HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$287+ Cheap flights from San Antonio (SAT) to Porto Alegre (POA)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — POA
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Porto Alegre 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.

Find flight deals from San Antonio to Porto Alegre

Cheapest flights from San Antonio to Porto Alegre
Explore the most affordable flight options available from San Antonio to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/122:13 pmSAT - POA
2 stops18h 22mMultiple Airlines
vie. 12/195:10 amPOA - SAT
3 stops21h 16mMultiple Airlines
Deal found 10/27$1,255
This Ovago deal was found by Cheapflights users on 10/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/128:00 amSAT - POA
2 stops30h 00mLATAM Airlines
vie. 12/198:10 pmPOA - SAT
2 stops19h 20mLATAM Airlines
Deal found 10/27$1,429

Cheap flight deals from San Antonio to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 28, 2025.

Round-trip from

$994
(KAYAK)

One-way from

$287
(Kiwi.com)
From San Antonio to Porto Alegre Salgado Filho
Search Deals
One-way flight from San Antonio to Porto Alegre Salgado Filho
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Porto Alegre 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 octubre 28, 2025.
Use the filters below to find and compare flights from San Antonio to Porto Alegre that are best for you.

Fly from

San Antonio

Fly to

Porto Alegre

Route

Depart

Return

Price

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

vie. 3/6

4:25 pm-5:05 pm

2 stops21h 40m

Porto Alegre Salgado Filho

dom. 3/15

6:40 am-12:14 am

2 stops19h 34m

$994

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

mar. 3/24

12:15 pm-5:00 pm

2 stops26h 45m

Porto Alegre Salgado Filho

sáb. 3/28

6:00 pm-8:27 pm

2 stops28h 27m

$994

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

mar. 3/24

4:25 pm-6:30 am

2 stops36h 05m

Porto Alegre Salgado Filho

sáb. 3/28

6:40 am-12:14 am

2 stops19h 34m

$995

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

vie. 3/6

7:00 am-1:15 pm

2 stops27h 15m

Porto Alegre Salgado Filho

dom. 3/15

12:40 pm-1:13 pm

3 stops50h 33m

$1,228

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

vie. 12/12

2:13 pm-11:35 am

2 stops18h 22m

Porto Alegre Salgado Filho

vie. 12/19

5:10 am-11:26 pm

3 stops21h 16m

$1,255

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

vie. 12/12

8:00 am-5:00 pm

2 stops30h 00m

Porto Alegre Salgado Filho

vie. 12/19

8:10 pm-12:30 pm

2 stops19h 20m

$1,429

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

sáb. 12/6

2:13 pm-8:05 pm

3 stops50h 52m

$287

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

vie. 12/5

2:13 pm-6:40 pm

2 stops25h 27m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Best time to book a flight from San Antonio to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from San Antonio 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.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Antonio to Porto Alegre?

    Airlines like LATAM Airlines and Delta fly from San Antonio to Porto Alegre in about 21h 40m. The time it takes to get you to your destination can typically vary by up to 14h 25m. Airlines will cover a distance of 5154 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from San Antonio to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on San Antonio to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Porto Alegre.

  • Can I find deals for business class flights from San Antonio to Porto Alegre?

    Yes. Cheapflights offers flight deals from San Antonio to Porto Alegre 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 San Antonio to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Porto Alegre flights
Hobby to Porto Alegre flights
Austin to Porto Alegre flights
George Bush Intcntl to Porto Alegre flights

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.