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Cheap flights from St. Louis to Brownsville from $319

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Brownsville departing on 7/24. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:22 pm - 12:13 am
STL
-
BRO
4h 51m
1 stop
American Airlines Logo
6:42 pm - 11:58 pm
BRO
-
STL
5h 16m
1 stop
$319American Airlines
Fri, Jul 24 - Wed, Jul 29
American Airlines Logo
7:04 am - 2:17 pm
STL
-
BRO
7h 13m
1 stop
American Airlines Logo
2:47 pm - 7:53 pm
BRO
-
STL
5h 06m
1 stop
$364American Airlines
Wed, Jul 1 - Tue, Jul 7
American Airlines Logo
5:29 am - 10:14 am
STL
-
BRO
4h 45m
1 stop
American Airlines Logo
6:42 pm - 11:59 pm
BRO
-
STL
5h 17m
1 stop
$369American Airlines
Thu, Jun 18 - Mon, Jun 22
American Airlines Logo
5:29 am - 10:14 am
STL
-
BRO
4h 45m
1 stop
American Airlines Logo
6:42 pm - 11:52 pm
BRO
-
STL
5h 10m
1 stop
$389American Airlines
Thu, Jun 11 - Thu, Jul 9
American Airlines Logo
7:20 pm - 12:23 am
STL
-
BRO
5h 03m
1 stop
American Airlines Logo
6:42 pm - 11:59 pm
BRO
-
STL
5h 17m
1 stop
$412American Airlines
Fri, Jun 26 - Sun, Jun 28
American Airlines Logo
5:13 pm - 9:39 pm
STL
-
BRO
4h 26m
1 stop
American Airlines Logo
6:42 pm - 11:58 pm
BRO
-
STL
5h 16m
1 stop
$417American Airlines
Fri, Jul 3 - Mon, Jul 13
United Airlines Logo
11:10 am - 6:37 pm
STL
-
BRO
7h 27m
1 stop
United Airlines Logo
4:44 pm - 10:45 pm
BRO
-
STL
6h 01m
1 stop
$424United Airlines
Tue, Jul 21 - Tue, Jul 28
United Airlines Logo
11:10 am - 6:44 pm
STL
-
BRO
7h 34m
1 stop
United Airlines Logo
9:20 am - 2:15 pm
BRO
-
STL
4h 55m
1 stop
$469United Airlines
Thu, Jul 30 - Tue, Aug 11
United Airlines Logo
11:10 am - 6:37 pm
STL
-
BRO
7h 27m
1 stop
United Airlines Logo
9:20 am - 11:36 pm
BRO
-
STL
14h 16m
2 stops
$474United Airlines
Tue, Jul 21 - Tue, Jul 28
United Airlines Logo
8:00 am - 6:13 pm
STL
-
BRO
10h 13m
2 stops
United Airlines Logo
12:05 pm - 10:00 pm
BRO
-
STL
9h 55m
2 stops
$479United Airlines
Tue, Aug 11 - Wed, Aug 19

American Airlines flights from St. Louis to Brownsville

Our best American Airlines deals on St. Louis to Brownsville flight tickets
American Airlines
Jul 24
STL7:22 pmLambert-St Louis
4h 51m
1 stop
BRO12:13 amBrownsville South Padre Is. Intl
Jul 29
BRO6:42 pmBrownsville South Padre Is. Intl
5h 16m
1 stop
STL11:58 pmLambert-St Louis
$319
American Airlines
Jul 1
STL7:04 amLambert-St Louis
7h 13m
1 stop
BRO2:17 pmBrownsville South Padre Is. Intl
Jul 7
BRO2:47 pmBrownsville South Padre Is. Intl
5h 06m
1 stop
STL7:53 pmLambert-St Louis
$364
American Airlines
Jun 18
STL5:29 amLambert-St Louis
4h 45m
1 stop
BRO10:14 amBrownsville South Padre Is. Intl
Jun 22
BRO6:42 pmBrownsville South Padre Is. Intl
5h 17m
1 stop
STL11:59 pmLambert-St Louis
$369

United Airlines flights from St. Louis to Brownsville

Our best United Airlines deals on St. Louis to Brownsville flight tickets
United Airlines
Jul 21
STL11:10 amLambert-St Louis
7h 27m
1 stop
BRO6:37 pmBrownsville South Padre Is. Intl
Jul 28
BRO4:44 pmBrownsville South Padre Is. Intl
6h 01m
1 stop
STL10:45 pmLambert-St Louis
$424
United Airlines
Jul 30
STL11:10 amLambert-St Louis
7h 34m
1 stop
BRO6:44 pmBrownsville South Padre Is. Intl
Aug 11
BRO9:20 amBrownsville South Padre Is. Intl
4h 55m
1 stop
STL2:15 pmLambert-St Louis
$469
United Airlines
Jul 21
STL11:10 amLambert-St Louis
7h 27m
1 stop
BRO6:37 pmBrownsville South Padre Is. Intl
Jul 28
BRO9:20 amBrownsville South Padre Is. Intl
14h 16m
2 stops
STL11:36 pmLambert-St Louis
$474

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 June 4, 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

Cheapest round-trip

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Fri 7/24

7:22 pm-12:13 am

1 stop4h 51m

Brownsville South Padre Is. Intl

Wed 7/29

6:42 pm-11:58 pm

1 stop5h 16m

$319

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 7/1

7:04 am-2:17 pm

1 stop7h 13m

Brownsville South Padre Is. Intl

Tue 7/7

2:47 pm-7:53 pm

1 stop5h 06m

$364

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 6/18

5:29 am-10:14 am

1 stop4h 45m

Brownsville South Padre Is. Intl

Mon 6/22

6:42 pm-11:59 pm

1 stop5h 17m

$369

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 6/11

5:29 am-10:14 am

1 stop4h 45m

Brownsville South Padre Is. Intl

Thu 7/9

6:42 pm-11:52 pm

1 stop5h 10m

$389

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Fri 6/26

7:20 pm-12:23 am

1 stop5h 03m

Brownsville South Padre Is. Intl

Sun 6/28

6:42 pm-11:59 pm

1 stop5h 17m

$412
Quickest round-trip

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Fri 7/3

5:13 pm-9:39 pm

1 stop4h 26m

Brownsville South Padre Is. Intl

Mon 7/13

6:42 pm-11:58 pm

1 stop5h 16m

$417

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 7/21

11:10 am-6:37 pm

1 stop7h 27m

Brownsville South Padre Is. Intl

Tue 7/28

4:44 pm-10:45 pm

1 stop6h 01m

$424

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Thu 7/30

11:10 am-6:44 pm

1 stop7h 34m

Brownsville South Padre Is. Intl

Tue 8/11

9:20 am-2:15 pm

1 stop4h 55m

$469

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 7/21

11:10 am-6:37 pm

1 stop7h 27m

Brownsville South Padre Is. Intl

Tue 7/28

9:20 am-11:36 pm

2 stops14h 16m

$474

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 8/11

8:00 am-6:13 pm

2 stops10h 13m

Brownsville South Padre Is. Intl

Wed 8/19

12:05 pm-10:00 pm

2 stops9h 55m

$479

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 $258.

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

5h 12m

Direct flights

None
The fastest flight from St. Louis to Brownsville takes 5h 12m
There are no direct flights from St. Louis to Brownsville. There are no popular flight routes from St. Louis to Brownsville.
Search flight deals

Frequently asked questions about flying from St. Louis to Brownsville

  • 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. 5h 12m 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
American AirlinesPriceFrom $276Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,773 reviews
Search United 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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