STL - BRO

$160 Find Cheap Flights from St. Louis to Brownsville

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Brownsville departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Brownsville

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Brownsville, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Brownsville, as well as popular online travel agencies
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Booking Insights
Flight Deals

Cheap Flights from St. Louis to Brownsville (STL-BRO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Brownsville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Brownsville

Tue, Sep 2 - Tue, Sep 9
American Airlines Logo
5:30 pm - 10:59 pmSTL-BRO
5h 29m1 stop
American Airlines Logo
3:04 pm - 8:15 pmBRO-STL
5h 11m1 stop
$274American Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
American Airlines Logo
5:30 pm - 10:59 pmSTL-BRO
5h 29m1 stop
American Airlines Logo
3:04 pm - 8:15 pmBRO-STL
5h 11m1 stop
$314American Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
American Airlines Logo
10:08 am - 2:34 pmSTL-BRO
4h 26m1 stop
American Airlines Logo
5:37 am - 11:50 amBRO-STL
6h 13m1 stop
$329American Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
American Airlines Logo
7:23 am - 6:07 pmSTL-BRO
10h 44m2 stops
American Airlines Logo
5:37 am - 11:50 amBRO-STL
6h 13m1 stop
$334American Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
American Airlines Logo
7:23 am - 6:07 pmSTL-BRO
10h 44m2 stops
American Airlines Logo
5:37 am - 3:49 pmBRO-STL
10h 12m2 stops
$339American Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
United Airlines Logo
4:32 pm - 11:34 pmSTL-BRO
7h 02m1 stop
United Airlines Logo
9:45 am - 11:44 pmBRO-STL
13h 59m2 stops
$349United Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
United Airlines Logo
8:15 am - 7:38 pmSTL-BRO
11h 23m2 stops
United Airlines Logo
12:11 pm - 11:44 pmBRO-STL
11h 33m2 stops
$394United Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
United Airlines Logo
8:15 am - 7:38 pmSTL-BRO
11h 23m2 stops
United Airlines Logo
12:11 pm - 11:44 pmBRO-STL
11h 33m2 stops
$453United Airlines
Find Deal
Fri, Dec 12 - Sat, Dec 20
United Airlines Logo
6:15 am - 11:27 amSTL-BRO
5h 12m1 stop
United Airlines Logo
5:25 pm - 11:31 pmBRO-STL
6h 06m1 stop
$457United Airlines
Find Deal
Fri, Dec 12 - Sat, Dec 20
United Airlines Logo
6:15 am - 11:27 amSTL-BRO
5h 12m1 stop
United Airlines Logo
5:25 pm - 2:26 pmBRO-STL
21h 01m2 stops
$464United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for St. Louis to Brownsville flights

Get data-powered insights and trends into flights from St. Louis to Brownsville to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from St. Louis to Brownsville?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Brownsville, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Brownsville is February, where tickets cost $323 (return) on average. On the other hand, the most expensive months are July and March, where the average cost of round-trip tickets is $461 and $453 respectively.

Good to know

Low seasonMay
Cheapest flight$160
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from St. Louis to Brownsville

When to book flights from St. Louis to Brownsville

Are your dates flexible? Find out the best times to travel from St. Louis to Brownsville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Brownsville

  • What is the cheapest flight from St. Louis to Brownsville?

    In the last 3 days, the lowest price for a flight from St. Louis to Brownsville was $160 for a one-way ticket and $274 for a round-trip.

  • Do I need a passport to fly between St. Louis and Brownsville?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from St. Louis to Brownsville?

    When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Brownsville, also known as Brownsville South Padre Is. Intl.

  • Which aircraft models fly most regularly from St. Louis to Brownsville?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Brownsville?

    oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Brownsville, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from St. Louis to Brownsville, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from St. Louis to Brownsville are United Airlines and American Airlines. With an average price for the route of $350 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $423 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from St. Louis to Brownsville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Brownsville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Brownsville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Brownsville from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Brownsville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Brownsville with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and BRO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Brownsville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Brownsville from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from St. Louis to Brownsville

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Brownsville. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Brownsville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8916 reviews
8.1Crew
7.7Boarding
6.6Food
7.3Comfort
7.1Entertainment
Airline reviews

This flight was perfect. No complaints and only the highest regard for the crew and ground staff and how they executed perfectly. I fly a lot with United and would request predictability and transparency in their operations instead of last minute changes.

