$228+ Cheap flights from Allentown to Louisville (ABE - SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SDF
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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Find cheap flights from Allentown to Louisville 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 Allentown to Louisville
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Cheapest flights from Allentown to LouisvilleExplore the most affordable flight options available from Allentown to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
Explore the most affordable flight options available from Allentown to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 10/2810:28 am -
1 stop21h 45m
Thu 10/299:43 pm -
1 stop10h 45m
Deal found 10/8![Allegiant Air logo]()
$396
This Delta deal was found by Cheapflights users on 10/13. 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 11/126:00 pm -
1 stop6h 10m
Sun 11/156:00 am -
1 stop6h 04m
Deal found 10/13![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 10/13. 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 10/286:03 pm -
1 stop5h 56m
Sun 11/15:57 pm -
1 stop4h 22m
Deal found 10/13![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/285:36 pm -
1 stop4h 54m
Sat 10/312:15 pm -
1 stop6h 47m
Deal found 10/8![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/10. 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.
Tue 10/136:03 pm -
1 stop5h 56m
Sun 10/186:00 am -
1 stop6h 05m
Deal found 10/10![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 10/10. 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.
Tue 10/136:03 pm -
1 stop5h 56m
Mon 10/195:57 pm -
1 stop4h 22m
Deal found 10/10![Delta logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:28 am -
1 stop21h 45m
Thu 10/229:43 pm -
1 stop10h 45m
Deal found 10/12![Allegiant Air logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Tue 10/1312:00 pm -
2 stops32h 31m
Thu 10/159:22 pm -
1 stop11h 06m
Deal found 10/9![Multiple Airlines logo]()
$558
This American Airlines deal was found by Cheapflights users on 10/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:10 am -
1 stop7h 14m
Sat 1/26:50 pm -
1 stop4h 51m
Deal found 10/9![American Airlines logo]()
$595
Best flights from Allentown to LouisvilleDiscover carefully curated flight deals from Allentown to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Allentown to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
This Delta deal was found by Cheapflights users on 10/13. 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 11/126:00 pm -
1 stop6h 10m
Sun 11/156:00 am -
1 stop6h 04m
Deal found 10/13![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Wed 10/285:36 pm -
1 stop4h 54m
Sat 10/312:15 pm -
1 stop6h 47m
Deal found 10/11![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/10. 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.
Fri 11/2012:45 pm -
1 stop6h 29m
Sun 11/2210:13 am -
1 stop7h 02m
Deal found 10/10![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 10/13. 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 10/286:03 pm -
1 stop5h 56m
Sun 11/15:57 pm -
1 stop4h 22m
Deal found 10/13![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 2/46:00 am -
1 stop7h 26m
Sun 2/710:20 am -
1 stop6h 25m
Deal found 10/12![United Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/285:36 pm -
1 stop4h 54m
Sun 11/110:37 am -
1 stop6h 19m
Deal found 10/12![United Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 10/9. 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 11/96:00 pm -
1 stop6h 10m
Tue 11/101:01 pm -
1 stop4h 14m
Deal found 10/9![Delta logo]()
$645
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Mon 10/265:36 pm -
1 stop4h 54m
Fri 10/3010:27 am -
1 stop6h 29m
Deal found 10/11![United Airlines logo]()
$737
Last-minute flights from Allentown to LouisvilleDiscover last-minute flight deals from Allentown to Louisville. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Louisville. Data last updated October 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/10. 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.
Tue 10/136:03 pm -
1 stop5h 56m
Sun 10/186:00 am -
1 stop6h 05m
Deal found 10/10![Delta logo]()
$494
This Delta deal was found by Cheapflights users on 10/10. 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.
