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Cheap flights from Portland to Porto Alegre from $1,035

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Porto Alegre departing on 12/20. 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
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from Portland to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:20 am - 6:15 pmPDX  Portland-POA Porto Alegre Salgado Filho
31h 55m2 stops Los Angeles Santiago Arturo Merino Benitez
Multiple Airlines Logo
1:55 pm - 12:59 pmPOA  Porto Alegre Salgado Filho-PDX Portland
27h 04m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl
$1,489Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
LATAM Airlines Logo
11:52 am - 5:15 pmPDX  Portland-POA Porto Alegre Salgado Filho
24h 23m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
5:40 pm - 7:16 pmPOA  Porto Alegre Salgado Filho-PDX Portland
30h 36m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson
$1,524LATAM Airlines
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
7:18 am - 4:50 pmPDX  Portland-POA Porto Alegre Salgado Filho
29h 32m2 stops Orlando Belo Horizonte Tancredo Neves Intl
Multiple Airlines Logo
1:20 am - 8:46 pmPOA  Porto Alegre Salgado Filho-PDX Portland
23h 26m2 stops Panama City Tocumen Intl Atlanta Hartsfield-Jackson
$1,539Multiple Airlines
Sun, Sep 6 - Sat, Sep 12
LATAM Airlines Logo
6:45 am - 6:40 amPDX  Portland-POA Porto Alegre Salgado Filho
19h 55m2 stops Los Angeles Lima J Chavez Intl
LATAM Airlines Logo
9:15 am - 1:38 pmPOA  Porto Alegre Salgado Filho-PDX Portland
33h 23m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson
$1,550LATAM Airlines
Wed, Oct 28 - Sun, Nov 1
United Airlines Logo
8:30 am - 2:20 pmPDX  Portland-POA Porto Alegre Salgado Filho
24h 50m2 stops Washington, D.C. Dulles Intl Sao Paulo Guarulhos Intl
United Airlines Logo
3:30 pm - 12:13 pmPOA  Porto Alegre Salgado Filho-PDX Portland
25h 43m2 stops Rio de Janeiro–Galeão Intl Houston George Bush Intcntl
$1,573United Airlines
Thu, Nov 5 - Mon, Nov 9
LATAM Airlines Logo
11:52 am - 5:15 pmPDX  Portland-POA Porto Alegre Salgado Filho
24h 23m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl
LATAM Airlines Logo
5:40 pm - 7:16 pmPOA  Porto Alegre Salgado Filho-PDX Portland
30h 36m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson
$1,574LATAM Airlines
Thu, Nov 5 - Mon, Nov 9
Azul Logo
12:55 pm - 1:10 pmPDX  Portland-POA Porto Alegre Salgado Filho
20h 15m2 stops Houston George Bush Intcntl Rio de Janeiro–Galeão Intl
Azul Logo
8:55 pm - 11:54 amPOA  Porto Alegre Salgado Filho-PDX Portland
42h 59m2 stops Sao Paulo Guarulhos Intl Houston George Bush Intcntl
$1,659Azul
Fri, Sep 4 - Sun, Sep 13
GOL Logo
11:34 pm - 10:50 amPDX  Portland-POA Porto Alegre Salgado Filho
31h 16m3 stops Chicago O'Hare Intl Miami Sao Paulo Guarulhos Intl
GOL Logo
6:40 pm - 10:59 amPOA  Porto Alegre Salgado Filho-PDX Portland
20h 19m2 stops Sao Paulo Guarulhos Intl Dallas/Fort Worth
$1,725GOL
Sun, Sep 6 - Sun, Sep 13
Azul Logo
7:45 pm - 3:35 pmPDX  Portland-POA Porto Alegre Salgado Filho
39h 50m3 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl Sao Paulo Guarulhos Intl
Azul Logo
2:05 pm - 2:46 pmPOA  Porto Alegre Salgado Filho-PDX Portland
28h 41m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl San Francisco
$1,739Azul
Mon, Sep 7 - Mon, Sep 14
GOL Logo
11:30 pm - 3:35 pmPDX  Portland-POA Porto Alegre Salgado Filho
36h 05m3 stops Charlotte Douglas Miami Sao Paulo Guarulhos Intl
GOL Logo
6:40 pm - 10:59 amPOA  Porto Alegre Salgado Filho-PDX Portland
20h 19m2 stops Sao Paulo Guarulhos Intl Dallas/Fort Worth
$1,824GOL
Fri, Sep 4 - Sun, Sep 13

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LATAM Airlines flights from Portland to Porto Alegre

