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$108+ Cheap flights from Louisville to Allentown (SDF - ABE)

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ABE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Louisville to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Allentown (ABE). 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 June 12, 2025.

Round-trip from

$246
(Mytrip)

One-way from

$108
(Mytrip)

Popular in

December

Cheapest in

July

Average price

$502
From Louisville Intl to Allentown-Bethlehem
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One-way flight from Louisville Intl to Allentown-Bethlehem
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Highest demand for flights based on searches. 20% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Louisville to Allentown

Cheapest flights from Louisville to Allentown
Explore the most affordable flight options available from Louisville to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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.
Wed 7/99:46 amSDF - ABE
1 stop25h 06mAllegiant Air
Fri 7/111:01 pmABE - SDF
1 stop25h 45mAllegiant Air
Deal found 6/11$246
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 8/2310:45 amSDF - ABE
1 stop6h 49mDelta
Sat 8/306:14 pmABE - SDF
1 stop5h 42mDelta
Deal found 6/11$249
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Wed 7/99:46 amSDF - ABE
1 stop25h 06mMultiple Airlines
Fri 7/111:01 pmABE - SDF
2 stops30h 27mMultiple Airlines
Deal found 6/11$261
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 11/99:00 amSDF - ABE
1 stop7h 47mUnited Airlines
Wed 11/125:22 pmABE - SDF
1 stop4h 47mUnited Airlines
Deal found 6/11$768
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/2010:36 amSDF - ABE
2 stops8h 56mAmerican Airlines
Sun 6/228:02 pmABE - SDF
1 stop3h 57mAmerican Airlines
Deal found 6/10$1,090

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Allentown 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 June 12, 2025.
Use the filters below to find and compare flights from Louisville to Allentown that are best for you.

Fly from

Louisville

Fly to

Allentown

Route

Depart

Return

Price

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 7/9

9:46 am-10:52 am

1 stop25h 06m

Allentown-Bethlehem

Fri 7/11

1:01 pm-2:46 pm

1 stop25h 45m

$246

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 8/23

10:45 am-5:34 pm

1 stop6h 49m

Allentown-Bethlehem

Sat 8/30

6:14 pm-11:56 pm

1 stop5h 42m

$249

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 7/9

9:46 am-10:52 am

1 stop25h 06m

Allentown-Bethlehem

Fri 7/11

1:01 pm-7:28 pm

2 stops30h 27m

$261

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sun 11/9

9:00 am-4:47 pm

1 stop7h 47m

Allentown-Bethlehem

Wed 11/12

5:22 pm-10:09 pm

1 stop4h 47m

$768

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 7/9

8:13 pm-10:52 am

1 stop14h 39m

$108

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Tue 7/8

6:03 pm-9:11 pm

1 stop27h 08m

$124

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 7/17

12:50 pm-5:34 pm

1 stop4h 44m

$279

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Tue 7/8

10:43 am-7:33 pm

2 stops8h 50m

$513

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 7/17

6:00 am-5:00 pm

2 stops11h 00m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Louisville to Allentown

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

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

Currently, February is the cheapest month in which you can book a flight from Louisville to Allentown (average of $292). Flying from Louisville to Allentown in December is currently the most expensive (average of $395). 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 SDF to ABE?

Find hourly flight availability from Louisville to Allentown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Louisville to Allentown at noon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

Rainfall in Allentown by month

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

In terms of precipitation, rainfall in Allentown ranges from 2.7 - 5.0 inches per month. July is typically the wettest month, when rainfall can reach 5.0 in. February is typically the driest time to visit Allentown when rainfall is around 2.7 in.

Temperature in Allentown by month

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

If weather is an important factor for your trip to Allentown, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Allentown. 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 Louisville to Allentown round-trip?

    Allegiant Air, at $246, was found to be the cheapest airline from Louisville to Allentown.Alternate airlines to your destination round-trip include Delta and United Airlines. Allegiant Air is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Louisville to Allentown one-way?

    The cheapest airlines for a one-way flight from Louisville to Allentown are Allegiant Air ($124), Delta ($279), and American Airlines ($513).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Allentown 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 Louisville to Allentown?

    Currently, February is the cheapest month in which you can book a flight from Louisville to Allentown (average of $292). Flying from Louisville to Allentown in December is currently the most expensive (average of $395). 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

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Other flights to Allentown

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Top 3 airlines flying from Louisville to Allentown

Discover the top 3 airlines that operate flights from Louisville to Allentown. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$203Average$265FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$223Average$397FlexibilityNo cancel feeOn-time69%
DeltaCheapest$238Average$318FlexibilityNo cancel feeOn-timeN/A

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