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Porto Alegre

$1,273+ Cheap flights from San Antonio (SAT) to Porto Alegre (POA)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — POA
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
1 adult, Economy
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Cheap 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 June 8, 2026.

This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:15 pm
SAT
-
POA
2 stops21h 30m
LATAM Airlines
Thu 12/107:25 am
POA
-
SAT
2 stops20h 03m
LATAM Airlines
Deal found 6/6$1,273
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/196:40 am
SAT
-
POA
2 stops31h 15m
United Airlines
Sun 7/2611:15 am
POA
-
SAT
2 stops23h 12m
United Airlines
Deal found 6/3$1,619

Find 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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,619
(United Airlines)
Provider with most accurate pricing for San Antonio-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Porto Alegre Salgado Filho flights.
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From San Antonio to Porto Alegre Salgado Filho
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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 June 8, 2026.
Use the filters below to find and compare flights from San Antonio to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San AntonioPorto Alegre

SAT - POA

SATPOA

San Antonio

Sun 7/19

6:40 am-3:55 pm

2 stops31h 15m

Porto Alegre Salgado Filho

Sun 7/26

11:15 am-8:27 am

2 stops23h 12m

$1,619

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on San Antonio-Porto Alegre flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Porto Alegre flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Porto Alegre flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Porto Alegre flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 United Airlines fly from San Antonio to Porto Alegre in about 31h 15m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5154 mi.

  • 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.

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