$151+ Cheap flights from Louisville to Allentown (SDF - ABE)
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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ABE
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Allentown with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Louisville to Allentown
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Cheapest flights from Louisville to AllentownExplore the most affordable flight options available from Louisville to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
Explore the most affordable flight options available from Louisville to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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 7/311:19 am
SDF
- ABE
1 stop6h 11m
Delta
Sun 7/56:20 am
ABE
- SDF
1 stop5h 33m
Delta
Deal found 6/11![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/9. 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 7/17:05 am
SDF
- ABE
1 stop5h 22m
Delta
Sun 7/56:20 am
ABE
- SDF
1 stop5h 33m
Delta
Deal found 6/9![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 9/121:49 pm
SDF
- ABE
1 stop7h 11m
United Airlines
Wed 9/235:36 pm
ABE
- SDF
1 stop5h 32m
United Airlines
Deal found 6/11![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/9. 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 10/289:00 am
SDF
- ABE
1 stop4h 42m
United Airlines
Sat 10/316:15 am
ABE
- SDF
1 stop6h 45m
United Airlines
Deal found 6/9![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 12/75:45 pm
SDF
- ABE
1 stop5h 01m
Delta
Mon 12/145:40 pm
ABE
- SDF
1 stop4h 55m
Delta
Deal found 6/9![Delta logo]()
$396
This Delta deal was found by Cheapflights users on 6/13. 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 7/27:05 am
SDF
- ABE
1 stop5h 22m
Delta
Mon 7/66:10 pm
ABE
- SDF
1 stop6h 22m
Delta
Deal found 6/13![Delta logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/228:06 pm
SDF
- ABE
2 stops27h 33m
Multiple Airlines
Wed 7/291:30 pm
ABE
- SDF
1 stop21h 02m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 6/11. 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 6/1911:19 am
SDF
- ABE
1 stop6h 11m
Delta
Mon 6/226:10 pm
ABE
- SDF
1 stop6h 22m
Delta
Deal found 6/11![Delta logo]()
$478
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Fri 9/1111:00 am
SDF
- ABE
1 stop5h 56m
United Airlines
Mon 9/145:36 pm
ABE
- SDF
1 stop5h 32m
United Airlines
Deal found 6/13![United Airlines logo]()
$484
Best flights from Louisville to AllentownDiscover carefully curated flight deals from Louisville to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from Louisville to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 9/266:00 pm
SDF
- ABE
1 stop4h 16m
Delta
Sat 10/36:13 pm
ABE
- SDF
1 stop5h 46m
Delta
Deal found 6/11![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 6/12. 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 10/289:00 am
SDF
- ABE
1 stop4h 42m
United Airlines
Sat 10/316:15 am
ABE
- SDF
1 stop6h 45m
United Airlines
Deal found 6/12![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 6/13. 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 7/227:05 am
SDF
- ABE
1 stop5h 17m
Delta
Wed 7/291:08 pm
ABE
- SDF
1 stop4h 41m
Delta
Deal found 6/13![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/12. 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 7/34:40 pm
SDF
- ABE
1 stop6h 28m
Delta
Sun 7/56:20 am
ABE
- SDF
1 stop5h 33m
Delta
Deal found 6/12![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 12/75:45 pm
SDF
- ABE
1 stop5h 01m
Delta
Mon 12/145:40 pm
ABE
- SDF
1 stop4h 55m
Delta
Deal found 6/9![Delta logo]()
$396
This Delta deal was found by Cheapflights users on 6/13. 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 7/27:05 am
SDF
- ABE
1 stop5h 22m
Delta
Mon 7/66:10 pm
ABE
- SDF
1 stop6h 22m
Delta
Deal found 6/13![Delta logo]()
$447
Last-minute flights from Louisville to AllentownDiscover last-minute flight deals from Louisville to Allentown. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Allentown. Data last updated June 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/11. 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 6/1911:19 am
SDF
- ABE
1 stop6h 11m
Delta
Mon 6/226:10 pm
ABE
- SDF
1 stop6h 22m
Delta
Deal found 6/11![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 6/9. 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 6/246:34 pm
SDF
- ABE
1 stop4h 34m
Delta
Sun 6/281:12 pm
ABE
- SDF
1 stop6h 12m
Delta
Deal found 6/9![Delta logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Thu 6/253:21 pm
SDF
- ABE
1 stop18h 19m
Multiple Airlines
Sun 6/282:46 pm
ABE
- SDF
1 stop30h 02m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 6/9. 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 7/17:05 am
SDF
- ABE
1 stop5h 22m
Delta
Sun 7/56:20 am
ABE
- SDF
1 stop5h 33m
Delta
Deal found 6/9![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 6/13. 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 7/26:00 am
SDF
- ABE
1 stop6h 27m
Delta
Fri 7/106:05 pm
ABE
- SDF
1 stop6h 21m
Delta
