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Porto Alegre

$512+ Cheap flights from Ontario (ONT) 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — POA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 June 12, 2025.

Round-trip from

$1,372
(United Airlines)

One-way from

$512
(Copa Airlines)

Popular in

December

Cheapest in

August

Average price

$904
From Ontario to Porto Alegre Salgado Filho
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One-way flight from Ontario to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 11% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Porto Alegre

Cheapest flights from Ontario to Porto Alegre
Explore the most affordable flight options available from Ontario to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:00 amONT - POA
2 stops30h 50mUnited Airlines
Fri 8/15:35 pmPOA - ONT
2 stops32h 02mUnited Airlines
Deal found 6/9$1,372
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/511:40 amONT - POA
2 stops22h 10mLATAM Airlines
Tue 8/195:45 pmPOA - ONT
2 stops20h 50mLATAM Airlines
Deal found 6/10$4,335

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario 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 June 12, 2025.
Use the filters below to find and compare flights from Ontario to Porto Alegre that are best for you.

Fly from

Ontario

Fly to

Porto Alegre

Route

Depart

Return

Price

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Fri 7/25

6:00 am-4:50 pm

2 stops30h 50m

Porto Alegre Salgado Filho

Fri 8/1

5:35 pm-9:37 pm

2 stops32h 02m

$1,372

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Tue 8/5

11:40 am-1:50 pm

2 stops22h 10m

Porto Alegre Salgado Filho

Tue 8/19

5:45 pm-10:35 am

2 stops20h 50m

$4,335

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Thu 9/11

6:50 pm-12:20 am

2 stops25h 30m

$512

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Thu 9/11

7:00 am-1:40 pm

3 stops26h 40m

$624

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Sat 11/15

6:00 am-5:55 pm

3 stops30h 55m

$713

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Sat 7/12

7:05 am-6:25 am

2 stops19h 20m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ontario to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Ontario 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 Ontario to Porto Alegre

Rainfall in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto Alegre ranges from 2.8 - 5.1 inches per month. September is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Porto Alegre when rainfall is around 2.8 in.

Temperature in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 55.4 F).

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 June 12, 2025.
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
LATAM Airlines
7.5
Good
1,785 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
Copa Airlines
7.5
Good
1,451 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.
United Airlines
7.4
Good
8,790 reviews
LATAM Airlines
7.5
Good
1,785 reviews

Boarding

7.6

Comfort

7.4

Food

6.7

Overall

7.5

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

MCO - BOG

The problem was the delayed departure for airport reason I understood it was not a Latam responsibility. The crew could give something to drink and not only a candy.

Related info for your journey

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

  • What are the cheapest airlines to fly from Ontario to Porto Alegre one-way?

    $512 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on United Airlines and LATAM Airlines, with prices starting from $624 and $754, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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.

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