What is the cheapest airline that flies from Lambert-St Louis to Brownsville South Padre Is. Intl?

American Airlines and United Airlines are the most popular carriers operating from Lambert-St Louis to Brownsville South Padre Is. Intl

What airlines fly to Brownsville?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Brownsville from St. Louis according to our data. American Airlines is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Brownsville. Keep in mind that there are 3 different airlines that fly to Brownsville on a routine basis, so you have a few additional options to choose from.

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?

As of September 2026, there are 2 operators available to choose from 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.

$329 Cheap Flights from St. Louis to Brownsville in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Brownsville

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 am - 10:05 amSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

4h 25m1 stop Dallas/Fort Worth

3:37 pm - 9:59 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

6h 22m1 stop Dallas/Fort Worth

$329American Airlines

Thu, Oct 8 - Thu, Oct 15

6:15 am - 11:30 amSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

5h 15m1 stop Houston George Bush Intcntl

9:05 am - 2:05 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

5h 00m1 stop Houston George Bush Intcntl

$329United Airlines

Fri, Jan 1 - Wed, Jan 6

3:12 pm - 9:50 pmSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

6h 38m1 stop Houston George Bush Intcntl

7:15 am - 2:10 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

6h 55m1 stop Houston George Bush Intcntl

$329United Airlines

Sat, Oct 10 - Tue, Oct 13

6:15 am - 11:30 amSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

5h 15m1 stop Houston George Bush Intcntl

7:00 am - 4:53 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

9h 53m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$334United Airlines

Fri, Jan 1 - Wed, Jan 6

3:12 pm - 9:50 pmSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

6h 38m1 stop Houston George Bush Intcntl

4:37 pm - 10:30 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

5h 53m1 stop Houston George Bush Intcntl

$349United Airlines

Sat, Oct 10 - Mon, Oct 12

5:43 am - 10:09 amSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

4h 26m1 stop Dallas/Fort Worth

5:49 am - 12:15 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

6h 26m1 stop Dallas/Fort Worth

$379American Airlines

Fri, Sep 25 - Tue, Sep 29

8:29 am - 3:09 pmSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

6h 40m1 stop Dallas/Fort Worth

3:39 pm - 9:59 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

6h 20m1 stop Dallas/Fort Worth

$427American Airlines

Thu, Dec 10 - Sun, Dec 13

5:40 am - 10:05 amSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

4h 25m1 stop Dallas/Fort Worth

10:39 am - 12:19 amBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

13h 40m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$503American Airlines

Thu, Oct 8 - Thu, Oct 15

5:00 am - 10:04 amSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

5h 04m1 stop Dallas/Fort Worth

3:39 pm - 10:14 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

6h 35m1 stop Dallas/Fort Worth

$617American Airlines

Sat, Nov 21 - Sat, Nov 21

5:59 pm - 8:05 amSTL Lambert-St Louis-BRO Brownsville South Padre Is. Intl

14h 06m1 stop Orlando

4:50 pm - 4:19 pmBRO Brownsville South Padre Is. Intl-STL Lambert-St Louis

23h 29m2 stops Monterrey Gen Mariano Escobedo Cancun

$774Multiple Airlines

Sun, Nov 22 - Sun, Nov 29

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United Airlines flights from St. Louis to Brownsville

