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>

$422 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

One-way

Last minute

Recent round-trip flight deals from Illinois to Porto Alegre

Sun, Sep 14 - Sun, Sep 21

2:35 pm - 12:30 amORD-POA

31h 55m2 stops

11:20 am - 1:15 pmPOA-ORD

27h 55m2 stops

$716GOL

Find Deal

Sun, Sep 14 - Sun, Sep 21

6:44 pm - 11:55 pmORD-POA

27h 11m2 stops

8:25 am - 9:58 pmPOA-ORD

39h 33m3 stops

$746

Find Deal

Sun, Sep 14 - Sun, Sep 21

6:30 am - 11:15 pmORD-POA

38h 45m3 stops

8:25 am - 9:58 pmPOA-ORD

39h 33m3 stops

$757

Find Deal

Sun, Sep 14 - Sun, Sep 21

9:15 pm - 2:35 pmORD-POA

15h 20m1 stop

3:10 pm - 6:45 amPOA-ORD

17h 35m1 stop

$1,060United Airlines

Find Deal

Sun, Sep 14 - Sun, Sep 21

6:00 am - 4:10 pmORD-POA

32h 10m2 stops

3:10 pm - 6:45 amPOA-ORD

17h 35m1 stop

$1,064United Airlines

Find Deal

Sun, Sep 14 - Sat, Sep 20

8:02 am - 12:20 amORD-POA

14h 18m1 stop

1:27 am - 12:21 amPOA-ORD

24h 54m1 stop

$1,067Copa Airlines

Find Deal

Sun, Sep 14 - Sun, Sep 21

10:35 am - 6:25 amMDW-POA

17h 50m2 stops

6:40 am - 9:36 pmPOA-MDW

16h 56m2 stops

$1,109Delta

Find Deal

Sun, Sep 14 - Sat, Sep 20

8:02 am - 2:35 pmORD-POA

28h 33m2 stops

1:27 am - 12:21 amPOA-ORD

24h 54m1 stop

$1,123Copa Airlines

Find Deal

Sat, Aug 16 - Sun, Aug 24

5:45 am - 6:25 amORD-POA

22h 40m2 stops

6:40 am - 11:56 pmPOA-ORD

19h 16m2 stops

$1,339Delta

Find Deal

Tue, Aug 12 - Tue, Aug 19

10:40 am - 2:35 pmORD-POA

25h 55m2 stops

5:10 pm - 9:09 amPOA-ORD

17h 59m2 stops

$1,736Air Canada

Find Deal

Useful Info

Cheapest flight	$422

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

Airports

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

POA

$422 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

Recent one-way flight deals from Illinois to Porto Alegre

Recent last minute 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