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Cheap flights from San Diego to Porto Alegre from $400

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Porto Alegre departing on 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from San Diego to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
10:00 pm - 12:20 amSAN  San Diego-POA Porto Alegre Salgado Filho
22h 20m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:20 am - 6:29 pmPOA  Porto Alegre Salgado Filho-SAN San Diego
21h 09m1 stop Panama City Tocumen Intl
$789Copa Airlines
Sun, Sep 20 - Sat, Sep 26
Copa Airlines Logo
10:00 pm - 12:20 amSAN  San Diego-POA Porto Alegre Salgado Filho
22h 20m1 stop Panama City Tocumen Intl
Copa Airlines Logo
1:25 am - 6:27 pmPOA  Porto Alegre Salgado Filho-SAN San Diego
21h 02m1 stop Panama City Tocumen Intl
$789Copa Airlines
Mon, Oct 5 - Wed, Oct 28
LATAM Airlines Logo
7:59 pm - 6:15 pmSAN  San Diego-POA Porto Alegre Salgado Filho
42h 16m2 stops Los Angeles Los Angeles Santiago Arturo Merino Benitez
LATAM Airlines Logo
5:50 pm - 11:54 pmPOA  Porto Alegre Salgado Filho-SAN San Diego
34h 04m2 stops Sao Paulo Guarulhos Intl Los Angeles Los Angeles
$846LATAM Airlines
Mon, Aug 17 - Wed, Aug 26
LATAM Airlines Logo
6:20 am - 5:00 pmSAN  San Diego-POA Porto Alegre Salgado Filho
30h 40m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
7:30 am - 9:42 amPOA  Porto Alegre Salgado Filho-SAN San Diego
30h 12m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$849LATAM Airlines
Mon, Oct 5 - Thu, Oct 29
Multiple Airlines Logo
7:59 pm - 6:15 pmSAN  San Diego-POA Porto Alegre Salgado Filho
42h 16m2 stops Los Angeles Los Angeles Santiago Arturo Merino Benitez
Multiple Airlines Logo
1:15 am - 6:30 pmPOA  Porto Alegre Salgado Filho-SAN San Diego
21h 15m1 stop Panama City Tocumen Intl
$863Multiple Airlines
Mon, Aug 17 - Tue, Aug 25
Multiple Airlines Logo
10:30 pm - 7:20 pmSAN  San Diego-POA Porto Alegre Salgado Filho
40h 50m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
Multiple Airlines Logo
5:50 pm - 9:35 pmPOA  Porto Alegre Salgado Filho-SAN San Diego
31h 45m2 stops Sao Paulo Guarulhos Intl Boston Logan Intl
$891Multiple Airlines
Sat, Oct 3 - Wed, Oct 21
LATAM Airlines Logo
6:15 am - 6:15 pmSAN  San Diego-POA Porto Alegre Salgado Filho
32h 00m2 stops Los Angeles Los Angeles Santiago Arturo Merino Benitez
LATAM Airlines Logo
7:30 am - 9:42 amPOA  Porto Alegre Salgado Filho-SAN San Diego
30h 12m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson
$907LATAM Airlines
Thu, Oct 8 - Thu, Oct 29
LATAM Airlines Logo
7:59 pm - 9:10 amSAN  San Diego-POA Porto Alegre Salgado Filho
33h 11m2 stops Los Angeles Los Angeles Sao Paulo Guarulhos Intl
LATAM Airlines Logo
7:05 pm - 10:10 amPOA  Porto Alegre Salgado Filho-SAN San Diego
19h 05m2 stops Santiago Arturo Merino Benitez Los Angeles Los Angeles
$936LATAM Airlines
Thu, Sep 3 - Mon, Sep 7
LATAM Airlines Logo
12:38 pm - 7:15 pmSAN  San Diego-POA Porto Alegre Salgado Filho
26h 37m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
5:40 pm - 10:17 amPOA  Porto Alegre Salgado Filho-SAN San Diego
21h 37m2 stops Santiago Arturo Merino Benitez Los Angeles Los Angeles
$949LATAM Airlines
Wed, Oct 28 - Sun, Nov 1
American Airlines Logo
1:53 pm - 3:35 pmSAN  San Diego-POA Porto Alegre Salgado Filho
21h 42m2 stops Dallas/Fort Worth Sao Paulo Guarulhos Intl
American Airlines Logo
7:35 pm - 11:56 amPOA  Porto Alegre Salgado Filho-SAN San Diego
20h 21m2 stops Sao Paulo Guarulhos Intl Miami
$972American Airlines
Fri, Oct 9 - Thu, Oct 29

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LATAM Airlines flights from San Diego to Porto Alegre

Our best LATAM Airlines deals on San Diego to Porto Alegre flight tickets
LATAM Airlines
Aug 17
SAN7:59 pmSan Diego
42h 16m
2 stops
POA6:15 pmPorto Alegre Salgado Filho
Aug 26
POA5:50 pmPorto Alegre Salgado Filho
34h 04m
2 stops
SAN11:54 pmSan Diego
$846
LATAM Airlines
Oct 5
SAN6:20 amSan Diego
30h 40m
2 stops
POA5:00 pmPorto Alegre Salgado Filho
Oct 29
POA7:30 amPorto Alegre Salgado Filho
30h 12m
2 stops
SAN9:42 amSan Diego
$849
LATAM Airlines
Oct 8
SAN6:15 amSan Diego
32h 00m
2 stops
POA6:15 pmPorto Alegre Salgado Filho
Oct 29
POA7:30 amPorto Alegre Salgado Filho
30h 12m
2 stops
SAN9:42 amSan Diego
$907

