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South Padre Island

$190+ Cheap flights from St. Louis (STL) to South Padre Island, TX

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MFE
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
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 March 24, 2026.

This American Airlines deal was found by Cheapflights users on 3/22. 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 5/307:20 pm
STL
-
BRO
1 stop5h 03m
American Airlines
Wed 6/106:42 pm
BRO
-
STL
1 stop5h 17m
American Airlines
Deal found 3/22$339
This American Airlines deal was found by Cheapflights users on 3/19. 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 4/35:12 am
STL
-
BRO
1 stop5h 05m
American Airlines
Tue 4/76:24 pm
BRO
-
STL
1 stop4h 35m
American Airlines
Deal found 3/19$369
This American Airlines deal was found by Cheapflights users on 3/20. 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 4/48:00 am
STL
-
BRO
2 stops11h 18m
American Airlines
Wed 4/810:42 am
BRO
-
STL
2 stops11h 35m
American Airlines
Deal found 3/20$379
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 6/25:25 am
STL
-
BRO
1 stop4h 49m
American Airlines
Sat 6/66:42 pm
BRO
-
STL
1 stop5h 17m
American Airlines
Deal found 3/23$399
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/124:44 pm
STL
-
BRO
1 stop5h 15m
United Airlines
Wed 5/205:17 pm
BRO
-
STL
1 stop5h 13m
United Airlines
Deal found 3/23$419
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/127:45 am
STL
-
BRO
2 stops10h 43m
United Airlines
Tue 5/195:17 pm
BRO
-
STL
1 stop5h 13m
United Airlines
Deal found 3/23$424
This American Airlines deal was found by Cheapflights users on 3/23. 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 6/67:00 am
STL
-
BRO
2 stops11h 12m
American Airlines
Tue 6/166:42 pm
BRO
-
STL
1 stop5h 17m
American Airlines
Deal found 3/23$440
This United Airlines deal was found by Cheapflights users on 3/22. 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 9/191:18 pm
STL
-
BRO
2 stops8h 37m
United Airlines
Wed 9/239:20 am
BRO
-
STL
2 stops12h 02m
United Airlines
Deal found 3/22$444
This United Airlines deal was found by Cheapflights users on 3/19. 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 5/56:00 am
STL
-
BRO
1 stop5h 27m
United Airlines
Wed 5/65:17 pm
BRO
-
STL
1 stop5h 13m
United Airlines
Deal found 3/19$459

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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(American Airlines)

One-way from

$190
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$477
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
One-way flight from Lambert-St Louis to South Padre Island
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 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 March 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 March 24, 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

Sat 4/4

4:13 pm-10:54 pm

1 stop6h 41m

Brownsville South Padre Is. Intl

Wed 4/8

10:42 am-5:21 pm

1 stop6h 39m

$369

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Sat 9/19

3:02 pm-9:55 pm

1 stop6h 53m

Brownsville South Padre Is. Intl

Wed 9/23

7:15 am-2:08 pm

1 stop6h 53m

$419
Quickest round-trip

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 5/13

6:00 am-11:27 am

1 stop5h 27m

Brownsville South Padre Is. Intl

Tue 5/19

5:17 pm-10:30 pm

1 stop5h 13m

$419

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 5/12

9:21 am-9:59 pm

2 stops12h 38m

Brownsville South Padre Is. Intl

Wed 5/20

5:17 pm-10:30 pm

1 stop5h 13m

$424

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Tue 5/5

10:14 am-4:24 pm

1 stop6h 10m

Brownsville South Padre Is. Intl

Wed 5/6

5:17 pm-10:30 pm

1 stop5h 13m

$459

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Mon 6/8

8:35 am-3:57 pm

1 stop7h 22m

Brownsville South Padre Is. Intl

Wed 6/17

12:10 pm-9:16 pm

2 stops9h 06m

$464
Cheapest one-way
Quickest one-way

St. LouisBrownsville

STL - BRO

STLBRO

Lambert-St Louis

Wed 4/15

6:11 pm-10:53 pm

1 stop4h 42m

$190

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

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

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 June is currently the most expensive (average of $336). 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 March 24, 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
9,467 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,467 reviews
United Airlines
7.4
Good
9,467 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.1
Good
11,492 reviews
United Airlines
7.4
Good
9,467 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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 6h 41m. Your travel time can differ by up to 12m. 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 June is currently the most expensive (average of $336). 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$212Average$436FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$216Average$362FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$258Average$349FlexibilityNo cancel feeOn-time69%

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