What airlines fly to Allentown?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Allentown from Louisville according to our data. United Airlines is the first choice among our users, with 38% 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, United Airlines, and American 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 is 1 operator available for flights from Louisville Intl Airport to Allentown-Bethlehem Airport as of May 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.

$290 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 $484 to $370. The lowest price recently found on this route was $362.

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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.

9:23 pm - 7:57 pm

SDF

ABE

22h 34m

1 stop

9:32 am - 8:43 pm

ABE

SDF

11h 11m

1 stop

$362Allegiant Air

Thu, Jun 11 - Thu, Jun 25

5:15 am - 10:06 am

SDF

ABE

4h 51m

1 stop

2:30 pm - 10:09 pm

ABE

SDF

7h 39m

1 stop

$389United Airlines

Sat, Oct 24 - Wed, Oct 28

4:40 pm - 11:08 pm

SDF

ABE

6h 28m

1 stop

1:12 pm - 7:24 pm

ABE

SDF

6h 12m

1 stop

$451Delta

Mon, Jun 15 - Mon, Jun 22

8:49 pm - 10:29 pm

SDF

ABE

25h 40m

2 stops

9:32 am - 8:43 pm

ABE

SDF

11h 11m

1 stop

$476Multiple Airlines

Thu, Jun 11 - Thu, Jun 25

10:35 am - 3:57 pm

SDF

ABE

29h 22m

2 stops

9:30 am - 8:22 am

ABE

SDF

22h 52m

1 stop

$520Multiple Airlines

Mon, Jun 15 - Sun, Jun 21

11:00 am - 4:56 pm

SDF

ABE

5h 56m

1 stop

5:36 pm - 10:28 pm

ABE

SDF

4h 52m

1 stop

$532United Airlines

Sat, Aug 29 - Wed, Sep 2

10:36 am - 4:42 pm

SDF

ABE

6h 06m

1 stop

6:01 am - 10:36 am

ABE

SDF

4h 35m

1 stop

$573American Airlines

Thu, Jul 2 - Sun, Jul 5

1:56 pm - 9:39 am

SDF

ABE

19h 43m

2 stops

5:36 pm - 10:28 pm

ABE

SDF

4h 52m

1 stop

$590United Airlines

Sat, Aug 29 - Wed, Sep 2

8:08 pm - 12:21 am

SDF

ABE

4h 13m

1 stop

6:02 am - 10:35 am

ABE

SDF

4h 33m

1 stop

$598American Airlines

Mon, Jun 15 - Sun, Jun 21

10:05 am - 9:39 am

SDF

ABE

23h 34m

2 stops

5:36 pm - 10:28 pm

ABE

SDF

4h 52m

1 stop

$610United Airlines

Sat, Aug 29 - Wed, Sep 2

United Airlines flights from Louisville to Allentown

Our best United Airlines deals on Louisville to Allentown flight tickets

United Airlines

Oct 24

SDF5:15 amLouisville Intl

4h 51m

1 stop

ABE10:06 amAllentown-Bethlehem

Oct 28

ABE2:30 pmAllentown-Bethlehem

7h 39m

1 stop

SDF10:09 pmLouisville Intl

$389

United Airlines

Aug 29

SDF11:00 amLouisville Intl

5h 56m

1 stop

ABE4:56 pmAllentown-Bethlehem

Sep 2

ABE5:36 pmAllentown-Bethlehem

4h 52m

1 stop

SDF10:28 pmLouisville Intl

$532

United Airlines

Aug 29

SDF1:56 pmLouisville Intl

19h 43m

2 stops

ABE9:39 amAllentown-Bethlehem

Sep 2

ABE5:36 pmAllentown-Bethlehem

4h 52m

1 stop

SDF10:28 pmLouisville Intl

$590

Delta flights from Louisville to Allentown

Our best Delta deals on Louisville to Allentown flight tickets

Delta

May 21

SDF1:03 pmLouisville Intl

4h 25m

1 stop

ABE5:28 pmAllentown-Bethlehem

May 26

ABE6:15 pmAllentown-Bethlehem

6h 10m

1 stop

SDF12:25 amLouisville Intl

$432

Delta

May 21

SDF1:03 pmLouisville Intl

4h 25m

1 stop

ABE5:28 pmAllentown-Bethlehem

May 25

ABE6:15 pmAllentown-Bethlehem

6h 10m

1 stop

SDF12:25 amLouisville Intl

$447

Delta

Jun 15

SDF4:40 pmLouisville Intl

6h 28m

1 stop

ABE11:08 pmAllentown-Bethlehem

Jun 22

ABE1:12 pmAllentown-Bethlehem

6h 12m

1 stop

SDF7:24 pmLouisville Intl

$451

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 6/11

9:23 pm-7:57 pm

1 stop22h 34m

Allentown-Bethlehem

Thu 6/25

9:32 am-8:43 pm

1 stop11h 11m

$362

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 10/24

5:15 am-10:06 am

1 stop4h 51m

Allentown-Bethlehem

Wed 10/28

2:30 pm-10:09 pm

1 stop7h 39m

$389

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Mon 6/15

4:40 pm-11:08 pm

1 stop6h 28m

Allentown-Bethlehem

Mon 6/22

1:12 pm-7:24 pm

1 stop6h 12m

$451

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 6/11

8:49 pm-10:29 pm

2 stops25h 40m

Allentown-Bethlehem

Thu 6/25

9:32 am-8:43 pm

1 stop11h 11m

$476

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Mon 6/15

10:35 am-3:57 pm

2 stops29h 22m

Allentown-Bethlehem

Sun 6/21

9:30 am-8:22 am

1 stop22h 52m

$520

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 8/29

11:00 am-4:56 pm

1 stop5h 56m

Allentown-Bethlehem

Wed 9/2

5:36 pm-10:28 pm

1 stop4h 52m

$532

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 7/2

10:36 am-4:42 pm

1 stop6h 06m

Allentown-Bethlehem

Sun 7/5

6:01 am-10:36 am

1 stop4h 35m

$573

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 8/29

1:56 pm-9:39 am

2 stops19h 43m

Allentown-Bethlehem

Wed 9/2

5:36 pm-10:28 pm

1 stop4h 52m

$590

Quickest round-trip

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Mon 6/15

8:08 pm-12:21 am

1 stop4h 13m

Allentown-Bethlehem

Sun 6/21

6:02 am-10:35 am

1 stop4h 33m

$598

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 8/29

10:05 am-9:39 am

2 stops23h 34m

Allentown-Bethlehem

Wed 9/2

5:36 pm-10:28 pm

1 stop4h 52m

$610

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

What is the cheapest month to fly to Allentown?

The month of December is, on average, the cheapest month to fly to Allentown from Louisville, with most prices found around $0. If you aren’t able to travel to Allentown during the month of December, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $0.

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 25m
Direct flights	None

The fastest flight from Louisville to Allentown takes 4h 25m

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 25m, 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 is 1 operator available for flights from Louisville Intl Airport to Allentown-Bethlehem Airport as of May 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 100% of all bookings.

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
United Airlines	PriceFrom $323	Free Cancellation	Rating 7.4 9,737 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.