$400+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — POA
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Porto Alegre with Cheapflights
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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
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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
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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 August 19, 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 August 19, 2026.
This Copa Airlines deal was found by Cheapflights users on 8/17. 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 9/1610:00 pm -
1 stop22h 20m
Tue 9/221:20 am -
1 stop21h 09m
Deal found 8/17![Copa Airlines logo]()
$830
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:20 am -
2 stops20h 00m
Wed 9/2310:05 am -
2 stops29h 20m
Deal found 8/17![LATAM Airlines logo]()
$845
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/2211:15 am -
2 stops24h 20m
Thu 10/82:05 pm -
2 stops25h 51m
Deal found 8/15![American Airlines logo]()
$1,205
This BusinessClass deal was found by Cheapflights users on 8/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:30 pm -
2 stops37h 10m
Sat 10/106:40 pm -
2 stops21h 16m
Deal found 8/18![GOL logo]()
$1,293
This KAYAK deal was found by Cheapflights users on 8/15. 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.
Tue 9/2210:04 am -
3 stops25h 31m
Thu 10/86:45 pm -
2 stops21h 11m
Deal found 8/15![GOL logo]()
$1,355
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/1612:04 pm -
2 stops17h 41m
Wed 9/235:10 pm -
3 stops31h 35m
Deal found 8/17![United Airlines logo]()
$1,480
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Sat 10/310:54 am -
3 stops43h 56m
Sat 10/1011:20 am -
3 stops36h 55m
Deal found 8/18![Multiple Airlines logo]()
$1,718
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/169:46 am -
3 stops22h 29m
Wed 9/236:15 pm -
3 stops21h 48m
Deal found 8/17![American Airlines logo]()
$3,547
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 August 19, 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 August 19, 2026.
This Copa Airlines deal was found by Cheapflights users on 8/17. 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 9/1610:00 pm -
1 stop22h 20m
Tue 9/221:20 am -
1 stop21h 09m
Deal found 8/17![Copa Airlines logo]()
$830
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:20 am -
2 stops20h 00m
Wed 9/2310:05 am -
2 stops29h 20m
Deal found 8/17![LATAM Airlines logo]()
$845
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/2211:15 am -
2 stops24h 20m
Thu 10/82:05 pm -
2 stops25h 51m
Deal found 8/15![American Airlines logo]()
$1,205
This BusinessClass deal was found by Cheapflights users on 8/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:30 pm -
2 stops37h 10m
Sat 10/106:40 pm -
2 stops21h 16m
Deal found 8/18![GOL logo]()
$1,293
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Sat 10/310:54 am -
3 stops43h 56m
Sat 10/1011:20 am -
3 stops36h 55m
Deal found 8/18![Multiple Airlines logo]()
$1,718
This KAYAK deal was found by Cheapflights users on 8/15. 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.
Tue 9/2210:04 am -
3 stops25h 31m
Thu 10/86:45 pm -
2 stops21h 11m
Deal found 8/15![GOL logo]()
$1,355
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/169:46 am -
3 stops22h 29m
Wed 9/236:15 pm -
3 stops21h 48m
Deal found 8/17![American Airlines logo]()
$3,547
Last-minute flights from San Diego to Porto AlegreDiscover last-minute flight deals from San Diego to Porto Alegre. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Porto Alegre. Data last updated August 19, 2026 and is based on user searches.
This Copa Airlines deal was found by Cheapflights users on 8/17. 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 9/1610:00 pm -
1 stop22h 20m
Tue 9/221:20 am -
1 stop21h 09m
Deal found 8/17![Copa Airlines logo]()
$830
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:20 am -
2 stops20h 00m
Wed 9/2310:05 am -
2 stops29h 20m
Deal found 8/17![LATAM Airlines logo]()
$845
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/1612:04 pm -
2 stops17h 41m
Wed 9/235:10 pm -
3 stops31h 35m
Deal found 8/17![United Airlines logo]()
$1,480
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/169:46 am -
3 stops22h 29m
Wed 9/236:15 pm -
3 stops21h 48m
Deal found 8/17![American Airlines logo]()
$3,547
This American Airlines deal was found by Cheapflights users on 8/15. 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 9/2211:15 am -
2 stops24h 20m
Thu 10/82:05 pm -
2 stops25h 51m
Deal found 8/15![American Airlines logo]()
$1,205
This KAYAK deal was found by Cheapflights users on 8/15. 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.
