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

United Airlines is the most popular carrier operating from Louisville Intl to Allentown-Bethlehem

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 35% 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.

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 February 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.

$319 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 $361 to $883. The lowest price recently found on this route was $319.

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Find the cheapest flights from Louisville to New York

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:33 am - 12:05 pm

SDF

ABE

6h 32m

1 stop

5:58 pm - 11:58 pm

ABE

SDF

6h 00m

1 stop

$319Delta

Sat, Feb 28 - Wed, Mar 4

6:00 am - 12:16 pm

SDF

ABE

6h 16m

1 stop

5:58 pm - 10:43 pm

ABE

SDF

4h 45m

1 stop

$343Delta

Wed, Apr 1 - Sun, Apr 5

6:00 am - 12:16 pm

SDF

ABE

6h 16m

1 stop

6:32 am - 11:58 am

ABE

SDF

5h 26m

1 stop

$402Delta

Thu, Apr 2 - Sun, Apr 5

7:00 am - 12:10 pm

SDF

ABE

5h 10m

1 stop

6:30 am - 11:36 am

ABE

SDF

5h 06m

1 stop

$437Delta

Wed, Jul 15 - Sun, Jul 19

12:00 pm - 10:30 pm

SDF

ABE

34h 30m

2 stops

9:00 am - 10:24 am

ABE

SDF

25h 24m

1 stop

$533Multiple Airlines

Sat, Feb 28 - Wed, Mar 4

10:00 am - 5:03 pm

SDF

ABE

7h 03m

1 stop

6:15 am - 1:17 pm

ABE

SDF

7h 02m

1 stop

$536United Airlines

Wed, Apr 1 - Sun, Apr 5

10:00 am - 5:03 pm

SDF

ABE

7h 03m

1 stop

6:15 am - 1:17 pm

ABE

SDF

7h 02m

1 stop

$640United Airlines

Thu, Apr 2 - Sun, Apr 5

12:16 pm - 12:27 pm

SDF

ABE

24h 11m

2 stops

6:00 am - 2:33 pm

ABE

SDF

8h 33m

1 stop

$659Multiple Airlines

Wed, Jul 15 - Sun, Jul 19

7:52 pm - 12:22 am

SDF

ABE

4h 30m

1 stop

12:00 pm - 7:02 pm

ABE

SDF

7h 02m

1 stop

$677American Airlines

Fri, Apr 10 - Sun, Apr 12

5:00 am - 9:48 am

SDF

ABE

4h 48m

1 stop

5:38 pm - 9:59 pm

ABE

SDF

28h 21m

2 stops

$813United Airlines

Fri, Apr 10 - Sun, Apr 12

Delta flights from Louisville to Allentown

Our best Delta deals on Louisville to Allentown flight tickets

Delta

Feb 28

SDF5:33 amLouisville Intl

6h 32m

1 stop

ABE12:05 pmAllentown-Bethlehem

Mar 4

ABE5:58 pmAllentown-Bethlehem

6h 00m

1 stop

SDF11:58 pmLouisville Intl

$319

Delta

Apr 1

SDF6:00 amLouisville Intl

6h 16m

1 stop

ABE12:16 pmAllentown-Bethlehem

Apr 5

ABE5:58 pmAllentown-Bethlehem

4h 45m

1 stop

SDF10:43 pmLouisville Intl

$343

Delta

Apr 2

SDF6:00 amLouisville Intl

6h 16m

1 stop

ABE12:16 pmAllentown-Bethlehem

Apr 5

ABE6:32 amAllentown-Bethlehem

5h 26m

1 stop

SDF11:58 amLouisville Intl

$402

United Airlines flights from Louisville to Allentown

Our best United Airlines deals on Louisville to Allentown flight tickets

United Airlines

Apr 1

SDF10:00 amLouisville Intl

7h 03m

1 stop

ABE5:03 pmAllentown-Bethlehem

Apr 5

ABE6:15 amAllentown-Bethlehem

7h 02m

1 stop

SDF1:17 pmLouisville Intl

$536

United Airlines

Apr 2

SDF10:00 amLouisville Intl

7h 03m

1 stop

ABE5:03 pmAllentown-Bethlehem

Apr 5

ABE6:15 amAllentown-Bethlehem

7h 02m

1 stop

SDF1:17 pmLouisville Intl

$640

United Airlines

Feb 25

SDF5:35 amLouisville Intl

4h 26m

1 stop

ABE10:01 amAllentown-Bethlehem

Feb 27

ABE5:23 pmAllentown-Bethlehem

26h 19m

2 stops

SDF7:42 pmLouisville Intl

$699

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 2/28

5:33 am-12:05 pm

1 stop6h 32m

Allentown-Bethlehem

Wed 3/4

5:58 pm-11:58 pm

1 stop6h 00m

$319

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 4/1

6:00 am-12:16 pm

1 stop6h 16m

Allentown-Bethlehem

Sun 4/5

5:58 pm-10:43 pm

1 stop4h 45m

$343

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 4/2

6:00 am-12:16 pm

1 stop6h 16m

Allentown-Bethlehem

Sun 4/5

6:32 am-11:58 am

1 stop5h 26m

$402

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 7/15

7:00 am-12:10 pm

1 stop5h 10m

Allentown-Bethlehem

Sun 7/19

6:30 am-11:36 am

1 stop5h 06m

$437

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Sat 2/28

12:00 pm-10:30 pm

2 stops34h 30m

Allentown-Bethlehem

Wed 3/4

9:00 am-10:24 am

1 stop25h 24m

$533

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 4/1

10:00 am-5:03 pm

1 stop7h 03m

Allentown-Bethlehem

Sun 4/5

6:15 am-1:17 pm

1 stop7h 02m

$536

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Thu 4/2

10:00 am-5:03 pm

1 stop7h 03m

Allentown-Bethlehem

Sun 4/5

6:15 am-1:17 pm

1 stop7h 02m

$640

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 7/15

12:16 pm-12:27 pm

2 stops24h 11m

Allentown-Bethlehem

Sun 7/19

6:00 am-2:33 pm

1 stop8h 33m

$659

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 4/10

7:52 pm-12:22 am

1 stop4h 30m

Allentown-Bethlehem

Sun 4/12

12:00 pm-7:02 pm

1 stop7h 02m

$677

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 4/10

5:00 am-9:48 am

1 stop4h 48m

Allentown-Bethlehem

Sun 4/12

5:38 pm-9:59 pm

2 stops28h 21m

$813

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 48m
Direct flights	None

The fastest flight from Louisville to Allentown takes 4h 48m

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

Search flight deals

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 48m, 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 February 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 67% of all bookings. The subsequent popular airline is Delta at 33%.

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 8,206 reviews		Search Delta flights
United Airlines	PriceFrom $273	Free Cancellation	Rating 7.4 9,308 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.