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Cheap flights from Oregon to Porto Alegre from $1,327

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Porto Alegre departing on 8/31. 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.

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Find the cheapest flights from Oregon to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:15 pm - 9:45 am
PDX
-
POA
54h 30m
2 stops
United Airlines Logo
3:25 pm - 8:20 pm
POA
-
PDX
32h 55m
2 stops
$1,327United Airlines
Mon, Aug 31 - Fri, Sep 11
Multiple Airlines Logo
7:15 am - 6:15 pm
PDX
-
POA
31h 00m
2 stops
Multiple Airlines Logo
7:25 am - 11:44 pm
POA
-
PDX
20h 19m
2 stops
$1,406Multiple Airlines
Mon, May 25 - Mon, Jun 1
Multiple Airlines Logo
11:51 am - 3:05 pm
PDX
-
POA
23h 14m
2 stops
Multiple Airlines Logo
7:25 am - 6:38 pm
POA
-
PDX
39h 13m
2 stops
$1,450Multiple Airlines
Mon, May 4 - Mon, May 11
United Airlines Logo
11:30 pm - 2:20 pm
PDX
-
POA
34h 50m
2 stops
United Airlines Logo
5:10 pm - 8:20 pm
POA
-
PDX
31h 10m
2 stops
$1,486United Airlines
Sat, Aug 1 - Fri, Aug 14
LATAM Airlines Logo
10:55 pm - 9:20 am
PDX
-
POA
30h 25m
2 stops
LATAM Airlines Logo
8:05 pm - 6:55 pm
POA
-
PDX
26h 50m
3 stops
$1,590LATAM Airlines
Sat, Aug 1 - Fri, Aug 14
Air Canada Logo
10:10 am - 2:05 pm
PDX
-
POA
23h 55m
3 stops
Air Canada Logo
3:25 pm - 2:51 pm
POA
-
PDX
27h 26m
3 stops
$1,624Air Canada
Mon, Aug 31 - Fri, Sep 11
Air Canada Logo
7:45 pm - 2:20 pm
PDX
-
POA
38h 35m
3 stops
Air Canada Logo
3:45 pm - 7:10 pm
POA
-
PDX
31h 25m
3 stops
$1,748Air Canada
Mon, May 4 - Mon, May 11
United Airlines Logo
8:04 am - 4:20 pm
PDX
-
POA
28h 16m
2 stops
United Airlines Logo
3:45 pm - 1:15 pm
POA
-
PDX
25h 30m
3 stops
$2,071United Airlines
Mon, May 4 - Mon, May 11
Air Canada Logo
10:10 am - 2:05 pm
PDX
-
POA
23h 55m
3 stops
Air Canada Logo
3:30 pm - 2:45 pm
POA
-
PDX
27h 15m
3 stops
$2,204Air Canada
Mon, May 25 - Mon, Jun 1
Multiple Airlines Logo
7:45 pm - 9:20 am
PDX
-
POA
33h 35m
3 stops
Multiple Airlines Logo
4:45 am - 7:11 pm
POA
-
PDX
42h 26m
3 stops
$2,251Multiple Airlines
Sat, Aug 1 - Fri, Aug 14

United Airlines flights from Oregon to Porto Alegre

Our best United Airlines deals on Oregon to Porto Alegre flight tickets
United Airlines
Aug 31
PDX11:15 pmPortland
54h 30m
2 stops
POA9:45 amPorto Alegre Salgado Filho
Sep 11
POA3:25 pmPorto Alegre Salgado Filho
32h 55m
2 stops
PDX8:20 pmPortland
$1,327
United Airlines
Aug 1
PDX11:30 pmPortland
34h 50m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
Aug 14
POA5:10 pmPorto Alegre Salgado Filho
31h 10m
2 stops
PDX8:20 pmPortland
$1,486

Air Canada flights from Oregon to Porto Alegre

Our best Air Canada deals on Oregon to Porto Alegre flight tickets
Air Canada
Aug 31
PDX10:10 amPortland
23h 55m
3 stops
POA2:05 pmPorto Alegre Salgado Filho
Sep 11
POA3:25 pmPorto Alegre Salgado Filho
27h 26m
3 stops
PDX2:51 pmPortland
$1,624
Air Canada
May 25
PDX10:10 amPortland
23h 55m
3 stops
POA2:05 pmPorto Alegre Salgado Filho
Jun 1
POA3:30 pmPorto Alegre Salgado Filho
27h 15m
3 stops
PDX2:45 pmPortland
$2,204

momondo Fare Finder

 
Customize your flight search to find flights from Oregon 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 April 11, 2026.
Use the filters below to find and compare flights from Oregon to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 8/31

11:15 pm-9:45 am

2 stops54h 30m

Porto Alegre Salgado Filho

Fri 9/11

3:25 pm-8:20 pm

2 stops32h 55m

$1,327

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 5/25

7:15 am-6:15 pm

2 stops31h 00m

Porto Alegre Salgado Filho

Mon 6/1

7:25 am-11:44 pm

2 stops20h 19m

$1,406

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 5/4

11:51 am-3:05 pm

2 stops23h 14m

Porto Alegre Salgado Filho

Mon 5/11

7:25 am-6:38 pm

2 stops39h 13m

$1,450

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Sat 8/1

11:30 pm-2:20 pm

2 stops34h 50m

Porto Alegre Salgado Filho

Fri 8/14

5:10 pm-8:20 pm

2 stops31h 10m

$1,486

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Sat 8/1

10:55 pm-9:20 am

2 stops30h 25m

Porto Alegre Salgado Filho

Fri 8/14

8:05 pm-6:55 pm

3 stops26h 50m

$1,590

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 8/31

10:10 am-2:05 pm

3 stops23h 55m

Porto Alegre Salgado Filho

Fri 9/11

3:25 pm-2:51 pm

3 stops27h 26m

$1,624

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 5/4

7:45 pm-2:20 pm

3 stops38h 35m

Porto Alegre Salgado Filho

Mon 5/11

3:45 pm-7:10 pm

3 stops31h 25m

$1,748

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 5/4

8:04 am-4:20 pm

2 stops28h 16m

Porto Alegre Salgado Filho

Mon 5/11

3:45 pm-1:15 pm

3 stops25h 30m

$2,071
Quickest round-trip

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Mon 5/25

10:10 am-2:05 pm

3 stops23h 55m

Porto Alegre Salgado Filho

Mon 6/1

3:30 pm-2:45 pm

3 stops27h 15m

$2,204

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Sat 8/1

7:45 pm-9:20 am

3 stops33h 35m

Porto Alegre Salgado Filho

Fri 8/14

4:45 am-7:11 pm

3 stops42h 26m

$2,251

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Oregon to Porto Alegre flight deals and tips

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

Fastest flight time

54h 30m

Direct flights

None
The fastest flight from Oregon to Porto Alegre takes 54h 30m
There are no direct flights from Oregon to Porto Alegre. There are no popular flight routes from Oregon to Porto Alegre.
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Frequently asked questions about flying from Oregon to Porto Alegre

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

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

  • How old do you have to be to fly from Oregon 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 Oregon 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 you'll need for your trip to Porto Alegre Salgado Filho Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Alegre Salgado Filho Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Oregon to Porto Alegre

  • How do I get Price Alerts for flights from Oregon to Porto Alegre?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Oregon from Porto Alegre. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Oregon to Porto Alegre with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

It is quick and easy to find Oregon to Porto Alegre flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto Alegre that suits you.

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

momondo does allow users to show only those flights to Porto Alegre from Oregon which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto Alegre from Oregon.

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

Of course. momondo tracks the price of Oregon to Porto Alegre flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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