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>

$857 CHEAP FLIGHTS from Illinois to Fortaleza

FOR

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

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Flight Deals

Cheap Flights from Illinois to Fortaleza

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, Sep 18 - Sat, Oct 17

11:59 am - 9:35 pm

ORD

FOR

31h 36m

1 stop

4:25 am - 9:22 pm

FOR

ORD

18h 57m

2 stops

$1,151GOL

Fri, Sep 18 - Sat, Oct 17

11:59 am - 9:35 pm

ORD

FOR

31h 36m

1 stop

4:25 am - 9:22 pm

FOR

ORD

18h 57m

2 stops

$1,215GOL

Fri, Sep 18 - Sat, Oct 17

8:42 am - 12:05 am

ORD

FOR

37h 23m

2 stops

4:25 am - 9:22 pm

FOR

ORD

18h 57m

2 stops

$1,217GOL

Mon, Nov 23 - Mon, Dec 7

4:40 pm - 5:00 pm

ORD

FOR

21h 20m

2 stops

12:50 pm - 2:55 pm

FOR

ORD

29h 05m

2 stops

$1,289Azul

Sat, Oct 31 - Wed, Nov 4

4:15 pm - 4:10 pm

STL

FOR

21h 55m

2 stops

12:30 pm - 3:30 pm

FOR

STL

30h 00m

2 stops

$1,312Air Canada

Mon, Nov 9 - Fri, Nov 13

9:50 am - 5:00 pm

ORD

FOR

28h 10m

2 stops

12:50 pm - 8:10 pm

FOR

ORD

34h 20m

2 stops

$1,320Air Canada

Mon, Nov 23 - Mon, Dec 7

10:35 am - 11:05 am

MDW

FOR

21h 30m

2 stops

2:10 pm - 9:52 am

FOR

MDW

22h 42m

2 stops

$1,431Delta

Thu, Aug 6 - Tue, Aug 11

12:46 pm - 11:05 am

MDW

FOR

20h 19m

2 stops

2:30 pm - 9:59 am

FOR

MDW

21h 29m

2 stops

$1,730Delta

Wed, Aug 5 - Mon, Aug 10

12:46 pm - 8:40 pm

MDW

FOR

29h 54m

2 stops

8:30 am - 9:59 am

FOR

MDW

27h 29m

2 stops

$1,868LATAM Airlines

Fri, Sep 18 - Sat, Oct 17

1:00 pm - 8:35 pm

MDW

FOR

29h 35m

2 stops

8:30 am - 9:52 am

FOR

MDW

27h 22m

2 stops

$1,916LATAM Airlines

Useful Info

Low season	April
High season	December
Cheapest flight	$857

Best time to beat the crowds with an average 15% drop in price.

Most popular time to fly with an average 37% 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

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Cabin class

Complete your trip

Direct Flights

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Other airports

Return flight deals

Information on the airport you'll fly into in Fortaleza

Fortaleza (FOR)

FOR

$857 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

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