Tue 10/136:03 pm -
1 stop5h 56m
Mon 10/195:57 pm -
1 stop4h 22m
Deal found 10/10![Delta logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Tue 10/1312:00 pm -
2 stops32h 31m
Thu 10/159:22 pm -
1 stop11h 06m
Deal found 10/9![Multiple Airlines logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:28 am -
1 stop21h 45m
Thu 10/229:43 pm -
1 stop10h 45m
Deal found 10/12![Allegiant Air logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 10/2810:28 am -
1 stop21h 45m
Thu 10/299:43 pm -
1 stop10h 45m
Deal found 10/8![Allegiant Air logo]()
$396
This Delta deal was found by Cheapflights users on 10/13. 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 10/286:03 pm -
1 stop5h 56m
Sun 11/15:57 pm -
1 stop4h 22m
Deal found 10/13![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/285:36 pm -
1 stop4h 54m
Sat 10/312:15 pm -
1 stop6h 47m
Deal found 10/8![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/285:36 pm -
1 stop4h 54m
Sun 11/110:37 am -
1 stop6h 19m
Deal found 10/12![United Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 10/13. 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 11/126:00 pm -
1 stop6h 10m
Sun 11/156:00 am -
1 stop6h 04m
Deal found 10/13![Delta logo]()
$399
One-way flights from Allentown to LouisvilleSearch for one-way flight options from Allentown to Louisville. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
Search for one-way flight options from Allentown to Louisville. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:44 pm -
1 stop20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Allegiant Air logo]()
$228
This Delta deal was found by Cheapflights users on 10/12. 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.
Mon 11/2312:53 pm -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Delta logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:00 am -
3 stops35h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 10/12. 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.
Tue 11/246:30 am -
1 stop5h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Delta logo]()
$420
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Mon 11/235:36 pm -
2 stops28h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![United Airlines logo]()
$464
Find flight deals from Allentown to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Louisville (SDF). 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 October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $396 (Kiwi.com) |
One-way from | $228 (Kiwi.com) |
Popular in | November |
Cheapest in | October |
Average price | $283 |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown to Louisville 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 7,457,451 searches. Data last updated October 13, 2026.
Use the filters below to find and compare flights from Allentown to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Mon 11/23
9:00 am-8:36 pm
3 stops35h 36m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$337
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Thu 11/12
6:00 pm-12:10 am
1 stop6h 10m
Louisville Intl
Sun 11/15
6:00 am-12:04 pm
1 stop6h 04m
$399
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Fri 11/20
12:45 pm-7:14 pm
1 stop6h 29m
Louisville Intl
Sun 11/22
10:13 am-5:15 pm
1 stop7h 02m
$418
Quickest round-trip
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Tue 11/24
6:30 am-11:56 am
1 stop5h 26m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$420
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Wed 10/28
6:03 pm-11:59 pm
1 stop5h 56m
Louisville Intl
Sun 11/1
5:57 pm-10:19 pm
1 stop4h 22m
$431
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Mon 11/23
5:36 pm-9:58 pm
2 stops28h 22m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$464
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Wed 10/28
5:36 pm-10:30 pm
1 stop4h 54m
Louisville Intl
Sat 10/31
2:15 pm-9:02 pm
1 stop6h 47m
$469
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Thu 2/4
6:00 am-1:26 pm
1 stop7h 26m
Louisville Intl
Sun 2/7
10:20 am-4:45 pm
1 stop6h 25m
$549
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Wed 10/28
5:36 pm-10:30 pm
1 stop4h 54m
Louisville Intl
Sun 11/1
10:37 am-4:56 pm
1 stop6h 19m
$609
AllentownLouisville
ABE Allentown-Bethlehem - SDF Louisville Intl
ABESDF
Allentown-Bethlehem
Mon 11/9
6:00 pm-12:10 am
1 stop6h 10m
Louisville Intl
Tue 11/10
1:01 pm-5:15 pm
1 stop4h 14m
$645
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Allentown to Louisville
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 Allentown to Louisville in October.
| 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 Allentown-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Allentown-Louisville 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 Allentown-Louisville 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 Allentown to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Allentown with our price prediction graph.
ABE-SDF
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.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated October 13, 2026.
See what other customers who have flown with Delta and American Airlines from Allentown to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Allentown to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
Browse thousands of different options on Cheapflights for your next trip
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Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 13, 2026.
Allentown and Louisville flights
Browse other Allentown and Louisville flight options. Last updated on October 13, 2026.
Other flights from Allentown
Browse through other flights departing from Allentown. Flights are based on user searches made on Cheapflights and were last updated on October 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Allentown to Louisville
Discover the top 2 airlines that operate flights from Allentown to Louisville. 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 7,457,451 searches. Data last updated October 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$324 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$488 | Average$548 | FlexibilityNo cancel fee | On-time71% |