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$185+ Cheap flights from Harlingen, TX to Louisville (HRL - SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SDF
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
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Cheap 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 April 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$274
(Southwest)

One-way from

$185
(Delta)
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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One-way flight from Harlingen Valley Intl to Louisville Intl
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Find flight deals from Harlingen to Louisville

Cheapest flights from Harlingen to Louisville
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 April 16, 2025.

This Southwest deal was found by Cheapflights users on 4/16. 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.
Thu 7/245:15 amHRL - SDF
1 stop7h 10mSouthwest
Mon 7/282:00 pmSDF - HRL
1 stop7h 00mSouthwest
Deal found 4/16$274
This Delta deal was found by Cheapflights users on 4/16. 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 4/172:41 pmHRL - SDF
1 stop7h 18mDelta
Mon 4/216:10 amSDF - HRL
1 stop8h 36mDelta
Deal found 4/16$389
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/87:59 pmHRL - SDF
1 stop16h 40mAmerican Airlines
Sat 6/148:27 pmSDF - HRL
1 stop4h 37mAmerican Airlines
Deal found 4/15$447
This United Airlines deal was found by Cheapflights users on 4/16. 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 4/172:05 pmHRL - SDF
1 stop6h 45mUnited Airlines
Sun 4/206:00 amSDF - HRL
2 stops8h 28mUnited Airlines
Deal found 4/16$684

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 April 16, 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

Thu 7/24

5:15 am-1:25 pm

1 stop7h 10m

Louisville Intl

Mon 7/28

2:00 pm-8:00 pm

1 stop7h 00m

$274

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Sun 6/8

7:59 pm-1:39 pm

1 stop16h 40m

Louisville Intl

Sat 6/14

8:27 pm-12:04 am

1 stop4h 37m

$447

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Wed 4/23

2:41 pm-10:59 pm

1 stop7h 18m

$185

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Wed 4/23

6:10 am-4:25 pm

2 stops9h 15m

$190

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Tue 4/22

10:21 am-5:36 pm

1 stop6h 15m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*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, January is the cheapest month in which you can book a flight from Harlingen, Texas to Louisville (average of $299). Flying from Harlingen, Texas to Louisville in April is currently the most expensive (average of $369). 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.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 16, 2025.
Southwest
8.0
Very good
4,282 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,282 reviews
Southwest
8.0
Very good
4,282 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,917 reviews
Southwest
8.0
Very good
4,282 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,282 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • What are the cheapest airlines to fly from Harlingen, Texas to Louisville one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $185. Users have also found prices from $190 and $195 on Southwest and American Airlines, respectively.

  • 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, January is the cheapest month in which you can book a flight from Harlingen, Texas to Louisville (average of $299). Flying from Harlingen, Texas to Louisville in April is currently the most expensive (average of $369). 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 Harlingen?

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

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