HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$315+ Cheap flights from San Diego (SAN) 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — POA
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego 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 Diego to Porto Alegre

Cheapest flights from San Diego to Porto Alegre
Explore the most affordable flight options available from San Diego to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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 3/171:05 pm
SAN
-
POA
2 stops21h 20m
United Airlines
Thu 3/193:30 pm
POA
-
SAN
2 stops31h 03m
United Airlines
Deal found 2/8$811
This KAYAK deal was found by Cheapflights users on 2/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:00 am
SAN
-
POA
2 stops26h 40m
LATAM Airlines
Wed 12/22:20 pm
POA
-
SAN
2 stops27h 48m
LATAM Airlines
Deal found 2/9$820
This Copa Airlines deal was found by Cheapflights users on 2/9. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:26 pm
SAN
-
POA
2 stops25h 04m
Copa Airlines
Tue 12/11:45 am
POA
-
SAN
1 stop20h 56m
Copa Airlines
Deal found 2/9$1,065
This American Airlines deal was found by Cheapflights users on 2/9. 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 11/208:25 am
SAN
-
POA
3 stops21h 10m
American Airlines
Wed 12/27:40 pm
POA
-
SAN
2 stops21h 02m
American Airlines
Deal found 2/9$2,541

Find flight deals from San Diego to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$811
(United Airlines)

One-way from

$315
(Copa Airlines)
Provider with most accurate pricing for San Diego-Porto Alegre Salgado Filho flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Porto Alegre Salgado Filho flights.
Search Deals
From San Diego to Porto Alegre Salgado Filho
Search Deals
One-way flight from San Diego to Porto Alegre Salgado Filho
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 February 11, 2026.
Use the filters below to find and compare flights from San Diego to Porto Alegre that are best for you.

Fly from

San Diego

Fly to

Porto Alegre

Route

Depart

Return

Price

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Tue 3/17

1:05 pm-2:25 pm

2 stops21h 20m

Porto Alegre Salgado Filho

Thu 3/19

3:30 pm-6:33 pm

2 stops31h 03m

$811

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Mon 3/16

9:18 pm-12:25 am

1 stop23h 07m

$315

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Mon 3/16

1:01 pm-5:45 pm

2 stops24h 44m

$325

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Mon 3/16

10:13 pm-12:25 am

3 stops46h 12m

$342

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Fri 6/26

9:06 pm-12:20 am

1 stop23h 14m

$413

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Fri 6/26

10:25 pm-11:35 pm

2 stops21h 10m

$485

San DiegoPorto Alegre

SAN - POA

SANPOA

San Diego

Fri 6/26

6:15 am-4:10 pm

2 stops29h 55m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Compare providers for flights from San Diego 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 Diego to Porto Alegre in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-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 Diego-Porto Alegre flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-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 Diego-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 Diego to Porto Alegre

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

    A quick flight from San Diego to Porto Alegre can take about 21h 20m. United Airlines provides one of the quickest options available for as low as $811. There are 6112 mi between San Diego and Porto Alegre.

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

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

  • How can I find direct flights from San Diego 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 Diego to Porto Alegre.

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

    Yes. Cheapflights offers flight deals from San Diego 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.

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.