Cheap Flights from Chicago O'Hare International Airport to Rio Grande do Sul from $568 Roundtrip

Flight deals from Chicago O'Hare International Airport to Rio Grande do Sul

Looking for cheap flights from Chicago O'Hare International Airport to Rio Grande do Sul, or a last-minute trip? Find the cheapest prices on one-way and round-trip flights right here.

Porto Alegre.$568 per passenger.Departing Mon, Mar 23, returning Mon, Mar 30.Round-trip flight with Frontier Airlines and GOL Linhas Aéreas.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Mon, Mar 23, arriving in Porto Alegre.Inbound indirect flight with GOL Linhas Aéreas, departing from Porto Alegre on Mon, Mar 30, arriving in Chicago O'Hare International.Price includes taxes and charges.From $568, select.

Caxias Do Sul.$755 per passenger.Departing Tue, Mar 24, returning Tue, Mar 31.Round-trip flight with Avianca and Azul Airlines.Outbound indirect flight with Avianca, departing from Chicago O'Hare International on Tue, Mar 24, arriving in Caxias Do Sul.Inbound indirect flight with Azul Airlines, departing from Caxias Do Sul on Tue, Mar 31, arriving in Chicago O'Hare International.Price includes taxes and charges.From $755, select.

Pelotas.$1,336 per passenger.Departing Fri, Mar 27, returning Fri, Apr 3.Round-trip flight with Spirit Airlines and LATAM Airlines.Outbound indirect flight with Spirit Airlines, departing from Chicago O'Hare International on Fri, Mar 27, arriving in Pelotas.Inbound indirect flight with LATAM Airlines, departing from Pelotas on Fri, Apr 3, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,336, select.

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Flying from Chicago O'Hare International Airport to Rio Grande do Sul

Arm yourself with these facts on the fly.

Cheapest flight found	$568
Cheapest month to fly	March

How to find cheap flights from Chicago O'Hare International Airport to Rio Grande do Sul

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Chicago O'Hare International Airport to Rio Grande do Sul. Other savvy travelers recently found round-trip flights from $568 and one-way tickets from $291. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in March

The cheapest time to fly from Chicago O'Hare International Airport to Rio Grande do Sul is currently March.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Chicago O'Hare International Airport to anywhere you choose in Rio Grande do Sul.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Chicago O'Hare International Airport to your chosen airport in Rio Grande do Sul go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Rio Grande do Sul Airport to Rio Grande do Sul flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Chicago O'Hare International Airport to Rio Grande do Sul?

There are currently no direct flights from Chicago O'Hare International Airport to Rio Grande do Sul, but we've found some other routes to Brazil – check them out now.

What is the average price of a flight from Chicago O'Hare International Airport to Rio Grande do Sul?

We looked at all of the upcoming round-trip flights from Chicago O'Hare International Airport to Rio Grande do Sul we could find over the next 12 months. It looks like $568 is the best price. This is good, compared to the average Rio Grande do Sul ticket price of $886.

What is the cheapest month to fly from Chicago O'Hare International Airport to Rio Grande do Sul?

The cheapest month to fly from Chicago O'Hare International Airport to Pelotas Airport is currently March.
The cheapest month to fly from Chicago O'Hare International Airport to Caxias Do Sul Airport is currently March.
And the cheapest month to fly from Chicago O'Hare International Airport to Porto Alegre Airport is usually March.

On which upcoming date is it cheapest to fly from Chicago O'Hare International Airport to Rio Grande do Sul?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago O'Hare International Airport to Rio Grande do Sul on Monday, March 23, 2026.

If I'm flying from Chicago O'Hare International Airport, where in Rio Grande do Sul is cheapest to fly to?

If you're flying from Chicago O'Hare International, the cheapest city in Rio Grande do Sul to fly into is Porto Alegre. The cheapest airport serving Porto Alegre at the moment is Porto Alegre.