HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Padre Island

$329+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MFE
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to South Padre Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 10, 2026.

This American Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 9/106:43 pm
STL
-
BRO
1 stop4h 49m
American Airlines
Mon 9/146:37 pm
BRO
-
STL
1 stop5h 06m
American Airlines
Deal found 6/9$329
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 8/155:11 pm
STL
-
BRO
1 stop6h 12m
American Airlines
Wed 8/1910:43 am
BRO
-
STL
1 stop7h 22m
American Airlines
Deal found 6/9$369
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 6/265:18 pm
STL
-
BRO
1 stop7h 05m
American Airlines
Sun 6/285:30 am
BRO
-
STL
1 stop7h 19m
American Airlines
Deal found 6/9$379
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 6/206:14 am
STL
-
BRO
1 stop5h 12m
United Airlines
Wed 6/244:44 pm
BRO
-
STL
1 stop6h 01m
United Airlines
Deal found 6/5$407
This United Airlines deal was found by Cheapflights users on 6/7. 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 10/288:50 am
STL
-
BRO
1 stop6h 48m
United Airlines
Sat 10/3112:07 pm
BRO
-
STL
1 stop4h 28m
United Airlines
Deal found 6/7$409
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 8/2912:59 pm
STL
-
BRO
2 stops9h 00m
United Airlines
Tue 9/19:20 am
BRO
-
STL
2 stops14h 18m
United Airlines
Deal found 6/8$419
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Fri 7/35:30 am
STL
-
BRO
1 stop4h 35m
American Airlines
Mon 7/66:42 pm
BRO
-
STL
1 stop5h 16m
American Airlines
Deal found 6/6$422
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/82:57 pm
STL
-
BRO
1 stop6h 55m
United Airlines
Tue 7/147:20 am
BRO
-
STL
2 stops8h 26m
United Airlines
Deal found 6/9$472
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/108:10 am
STL
-
BRO
2 stops10h 27m
United Airlines
Tue 6/164:44 pm
BRO
-
STL
1 stop6h 01m
United Airlines
Deal found 6/9$474

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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$398
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. 16% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 10, 2026.
Use the filters below to find and compare flights from St. Louis to South Padre Island 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

Fri 7/31

6:42 pm-12:04 am

1 stop5h 22m

$329

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 7/8

9:44 am-2:17 pm

1 stop4h 33m

Brownsville South Padre Is. Intl

Tue 7/14

6:42 pm-11:58 pm

1 stop5h 16m

$329

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 8/15

5:11 pm-11:23 pm

1 stop6h 12m

Brownsville South Padre Is. Intl

Wed 8/19

10:43 am-6:05 pm

1 stop7h 22m

$369

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 6/20

6:14 am-11:26 am

1 stop5h 12m

Brownsville South Padre Is. Intl

Wed 6/24

4:44 pm-10:45 pm

1 stop6h 01m

$407
Quickest round-trip

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 10/28

11:00 am-3:38 pm

1 stop4h 38m

Brownsville South Padre Is. Intl

Sat 10/31

12:07 pm-4:35 pm

1 stop4h 28m

$409

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 8/29

8:00 am-6:13 pm

2 stops10h 13m

Brownsville South Padre Is. Intl

Tue 9/1

7:15 am-2:15 pm

1 stop7h 00m

$414

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sun 7/19

5:32 am-10:12 am

1 stop4h 40m

Brownsville South Padre Is. Intl

Mon 7/27

6:42 pm-11:58 pm

1 stop5h 16m

$422

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 8/15

8:00 am-3:51 pm

2 stops7h 51m

Brownsville South Padre Is. Intl

Wed 8/19

12:05 pm-10:00 pm

2 stops9h 55m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Sorted by cheapest first

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

How much does it cost to fly round-trip from St. Louis to South Padre Island?

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 June 10, 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
9,796 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,796 reviews
United Airlines
7.4
Good
9,796 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,640 reviews
United Airlines
7.4
Good
9,796 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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. 2 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 4h 51m. Your travel time can differ by up to 21m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to South Padre Island

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Dallas/Fort Worth flights
Kansas City to Dallas/Fort Worth flights
Kansas City to Hobby flights
St. Louis to Hobby flights
Kansas City to George Bush Intcntl flights
St. Louis to George Bush Intcntl flights
St. Louis to Austin flights
Kansas City to Austin flights
St. Louis to San Antonio flights
St. Louis to Love Field flights
Kansas City to Love Field flights
Columbia to Dallas/Fort Worth flights
Kansas City to San Antonio flights
Springfield to Dallas/Fort Worth flights
Springfield to Hobby flights
Springfield to George Bush Intcntl flights
Columbia to Hobby flights
Columbia to George Bush Intcntl flights
St. Louis to El Paso flights
St. Louis to McAllen flights
Columbia to San Antonio flights
Kansas City to El Paso flights
Springfield to Austin flights
St. Louis to Corpus Christi flights
Kansas City to McAllen flights
Joplin to Dallas/Fort Worth flights
Springfield to San Antonio flights
Kansas City to Corpus Christi flights
St. Louis to Amarillo flights
Kansas City to Brownsville flights
St. Louis to Lubbock flights
Kansas City to Harlingen flights
St. Louis to Brownsville flights
Springfield to Corpus Christi flights
Springfield to El Paso flights
Kansas City to Amarillo flights
St. Louis to Harlingen flights
St. Louis to Abilene flights
Columbia to Austin flights
Springfield to McAllen flights
St. Louis to Midland flights
Springfield to Love Field flights
St. Louis to Waco flights
Joplin to San Antonio flights
Kansas City to Lubbock flights
Kansas City to Killeen flights
Joplin to Hobby flights
Joplin to Austin flights
St. Louis to Longview flights

Top 2 airlines flying from St. Louis to South Padre Island

Discover the top 2 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$212Average$444FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$216Average$362FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.