$413+ Cheap flights from Harlingen to Louisville (HRL - 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SDF
Dec 12 — Dec 191
Round-trip
1 adult, Economy
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Find cheap flights from Harlingen 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 Harlingen to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Harlingen to LouisvilleExplore the most affordable flight options available from Harlingen to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
Explore the most affordable flight options available from Harlingen to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
This Southwest deal was found by Cheapflights users on 11/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:40 am -
2 stops7h 45m
Sun 11/85:35 pm -
2 stops7h 00m
Deal found 11/7![Southwest logo]()
$571
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 11/85:40 am -
1 stop8h 50m
Sun 11/86:54 pm -
1 stop5h 05m
Deal found 11/7![American Airlines logo]()
$1,150
Best flights from Harlingen to LouisvilleDiscover carefully curated flight deals from Harlingen to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
Discover carefully curated flight deals from Harlingen to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Tue 1/194:35 pm -
1 stop5h 37m
Thu 1/2110:46 am -
1 stop8h 19m
Deal found 11/7![American Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 11/11. 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 1/202:05 pm -
1 stop5h 14m
Thu 1/213:25 pm -
1 stop5h 22m
Deal found 11/11![United Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Tue 1/197:00 am -
2 stops11h 30m
Thu 1/217:00 am -
1 stop7h 30m
Deal found 11/7![United Airlines logo]()
$460
Last-minute flights from Harlingen to LouisvilleDiscover last-minute flight deals from Harlingen to Louisville. Data last updated November 12, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Louisville. Data last updated November 12, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 11/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:40 am -
2 stops7h 45m
Sun 11/85:35 pm -
2 stops7h 00m
Deal found 11/7![Southwest logo]()
$571
This American Airlines deal was found by Cheapflights users on 11/7. 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.
Sun 11/85:40 am -
1 stop8h 50m
Sun 11/86:54 pm -
1 stop5h 05m
Deal found 11/7![American Airlines logo]()
$1,150
One-way flights from Harlingen to LouisvilleSearch for one-way flight options from Harlingen to Louisville. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
Search for one-way flight options from Harlingen to Louisville. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 11/295:40 am -
1 stop6h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![American Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/295:45 am -
2 stops7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Southwest logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Sun 11/2911:58 am -
3 stops25h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$1,093
Find flight deals from Harlingen to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) 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 November 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $413 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen 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 November 12, 2026.
Use the filters below to find and compare flights from Harlingen to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarlingenLouisville
HRL Harlingen Valley Intl - SDF Louisville Intl
HRLSDF
Harlingen Valley Intl
Tue 1/19
4:35 pm-11:12 pm
1 stop5h 37m
Louisville Intl
Thu 1/21
10:46 am-6:05 pm
1 stop8h 19m
$413
HarlingenLouisville
HRL Harlingen Valley Intl - SDF Louisville Intl
HRLSDF
Harlingen Valley Intl
Wed 1/20
2:05 pm-8:19 pm
1 stop5h 14m
Louisville Intl
Thu 1/21
3:25 pm-7:47 pm
1 stop5h 22m
$455
Quickest round-trip
HarlingenLouisville
HRL Harlingen Valley Intl - SDF Louisville Intl
HRLSDF
Harlingen Valley Intl
Sun 11/29
5:40 am-12:54 pm
1 stop6h 14m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$457
HarlingenLouisville
HRL Harlingen Valley Intl - SDF Louisville Intl
HRLSDF
Harlingen Valley Intl
Tue 1/19
7:00 am-7:30 pm
2 stops11h 30m
Louisville Intl
Thu 1/21
7:00 am-1:30 pm
1 stop7h 30m
$460
HarlingenLouisville
HRL Harlingen Valley Intl - SDF Louisville Intl
HRLSDF
Harlingen Valley Intl
Sun 11/29
5:45 am-2:10 pm
2 stops7h 25m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$525
HarlingenLouisville
HRL Harlingen Valley Intl - SDF Louisville Intl
HRLSDF
Harlingen Valley Intl
Sun 11/29
11:58 am-2:53 pm
3 stops25h 55m
Louisville Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$1,093
Sorted by cheapest first
Compare providers for flights from Harlingen 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 Harlingen to Louisville in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Harlingen-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-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 Harlingen-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 Harlingen to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Harlingen with our price prediction graph.
HRL-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.
Related info for your journey
Find useful and relevant information for your journey from Harlingen 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
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