$448+ Cheap flights from San Diego (SAN) 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — POA
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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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
Best
Last-minute
One-way
Cheapest flights from San Diego to Porto AlegreExplore 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 September 6, 2026.
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 September 6, 2026.
This GOL deal was found by Cheapflights users on 9/5. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:56 pm -
2 stops22h 39m
Tue 10/277:40 pm -
2 stops20h 16m
Deal found 9/5![GOL logo]()
$1,123
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 10/209:57 am -
3 stops20h 53m
Tue 10/277:40 pm -
2 stops20h 16m
Deal found 9/5![American Airlines logo]()
$2,350
Best flights from San Diego to Porto AlegreDiscover carefully curated flight deals from San Diego to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from San Diego to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
This GOL deal was found by Cheapflights users on 9/5. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:56 pm -
2 stops22h 39m
Tue 10/277:40 pm -
2 stops20h 16m
Deal found 9/5![GOL logo]()
$1,123
This Copa Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 2/225:00 pm -
2 stops26h 35m
Sun 3/71:40 am -
1 stop20h 52m
Deal found 9/5![Copa Airlines logo]()
$1,171
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/229:00 am -
3 stops45h 00m
Mon 3/87:35 pm -
3 stops43h 13m
Deal found 9/5![Multiple Airlines logo]()
$1,233
This Copa Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 2/215:00 pm -
2 stops26h 35m
Thu 3/41:40 am -
1 stop20h 52m
Deal found 9/5![Copa Airlines logo]()
$1,171
Last-minute flights from San Diego to Porto AlegreDiscover last-minute flight deals from San Diego to Porto Alegre. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Porto Alegre. Data last updated September 6, 2026 and is based on user searches.
This GOL deal was found by Cheapflights users on 9/5. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:56 pm -
2 stops22h 39m
Tue 10/277:40 pm -
2 stops20h 16m
Deal found 9/5![GOL logo]()
$1,123
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 10/209:57 am -
3 stops20h 53m
Tue 10/277:40 pm -
2 stops20h 16m
Deal found 9/5![American Airlines logo]()
$2,350
One-way flights from San Diego to Porto AlegreSearch for one-way flight options from San Diego to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from San Diego to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:25 am -
3 stops37h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$448
This Copa Airlines deal was found by Cheapflights users on 9/6. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:30 pm -
1 stop21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Copa Airlines logo]()
$2,835
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $973 (LATAM Airlines) |
One-way from | $448 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 6, 2026.
Use the filters below to find and compare flights from San Diego to Porto Alegre that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Wed 9/30
2:20 pm-6:15 pm
2 stops47h 55m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$557
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Tue 10/20
12:56 pm-3:35 pm
2 stops22h 39m
Porto Alegre Salgado Filho
Tue 10/27
7:40 pm-11:56 am
2 stops20h 16m
$1,123
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Mon 2/22
5:00 pm-12:35 am
2 stops26h 35m
Porto Alegre Salgado Filho
Sun 3/7
1:40 am-5:32 pm
1 stop20h 52m
$1,171
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Sun 2/21
5:00 pm-12:35 am
2 stops26h 35m
Porto Alegre Salgado Filho
Thu 3/4
1:40 am-5:32 pm
1 stop20h 52m
$1,171
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Mon 2/22
9:00 am-11:00 am
3 stops45h 00m
Porto Alegre Salgado Filho
Mon 3/8
7:35 pm-9:48 am
3 stops43h 13m
$1,233
Quickest round-trip
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Wed 9/30
10:30 pm-12:20 am
1 stop21h 50m
Porto Alegre Salgado Filho
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$2,835
Sorted by cheapest first
- 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.
SAN-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.
Reviews of airlines servicing Porto Alegre
Get insights into the airlines that provide service to Porto Alegre. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto Alegre. Reviews last updated September 6, 2026.
Read through reviews of airlines operating flights from San Diego to Porto Alegre, such as Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.4
Entertainment
6.9
Crew
8.1
Boarding
7.8
Food
6.9
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - PTY
Comfort
7.4
Entertainment
6.9
Crew
8.1
Boarding
7.8
Food
6.9
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - PTY
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.
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San Diego and Porto Alegre flights
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Explore flights to Porto Alegre departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 6, 2026.
Top airline flying from San Diego to Porto Alegre
Discover the top airline that operate flights from San Diego to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$499 | Average$789 | FlexibilityNo cancel fee | On-time70% |