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Porto Alegre

$1,110+ Cheap flights from Portland (PDX) 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.
PDX — POA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portland to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 11, 2025.

Round-trip from

$1,110
(LATAM Airlines)
From Portland to Porto Alegre Salgado Filho
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Find flight deals from Portland to Porto Alegre

Cheapest flights from Portland to Porto Alegre
Explore the most affordable flight options available from Portland to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This LATAM Airlines deal was found by Cheapflights users on 9/9. 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 9/3011:42 amPDX - POA
2 stops28h 08mLATAM Airlines
Fri 10/310:10 amPOA - PDX
2 stops29h 54mLATAM Airlines
Deal found 9/9$1,110
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:54 amPDX - POA
2 stops28h 06mGOL
Sat 1/101:40 pmPOA - PDX
2 stops27h 40mGOL
Deal found 9/10$2,093
This Travelocity deal was found by Cheapflights users on 9/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:40 pmPDX - POA
2 stops47h 00mMultiple Airlines
Fri 1/94:45 amPOA - PDX
2 stops44h 14mMultiple Airlines
Deal found 9/10$2,359
This GOL deal was found by Cheapflights users on 9/11. 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.
Sat 11/812:04 pmPDX - POA
2 stops25h 36mGOL
Sun 1/45:55 pmPOA - PDX
2 stops22h 05mGOL
Deal found 9/11$2,452
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/88:20 amPDX - POA
2 stops26h 05mUnited Airlines
Sun 1/43:10 pmPOA - PDX
3 stops32h 38mUnited Airlines
Deal found 9/11$3,122
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Fri 12/199:50 amPDX - POA
3 stops24h 15mAir Canada
Sat 1/104:55 pmPOA - PDX
3 stops26h 50mAir Canada
Deal found 9/10$3,264
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 12/1911:55 pmPDX - POA
2 stops33h 35mUnited Airlines
Sat 1/103:45 pmPOA - PDX
3 stops32h 03mUnited Airlines
Deal found 9/10$4,026

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Portland to Porto Alegre that are best for you.

Fly from

Portland

Fly to

Porto Alegre

Route

Depart

Return

Price

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Tue 9/30

11:42 am-7:50 pm

2 stops28h 08m

Porto Alegre Salgado Filho

Fri 10/3

10:10 am-12:04 pm

2 stops29h 54m

$1,110

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Fri 12/19

11:54 am-9:00 pm

2 stops28h 06m

Porto Alegre Salgado Filho

Sat 1/10

1:40 pm-12:20 pm

2 stops27h 40m

$2,093

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Fri 12/19

1:40 pm-5:40 pm

2 stops47h 00m

Porto Alegre Salgado Filho

Fri 1/9

4:45 am-7:59 pm

2 stops44h 14m

$2,359

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Sat 11/8

12:04 pm-6:40 pm

2 stops25h 36m

Porto Alegre Salgado Filho

Sun 1/4

5:55 pm-11:00 am

2 stops22h 05m

$2,452

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Sat 11/8

8:20 am-3:25 pm

2 stops26h 05m

Porto Alegre Salgado Filho

Sun 1/4

3:10 pm-6:48 pm

3 stops32h 38m

$3,122

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Fri 12/19

9:50 am-3:05 pm

3 stops24h 15m

Porto Alegre Salgado Filho

Sat 1/10

4:55 pm-2:45 pm

3 stops26h 50m

$3,264

PortlandPorto Alegre

PDX - POA

PDXPOA

Portland

Fri 12/19

11:55 pm-2:30 pm

2 stops33h 35m

Porto Alegre Salgado Filho

Sat 1/10

3:45 pm-6:48 pm

3 stops32h 03m

$4,026

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Portland to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Portland with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Porto Alegre

What is the cheapest time of day to fly from PDX to POA?

Find hourly flight availability from Portland to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Portland to Porto Alegre, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 9% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Portland to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Porto Alegre?

    A quick flight from Portland to Porto Alegre can take about 28h 06m. LATAM Airlines provides one of the quickest options available for as low as $2,093. Portland and Porto Alegre are separated by a distance of 6866 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Portland to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Portland to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Porto Alegre.

  • Can I find deals for business class flights from Portland to Porto Alegre?

    Yes. Cheapflights offers flight deals from Portland to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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