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Cheap flights from Louisville to Allentown from $113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Allentown departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:54 pm - 5:20 pmSDF-ABE
4h 26m1 stop
Delta Logo
6:00 pm - 11:59 pmABE-SDF
5h 59m1 stop
$254Delta
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Sat, Oct 25 - Sat, Dec 13
Delta Logo
7:09 am - 12:06 pmSDF-ABE
4h 57m1 stop
Delta Logo
6:00 pm - 10:34 pmABE-SDF
4h 34m1 stop
$269Delta
Find Deal
Wed, Nov 5 - Sat, Nov 8
Delta Logo
5:58 pm - 10:15 pmSDF-ABE
4h 17m1 stop
Delta Logo
6:00 pm - 12:01 amABE-SDF
6h 01m1 stop
$284Delta
Find Deal
Wed, Oct 22 - Sat, Oct 25
Allegiant Air Logo
8:45 pm - 8:12 pmSDF-ABE
23h 27m1 stop
Allegiant Air Logo
6:00 am - 1:48 pmABE-SDF
7h 48m1 stop
$321Allegiant Air
Find Deal
Thu, Oct 23 - Mon, Oct 27
United Airlines Logo
7:00 am - 11:52 amSDF-ABE
4h 52m1 stop
United Airlines Logo
6:30 am - 11:32 amABE-SDF
5h 02m1 stop
$364United Airlines
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Thu, Dec 4 - Sun, Dec 7
Multiple Airlines Logo
7:15 am - 10:44 pmSDF-ABE
15h 29m2 stops
Multiple Airlines Logo
6:00 am - 1:48 pmABE-SDF
7h 48m1 stop
$385Multiple Airlines
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Thu, Oct 23 - Mon, Oct 27
American Airlines Logo
12:43 pm - 10:53 pmSDF-ABE
10h 10m2 stops
American Airlines Logo
4:30 pm - 9:39 pmABE-SDF
5h 09m1 stop
$464American Airlines
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Sat, Nov 15 - Tue, Nov 18
United Airlines Logo
9:55 am - 10:38 amSDF-ABE
24h 43m2 stops
United Airlines Logo
5:28 pm - 10:30 pmABE-SDF
5h 02m1 stop
$532United Airlines
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Wed, Oct 22 - Sat, Oct 25
American Airlines Logo
7:24 pm - 11:29 pmSDF-ABE
4h 05m1 stop
American Airlines Logo
11:50 am - 6:21 pmABE-SDF
6h 31m1 stop
$549American Airlines
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Fri, Dec 26 - Tue, Dec 30
Multiple Airlines Logo
9:17 am - 3:24 pmSDF-ABE
6h 07m1 stop
Multiple Airlines Logo
4:05 pm - 11:45 pmABE-SDF
31h 40m2 stops
$766Multiple Airlines
Find Deal
Fri, Dec 26 - Tue, Dec 30

United Airlines flights from Louisville to Allentown

Our best United Airlines deals on Louisville to Allentown flight tickets
United Airlines
Dec 4
SDF7:00 amLouisville Intl
4h 52m
1 stop
ABE11:52 amAllentown-Bethlehem
Dec 7
ABE6:30 amAllentown-Bethlehem
5h 02m
1 stop
SDF11:32 amLouisville Intl
$364
Find similar
United Airlines
Oct 22
SDF9:55 amLouisville Intl
24h 43m
2 stops
ABE10:38 amAllentown-Bethlehem
Oct 25
ABE5:28 pmAllentown-Bethlehem
5h 02m
1 stop
SDF10:30 pmLouisville Intl
$532
Find similar
United Airlines
Nov 5
SDF7:10 amLouisville Intl
28h 38m
2 stops
ABE11:48 amAllentown-Bethlehem
Nov 11
ABE5:22 pmAllentown-Bethlehem
5h 07m
1 stop
SDF10:29 pmLouisville Intl
$603
Find similar

