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South Padre Island

$279+ Cheap flights from St. Louis (STL) to South Padre Island, TX

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MFE
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from St. Louis to South Padre Island

Cheapest flights from St. Louis to South Padre Island
Explore the most affordable flight options available from St. Louis to South Padre Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 5/66:00 am
STL
-
BRO
1 stop5h 27m
United Airlines
Tue 5/125:17 pm
BRO
-
STL
1 stop5h 13m
United Airlines
Deal found 1/27$279
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 5/67:05 am
STL
-
BRO
2 stops12h 01m
American Airlines
Tue 5/126:24 pm
BRO
-
STL
1 stop4h 40m
American Airlines
Deal found 1/27$284
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 5/105:20 am
STL
-
BRO
1 stop4h 54m
American Airlines
Sat 5/1610:44 am
BRO
-
STL
1 stop6h 37m
American Airlines
Deal found 1/27$294
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/167:00 am
STL
-
BRO
1 stop7h 27m
American Airlines
Thu 2/1910:47 am
BRO
-
STL
1 stop6h 26m
American Airlines
Deal found 1/27$344
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Tue 10/278:50 am
STL
-
BRO
1 stop6h 48m
United Airlines
Sat 10/3112:07 pm
BRO
-
STL
1 stop4h 28m
United Airlines
Deal found 1/28$349
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/166:00 am
STL
-
BRO
2 stops12h 14m
American Airlines
Fri 2/2010:47 am
BRO
-
STL
1 stop6h 26m
American Airlines
Deal found 1/28$374
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 2/116:00 am
STL
-
BRO
1 stop5h 31m
United Airlines
Sun 2/155:14 pm
BRO
-
STL
1 stop5h 00m
United Airlines
Deal found 1/27$384
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/136:00 am
STL
-
BRO
1 stop5h 19m
United Airlines
Fri 4/1712:06 pm
BRO
-
STL
2 stops10h 50m
United Airlines
Deal found 1/26$450
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sun 2/16:00 am
STL
-
BRO
1 stop5h 31m
United Airlines
Tue 2/35:25 pm
BRO
-
STL
1 stop4h 34m
United Airlines
Deal found 1/28$489

Find flight deals from St. Louis to South Padre Island

Keep the following information in mind while searching for St. Louis to South Padre Island flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$358
Provider with most accurate pricing for Lambert-St Louis-Brownsville South Padre Is. Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Brownsville South Padre Is. Intl flights.
Search Deals
From Lambert-St Louis to South Padre Island
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to South Padre Island 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 January 29, 2026.
Use the filters below to find and compare flights from St. Louis to South Padre Island that are best for you.

Fly from

St. Louis

Fly to

South Padre Island

Route

Depart

Return

Price

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Mon 2/16

7:00 am-2:27 pm

1 stop7h 27m

Brownsville South Padre Is. Intl

Thu 2/19

10:47 am-5:13 pm

1 stop6h 26m

$344

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Mon 2/16

5:12 am-10:17 am

1 stop5h 05m

Brownsville South Padre Is. Intl

Fri 2/20

10:47 am-5:13 pm

1 stop6h 26m

$369

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 2/11

6:00 am-11:31 am

1 stop5h 31m

Brownsville South Padre Is. Intl

Sun 2/15

5:14 pm-10:14 pm

1 stop5h 00m

$384

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Mon 4/13

6:00 am-11:19 am

1 stop5h 19m

Brownsville South Padre Is. Intl

Fri 4/17

12:06 pm-10:56 pm

2 stops10h 50m

$450

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sun 2/1

6:00 am-11:31 am

1 stop5h 31m

Brownsville South Padre Is. Intl

Tue 2/3

5:25 pm-9:59 pm

1 stop4h 34m

$489

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 3/17

7:40 am-6:50 pm

2 stops11h 10m

Brownsville South Padre Is. Intl

Sun 3/22

5:15 am-9:21 am

1 stop4h 06m

$509

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 3/10

10:05 am-4:22 pm

1 stop6h 17m

Brownsville South Padre Is. Intl

Sun 3/15

5:25 pm-10:16 pm

1 stop4h 51m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from St. Louis to South Padre Island

Have a flexible travel schedule? Discover the best time to fly to South Padre Island from St. Louis 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 St. Louis to South Padre Island

What is the cheapest month to book a flight from St. Louis to South Padre Island?

Currently, May is the cheapest month in which you can book a flight from St. Louis to South Padre Island (average of $196). Flying from St. Louis to South Padre Island in July is currently the most expensive (average of $313). 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.

Reviews of airlines servicing South Padre Island

Get insights into the airlines that provide service to South Padre Island. 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 South Padre Island. Reviews last updated January 29, 2026.
See what other customers who have flown with United Airlines and American Airlines from St. Louis to South Padre Island have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,205 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from St. Louis to South Padre Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to South Padre Island?

    For a flight from St. Louis to South Padre Island, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to South Padre Island per day. 3 airlines have flights to South Padre Island from Lambert-St Louis on a regular basis.

  • How long is the flight from St. Louis to South Padre Island?

    American Airlines and United Airlines can get you from St. Louis to South Padre Island in just under 5h 31m. Your travel time can differ by up to 1h 56m. There are 977 mi between St. Louis and South Padre Island. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from St. Louis to South Padre Island that include hotel bookings?

    Yes. In addition to deals on St. Louis to South Padre Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to South Padre Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to South Padre Island.

  • Can I find deals for business class flights from St. Louis to South Padre Island?

    Yes. Cheapflights offers flight deals from St. Louis to South Padre Island 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 St. Louis to South Padre Island?

    Currently, May is the cheapest month in which you can book a flight from St. Louis to South Padre Island (average of $196). Flying from St. Louis to South Padre Island in July is currently the most expensive (average of $313). 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 3 airlines flying from St. Louis to South Padre Island

Discover the top 3 airlines that operate flights from St. Louis to South Padre Island. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$196Average$309FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$335FlexibilityNo cancel feeOn-time69%

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