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

United Airlines can get you from St. Louis to South Padre Island in just under 6h 38m. Your travel time can differ by up to . There are 977 mi between St. Louis and South Padre Island.

In terms of precipitation, rainfall in South Padre Island ranges from 1.1 - 5.9 inches per month. September is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit South Padre Island when rainfall is around 1.1 in.

If weather is an important factor for your trip to South Padre Island, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

What is the cheapest time of day to fly from STL to SO9?

When flying from St. Louis to South Padre Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$329+ Cheap Flights from St. Louis to South Padre Island

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Cheap flight deals from St. Louis to South Padre Island

Cheapest

Best

Last-minute

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 August 12, 2026.

Thu 9/106:43 pm -

1 stop4h 49m

Mon 9/146:37 pm -

1 stop5h 06m

Deal found 8/12

$329

Tue 10/208:00 am -

2 stops10h 13m

Sat 10/249:10 am -

1 stop5h 00m

Deal found 8/8

$334

Tue 8/256:15 am -

1 stop5h 08m

Sat 8/297:15 am -

1 stop6h 58m

Deal found 8/10

$379

Thu 9/103:13 pm -

1 stop6h 46m

Mon 9/149:20 am -

2 stops14h 18m

Deal found 8/11

$414

Sat 8/155:11 pm -

1 stop6h 12m

Sun 8/236:37 pm -

1 stop5h 05m

Deal found 8/7

$424

Sat 8/1512:59 pm -

2 stops9h 00m

Sun 8/234:38 pm -

1 stop5h 49m

Deal found 8/7

$429

Best flights from St. Louis to South Padre Island
Discover carefully curated flight deals from St. Louis to South Padre Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.

Tue 10/203:12 pm -

1 stop6h 38m

Sat 10/249:10 am -

1 stop5h 00m

Deal found 8/8

$329

Sat 8/155:11 pm -

1 stop6h 12m

Sun 8/236:37 pm -

1 stop5h 05m

Deal found 8/7

$424

Tue 8/258:00 am -

2 stops7h 51m

Sat 8/297:15 am -

1 stop6h 58m

Deal found 8/10

$384

Thu 9/103:13 pm -

1 stop6h 46m

Mon 9/149:20 am -

2 stops14h 18m

Deal found 8/11

$414

Sat 8/1512:59 pm -

2 stops9h 00m

Sun 8/234:38 pm -

1 stop5h 49m

Deal found 8/7

$429

Last-minute flights from St. Louis to South Padre Island
Discover last-minute flight deals from St. Louis to South Padre Island. Data last updated August 12, 2026 and is based on user searches.

Sat 8/155:11 pm -

1 stop6h 12m

Sun 8/236:37 pm -

1 stop5h 05m

Deal found 8/7

$424

Sat 8/1512:59 pm -

2 stops9h 00m

Sun 8/234:38 pm -

1 stop5h 49m

Deal found 8/7

$429

Tue 8/256:15 am -

1 stop5h 08m

Sat 8/297:15 am -

1 stop6h 58m

Deal found 8/10

$379

Thu 9/106:43 pm -

1 stop4h 49m

Mon 9/146:37 pm -

1 stop5h 06m

Deal found 8/12

$329

Thu 9/108:00 am -

2 stops10h 13m

Mon 9/144:38 pm -

1 stop5h 52m

Deal found 8/10

$414

Mon 9/283:12 pm -

1 stop6h 38m

Fri 10/24:37 pm -

3 stops28h 44m

Deal found 8/11

$502

Find flight deals from St. Louis to South Padre Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$329 (American Airlines)
Popular in	July
Cheapest in	February
Average price	$318

Provider with most accurate pricing for Lambert-St Louis-Brownsville South Padre Is. Intl flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Brownsville South Padre Is. Intl flights.

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From Lambert-St Louis to South Padre Island

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Highest demand for flights based on searches. 21% potential increase in price ($142 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease ($52 potential savings vs. average RT price).

