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Cheap flights from St. Louis to Brownsville from $245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Brownsville departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:05 am - 4:12 pm
STL
-
BRO
8h 07m
2 stops
United Airlines Logo
9:30 am - 3:39 pm
BRO
-
STL
6h 09m
1 stop
$299United Airlines
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
11:55 am - 6:19 pm
STL
-
BRO
6h 24m
1 stop
American Airlines Logo
6:00 am - 11:03 am
BRO
-
STL
5h 03m
1 stop
$314American Airlines
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
6:00 pm - 11:03 pm
STL
-
BRO
5h 03m
1 stop
United Airlines Logo
9:30 am - 4:35 pm
BRO
-
STL
7h 05m
1 stop
$324United Airlines
Wed, Jun 3 - Sun, Jun 7
American Airlines Logo
1:40 pm - 11:33 pm
STL
-
BRO
9h 53m
2 stops
American Airlines Logo
6:00 am - 1:09 pm
BRO
-
STL
7h 09m
2 stops
$325American Airlines
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
7:15 am - 2:48 pm
STL
-
BRO
7h 33m
1 stop
American Airlines Logo
10:53 am - 4:30 pm
BRO
-
STL
5h 37m
1 stop
$329American Airlines
Wed, Jan 28 - Sun, Feb 1
American Airlines Logo
11:05 am - 6:19 pm
STL
-
BRO
7h 14m
2 stops
American Airlines Logo
6:49 pm - 10:59 pm
BRO
-
STL
4h 10m
1 stop
$334American Airlines
Wed, Jan 28 - Sun, Feb 1
United Airlines Logo
6:00 am - 11:36 am
STL
-
BRO
5h 36m
1 stop
United Airlines Logo
5:14 pm - 10:14 pm
BRO
-
STL
5h 00m
1 stop
$349United Airlines
Thu, Feb 19 - Wed, Feb 25
United Airlines Logo
8:05 am - 4:12 pm
STL
-
BRO
8h 07m
2 stops
United Airlines Logo
9:30 am - 5:43 pm
BRO
-
STL
8h 13m
2 stops
$350United Airlines
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
9:55 am - 6:02 pm
STL
-
BRO
8h 07m
2 stops
United Airlines Logo
5:14 pm - 10:14 pm
BRO
-
STL
5h 00m
1 stop
$354United Airlines
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
4:13 pm - 10:54 pm
STL
-
BRO
6h 41m
1 stop
American Airlines Logo
2:58 pm - 7:29 pm
BRO
-
STL
4h 31m
1 stop
$369American Airlines
Thu, Feb 19 - Tue, Feb 24

American Airlines flights from St. Louis to Brownsville

Our best American Airlines deals on St. Louis to Brownsville flight tickets
American Airlines
Jan 31
STL11:55 amLambert-St Louis
6h 24m
1 stop
BRO6:19 pmBrownsville South Padre Is. Intl
Feb 7
BRO6:00 amBrownsville South Padre Is. Intl
5h 03m
1 stop
STL11:03 amLambert-St Louis
$314
American Airlines
Jan 31
STL1:40 pmLambert-St Louis
9h 53m
2 stops
BRO11:33 pmBrownsville South Padre Is. Intl
Feb 7
BRO6:00 amBrownsville South Padre Is. Intl
7h 09m
2 stops
STL1:09 pmLambert-St Louis
$325
American Airlines
Jan 28
STL7:15 amLambert-St Louis
7h 33m
1 stop
BRO2:48 pmBrownsville South Padre Is. Intl
Feb 1
BRO10:53 amBrownsville South Padre Is. Intl
5h 37m
1 stop
STL4:30 pmLambert-St Louis
$329

