How does KAYAK find such low prices on flights from Illinois to Porto Alegre?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Porto Alegre. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Porto Alegre?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Porto Alegre?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Porto Alegre?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$537 CHEAP FLIGHTS from Illinois to Porto Alegre

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Cheap Flights from Illinois to Porto Alegre

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Porto Alegre that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

Recent round-trip flight deals from Illinois to Porto Alegre

Tue, Mar 3 - Wed, Mar 25

3:35 pm - 4:10 pmORD-POA

21h 35m2 stops

3:25 pm - 11:18 amPOA-ORD

21h 53m2 stops

$749Air Canada

Find Deal

Tue, Mar 3 - Wed, Mar 25

3:35 pm - 4:30 pmORD-POA

21h 55m2 stops

5:10 pm - 11:18 amPOA-ORD

20h 08m2 stops

$754Air Canada

Find Deal

Mon, Mar 2 - Fri, Mar 6

1:35 pm - 4:30 pmORD-POA

47h 55m2 stops

5:20 pm - 11:07 pmPOA-ORD

32h 47m2 stops

$801GOL

Find Deal

Tue, Mar 3 - Tue, Mar 24

7:34 am - 12:25 amORD-POA

13h 51m1 stop

1:30 am - 1:31 pmPOA-ORD

14h 01m1 stop

$1,058Copa Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 25

5:50 pm - 4:10 pmORD-POA

19h 20m1 stop

5:10 pm - 7:00 amPOA-ORD

15h 50m1 stop

$1,064United Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 25

5:50 pm - 2:35 pmORD-POA

17h 45m1 stop

5:10 pm - 7:00 amPOA-ORD

15h 50m1 stop

$1,065United Airlines

Find Deal

Tue, Mar 3 - Wed, Mar 25

5:50 pm - 2:35 pmORD-POA

17h 45m1 stop

5:10 pm - 7:00 amPOA-ORD

15h 50m1 stop

$1,066United Airlines

Find Deal

Mon, Mar 2 - Thu, Mar 5

2:22 pm - 12:25 amORD-POA

31h 03m1 stop

1:30 am - 12:04 amPOA-ORD

25h 34m1 stop

$1,186Copa Airlines

Find Deal

Wed, Dec 10 - Mon, Jan 12

9:30 am - 6:30 amSTL-POA

18h 00m2 stops

6:00 pm - 11:05 amPOA-STL

20h 05m2 stops

$1,335Delta

Find Deal

Sat, Dec 6 - Sat, Jan 10

4:29 pm - 6:30 amMDW-POA

35h 01m2 stops

7:45 am - 10:34 amPOA-MDW

29h 49m2 stops

$1,801Delta

Find Deal

Cheapest round-trip

$749

Air Canada

Tue 3/3Wed 3/25

ORD - POA • 2 stops

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto Alegre!

Useful Info

Cheapest flight	$749

Flight from Chicago to Porto Alegre

How does KAYAK find such low prices on flights from Illinois to Porto Alegre?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Porto Alegre.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Porto Alegre?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Porto Alegre?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Porto Alegre?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

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Direct Flights

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Information on the airport you'll fly into in Porto Alegre

Porto Alegre (POA)

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POA

$749 Find Cheap Flights from Illinois to Porto Alegre

KAYAK searches hundreds of travel sites at once for deals on flights to Porto Alegre

Cheap Flights from Illinois to Porto Alegre

Recent round-trip flight deals from Illinois to Porto Alegre

Everything you should know

Good to know

FAQs for booking flights from Illinois to Porto Alegre

How does KAYAK find such low prices on flights from Illinois to Porto Alegre?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Porto Alegre.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Porto Alegre?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto Alegre from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Porto Alegre?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto Alegre with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Porto Alegre?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto Alegre from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto Alegre

Information on the airport you'll fly into in Porto Alegre

Cabin class types available on flights to Illinois

Complete your trip to Porto Alegre with a hotel stay or car rental

Find direct flights for Porto Alegre

Flights to other popular destinations

Flights from domestic origins to Porto Alegre

Choose which airport to fly into in Porto Alegre

Find deals for your return flight