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$344+ Cheap flights from Louisville to Brownsville (SDF - BRO)

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BRO
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Louisville to Brownsville

Cheapest flights from Louisville to Brownsville
Explore the most affordable flight options available from Louisville to Brownsville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 12/239:05 amSDF - BRO
1 stop8h 02mUnited Airlines
Tue 1/209:30 amBRO - SDF
2 stops12h 53mUnited Airlines
Deal found 12/14$344
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/151:50 pmSDF - BRO
2 stops10h 46mUnited Airlines
Sun 12/2112:12 pmBRO - SDF
2 stops9h 18mUnited Airlines
Deal found 12/14$419
This American Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/154:27 pmSDF - BRO
1 stop7h 32mAmerican Airlines
Sun 12/2110:29 amBRO - SDF
2 stops12h 01mAmerican Airlines
Deal found 12/14$480
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/236:27 amSDF - BRO
2 stops9h 12mAmerican Airlines
Tue 1/2010:53 amBRO - SDF
2 stops11h 26mAmerican Airlines
Deal found 12/14$529
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Sun 12/216:00 amSDF - BRO
1 stop6h 26mUnited Airlines
Sun 12/285:10 amBRO - SDF
1 stop5h 56mUnited Airlines
Deal found 12/12$544
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/216:16 pmSDF - BRO
1 stop5h 30mAmerican Airlines
Sun 12/283:03 pmBRO - SDF
1 stop5h 31mAmerican Airlines
Deal found 12/14$570

Find flight deals from Louisville to Brownsville

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Brownsville (BRO). 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 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$359
(United Airlines)
Provider with most accurate pricing for Louisville Intl-Brownsville South Padre Is. Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Brownsville South Padre Is. Intl flights.
Search Deals
From Louisville Intl to Brownsville South Padre Is. Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Brownsville 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 15, 2025.
Use the filters below to find and compare flights from Louisville to Brownsville that are best for you.

Fly from

Louisville

Fly to

Brownsville

Route

Depart

Return

Price

LouisvilleBrownsville

SDF - BRO

SDFBRO

Louisville Intl

Sat 1/24

6:00 am-11:31 am

1 stop6h 31m

Brownsville South Padre Is. Intl

Wed 1/28

7:15 am-1:14 pm

1 stop4h 59m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Compare providers for flights from Louisville to Brownsville

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 Louisville to Brownsville in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
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 Louisville-Brownsville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Brownsville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Brownsville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Brownsville 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 Louisville-Brownsville 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 Brownsville

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

What is the cheapest month to book a flight from Louisville to Brownsville?

Currently, April is the cheapest month in which you can book a flight from Louisville to Brownsville (average of $258). Flying from Louisville to Brownsville 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.

Reviews of airlines servicing Brownsville

Get insights into the airlines that provide service to Brownsville. 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 Brownsville. Reviews last updated December 15, 2025.
Peruse reviews from past customers who have flown with United Airlines from Louisville to Brownsville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Brownsville. 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 Louisville to Brownsville?

    United Airlines can get you from Louisville to Brownsville in just under 6h 31m. Your travel time can differ by up to . Airlines will cover a distance of 1087 mi.

  • What is the cheapest airline to fly from Louisville to Brownsville round-trip?

    According to our current data, United Airlines ($282), offers the cheapest pricing from Louisville to Brownsville.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Brownsville 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 Brownsville?

    Currently, April is the cheapest month in which you can book a flight from Louisville to Brownsville (average of $258). Flying from Louisville to Brownsville 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.

See more FAQs

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Top airline flying from Louisville to Brownsville

Discover the top airline that operate flights from Louisville to Brownsville. 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$282Average$416FlexibilityNo cancel feeOn-time69%

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