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Average for round-trip flights in August 2026

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Cheapflights Fare Finder

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

STLBRO

Lambert-St Louis

Tue 10/20

3:12 pm-9:50 pm

1 stop6h 38m

Brownsville South Padre Is. Intl

Sat 10/24

9:10 am-2:10 pm

1 stop5h 00m

$329

St. LouisBrownsville

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

STLBRO

Lambert-St Louis

Tue 8/25

8:00 am-3:51 pm

2 stops7h 51m

Brownsville South Padre Is. Intl

Sat 8/29

7:15 am-2:13 pm

1 stop6h 58m

$384

St. LouisBrownsville

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

STLBRO

Lambert-St Louis

Thu 9/10

3:13 pm-9:59 pm

1 stop6h 46m

Brownsville South Padre Is. Intl

Mon 9/14

9:20 am-11:38 pm

2 stops14h 18m

$414

Quickest round-trip

St. LouisBrownsville

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

STLBRO

Lambert-St Louis

Sat 8/15

5:11 pm-11:23 pm

1 stop6h 12m

Brownsville South Padre Is. Intl

Sun 8/23

6:37 pm-11:42 pm

1 stop5h 05m

$424

St. LouisBrownsville

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

STLBRO

Lambert-St Louis

Sat 8/15

12:59 pm-9:59 pm

2 stops9h 00m

Brownsville South Padre Is. Intl

Sun 8/23

4:38 pm-10:27 pm

1 stop5h 49m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

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.

STL-BRO

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

STL-SO9

STL-BRO

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing South Padre Island

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

10,111 reviews

Reviews

1 / 20

2.0

Mediocre

Isaac,May 2024

SHV - IAH

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

United Airlines

7.4

Good

10,111 reviews

United Airlines

7.4

Good

10,111 reviews

Reviews

1 / 20

2.0

Mediocre

Isaac,May 2024

SHV - IAH

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

American Airlines

7.1

Good

11,911 reviews

United Airlines

7.4

Good

10,111 reviews

Reviews

1 / 20

2.0

Mediocre

Isaac,May 2024

SHV - IAH

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

Related info for your journey

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?
United Airlines can get you from St. Louis to South Padre Island in just under 6h 38m. Your travel time can differ by up to . There are 977 mi between St. Louis and South Padre Island.
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

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Top 3 airlines flying from St. Louis to South Padre Island

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$212	Average$446	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$244	Average$417	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$278	Average$366	FlexibilityNo cancel fee	On-time69%

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$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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Cheap flight deals from St. Louis to South Padre Island

Cheapest flights from St. Louis to South Padre IslandExplore 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 August 12, 2026.

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 August 12, 2026.

Best flights from St. Louis to South Padre IslandDiscover carefully curated flight deals from St. Louis to South Padre Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.

Discover carefully curated flight deals from St. Louis to South Padre Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.

Last-minute flights from St. Louis to South Padre IslandDiscover last-minute flight deals from St. Louis to South Padre Island. Data last updated August 12, 2026 and is based on user searches.

Discover last-minute flight deals from St. Louis to South Padre Island. Data last updated August 12, 2026 and is based on user searches.

Find flight deals from St. Louis to South Padre Island

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Use the filters below to find and compare flights from St. Louis to South Padre Island that are best for you.

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.

Cheapflights Insights

Reviews of airlines servicing South Padre Island

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.

Related info for your journey

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

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

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

How can I 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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to South Padre Island

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Complete your trip

Complete your trip to South Padre Island by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from St. Louis to South Padre Island by cabin class

Find flights from St. Louis to South Padre Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.

St. Louis and South Padre Island flights

Browse other St. Louis and South Padre Island flight options. Last updated on August 12, 2026.

Other flights from St. Louis

Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on August 12, 2026.

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St. Louis to South Padre Island flights

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Top 3 airlines flying from St. Louis to South Padre Island

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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 August 12, 2026.

Best flights from St. Louis to South Padre Island
Discover carefully curated flight deals from St. Louis to South Padre Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.

Last-minute flights from St. Louis to South Padre Island
Discover last-minute flight deals from St. Louis to South Padre Island. Data last updated August 12, 2026 and is based on user searches.