United Airlines flights from St. Louis to Brownsville

Our best United Airlines deals on St. Louis to Brownsville flight tickets
United Airlines
Jan 31
STL8:05 amLambert-St Louis
8h 07m
2 stops
BRO4:12 pmBrownsville South Padre Is. Intl
Feb 7
BRO9:30 amBrownsville South Padre Is. Intl
6h 09m
1 stop
STL3:39 pmLambert-St Louis
$299
United Airlines
Feb 19
STL6:00 amLambert-St Louis
5h 36m
1 stop
BRO11:36 amBrownsville South Padre Is. Intl
Feb 25
BRO5:14 pmBrownsville South Padre Is. Intl
5h 00m
1 stop
STL10:14 pmLambert-St Louis
$349
United Airlines
Jan 31
STL8:05 amLambert-St Louis
8h 07m
2 stops
BRO4:12 pmBrownsville South Padre Is. Intl
Feb 7
BRO9:30 amBrownsville South Padre Is. Intl
8h 13m
2 stops
STL5:43 pmLambert-St Louis
$350

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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, momondo users made 832,500 searches. Data last updated January 13, 2026.
Use the filters below to find and compare flights from St. Louis to Brownsville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 1/31

8:05 am-4:12 pm

2 stops8h 07m

Brownsville South Padre Is. Intl

Sat 2/7

9:30 am-3:39 pm

1 stop6h 09m

$299

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 1/31

11:55 am-6:19 pm

1 stop6h 24m

Brownsville South Padre Is. Intl

Sat 2/7

6:00 am-11:03 am

1 stop5h 03m

$314

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 6/3

6:00 pm-11:03 pm

1 stop5h 03m

Brownsville South Padre Is. Intl

Sun 6/7

9:30 am-4:35 pm

1 stop7h 05m

$324

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 1/31

1:40 pm-11:33 pm

2 stops9h 53m

Brownsville South Padre Is. Intl

Sat 2/7

6:00 am-1:09 pm

2 stops7h 09m

$325

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 1/28

7:15 am-2:48 pm

1 stop7h 33m

Brownsville South Padre Is. Intl

Sun 2/1

10:53 am-4:30 pm

1 stop5h 37m

$329

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 1/28

11:05 am-6:19 pm

2 stops7h 14m

Brownsville South Padre Is. Intl

Sun 2/1

6:49 pm-10:59 pm

1 stop4h 10m

$334

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 2/19

6:00 am-11:36 am

1 stop5h 36m

Brownsville South Padre Is. Intl

Wed 2/25

5:14 pm-10:14 pm

1 stop5h 00m

$349

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 1/31

8:05 am-4:12 pm

2 stops8h 07m

Brownsville South Padre Is. Intl

Sat 2/7

9:30 am-5:43 pm

2 stops8h 13m

$350

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 2/21

9:55 am-6:02 pm

2 stops8h 07m

Brownsville South Padre Is. Intl

Wed 2/25

5:14 pm-10:14 pm

1 stop5h 00m

$354

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 2/19

4:13 pm-10:54 pm

1 stop6h 41m

Brownsville South Padre Is. Intl

Tue 2/24

2:58 pm-7:29 pm

1 stop4h 31m

$369

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to Brownsville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Brownsville?

What is the cheapest month to fly to Brownsville?

The month of February is another great option to travel to Brownsville, with average flight prices from St. Louis averaging around $288.

When to book flights from St. Louis to Brownsville

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Brownsville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Brownsville (STL to BRO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Brownsville

Fastest flight time

4h 56m

Direct flights

None
The fastest flight from St. Louis to Brownsville takes 4h 56m
There are no direct flights from St. Louis to Brownsville. There are no popular flight routes from St. Louis to Brownsville.
Search flight deals

  • How far is Lambert-St Louis to Brownsville South Padre Is. Intl by plane?

    There are 975.7 mi between Lambert-St Louis and Brownsville South Padre Is. Intl. 4h 56m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Brownsville South Padre Is. Intl Airport.

  • What documentation or ID do you need to fly to Brownsville South Padre Is. Intl Airport?

    The travel and health documents required for your trip to Brownsville South Padre Is. Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Brownsville South Padre Is. Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Brownsville?

Best airlines flying from St. Louis to Brownsville

Compare and see reviews for airlines that fly from St. Louis to Brownsville with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
American AirlinesPriceFrom $273Free CancellationRating
7.2
11,118 reviews
Search American Airlines flights

Traveling to a place near Brownsville?

Book flights to Brownsville if you plan to visit one of these locations
South Padre Island

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We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Brownsville for you.

Can I find flights from St. Louis to Brownsville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Brownsville flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Brownsville?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brownsville from St. Louis.

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