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

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 Fortaleza. 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 Fortaleza?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Fortaleza 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 Fortaleza?

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 Fortaleza 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 Fortaleza?

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 Fortaleza 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>

$753 CHEAP FLIGHTS from Illinois to Fortaleza

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Cheap Flights from Illinois to Fortaleza

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Fortaleza 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

Recent round-trip flight deals from Illinois to Fortaleza

Fri, Aug 22 - Tue, Aug 26

8:12 pm - 2:25 amORD-FOR

28h 13m2 stops

8:30 pm - 11:59 pmFOR-ORD

29h 29m2 stops

$753

Find Deal

Sun, Sep 14 - Sun, Sep 21

6:44 pm - 5:00 amORD-FOR

32h 16m3 stops

12:50 pm - 5:39 pmFOR-ORD

30h 49m2 stops

$754

Find Deal

Fri, Nov 14 - Sat, Nov 22

2:59 pm - 11:15 amORD-FOR

17h 16m2 stops

8:40 am - 12:07 pmFOR-ORD

30h 27m1 stop

$933GOL

Find Deal

Fri, Nov 14 - Fri, Nov 21

2:50 pm - 11:15 amORD-FOR

17h 25m2 stops

4:40 am - 12:21 amFOR-ORD

22h 41m2 stops

$1,019GOL

Find Deal

Fri, Aug 22 - Mon, Aug 25

3:07 pm - 5:15 pmORD-FOR

24h 08m2 stops

3:10 am - 12:21 amFOR-ORD

23h 11m2 stops

$1,090Copa Airlines

Find Deal

Fri, Nov 14 - Sat, Nov 22

6:56 am - 11:15 amORD-FOR

25h 19m2 stops

5:25 pm - 12:46 pmFOR-ORD

22h 21m2 stops

$1,091Copa Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

5:28 am - 11:50 amSTL-FOR

28h 22m2 stops

12:45 pm - 3:09 pmFOR-STL

28h 24m2 stops

$1,124American Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

12:43 pm - 4:00 pmMDW-FOR

25h 17m2 stops

2:30 pm - 11:48 amFOR-MDW

23h 18m2 stops

$1,201Delta

Find Deal

Fri, Aug 22 - Mon, Aug 25

12:43 pm - 4:00 pmMDW-FOR

25h 17m2 stops

4:25 pm - 1:36 pmFOR-MDW

23h 11m2 stops

$1,749Delta

Find Deal

Mon, Sep 15 - Mon, Sep 22

5:28 am - 11:50 amSTL-FOR

28h 22m2 stops

12:45 pm - 1:09 pmFOR-STL

26h 24m3 stops

$2,380American Airlines

Find Deal

Useful Info

Low season	May
High season	July
Cheapest flight	$753

Best time to beat the crowds with an average 19% drop in price.

Most popular time to fly with an average 7% increase in price.

Flight from Chicago O'Hare Airport to Fortaleza

How does KAYAK find such low prices on flights from Illinois to Fortaleza?
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 Fortaleza.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Fortaleza?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Fortaleza 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 Fortaleza?
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 Fortaleza 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 Fortaleza?
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 Fortaleza 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 Fortaleza

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 Fortaleza

Fortaleza (FOR)

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

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$753 Find Cheap Flights from Illinois to Fortaleza

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

Cheap Flights from Illinois to Fortaleza

Recent round-trip flight deals from Illinois to Fortaleza

Recent one-way flight deals from Illinois to Fortaleza

Good to know

FAQs for booking flights from Illinois to Fortaleza

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

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 Fortaleza.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Fortaleza 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 Fortaleza?

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 Fortaleza 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 Fortaleza?

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 Fortaleza 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 Fortaleza

Information on the airport you'll fly into in Fortaleza

Cabin class types available on flights to Illinois

Complete your trip to Fortaleza with a hotel stay or car rental

Find direct flights for Fortaleza

Flights to other popular destinations

Flights from domestic origins to Fortaleza

Choose which airport to fly into in Fortaleza

Find deals for your return flight