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Cheap flights from Louisville to Allentown from $279

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Allentown departing on 8/23. 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

Delta Logo
7:10 am - 12:16 pmSDF-ABE
5h 06m1 stop
Delta Logo
6:14 pm - 11:56 pmABE-SDF
5h 42m1 stop
$279Delta
Find Deal
Sat, Aug 23 - Mon, Aug 25
United Airlines Logo
7:00 am - 11:58 amSDF-ABE
4h 58m1 stop
United Airlines Logo
1:00 pm - 8:28 pmABE-SDF
7h 28m1 stop
$370United Airlines
Find Deal
Thu, Aug 21 - Mon, Aug 25
Delta Logo
5:58 pm - 10:15 pmSDF-ABE
4h 17m1 stop
Delta Logo
6:00 pm - 11:59 pmABE-SDF
5h 59m1 stop
$374Delta
Find Deal
Sat, Oct 11 - Mon, Oct 13
Delta Logo
7:10 am - 12:16 pmSDF-ABE
5h 06m1 stop
Delta Logo
6:14 pm - 11:56 pmABE-SDF
5h 42m1 stop
$413Delta
Find Deal
Fri, Aug 22 - Mon, Aug 25
Delta Logo
6:00 pm - 10:39 pmSDF-ABE
4h 39m1 stop
Delta Logo
2:30 pm - 9:14 pmABE-SDF
6h 44m1 stop
$477Delta
Find Deal
Tue, Sep 2 - Thu, Sep 4
United Airlines Logo
7:00 am - 11:58 amSDF-ABE
4h 58m1 stop
United Airlines Logo
1:00 pm - 2:50 pmABE-SDF
25h 50m2 stops
$541United Airlines
Find Deal
Sat, Aug 23 - Mon, Aug 25
United Airlines Logo
3:35 pm - 11:58 amSDF-ABE
20h 23m2 stops
United Airlines Logo
1:00 pm - 8:28 pmABE-SDF
7h 28m1 stop
$643United Airlines
Find Deal
Fri, Aug 22 - Mon, Aug 25
United Airlines Logo
11:00 am - 9:41 pmSDF-ABE
10h 41m1 stop
United Airlines Logo
6:32 am - 10:29 pmABE-SDF
15h 57m1 stop
$646United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
American Airlines Logo
5:52 pm - 10:37 pmSDF-ABE
4h 45m1 stop
American Airlines Logo
6:00 am - 2:12 pmABE-SDF
8h 12m2 stops
$759American Airlines
Find Deal
Thu, Aug 21 - Mon, Aug 25
American Airlines Logo
9:44 am - 6:00 pmSDF-ABE
8h 16m2 stops
American Airlines Logo
2:56 pm - 11:13 pmABE-SDF
8h 17m2 stops
$823American Airlines
Find Deal
Fri, Aug 22 - Mon, Aug 25

Delta flights from Louisville to Allentown

Our best Delta deals on Louisville to Allentown flight tickets
Delta
Aug 23
SDF7:10 amLouisville Intl
5h 06m
1 stop
ABE12:16 pmAllentown-Bethlehem
Aug 25
ABE6:14 pmAllentown-Bethlehem
5h 42m
1 stop
SDF11:56 pmLouisville Intl
$279
Find similar
Delta
Aug 8
SDF5:53 pmLouisville Intl
4h 37m
1 stop
ABE10:30 pmAllentown-Bethlehem
Aug 9
ABE6:14 pmAllentown-Bethlehem
6h 18m
1 stop
SDF12:32 amLouisville Intl
$339
Find similar
Delta
Oct 11
SDF5:58 pmLouisville Intl
4h 17m
1 stop
ABE10:15 pmAllentown-Bethlehem
Oct 13
ABE6:00 pmAllentown-Bethlehem
5h 59m
1 stop
SDF11:59 pmLouisville Intl
$374
Find similar

United Airlines flights from Louisville to Allentown

Our best United Airlines deals on Louisville to Allentown flight tickets
United Airlines
Aug 21
SDF7:00 amLouisville Intl
4h 58m
1 stop
ABE11:58 amAllentown-Bethlehem
Aug 25
ABE1:00 pmAllentown-Bethlehem
7h 28m
1 stop
SDF8:28 pmLouisville Intl
$370
Find similar
United Airlines
Aug 23
SDF7:00 amLouisville Intl
4h 58m
1 stop
ABE11:58 amAllentown-Bethlehem
Aug 25
ABE1:00 pmAllentown-Bethlehem
25h 50m
2 stops
SDF2:50 pmLouisville Intl
$541
Find similar
United Airlines
Aug 22
SDF3:35 pmLouisville Intl
20h 23m
2 stops
ABE11:58 amAllentown-Bethlehem
Aug 25
ABE1:00 pmAllentown-Bethlehem
7h 28m
1 stop
SDF8:28 pmLouisville Intl
$643
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 August 7, 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 8/23

7:10 am-12:16 pm

1 stop5h 06m

Allentown-Bethlehem

Mon 8/25

6:14 pm-11:56 pm

1 stop5h 42m

$279

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 8/21

7:00 am-11:58 am

1 stop4h 58m

Allentown-Bethlehem

Mon 8/25

1:00 pm-8:28 pm

1 stop7h 28m

$370

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 10/11

5:58 pm-10:15 pm

1 stop4h 17m

Allentown-Bethlehem

Mon 10/13

6:00 pm-11:59 pm

1 stop5h 59m

$374

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 8/22

7:10 am-12:16 pm

1 stop5h 06m

Allentown-Bethlehem

Mon 8/25

6:14 pm-11:56 pm

1 stop5h 42m

$413

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Tue 9/2

6:00 pm-10:39 pm

1 stop4h 39m

Allentown-Bethlehem

Thu 9/4

2:30 pm-9:14 pm

1 stop6h 44m

$477

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 8/23

7:00 am-11:58 am

1 stop4h 58m

Allentown-Bethlehem

Mon 8/25

1:00 pm-2:50 pm

2 stops25h 50m

$541

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 8/22

3:35 pm-11:58 am

2 stops20h 23m

Allentown-Bethlehem

Mon 8/25

1:00 pm-8:28 pm

1 stop7h 28m

$643

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 11/14

11:00 am-9:41 pm

1 stop10h 41m

Allentown-Bethlehem

Sun 11/16

6:32 am-10:29 pm

1 stop15h 57m

$646

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 8/21

5:52 pm-10:37 pm

1 stop4h 45m

Allentown-Bethlehem

Mon 8/25

6:00 am-2:12 pm

2 stops8h 12m

$759

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 8/22

9:44 am-6:00 pm

2 stops8h 16m

Allentown-Bethlehem

Mon 8/25

2:56 pm-11:13 pm

2 stops8h 17m

$823

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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

Best Price Found

$279

Fastest flight time

4h 17m

Direct flights

None

Airports in Allentown

1 airport
The best one-way flight to Allentown from Louisville in the past 72 hours is $279. The best round-trip flight deal from Louisville to Allentown found on momondo in the last 72 hours is $279.
The fastest flight from Louisville to Allentown takes 4h 17m
There are no direct flights from Louisville to Allentown. Popular non-direct route for this connection is Louisville Intl Airport - Allentown-Bethlehem Airport.
There is 1 airport near Allentown: Allentown-Bethlehem (ABE)
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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 17m, 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
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $238Free CancellationRating
8.0
7,985 reviews
Search Delta flights
United AirlinesPriceFrom $273Free CancellationRating
7.4
8,917 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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