American Airlines flights from Louisville to Allentown

Our best American Airlines deals on Louisville to Allentown flight tickets
American Airlines
Nov 15
SDF12:43 pmLouisville Intl
10h 10m
2 stops
ABE10:53 pmAllentown-Bethlehem
Nov 18
ABE4:30 pmAllentown-Bethlehem
5h 09m
1 stop
SDF9:39 pmLouisville Intl
$464
Find similar
American Airlines
Dec 26
SDF7:24 pmLouisville Intl
4h 05m
1 stop
ABE11:29 pmAllentown-Bethlehem
Dec 30
ABE11:50 amAllentown-Bethlehem
6h 31m
1 stop
SDF6:21 pmLouisville Intl
$549
Find similar
American Airlines
Nov 15
SDF12:43 pmLouisville Intl
10h 10m
2 stops
ABE10:53 pmAllentown-Bethlehem
Nov 18
ABE1:46 pmAllentown-Bethlehem
9h 09m
2 stops
SDF10:55 pmLouisville Intl
$688
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 8, 2025.
Use the filters below to find and compare flights from Louisville to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 10/25

12:54 pm-5:20 pm

1 stop4h 26m

Allentown-Bethlehem

Sat 12/13

6:00 pm-11:59 pm

1 stop5h 59m

$254

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 11/5

7:09 am-12:06 pm

1 stop4h 57m

Allentown-Bethlehem

Sat 11/8

6:00 pm-10:34 pm

1 stop4h 34m

$269

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 10/22

5:58 pm-10:15 pm

1 stop4h 17m

Allentown-Bethlehem

Sat 10/25

6:00 pm-12:01 am

1 stop6h 01m

$284

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 10/23

8:45 pm-8:12 pm

1 stop23h 27m

Allentown-Bethlehem

Mon 10/27

6:00 am-1:48 pm

1 stop7h 48m

$321

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 12/4

7:00 am-11:52 am

1 stop4h 52m

Allentown-Bethlehem

Sun 12/7

6:30 am-11:32 am

1 stop5h 02m

$364

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 10/23

7:15 am-10:44 pm

2 stops15h 29m

Allentown-Bethlehem

Mon 10/27

6:00 am-1:48 pm

1 stop7h 48m

$385

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 11/15

12:43 pm-10:53 pm

2 stops10h 10m

Allentown-Bethlehem

Tue 11/18

4:30 pm-9:39 pm

1 stop5h 09m

$464

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 10/22

9:55 am-10:38 am

2 stops24h 43m

Allentown-Bethlehem

Sat 10/25

5:28 pm-10:30 pm

1 stop5h 02m

$532

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 12/26

7:24 pm-11:29 pm

1 stop4h 05m

Allentown-Bethlehem

Tue 12/30

11:50 am-6:21 pm

1 stop6h 31m

$549

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 12/26

9:17 am-3:24 pm

1 stop6h 07m

Allentown-Bethlehem

Tue 12/30

4:05 pm-11:45 pm

2 stops31h 40m

$766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Allentown from

How to get the cheapest flight ticket from Louisville to Allentown

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Allentown?

The cheapest day to depart from Louisville to Allentown is on a Friday when prices can be found for as low as $248. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Tuesday is $408.

What is the cheapest time of day to depart on your flight to Allentown?

In the afternoon is the cheapest time of day to fly from Louisville to Allentown when you can find flight prices for as low as $258. Flying to Allentown in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $297.

When to book flights from Louisville to Allentown

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Allentown according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Allentown (SDF to ABE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Allentown

Direct flights

None
There are no direct flights from Louisville to Allentown. There are no popular flight routes from Louisville to Allentown.
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  • How far is Louisville Intl to Allentown-Bethlehem by plane?

    A flight from Louisville Intl to Allentown-Bethlehem will travel around 571.7 mi. Flights usually cover this in 4h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Louisville Intl Airport to Allentown-Bethlehem Airport?

    Prices for flights from Louisville Intl Airport to Allentown-Bethlehem Airport are updated daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Allentown-Bethlehem Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Allentown-Bethlehem Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Allentown-Bethlehem Airport.

  • What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

    The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to Allentown?

Best airlines flying from Louisville to Allentown

Compare and see reviews for airlines that fly from Louisville to Allentown with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $238Free CancellationRating
7.9
7,969 reviews
Search Delta flights
United AirlinesPriceFrom $273Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Allentown?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from Louisville.

Can I find flights from Louisville to Allentown with flexible booking policies on momondo?

All flight searches from Louisville to Allentown on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to Allentown?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Louisville to Allentown.

I’m not ready to book a flight from Louisville to Allentown right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Allentown, momondo offers a useful price alert feature which will track prices for flights to Allentown from Louisville and alert you when they change.

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