Deal found 6/13![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/13. 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 7/27:05 am
SDF
- ABE
1 stop5h 22m
Delta
Mon 7/66:10 pm
ABE
- SDF
1 stop6h 22m
Delta
Deal found 6/13![Delta logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Thu 7/26:55 pm
SDF
- ABE
2 stops37h 56m
Multiple Airlines
Fri 7/108:49 pm
ABE
- SDF
1 stop23h 21m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 6/11. 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 7/311:19 am
SDF
- ABE
1 stop6h 11m
Delta
Sun 7/56:20 am
ABE
- SDF
1 stop5h 33m
Delta
Deal found 6/11![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 7/127:05 am
SDF
- ABE
1 stop5h 17m
Delta
Sun 7/196:30 am
ABE
- SDF
1 stop5h 21m
Delta
Deal found 6/11![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 6/11. 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 7/167:05 am
SDF
- ABE
1 stop5h 17m
Delta
Sun 7/266:30 am
ABE
- SDF
1 stop5h 21m
Delta
Deal found 6/11![Delta logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/228:06 pm
SDF
- ABE
2 stops27h 33m
Multiple Airlines
Wed 7/291:30 pm
ABE
- SDF
1 stop21h 02m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$459
One-way flights from Louisville to AllentownSearch for one-way flight options from Louisville to Allentown. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from Louisville to Allentown. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 9/1610:56 am
SDF
- ABE
2 stops26h 42m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$151
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/1611:00 am
SDF
- ABE
1 stop5h 56m
United Airlines
Deal found 6/9![United Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 6/10. 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.
Mon 7/136:00 am
SDF
- ABE
1 stop6h 22m
Delta
Deal found 6/10![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 6/9. 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 6/247:05 am
SDF
- ABE
1 stop5h 22m
Delta
Deal found 6/9![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/46:15 am
SDF
- ABE
2 stops14h 52m
United Airlines
Deal found 6/10![United Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/138:15 am
SDF
- ABE
2 stops8h 27m
American Airlines
Deal found 6/10![American Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/2410:00 am
SDF
- ABE
2 stops11h 07m
United Airlines
Deal found 6/9![United Airlines logo]()
$700
Find flight deals from Louisville to Allentown
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Allentown (ABE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $323 (Delta) |
One-way from | $151 (Kiwi.com) |
Popular in | August |
Cheapest in | November |
Average price | $339 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 13, 2026.
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
Cheapest round-trip
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Sat 9/26
6:00 pm-10:16 pm
1 stop4h 16m
Allentown-Bethlehem
Sat 10/3
6:13 pm-11:59 pm
1 stop5h 46m
$323
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Wed 7/22
7:05 am-12:22 pm
1 stop5h 17m
Allentown-Bethlehem
Wed 7/29
1:08 pm-5:49 pm
1 stop4h 41m
$323
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Fri 7/3
4:40 pm-11:08 pm
1 stop6h 28m
Allentown-Bethlehem
Sun 7/5
6:20 am-11:53 am
1 stop5h 33m
$323
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Wed 10/28
9:00 am-1:42 pm
1 stop4h 42m
Allentown-Bethlehem
Sat 10/31
6:15 am-1:00 pm
1 stop6h 45m
$389
Quickest round-trip
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Mon 12/7
5:45 pm-10:46 pm
1 stop5h 01m
Allentown-Bethlehem
Mon 12/14
5:40 pm-10:35 pm
1 stop4h 55m
$396
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Thu 7/2
7:05 am-12:27 pm
1 stop5h 22m
Allentown-Bethlehem
Mon 7/6
6:10 pm-12:32 am
1 stop6h 22m
$447
Cheapest one-way
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Wed 9/16
10:56 am-1:38 pm
2 stops26h 42m
$151
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Wed 9/16
11:00 am-4:56 pm
1 stop5h 56m
$274
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Mon 7/13
6:00 am-12:22 pm
1 stop6h 22m
$281
Quickest one-way
LouisvilleAllentown
SDF - ABE
SDFABE
Louisville Intl
Tue 8/4
8:05 am-12:28 pm
1 stop4h 23m
$281
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Louisville to Allentown
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Allentown in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Allentown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Allentown flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Allentown flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Allentown flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Louisville to Allentown
Have a flexible travel schedule? Discover the best time to fly to Allentown from Louisville with our price prediction graph.
SDF-ABE
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 Allentown
Related info for your journey
Find useful and relevant information for your journey from Louisville to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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