HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Harlingen

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

SDF — HRL
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Harlingen 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 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 October 28, 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.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Harlingen Valley Intl flights.
Search Deals
  • 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, October is the cheapest month in which you can book a flight from Louisville to Harlingen, Texas (average of $215). Flying from Louisville to Harlingen, Texas in November is currently the most expensive (average of $459). 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 October 28, 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 October 28, 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
11,032 reviews

Food

6.4

Crew

8.0

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
11,032 reviews
American Airlines
7.2
Good
11,032 reviews

Food

6.4

Crew

8.0

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

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, October is the cheapest month in which you can book a flight from Louisville to Harlingen, Texas (average of $215). Flying from Louisville to Harlingen, Texas in November is currently the most expensive (average of $459). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Dallas/Fort Worth flights
Cincinnati to Hobby flights
Cincinnati to George Bush Intcntl flights
Nashville to Dallas/Fort Worth flights
Nashville to Hobby flights
Nashville to George Bush Intcntl flights
Louisville to Hobby flights
Knoxville to Hobby flights
Louisville to Dallas/Fort Worth flights
Nashville to Austin flights
Louisville to George Bush Intcntl flights
Nashville to Love Field flights
Knoxville to Dallas/Fort Worth flights
Lexington to Dallas/Fort Worth flights
Cincinnati to Love Field flights
Cincinnati to Austin flights
Louisville to Love Field flights
Knoxville to George Bush Intcntl flights
Nashville to San Antonio flights
Lexington to Hobby flights
Louisville to Austin flights
Lexington to Austin flights
Louisville to San Antonio flights
Lexington to George Bush Intcntl flights
Cincinnati to San Antonio flights
Evansville to Dallas/Fort Worth flights
Knoxville to Austin flights
Knoxville to San Antonio flights
Blountville to Dallas/Fort Worth flights
Knoxville to Love Field flights
Cincinnati to El Paso flights
Evansville to Hobby flights
Lexington to San Antonio flights
Nashville to Amarillo flights
Nashville to Corpus Christi flights
Lexington to Love Field flights
Evansville to George Bush Intcntl flights
Blountville to George Bush Intcntl flights
Cincinnati to Lubbock flights
Evansville to Love Field flights
Nashville to El Paso flights
Nashville to Harlingen flights
Blountville to Hobby flights
Cincinnati to Brownsville flights
Cincinnati to Corpus Christi flights
Lexington to El Paso flights
Knoxville to El Paso flights
Nashville to Brownsville flights
Nashville to Lubbock flights
Nashville to McAllen flights

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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$252Average$295FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.