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>

$345 CHEAP FLIGHTS from Illinois to Porto Alegre

POA

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

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Cheapest round-trip

$706

LATAM Airlines

Tue 3/3Wed 3/25

ORD - POA • 2 stops

Cheapest one-way

$345

GOL

Tue 5/5

ORD - POA • 2 stops

Start a new search

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

We hope you love your trip to Porto Alegre!

Flight Deals

Cheap Flights from Illinois to Porto Alegre

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

Round-trip

One-way

Recent round-trip flight deals from Illinois to Porto Alegre

Tue, Mar 3 - Wed, Mar 25

9:52 am - 5:00 pm

ORD

POA

28h 08m

2 stops

6:00 pm - 10:00 am

POA

ORD

18h 00m

2 stops

$706LATAM Airlines

Tue, Mar 3 - Wed, Mar 25

5:50 pm - 4:25 pm

ORD

POA

19h 35m

1 stop

3:25 pm - 7:00 am

POA

ORD

17h 35m

1 stop

$784United Airlines

Tue, Mar 3 - Wed, Mar 25

5:50 pm - 2:25 pm

ORD

POA

17h 35m

1 stop

3:30 pm - 10:07 am

POA

ORD

20h 37m

2 stops

$789United Airlines

Tue, Mar 17 - Thu, Mar 19

8:40 pm - 2:50 pm

ORD

POA

40h 10m

2 stops

5:55 pm - 7:45 pm

POA

ORD

27h 50m

2 stops

$1,161Air Canada

Tue, Mar 17 - Thu, Mar 19

6:50 pm - 2:25 pm

ORD

POA

17h 35m

1 stop

3:30 pm - 7:00 am

POA

ORD

17h 30m

1 stop

$1,401United Airlines

Tue, Mar 17 - Thu, Mar 19

1:06 pm - 2:25 pm

ORD

POA

23h 19m

2 stops

3:30 pm - 7:00 am

POA

ORD

17h 30m

1 stop

$1,405United Airlines

Tue, Mar 17 - Thu, Mar 19

6:50 pm - 2:25 pm

ORD

POA

17h 35m

1 stop

3:30 pm - 7:00 am

POA

ORD

17h 30m

1 stop

$1,504United Airlines

Tue, Mar 17 - Thu, Mar 19

5:45 pm - 2:25 pm

ORD

POA

18h 40m

2 stops

3:30 pm - 7:00 am

POA

ORD

17h 30m

1 stop

$1,508United Airlines

Useful Info

Cheapest flight	$345

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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Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

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

Porto Alegre (POA)

POA

$345 Find Cheap Flights from Illinois to Porto Alegre

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

Everything you should know

Cheap Flights from Illinois to Porto Alegre

Recent round-trip flight deals from Illinois to Porto Alegre

Recent one-way flight deals from Illinois to Porto Alegre

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