What is the cheapest day to fly from Ontario to Porto Alegre?

Travelers seeking maximum savings on their Ontario to Porto Alegre flight should consider departing on Monday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How far in advance should I book a flight from Ontario to Porto Alegre?

To save on the cost of your flight from Ontario to Porto Alegre, book at least 17 days before your planned departure. Booking around this time can save you about 103% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $494 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $494.

What is the cheapest month to fly from Ontario to Porto Alegre?

The best pricing can be found in the month of August. Prices to Porto Alegre from Ontario average $683. You can even find prices in August for less than $683, as users have found deals to Porto Alegre from as low as $547. The month of December appears to be one of the more expensive times to travel to Porto Alegre from Ontario. Flying in the targeted month can save you up to 47%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Porto Alegre as you normally would.

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.

$751+ Flights from Ontario to Porto Alegre

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Cheap flight deals from Ontario to Porto Alegre

Round-trip from	$1,160 (KAYAK)
One-way from	$751 (LATAM 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 18, 2025.

Sun 10/512:00 pmONT - POA

2 stops21h 50mLATAM Airlines

Wed 10/155:45 pmPOA - ONT

2 stops21h 39mLATAM Airlines

Deal found 6/17

$1,160

Best flights from Ontario to Porto Alegre
Discover carefully curated flight deals from Ontario to Porto Alegre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2025.

Sun 10/512:00 pmONT - POA

2 stops21h 50mLATAM Airlines

Wed 10/155:45 pmPOA - ONT

2 stops21h 39mLATAM Airlines

Deal found 6/17

$1,160

One-way flights from Ontario to Porto Alegre
Search for one-way flight options from Ontario to Porto Alegre. Find affordable one-way fares based on user searches. Data last updated June 18, 2025.

Sat 7/127:05 amONT - POA

2 stops19h 20mLATAM Airlines

Deal found 6/17

$751

Sun 7/137:00 amONT - POA

2 stops36h 15mMultiple Airlines

Deal found 6/17

$757

Sat 7/57:00 amONT - POA

2 stops26h 10mUnited Airlines

Deal found 6/18

$759

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Sun 10/5

12:00 pm-1:50 pm

2 stops21h 50m

Porto Alegre Salgado Filho

Wed 10/15

5:45 pm-11:24 am

2 stops21h 39m

$1,160

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Sat 7/12

7:05 am-6:25 am

2 stops19h 20m

$751

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Sun 7/13

7:00 am-11:15 pm

2 stops36h 15m

$757

OntarioPorto Alegre

ONT - POA

ONTPOA

Ontario

Sat 7/5

7:00 am-1:10 pm

2 stops26h 10m

$759

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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

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

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

LATAM Airlines

7.5

Good

1,787 reviews

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

1,787 reviews

LATAM Airlines

7.5

Good

1,787 reviews

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

8,810 reviews

LATAM Airlines

7.5

Good

1,787 reviews

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

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.

Browse thousands of different options on Cheapflights for your next trip

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$751+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Porto Alegre with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Porto Alegre

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One-way from

Popular in

Cheapest in

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Find flight deals from Ontario to Porto Alegre

Cheapest flights from Ontario to Porto AlegreExplore 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 18, 2025.

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 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Porto Alegre that are best for you.

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.

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.

Temperature in Porto Alegre by month

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

Reviews of airlines servicing Porto Alegre

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.

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Porto Alegre

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Travel Smart

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 18, 2025.