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Harlingen

Cheap flights from Louisville to Harlingen, TX (SDF - HRL)

SDF — HRL
Dec 11 — Dec 181
Thu 12/11
Thu 12/18
1 adult, Economy
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Cheap flight deals from Louisville to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Harlingen (HRL). 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 11, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars
Provider with most accurate pricing for Louisville Intl-Harlingen Valley Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Harlingen Valley Intl flights.
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  • Most accurate provider: When it comes to deals on Louisville-Harlingen, Texas flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Louisville-Harlingen, Texas flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Louisville-Harlingen, Texas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Harlingen, Texas flights, Cheapflights users trust Expedia the most. Expedia 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-Harlingen, Texas 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 Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen 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 Harlingen

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

Currently, April is the cheapest month in which you can book a flight from Louisville to Harlingen, Texas (average of $258). Flying from Louisville to Harlingen, Texas in July is currently the most expensive (average of $444). 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.

What is the cheapest time of day to fly from SDF to HRL?

Find hourly flight availability from Louisville to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 11, 2025.

It’s typically best to fly out from Louisville to Harlingen, Texas in the evening. Doing so could potentially save you 30% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. 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 Harlingen. Reviews last updated November 11, 2025.
See what other customers who have flown with American Airlines from Louisville to Harlingen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,049 reviews

Boarding

7.5

Entertainment

6.9

Crew

8.0

Comfort

7.2

Food

6.4

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,049 reviews
American Airlines
7.2
Good
11,049 reviews

Boarding

7.5

Entertainment

6.9

Crew

8.0

Comfort

7.2

Food

6.4

Overall

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

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

  • What is the cheapest airline to fly from Louisville to Harlingen, Texas round-trip?

    Cheapflights users have booked flights from Louisville to Harlingen, Texas round-trip from $252.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Louisville to Harlingen, Texas (average of $258). Flying from Louisville to Harlingen, Texas in July is currently the most expensive (average of $444). 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.

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Top airline flying from Louisville to Harlingen

Discover the top airline that operate flights from Louisville to Harlingen. 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 November 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$252Average$295FlexibilityNo cancel feeOn-time71%

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