Our best United Airlines deals on St. Louis to Brownsville flight tickets

United Airlines

Jan 1

STL6:15 amLambert-St Louis

5h 15m

1 stop

BRO11:30 amBrownsville South Padre Is. Intl

Jan 6

BRO7:00 amBrownsville South Padre Is. Intl

9h 53m

2 stops

STL4:53 pmLambert-St Louis

$334

United Airlines

Oct 10

STL3:12 pmLambert-St Louis

6h 38m

1 stop

BRO9:50 pmBrownsville South Padre Is. Intl

Oct 12

BRO4:37 pmBrownsville South Padre Is. Intl

5h 53m

1 stop

STL10:30 pmLambert-St Louis

$349

United Airlines

Oct 10

STL10:27 amLambert-St Louis

11h 23m

2 stops

BRO9:50 pmBrownsville South Padre Is. Intl

Oct 12

BRO4:37 pmBrownsville South Padre Is. Intl

5h 53m

1 stop

STL10:30 pmLambert-St Louis

$354

American Airlines flights from St. Louis to Brownsville

Our best American Airlines deals on St. Louis to Brownsville flight tickets

American Airlines

Oct 8

STL5:40 amLambert-St Louis

4h 25m

1 stop

BRO10:05 amBrownsville South Padre Is. Intl

Oct 15

BRO3:37 pmBrownsville South Padre Is. Intl

6h 22m

1 stop

STL9:59 pmLambert-St Louis

$329

American Airlines

Sep 25

STL5:43 amLambert-St Louis

4h 26m

1 stop

BRO10:09 amBrownsville South Padre Is. Intl

Sep 29

BRO5:49 amBrownsville South Padre Is. Intl

6h 26m

1 stop

STL12:15 pmLambert-St Louis

$379

American Airlines

Dec 10

STL8:29 amLambert-St Louis

6h 40m

1 stop

BRO3:09 pmBrownsville South Padre Is. Intl

Dec 13

BRO3:39 pmBrownsville South Padre Is. Intl

6h 20m

1 stop

STL9:59 pmLambert-St Louis

$427

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Thu 10/8

5:40 am-10:05 am

1 stop4h 25m

Brownsville South Padre Is. Intl

Thu 10/15

3:37 pm-9:59 pm

1 stop6h 22m

$329

Quickest round-trip

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Fri 1/1

6:15 am-11:30 am

1 stop5h 15m

Brownsville South Padre Is. Intl

Wed 1/6

9:05 am-2:05 pm

1 stop5h 00m

$329

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Sat 10/10

3:12 pm-9:50 pm

1 stop6h 38m

Brownsville South Padre Is. Intl

Tue 10/13

7:15 am-2:10 pm

1 stop6h 55m

$329

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Fri 1/1

6:15 am-11:30 am

1 stop5h 15m

Brownsville South Padre Is. Intl

Wed 1/6

7:00 am-4:53 pm

2 stops9h 53m

$334

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Sat 10/10

3:12 pm-9:50 pm

1 stop6h 38m

Brownsville South Padre Is. Intl

Mon 10/12

4:37 pm-10:30 pm

1 stop5h 53m

$349

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Fri 9/25

5:43 am-10:09 am

1 stop4h 26m

Brownsville South Padre Is. Intl

Tue 9/29

5:49 am-12:15 pm

1 stop6h 26m

$379

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Thu 12/10

8:29 am-3:09 pm

1 stop6h 40m

Brownsville South Padre Is. Intl

Sun 12/13

3:39 pm-9:59 pm

1 stop6h 20m

$427

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Thu 10/8

5:40 am-10:05 am

1 stop4h 25m

Brownsville South Padre Is. Intl

Thu 10/15

10:39 am-12:19 am

2 stops13h 40m

$503

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Sat 11/21

5:00 am-10:04 am

1 stop5h 04m

Brownsville South Padre Is. Intl

Sat 11/21

3:39 pm-10:14 pm

1 stop6h 35m

$617

St. LouisBrownsville

STL Lambert-St Louis - BRO Brownsville South Padre Is. Intl

STLBRO

Lambert-St Louis

Sun 11/22

5:59 pm-8:05 am

1 stop14h 06m

Brownsville South Padre Is. Intl

Sun 11/29

4:50 pm-4:19 pm

2 stops23h 29m

$774

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

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

Best Price Found	$484
Fastest flight time	4h 36m
Direct flights	None

The best one-way flight to Brownsville from St. Louis in the past 72 hours is $484. The best round-trip flight deal from St. Louis to Brownsville found on momondo in the last 72 hours is $329.

The fastest flight from St. Louis to Brownsville takes 4h 36m

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. 4h 36m 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?
As of September 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Brownsville is American Airlines (68% of total bookings). The next most popular airline is United Airlines (32%).

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 Airlines	PriceFrom $276	Free Cancellation	Rating 7.1 12,045 reviews		Search American Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 10,194 reviews		Search United Airlines flights

South Padre Island

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

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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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Cheap flights from St. Louis to Brownsville from $329

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 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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What is the cheapest month to fly to Brownsville?

What is the cheapest airline that flies from Lambert-St Louis to Brownsville South Padre Is. Intl?

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