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$331+ Cheap flights from Harlingen, TX 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SDF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Harlingen to Louisville

Best flights from Harlingen to Louisville
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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 1/2712:10 pmHRL - SDF
1 stop6h 44mUnited Airlines
Wed 1/289:15 amSDF - HRL
1 stop7h 51mUnited Airlines
Deal found 12/15$331

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$331
(United Airlines)
Provider with most accurate pricing for Harlingen Valley Intl-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-Louisville Intl flights.
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From Harlingen Valley Intl to Louisville Intl
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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 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Harlingen to Louisville that are best for you.

Fly from

Harlingen

Fly to

Louisville

Route

Depart

Return

Price

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Tue 1/27

12:10 pm-7:54 pm

1 stop6h 44m

Louisville Intl

Wed 1/28

9:15 am-4:06 pm

1 stop7h 51m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harlingen, Texas-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harlingen, Texas-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-Louisville flights, Cheapflights users trust eDreams the most. eDreams 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, Texas-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.
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 Harlingen to Louisville

What is the cheapest month to book a flight from Harlingen, Texas to Louisville?

Currently, May is the cheapest month in which you can book a flight from Harlingen, Texas to Louisville (average of $228). Flying from Harlingen, Texas to Louisville in March is currently the most expensive (average of $464). 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.

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.

  • How long is the flight from Harlingen, Texas to Louisville?

    Departing from Harlingen, Texas to Louisville will take you 6h 44m. The distance between Harlingen, Texas and Louisville is about 1077 mi.

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

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

  • How can I find direct flights from Harlingen to Louisville?

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Louisville 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 Harlingen, Texas to Louisville?

    Currently, May is the cheapest month in which you can book a flight from Harlingen, Texas to Louisville (average of $228). Flying from Harlingen, Texas to Louisville in March is currently the most expensive (average of $464). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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