HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$360+ Cheap flights from Porto Alegre (POA) to San Diego (SAN)

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
POA — SAN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Porto Alegre to San Diego 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 Porto Alegre to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Porto Alegre (POA) to San Diego (SAN). 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 September 11, 2025.

Round-trip from

$598
(United Airlines)

One-way from

$360
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$635
From Porto Alegre Salgado Filho to San Diego
Search Deals
One-way flight from Porto Alegre Salgado Filho to San Diego
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Porto Alegre to San Diego

Cheapest flights from Porto Alegre to San Diego
Explore the most affordable flight options available from Porto Alegre to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:10 pmPOA - SAN
2 stops30h 52mUnited Airlines
Mon 10/2010:15 pmSAN - POA
2 stops36h 20mUnited Airlines
Deal found 9/9$600
This Copa Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 9/301:25 amPOA - SAN
1 stop20h 32mCopa Airlines
Mon 10/209:12 pmSAN - POA
1 stop23h 08mCopa Airlines
Deal found 9/10$616
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/16:40 pmPOA - SAN
3 stops21h 17mAmerican Airlines
Mon 10/2012:30 pmSAN - POA
2 stops20h 55mAmerican Airlines
Deal found 9/10$2,428

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto Alegre to San Diego 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 September 11, 2025.
Use the filters below to find and compare flights from Porto Alegre to San Diego that are best for you.

Fly from

Porto Alegre

Fly to

San Diego

Route

Depart

Return

Price

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Wed 10/1

5:10 pm-6:10 pm

2 stops29h 00m

San Diego

Mon 10/20

7:28 pm-2:35 pm

3 stops39h 07m

$600

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Tue 2/10

5:10 pm-8:49 pm

3 stops32h 39m

San Diego

Fri 2/20

10:51 am-3:05 pm

2 stops23h 14m

$600

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Wed 2/18

5:10 pm-10:20 am

2 stops22h 10m

San Diego

Sun 2/22

5:42 pm-2:35 pm

2 stops39h 53m

$600

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Tue 9/30

1:25 am-5:57 pm

1 stop20h 32m

San Diego

Mon 10/20

9:12 pm-12:20 am

1 stop23h 08m

$616

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Wed 1/28

3:25 pm-10:04 am

2 stops23h 39m

San Diego

Mon 2/9

8:00 am-4:10 pm

2 stops27h 10m

$690

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Tue 1/27

3:25 pm-8:49 pm

3 stops34h 24m

San Diego

Mon 2/9

8:00 am-4:10 pm

2 stops27h 10m

$690

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Tue 1/27

6:10 pm-8:49 pm

3 stops31h 39m

San Diego

Sat 2/14

9:55 pm-2:35 pm

2 stops35h 40m

$690

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Wed 1/28

2:05 pm-8:47 pm

2 stops35h 42m

San Diego

Sat 2/14

9:55 pm-2:35 pm

2 stops35h 40m

$690

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Fri 9/19

5:10 pm-8:19 pm

2 stops31h 09m

$360

Porto AlegreSan Diego

POA - SAN

POASAN

Porto Alegre Salgado Filho

Sat 9/20

11:30 am-11:40 am

2 stops28h 10m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 14 results
1
2

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

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

Cheapflights Insights

Everything you need to know about your flight from Porto Alegre to San Diego

What is the cheapest month to book a flight from Porto Alegre to San Diego?

Currently, August is the cheapest month in which you can book a flight from Porto Alegre to San Diego (average of $286). Flying from Porto Alegre to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Porto Alegre to San Diego. 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 Porto Alegre to San Diego?

    Departing from Porto Alegre to San Diego will take you 29h. The distance between Porto Alegre and San Diego is about 6112 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto Alegre to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto Alegre to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Porto Alegre to San Diego (average of $286). Flying from Porto Alegre to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

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 Porto Alegre to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Porto Alegre to Los Angeles flights
Porto Alegre to Las Vegas flights
Porto Alegre to San Francisco 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.