$949+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — POA
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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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.Cheap flight deals from San Antonio to Porto Alegre
Cheapest
Best
One-way
Cheapest flights from San Antonio to Porto AlegreExplore 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 October 26, 2026.
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 October 26, 2026.
This Ovago deal was found by Cheapflights users on 10/25. 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.
Wed 12/97:38 am -
2 stops20h 02m
Wed 12/165:15 am -
2 stops31h 33m
Deal found 10/25![LATAM Airlines logo]()
$1,291
This Ovago deal was found by Cheapflights users on 10/21. 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.
Sun 12/610:54 am -
2 stops26h 56m
Sun 12/135:25 am -
2 stops31h 23m
Deal found 10/21![LATAM Airlines logo]()
$1,292
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:32 pm -
3 stops31h 48m
Wed 12/165:30 am -
3 stops29h 31m
Deal found 10/25![Multiple Airlines logo]()
$1,699
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:47 pm -
3 stops33h 58m
Sun 12/137:40 pm -
3 stops40h 17m
Deal found 10/21![Multiple Airlines logo]()
$1,874
Best flights from San Antonio to Porto AlegreDiscover carefully curated flight deals from San Antonio to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from San Antonio to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/78:00 am -
2 stops29h 50m
Sun 3/1410:45 am -
2 stops25h 09m
Deal found 10/22![LATAM Airlines logo]()
$1,286
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:32 pm -
3 stops31h 48m
Wed 12/165:30 am -
3 stops29h 31m
Deal found 10/25![Multiple Airlines logo]()
$1,699
This Ovago deal was found by Cheapflights users on 10/25. 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.
Wed 12/97:38 am -
2 stops20h 02m
Wed 12/165:15 am -
2 stops31h 33m
Deal found 10/25![LATAM Airlines logo]()
$1,291
This Ovago deal was found by Cheapflights users on 10/21. 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.
Sun 12/610:54 am -
2 stops26h 56m
Sun 12/135:25 am -
2 stops31h 23m
Deal found 10/21![LATAM Airlines logo]()
$1,292
This LATAM Airlines deal was found by Cheapflights users on 10/25. 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.
Tue 3/302:10 pm -
2 stops20h 05m
Sat 4/37:30 am -
2 stops18h 58m
Deal found 10/25![LATAM Airlines logo]()
$1,407
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:47 pm -
3 stops33h 58m
Sun 12/137:40 pm -
3 stops40h 17m
Deal found 10/21![Multiple Airlines logo]()
$1,874
One-way flights from San Antonio to Porto AlegreSearch for one-way flight options from San Antonio to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from San Antonio to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This VIAZA deal was found by Cheapflights users on 10/23. 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 VIAZA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/84:25 pm -
2 stops23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![LATAM Airlines logo]()
$949
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Fri 1/89:00 am -
3 stops27h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$1,026
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,286 (Cheapflightsfares) |
One-way from | $949 (VIAZA) |
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 7,457,451 searches. Data last updated October 26, 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
Cheapest round-trip
Quickest round-trip
San AntonioPorto Alegre
SAT San Antonio - POA Porto Alegre Salgado Filho
SATPOA
San Antonio
Fri 1/8
9:00 am-3:00 pm
3 stops27h 00m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$1,026
San AntonioPorto Alegre
SAT San Antonio - POA Porto Alegre Salgado Filho
SATPOA
San Antonio
Sun 3/7
8:00 am-4:50 pm
2 stops29h 50m
Porto Alegre Salgado Filho
Sun 3/14
10:45 am-9:54 am
2 stops25h 09m
$1,286
San AntonioPorto Alegre
SAT San Antonio - POA Porto Alegre Salgado Filho
SATPOA
San Antonio
Wed 12/9
7:38 am-6:40 am
2 stops20h 02m
Porto Alegre Salgado Filho
Wed 12/16
5:15 am-9:48 am
2 stops31h 33m
$1,291
San AntonioPorto Alegre
SAT San Antonio - POA Porto Alegre Salgado Filho
SATPOA
San Antonio
Sun 12/6
10:54 am-4:50 pm
2 stops26h 56m
Porto Alegre Salgado Filho
Sun 12/13
5:25 am-9:48 am
2 stops31h 23m
$1,292
San AntonioPorto Alegre
SAT San Antonio - POA Porto Alegre Salgado Filho
SATPOA
San Antonio
Tue 3/30
2:10 pm-12:15 pm
2 stops20h 05m
Porto Alegre Salgado Filho
Sat 4/3
7:30 am-12:28 am
2 stops18h 58m
$1,407
San AntonioPorto Alegre
SAT San Antonio - POA Porto Alegre Salgado Filho
SATPOA
San Antonio
Wed 12/9
12:32 pm-11:20 pm
3 stops31h 48m
Porto Alegre Salgado Filho
Wed 12/16
5:30 am-8:01 am
3 stops29h 31m
$1,699
San AntonioPorto Alegre
SAT San Antonio - POA Porto Alegre Salgado Filho
SATPOA
San Antonio
Sun 12/6
8:47 pm-9:45 am
3 stops33h 58m
Porto Alegre Salgado Filho
Sun 12/13
7:40 pm-8:57 am
3 stops40h 17m
$1,874
Sorted by cheapest first
Compare providers for flights from San Antonio to Porto Alegre
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Porto Alegre in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
SAT-POA
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.
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