United Airlines flights from San Diego to Porto Alegre

Our best United Airlines deals on San Diego to Porto Alegre flight tickets
United Airlines
Aug 13
SAN6:20 amSan Diego
28h 00m
3 stops
POA2:20 pmPorto Alegre Salgado Filho
Aug 17
POA5:15 pmPorto Alegre Salgado Filho
22h 02m
2 stops
SAN11:17 amSan Diego
$1,182
United Airlines
Aug 13
SAN6:20 amSan Diego
28h 00m
3 stops
POA2:20 pmPorto Alegre Salgado Filho
Aug 17
POA5:15 pmPorto Alegre Salgado Filho
28h 31m
2 stops
SAN5:46 pmSan Diego
$1,272
United Airlines
Oct 28
SAN6:45 amSan Diego
27h 50m
3 stops
POA2:35 pmPorto Alegre Salgado Filho
Nov 1
POA4:05 pmPorto Alegre Salgado Filho
24h 41m
2 stops
SAN11:46 amSan Diego
$1,460

momondo 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, momondo users made 832,500 searches. Data last updated August 7, 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

Price

Cheapest round-trip

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Sun 9/20

10:00 pm-12:20 am

1 stop22h 20m

Porto Alegre Salgado Filho

Sat 9/26

1:20 am-6:29 pm

1 stop21h 09m

$789

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Mon 10/5

10:00 pm-12:20 am

1 stop22h 20m

Porto Alegre Salgado Filho

Wed 10/28

1:25 am-6:27 pm

1 stop21h 02m

$789

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Mon 8/17

7:59 pm-6:15 pm

2 stops42h 16m

Porto Alegre Salgado Filho

Wed 8/26

5:50 pm-11:54 pm

2 stops34h 04m

$846

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Mon 10/5

6:20 am-5:00 pm

2 stops30h 40m

Porto Alegre Salgado Filho

Thu 10/29

7:30 am-9:42 am

2 stops30h 12m

$849

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Mon 8/17

7:59 pm-6:15 pm

2 stops42h 16m

Porto Alegre Salgado Filho

Tue 8/25

1:15 am-6:30 pm

1 stop21h 15m

$863

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Sat 10/3

10:30 pm-7:20 pm

2 stops40h 50m

Porto Alegre Salgado Filho

Wed 10/21

5:50 pm-9:35 pm

2 stops31h 45m

$891

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Thu 10/8

6:15 am-6:15 pm

2 stops32h 00m

Porto Alegre Salgado Filho

Thu 10/29

7:30 am-9:42 am

2 stops30h 12m

$907

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Thu 9/3

7:59 pm-9:10 am

2 stops33h 11m

Porto Alegre Salgado Filho

Mon 9/7

7:05 pm-10:10 am

2 stops19h 05m

$936

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Wed 10/28

12:38 pm-7:15 pm

2 stops26h 37m

Porto Alegre Salgado Filho

Sun 11/1

5:40 pm-10:17 am

2 stops21h 37m

$949
Quickest round-trip

San DiegoPorto Alegre

SAN San Diego - POA Porto Alegre Salgado Filho

SANPOA

San Diego

Fri 10/9

1:53 pm-3:35 pm

2 stops21h 42m

Porto Alegre Salgado Filho

Thu 10/29

7:35 pm-11:56 am

2 stops20h 21m

$972

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from San Diego to Porto Alegre

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Can stopping save me money on San Diego to Porto Alegre flights?

You could potentially save up to 51% on your flight if you consider stops on a San Diego to Porto Alegre flight.

When to book flights from San Diego to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Porto Alegre (SAN to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Porto Alegre

Fastest flight time

21h 25m

Direct flights

None
The fastest flight from San Diego to Porto Alegre takes 21h 25m
There are no direct flights from San Diego to Porto Alegre. There are no popular flight routes from San Diego to Porto Alegre.
Search flight deals

Frequently asked questions about flying from San Diego to Porto Alegre

  • How far is San Diego to Porto Alegre Salgado Filho by plane?

    There are 6109.1 mi between San Diego and Porto Alegre Salgado Filho. Flights usually cover this in 21h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Diego Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from San Diego Airport to Porto Alegre Salgado Filho Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Porto Alegre Salgado Filho Airport?

  • How old do you have to be to fly from San Diego Airport to Porto Alegre Salgado Filho Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Diego to Porto Alegre?

Best airlines flying from San Diego to Porto Alegre

Compare and see reviews for airlines that fly from San Diego to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $499Free CancellationRating
7.6
1,563 reviews
Search Copa Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Porto Alegre?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Porto Alegre. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Diego to Porto Alegre with flexible booking policies on momondo?

Yes. All flights to Porto Alegre from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Diego to Porto Alegre?

Once you have performed a search for San Diego to Porto Alegre flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Diego to Porto Alegre right now. Can momondo alert me if prices change?

Price alerts on flights to Porto Alegre from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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