Tue 9/2210:04 am -
3 stops25h 31m
Thu 10/86:45 pm -
2 stops21h 11m
Deal found 8/15![GOL logo]()
$1,355
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 August 19, 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 August 19, 2026.
This Copa Airlines deal was found by Cheapflights users on 8/15. 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 9/2710:00 pm -
1 stop22h 20m
Deal found 8/15![Copa Airlines logo]()
$400
This LATAM Airlines deal was found by Cheapflights users on 8/17. 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 8/2510:25 pm -
2 stops27h 55m
Deal found 8/17![LATAM Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:55 am -
2 stops33h 45m
Deal found 8/17![Delta logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Mon 8/243:45 pm -
3 stops52h 30m
Deal found 8/15![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Tue 8/253:45 pm -
3 stops28h 30m
Deal found 8/15![Multiple Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:59 pm -
2 stops28h 21m
Deal found 8/15![Delta logo]()
$468
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Sun 9/276:15 am -
2 stops29h 25m
Deal found 8/15![American Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 8/17. 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 8/256:20 am -
3 stops28h 00m
Deal found 8/17![United Airlines logo]()
$555
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $830 (Copa Airlines) |
One-way from | $400 (Copa Airlines) |
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 August 19, 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
Quickest round-trip
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Wed 9/16
10:00 pm-12:20 am
1 stop22h 20m
Porto Alegre Salgado Filho
Tue 9/22
1:20 am-6:29 pm
1 stop21h 09m
$830
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Wed 9/16
6:20 am-6:20 am
2 stops20h 00m
Porto Alegre Salgado Filho
Wed 9/23
10:05 am-11:25 am
2 stops29h 20m
$845
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Tue 9/22
11:15 am-3:35 pm
2 stops24h 20m
Porto Alegre Salgado Filho
Thu 10/8
2:05 pm-11:56 am
2 stops25h 51m
$1,205
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Sat 10/3
10:30 pm-3:40 pm
2 stops37h 10m
Porto Alegre Salgado Filho
Sat 10/10
6:40 pm-11:56 am
2 stops21h 16m
$1,293
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Tue 9/22
10:04 am-3:35 pm
3 stops25h 31m
Porto Alegre Salgado Filho
Thu 10/8
6:45 pm-11:56 am
2 stops21h 11m
$1,355
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Sat 10/3
10:54 am-10:50 am
3 stops43h 56m
Porto Alegre Salgado Filho
Sat 10/10
11:20 am-8:15 pm
3 stops36h 55m
$1,718
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Wed 9/16
9:46 am-12:15 pm
3 stops22h 29m
Porto Alegre Salgado Filho
Wed 9/23
6:15 pm-12:03 pm
3 stops21h 48m
$3,547
Cheapest one-way
Quickest one-way
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Tue 8/25
10:25 pm-6:20 am
2 stops27h 55m
$403
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Mon 8/24
10:55 am-12:40 am
2 stops33h 45m
$410
San DiegoPorto Alegre
SAN San Diego - POA Porto Alegre Salgado Filho
SANPOA
San Diego
Mon 8/24
3:45 pm-12:15 am
3 stops52h 30m
$436
Showing 1-10 of 14 resultsSorted 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 August 19, 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.
Crew
8.1
Entertainment
6.8
Boarding
7.8
Food
6.9
Comfort
7.4
Overall
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Jul 2026
BOS - PTY
Crew
8.1
Entertainment
6.8
Boarding
7.8
Food
6.9
Comfort
7.4
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
Browse other San Diego and Porto Alegre flight options. Last updated on August 19, 2026.
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Other flights to Porto Alegre
Explore flights to Porto Alegre departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 19, 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 2,558,603 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$499 | Average$685 | FlexibilityNo cancel fee | On-time70% |