Our best LATAM Airlines deals on Portland to Porto Alegre flight tickets
LATAM Airlines
Nov 5
PDX11:52 amPortland
24h 23m
2 stops
POA5:15 pmPorto Alegre Salgado Filho
Nov 9
POA5:40 pmPorto Alegre Salgado Filho
30h 36m
2 stops
PDX7:16 pmPortland
$1,524
LATAM Airlines
Oct 28
PDX6:45 amPortland
19h 55m
2 stops
POA6:40 amPorto Alegre Salgado Filho
Nov 1
POA9:15 amPorto Alegre Salgado Filho
33h 23m
2 stops
PDX1:38 pmPortland
$1,550
LATAM Airlines
Nov 5
PDX11:52 amPortland
24h 23m
2 stops
POA5:15 pmPorto Alegre Salgado Filho
Nov 9
POA5:40 pmPorto Alegre Salgado Filho
30h 36m
2 stops
PDX7:16 pmPortland
$1,574

United Airlines flights from Portland to Porto Alegre

Our best United Airlines deals on Portland to Porto Alegre flight tickets
United Airlines
Nov 5
PDX8:30 amPortland
24h 50m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
Nov 9
POA3:30 pmPorto Alegre Salgado Filho
25h 43m
2 stops
PDX12:13 pmPortland
$1,573
United Airlines
Sep 7
PDX2:27 pmPortland
21h 58m
2 stops
POA4:25 pmPorto Alegre Salgado Filho
Sep 14
POA5:10 pmPorto Alegre Salgado Filho
25h 56m
3 stops
PDX3:06 pmPortland
$1,863

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 12, 2026.
Use the filters below to find and compare flights from Portland to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Mon 9/7

6:20 am-6:15 pm

2 stops31h 55m

Porto Alegre Salgado Filho

Mon 9/14

1:55 pm-12:59 pm

2 stops27h 04m

$1,489

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Thu 11/5

11:52 am-5:15 pm

2 stops24h 23m

Porto Alegre Salgado Filho

Mon 11/9

5:40 pm-7:16 pm

2 stops30h 36m

$1,524

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Sun 9/6

7:18 am-4:50 pm

2 stops29h 32m

Porto Alegre Salgado Filho

Sat 9/12

1:20 am-8:46 pm

2 stops23h 26m

$1,539

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Wed 10/28

6:45 am-6:40 am

2 stops19h 55m

Porto Alegre Salgado Filho

Sun 11/1

9:15 am-1:38 pm

2 stops33h 23m

$1,550
Quickest round-trip

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Thu 11/5

8:30 am-2:20 pm

2 stops24h 50m

Porto Alegre Salgado Filho

Mon 11/9

3:30 pm-12:13 pm

2 stops25h 43m

$1,573

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Thu 11/5

11:52 am-5:15 pm

2 stops24h 23m

Porto Alegre Salgado Filho

Mon 11/9

5:40 pm-7:16 pm

2 stops30h 36m

$1,574

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Fri 9/4

12:55 pm-1:10 pm

2 stops20h 15m

Porto Alegre Salgado Filho

Sun 9/13

8:55 pm-11:54 am

2 stops42h 59m

$1,659

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Sun 9/6

11:34 pm-10:50 am

3 stops31h 16m

Porto Alegre Salgado Filho

Sun 9/13

6:40 pm-10:59 am

2 stops20h 19m

$1,725

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Mon 9/7

7:45 pm-3:35 pm

3 stops39h 50m

Porto Alegre Salgado Filho

Mon 9/14

2:05 pm-2:46 pm

3 stops28h 41m

$1,739

PortlandPorto Alegre

PDX Portland - POA Porto Alegre Salgado Filho

PDXPOA

Portland

Fri 9/4

11:30 pm-3:35 pm

3 stops36h 05m

Porto Alegre Salgado Filho

Sun 9/13

6:40 pm-10:59 am

2 stops20h 19m

$1,824

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Portland to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Portland to Porto Alegre Salgado Filho?

GOL is the most popular carrier operating from Portland to Porto Alegre Salgado Filho

When to book flights from Portland to Porto Alegre

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

Cheap Portland to Porto Alegre (PDX to POA) flight deals and tips

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

Fastest flight time

27h 00m

Direct flights

None
The fastest flight from Portland to Porto Alegre takes 27h 00m
There are no direct flights from Portland to Porto Alegre. There are no popular flight routes from Portland to Porto Alegre.
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Frequently asked questions about flying from Portland to Porto Alegre

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

    A flight from Portland to Porto Alegre Salgado Filho will travel around 6866.6 mi. 27h 00m is a normal flight duration for this route.

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

    Prices for flights from Portland Airport to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Portland 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 Portland 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.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Porto Alegre for you.

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

Flights from Portland to Porto Alegre with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Porto Alegre from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Porto Alegre, momondo offers a useful price alert feature which will track prices for flights to Porto Alegre from Portland and alert you when they change.

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