What airlines fly to Allentown?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Allentown from Louisville according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 7 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Louisville Intl to Allentown-Bethlehem?

Delta and United Airlines are the most popular carriers operating from Louisville Intl to Allentown-Bethlehem

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?

There are 2 operators available for flights from Louisville Intl Airport to Allentown-Bethlehem Airport as of April 2026.

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.

$279 Cheap Flights from Louisville to Allentown in 2026

Q: What is the typical price of a round-trip flight between Louisville and Allentown?

Prices are currently low for flights on this route. Typical prices usually range from $453 to $295. The lowest price recently found on this route was $329.

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Louisville to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:36 pm - 11:00 pm

SDF

ABE

5h 24m

1 stop

6:33 am - 12:05 pm

ABE

SDF

5h 32m

1 stop

$329Delta

Fri, May 1 - Sun, May 3

7:05 am - 12:12 pm

SDF

ABE

5h 07m

1 stop

5:59 pm - 11:59 pm

ABE

SDF

6h 00m

1 stop

$339Delta

Sat, Apr 18 - Wed, Apr 22

10:33 am - 8:10 pm

SDF

ABE

9h 37m

1 stop

7:30 am - 10:26 am

ABE

SDF

26h 56m

1 stop

$354Multiple Airlines

Mon, May 4 - Thu, May 7

7:05 am - 12:12 pm

SDF

ABE

5h 07m

1 stop

5:59 pm - 11:59 pm

ABE

SDF

6h 00m

1 stop

$389Delta

Thu, Apr 23 - Sat, Apr 25

10:33 am - 8:10 pm

SDF

ABE

9h 37m

1 stop

7:56 pm - 8:36 am

ABE

SDF

36h 40m

2 stops

$410Multiple Airlines

Mon, May 4 - Thu, May 7

7:05 am - 12:27 pm

SDF

ABE

5h 22m

1 stop

6:20 am - 11:53 am

ABE

SDF

5h 33m

1 stop

$424Delta

Thu, Jun 25 - Sun, Jun 28

3:36 pm - 8:58 pm

SDF

ABE

5h 22m

1 stop

2:25 pm - 8:17 pm

ABE

SDF

5h 52m

1 stop

$557United Airlines

Tue, May 5 - Thu, May 7

5:00 am - 9:48 am

SDF

ABE

4h 48m

1 stop

6:15 am - 7:42 pm

ABE

SDF

13h 27m

2 stops

$600United Airlines

Thu, Apr 23 - Sat, Apr 25

3:30 pm - 1:38 pm

SDF

ABE

22h 08m

2 stops

6:15 am - 1:22 pm

ABE

SDF

7h 07m

1 stop

$608United Airlines

Fri, May 8 - Sun, May 10

9:55 am - 9:48 am

SDF

ABE

23h 53m

2 stops

5:43 pm - 10:30 pm

ABE

SDF

4h 47m

1 stop

$625United Airlines

Sat, Apr 18 - Wed, Apr 22

United Airlines flights from Louisville to Allentown

Our best United Airlines deals on Louisville to Allentown flight tickets

United Airlines

May 5

SDF3:36 pmLouisville Intl

5h 22m

1 stop

ABE8:58 pmAllentown-Bethlehem

May 7

ABE2:25 pmAllentown-Bethlehem

5h 52m

1 stop

SDF8:17 pmLouisville Intl

$557

United Airlines

Apr 23

SDF5:00 amLouisville Intl

4h 48m

1 stop

ABE9:48 amAllentown-Bethlehem

Apr 25

ABE6:15 amAllentown-Bethlehem

13h 27m

2 stops

SDF7:42 pmLouisville Intl

$600

United Airlines

May 8

SDF3:30 pmLouisville Intl

22h 08m

2 stops

ABE1:38 pmAllentown-Bethlehem

May 10

ABE6:15 amAllentown-Bethlehem

7h 07m

1 stop

SDF1:22 pmLouisville Intl

$608

American Airlines flights from Louisville to Allentown

Our best American Airlines deals on Louisville to Allentown flight tickets

American Airlines

May 5

SDF4:27 pmLouisville Intl

7h 01m

2 stops

ABE11:28 pmAllentown-Bethlehem

May 7

ABE12:00 pmAllentown-Bethlehem

7h 02m

1 stop

SDF7:02 pmLouisville Intl

$1,120

American Airlines

May 4

SDF4:25 pmLouisville Intl

7h 57m

2 stops

ABE12:22 amAllentown-Bethlehem

May 7

ABE6:04 amAllentown-Bethlehem

9h 53m

2 stops

SDF3:57 pmLouisville Intl

$1,139

American Airlines

Apr 15

SDF6:31 amLouisville Intl

4h 56m

1 stop

ABE11:27 amAllentown-Bethlehem

Apr 17

ABE6:04 amAllentown-Bethlehem

9h 53m

2 stops

SDF3:57 pmLouisville Intl

$1,189

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 5/1

5:36 pm-11:00 pm

1 stop5h 24m

Allentown-Bethlehem

Sun 5/3

6:33 am-12:05 pm

1 stop5h 32m

$329

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 4/18

7:05 am-12:12 pm

1 stop5h 07m

Allentown-Bethlehem

Wed 4/22

5:59 pm-11:59 pm

1 stop6h 00m

$339

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Mon 5/4

10:33 am-8:10 pm

1 stop9h 37m

Allentown-Bethlehem

Thu 5/7

7:30 am-10:26 am

1 stop26h 56m

$354

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 4/23

7:05 am-12:12 pm

1 stop5h 07m

Allentown-Bethlehem

Sat 4/25

5:59 pm-11:59 pm

1 stop6h 00m

$389

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Mon 5/4

10:33 am-8:10 pm

1 stop9h 37m

Allentown-Bethlehem

Thu 5/7

7:56 pm-8:36 am

2 stops36h 40m

$410

Quickest round-trip

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 6/25

7:05 am-12:27 pm

1 stop5h 22m

Allentown-Bethlehem

Sun 6/28

6:20 am-11:53 am

1 stop5h 33m

$424

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Tue 5/5

3:36 pm-8:58 pm

1 stop5h 22m

Allentown-Bethlehem

Thu 5/7

2:25 pm-8:17 pm

1 stop5h 52m

$557

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 4/23

5:00 am-9:48 am

1 stop4h 48m

Allentown-Bethlehem

Sat 4/25

6:15 am-7:42 pm

2 stops13h 27m

$600

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 5/8

3:30 pm-1:38 pm

2 stops22h 08m

Allentown-Bethlehem

Sun 5/10

6:15 am-1:22 pm

1 stop7h 07m

$608

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 4/18

9:55 am-9:48 am

2 stops23h 53m

Allentown-Bethlehem

Wed 4/22

5:43 pm-10:30 pm

1 stop4h 47m

$625

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

Prices

Airlines

What is the typical price of a round-trip flight between Louisville and Allentown?

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

Fastest flight time	4h 23m
Direct flights	None

The fastest flight from Louisville to Allentown takes 4h 23m

There are no direct flights from Louisville to Allentown. There are no popular flight routes from Louisville to Allentown.

Search flight deals

Frequently asked questions about flying from Louisville to Allentown

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 23m, 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?
There are 2 operators available for flights from Louisville Intl Airport to Allentown-Bethlehem Airport as of April 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Louisville to Allentown is United Airlines, representing 59% of all bookings. The subsequent popular airline is Delta at 41%.

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
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 8,386 reviews		Search Delta flights
United Airlines	PriceFrom $273	Free Cancellation	Rating 7.4 9,545 reviews		Search United Airlines flights

Lehighton

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.