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$429+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BRO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$429
(American Airlines)
From Louisville Intl to Brownsville South Padre Is. Intl
Search Deals

Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 9/292:24 pmSDF - BRO
1 stop4h 45mAmerican Airlines
Fri 10/35:26 amBRO - SDF
1 stop5h 19mAmerican Airlines
Deal found 9/14$429
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/297:00 amSDF - BRO
1 stop5h 20mUnited Airlines
Fri 10/312:10 pmBRO - SDF
2 stops9h 50mUnited Airlines
Deal found 9/14$434

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 September 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

Mon 9/29

2:24 pm-6:09 pm

1 stop4h 45m

Brownsville South Padre Is. Intl

Fri 10/3

5:26 am-11:45 am

1 stop5h 19m

$429

LouisvilleBrownsville

SDF - BRO

SDFBRO

Louisville Intl

Mon 9/29

7:00 am-11:20 am

1 stop5h 20m

Brownsville South Padre Is. Intl

Fri 10/3

12:10 pm-11:00 pm

2 stops9h 50m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, August is the cheapest month in which you can book a flight from Louisville to Brownsville (average of $328). Flying from Louisville to Brownsville in March is currently the most expensive (average of $474). 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 BRO?

Find hourly flight availability from Louisville to Brownsville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from Louisville to Brownsville by exploring options for tickets at noon.

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 September 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
8,931 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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?

    American Airlines and United Airlines can get you from Louisville to Brownsville in just under 4h 45m. Your travel time can differ by up to 35m. Airlines will cover a distance of 1087 mi. This flight may include one or multiple stops.

  • 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, August is the cheapest month in which you can book a flight from Louisville to Brownsville (average of $328). Flying from Louisville to Brownsville in March is currently the most expensive (average of $474). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$282Average$468FlexibilityNo cancel feeOn-time69%

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