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>

$348 Cheap Flights from Illinois to Fortaleza

FOR

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$873

LATAM Airlines

Tue 2/10Tue 2/17

ORD - FOR • 2 stops

Cheapest one-way

$348

Multiple Airlines

Mon 2/9

ORD - FOR • 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 Fortaleza!

Flight Deals

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

Last minute

Recent round-trip flight deals from Illinois to Fortaleza

Tue, Feb 10 - Tue, Feb 17

9:55 am - 1:05 pm

ORD

FOR

24h 10m2 stops

4:45 pm - 1:34 pm

FOR

ORD

23h 49m2 stops

$873LATAM Airlines

Sat, Jan 31 - Fri, Feb 6

8:45 pm - 9:30 pm

ORD

FOR

45h 45m2 stops

2:10 am - 8:18 am

FOR

ORD

33h 08m3 stops

$931Multiple Airlines

Thu, Feb 19 - Mon, Feb 23

10:53 am - 9:45 pm

MDW

FOR

31h 52m2 stops

2:05 am - 9:56 am

FOR

MDW

34h 51m2 stops

$969LATAM Airlines

Mon, Feb 9 - Mon, Feb 16

5:59 pm - 3:55 pm

ORD

FOR

18h 56m2 stops

2:05 am - 1:34 pm

FOR

ORD

38h 29m2 stops

$969LATAM Airlines

Sat, Jan 31 - Fri, Feb 6

6:57 pm - 9:00 am

ORD

FOR

35h 03m2 stops

3:55 am - 8:18 am

FOR

ORD

31h 23m1 stop

$1,063Multiple Airlines

Thu, Feb 19 - Tue, Feb 24

10:02 am - 11:30 am

ORD

FOR

22h 28m2 stops

5:20 pm - 9:20 pm

FOR

ORD

31h 00m2 stops

$1,346GOL

Thu, Feb 19 - Tue, Feb 24

6:28 pm - 5:40 pm

ORD

FOR

20h 12m2 stops

12:40 pm - 1:01 pm

FOR

ORD

27h 21m2 stops

$1,376Air Canada

Wed, Mar 4 - Sun, Mar 8

4:05 pm - 5:30 pm

STL

FOR

22h 25m2 stops

9:35 am - 3:29 pm

FOR

STL

31h 54m2 stops

$1,581Air Canada

Thu, Feb 19 - Tue, Feb 24

12:46 pm - 3:55 pm

MDW

FOR

24h 09m2 stops

2:10 pm - 11:59 am

FOR

MDW

24h 49m2 stops

$1,873Delta

Sat, Jan 31 - Sat, Feb 7

4:30 pm - 6:45 pm

MDW

FOR

23h 15m2 stops

2:30 pm - 3:38 pm

FOR

MDW

28h 08m2 stops

$1,953Delta

Useful Info

Low season	May
High season	December
Cheapest flight	$348

Best time to beat the crowds with an average 23% drop in price.

Most popular time to fly with an average 60% 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)

FOR

$348 Find Cheap Flights from Illinois to Fortaleza

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

Everything you should know

Cheap Flights from Illinois to Fortaleza

Recent round-trip flight deals from Illinois to Fortaleza

Recent one-way flight deals from Illinois to Fortaleza

Recent last minute 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