8.0 ExcellentSujoy, Aug 2025EWR - IAH
Read more United Airlines reviews

This flight was perfect. No complaints and only the highest regard for the crew and ground staff and how they executed perfectly. I fly a lot with United and would request predictability and transparency in their operations instead of last minute changes.

This is for UA2274 from Houston to Sacramento. The flight was delayed arriving due to mechanical issues so we left about 3 hours later than scheduled. When boarding the plane the temperature inside was excessive - likely close to 100. Pilot apologized and said it was going to improve at altitude, which it did. But before that I honestly thought there might have been more delays removing passengers made ill from the heat. We were delayed leaving due to another mechanical issue. There was not water on the plane due to a panel that was not secured. They did that quickly, but the combination of mechanical issues was rather disturbing and did not reflect well on United.

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

The woman gate agent in Phoenix was none too sympathetic about my check-in process as I am relatively new with using apps. I almost did not get on because she said I did not check-in. I thought I had via Kayak where I purchased a very expensive ticket. Lesson learned but to be told I may not get on as a matter of factly was difficult to hear.

Overall a very poor experience - booked premium economy tickets but due to last minute flight delays , all my itinery went for a toss and had to fly economy class with no access to lounge or any compensation by united airlines to make up for the flight delays . i had expected better experience than that from united.

Gate agent did not hold flight for connection, provided no assistance to get new flight

The plane pushed back from the gate on time. However, it stopped on the ramp, and we waited for over 20 minutes before the aircraft pulled back to the gate. Apparently, something of importance had to be removed from the aircraft by the gate agent. I found this to be odd. The delay was not significant, but I felt that whatever was on the aircraft that had to be taken off, should’ve been done before we pushed back from the gate.

Smooth boarding process. Early departure, smooth flight, early arrival. The entertainment package has very good recent movie options. The flight crew were friendly and professional.

I don’t understand the purpose of the orange “priority” tag on my bag. This tagged, my bag is last or near to the last bag to come down the carousel at IAH.

Oh my gosh, I loved my experience with United! they made me want to travel more often.

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

Our flight was 1.5 hours delayed. There was no weather for the inbound flight, so I don't understand why. This meant a VERY late arrival and only a quick nap before my morning flight.

It was very difficult to stretch my knee out and I am very short. I also had a torn tendon in my knee which made it extra uncomfortable anyways. My husband is 6'2" and I can't imagine him flying in that plane.

Delayed flight, so I switched fights to SFO to Phoenix , Phoenix to DSM. Excellent service through American Airlines

The AA app really sucks ... Every flight & connecting flights were delayed over 30 mins. One connecting flight on American Eagle said it was delayed in its arrival ... when it was actually parked across from the gate for over 1 hr before they pulled it to the gate. Seats in the economy/ main cabin are packed together like sardines ... no leg room.

The flight delay in Dallas created a domino effect that impacted all connecting flights, leading to an increase in the number of connections. As a result, I missed my flight from Casablanca to Marrakech due to the tight turnaround when landing in Casablanca. CMN Airport was understaffed; only one employee was available to assist passengers while others just stood by and watched. It was an extremely frustrating situation. Many passengers were crying and banging their hands on the counter while talking to customer service representative Allabough. Unfortunately, Allabough couldn’t change my flight in the system. At the same time, I was on the phone with an American Airlines customer service representative named Solomon, who said he couldn’t make the change either. So, I decided to take an ONYA Voyages train from Casablanca to Marrakech to reach my destination on Friday, June 26. It turned out to be an unpredictable trip.

Pretty bad gate mgmt upon arrival. No open gates and we had to wait at midnight. Shouldn’t be a surprise that an aircraft is coming in.

Comfortable plane ride however on delays disappointment no real details as to why the delays when other flights are leaving the airport

The chair cushions may need an upgrade. I have been noticing they are so worn out, thin so you’d sit in a dip 😄. Other than that, all was an enjoyable trip. Thanks AA!

I’m impressed that we were on time in Sacramento after having a late departure in Newark and our made it. The staff was friendly and warm.

Everything you need to know for your flight from St. Louis to Brownsville

Information on your arrival and departure airports

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