on airfare.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 March 25, 2025.
Delta
8.0
Very good
7,890 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,890 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 $249. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $407 and $531, respectively. Users have found that Delta is 36% 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, January is the cheapest month in which you can book a flight from Allentown to Louisville (average of $299). Flying from Allentown to Louisville in April is currently the most expensive (average of $369). 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 Allentown?

Book flights to Allentown if you plan to visit one of these locations
Jeffersonville
Corydon
Elizabethtown
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
Dulles Intl to Nashville flights
Reagan-National to Nashville flights
Philadelphia to Nashville flights
LaGuardia to Cincinnati flights
John F Kennedy Intl to Cincinnati flights
Newark to Cincinnati flights
Newark to Louisville flights
LaGuardia to Louisville flights
LaGuardia to Knoxville flights
John F Kennedy Intl to Knoxville flights
Philadelphia to Cincinnati flights
John F Kennedy Intl to Louisville flights
Dulles Intl to Knoxville flights
Dulles Intl to Cincinnati flights
Dulles Intl to Louisville flights
Reagan-National to Cincinnati flights
Philadelphia to Knoxville flights
Newark to Lexington flights
Reagan-National to Louisville flights
Newark to Knoxville flights
Reagan-National to Knoxville flights
Philadelphia to Louisville flights
LaGuardia to Lexington flights
John F Kennedy Intl to Lexington flights
Pittsburgh to Nashville flights
Philadelphia to Lexington flights
Allentown to Nashville flights
Dulles Intl to Lexington flights
Harrisburg to Nashville flights
Reagan-National to Lexington flights
Scranton to Nashville flights
Harrisburg to Louisville flights
State College to Nashville flights
Pittsburgh to Knoxville flights
State College to Louisville flights
Allentown to Knoxville flights
Harrisburg to Knoxville flights
Harrisburg to Cincinnati flights
Scranton to Knoxville flights
Dulles Intl to Blountville flights
Pittsburgh to Cincinnati flights
State College to Knoxville flights
Allentown to Cincinnati flights
Pittsburgh to Lexington flights
Newark to Evansville flights
Allentown to Lexington 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$172Average$368FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$195Average$347FlexibilityNo cancel feeOn-time71%
DeltaCheapest$227Average$353FlexibilityNo cancel feeOn-timeN/A
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.