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Lehigh Valley

$113+ Cheap flights from Louisville (SDF) to Lehigh Valley

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ABE
Nov 7 — Nov 141
Fri 11/7
Fri 11/14
1 adult, Economy
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Cheap flight deals from Louisville to Lehigh Valley

Keep the following information in mind while searching for Louisville to Lehigh Valley flight deals. Data was last updated October 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$254
(Delta)

One-way from

$113
(Kiwi.com)

Popular in

December

Cheapest in

July
Provider with most accurate pricing for Louisville Intl-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Allentown-Bethlehem flights.
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From Louisville Intl to Lehigh Valley
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One-way flight from Louisville Intl to Lehigh Valley
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Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
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Find flight deals from Louisville to Lehigh Valley

Cheapest flights from Louisville to Lehigh Valley
Explore the most affordable flight options available from Louisville to Lehigh Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2025.

This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:09 amSDF - ABE
1 stop4h 57mDelta
Sat 11/86:00 pmABE - SDF
1 stop4h 34mDelta
Deal found 10/6$269
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:09 pmSDF - ABE
1 stop7h 03mDelta
Sun 11/166:00 pmABE - SDF
1 stop6h 06mDelta
Deal found 10/6$334
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amSDF - ABE
1 stop4h 52mUnited Airlines
Sun 12/76:30 amABE - SDF
1 stop5h 02mUnited Airlines
Deal found 10/7$364
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:09 amSDF - ABE
1 stop4h 57mDelta
Sat 11/86:00 pmABE - SDF
1 stop4h 34mDelta
Deal found 10/6$429
This American Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:43 pmSDF - ABE
2 stops10h 10mAmerican Airlines
Tue 11/184:30 pmABE - SDF
1 stop5h 09mAmerican Airlines
Deal found 10/7$464
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:58 pmSDF - ABE
1 stop4h 17mDelta
Fri 11/76:00 pmABE - SDF
1 stop4h 34mDelta
Deal found 10/6$497
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:31 pmSDF - ABE
1 stop28h 01mMultiple Airlines
Fri 10/173:07 pmABE - SDF
1 stop21h 37mMultiple Airlines
Deal found 10/7$514
This Delta deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:59 pmSDF - ABE
1 stop4h 21mDelta
Sun 11/96:10 amABE - SDF
1 stop5h 57mDelta
Deal found 10/6$519
This United Airlines deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:10 amSDF - ABE
2 stops28h 38mUnited Airlines
Tue 11/115:22 pmABE - SDF
1 stop5h 07mUnited Airlines
Deal found 10/6$603

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Lehigh Valley 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, Cheapflights users made 2,558,603 searches. Data last updated October 8, 2025.
Use the filters below to find and compare flights from Louisville to Lehigh Valley that are best for you.

Fly from

Louisville

Fly to

Lehigh Valley

Route

Depart

Return

Price

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 11/5

12:59 pm-5:20 pm

1 stop4h 21m

Allentown-Bethlehem

Tue 11/11

6:00 pm-12:06 am

1 stop6h 06m

$269

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 2/18

5:45 pm-10:52 pm

1 stop5h 07m

Allentown-Bethlehem

Sat 2/21

6:30 am-1:50 pm

1 stop7h 20m

$269

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

Sat 11/15

6:00 am-12:16 pm

1 stop6h 16m

Allentown-Bethlehem

Tue 11/18

6:00 pm-12:06 am

1 stop6h 06m

$269

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Wed 3/25

5:45 pm-10:52 pm

1 stop5h 07m

Allentown-Bethlehem

Sat 3/28

5:40 pm-11:56 pm

1 stop6h 16m

$308

LouisvilleAllentown

SDF - ABE

SDFABE

Louisville Intl

Fri 11/14

3:09 pm-10:12 pm

1 stop7h 03m

Allentown-Bethlehem

Sun 11/16

6:00 pm-12:06 am

1 stop6h 06m

$334

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 11/6

7:09 am-12:06 pm

1 stop4h 57m

Allentown-Bethlehem

Sat 11/8

6:00 pm-10:34 pm

1 stop4h 34m

$429

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 11/5

7:10 am-11:48 am

2 stops28h 38m

Allentown-Bethlehem

Tue 11/11

5:22 pm-10:29 pm

1 stop5h 07m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

Showing 1-10 of 15 results
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Best time to book a flight from Louisville to Lehigh Valley

Have a flexible travel schedule? Discover the best time to fly to Lehigh Valley from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Lehigh Valley

What is the cheapest month to book a flight from Louisville to Lehigh Valley?

Currently, July is the cheapest month in which you can book a flight from Louisville to Lehigh Valley (average of $123). Flying from Louisville to Lehigh Valley in March is currently the most expensive (average of $472). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Lehigh Valley

Get insights into the airlines that provide service to Lehigh Valley. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lehigh Valley. Reviews last updated October 8, 2025.
Read through reviews of airlines operating flights from Louisville to Lehigh Valley, such as Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,964 reviews
Delta
8.0
Very good
7,969 reviews

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Lehigh Valley. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Lehigh Valley?

    Located just 5.3 mi from the city center, Louisville Intl (SDF) is the airport most travelers will use when flying to Lehigh Valley from Louisville.

  • How long is the flight from Louisville to Lehigh Valley?

    For as low as $269, Delta can have you in Lehigh Valley from Louisville in 4h 21m. There are 575 mi between Louisville and Lehigh Valley.

  • What are the cheapest airlines to fly from Louisville to Lehigh Valley one-way?

    $113 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $424 and $519, respectively.

  • Can I find deals for flights from Louisville to Lehigh Valley that include hotel bookings?

    Yes. In addition to deals on Louisville to Lehigh Valley flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Lehigh Valley?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Lehigh Valley.

  • Can I find deals for business class flights from Louisville to Lehigh Valley?

    Yes. Cheapflights offers flight deals from Louisville to Lehigh Valley by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Lehigh Valley?

    Currently, July is the cheapest month in which you can book a flight from Louisville to Lehigh Valley (average of $123). Flying from Louisville to Lehigh Valley in March is currently the most expensive (average of $472). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Louisville to Lehigh Valley

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Louisville to Lehigh Valley

Discover the top 2 airlines that operate flights from Louisville to Lehigh Valley. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$408FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$273Average$385FlexibilityNo cancel feeOn-time69%

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