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$465+ Cheap flights from Fortaleza (FOR) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
FOR — ORD
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Fortaleza to Illinois

Keep the following information in mind while searching for Fortaleza to Illinois flight deals. Data was last updated June 18, 2025.

Round-trip from

$760
(Mytrip)

One-way from

$465
(American Airlines)
From Fortaleza Pinto Martins to Illinois
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One-way flight from Fortaleza Pinto Martins to Illinois
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Find flight deals from Fortaleza to Illinois

Cheapest flights from Fortaleza to Illinois
Explore the most affordable flight options available from Fortaleza to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Mytrip deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/210:20 pmFOR - ORD
3 stops27h 33mMultiple Airlines
Sat 8/95:38 pmORD - FOR
3 stops33h 22mMultiple Airlines
Deal found 6/18$760
This American Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:45 pmFOR - ORD
2 stops24h 51mAmerican Airlines
Sun 8/247:00 amORD - FOR
2 stops26h 50mAmerican Airlines
Deal found 6/17$902
This LATAM Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/143:05 amFOR - ORD
2 stops22h 51mLATAM Airlines
Sun 8/245:30 pmORD - FOR
2 stops22h 10mLATAM Airlines
Deal found 6/17$953
This Gurufare deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/293:10 amFOR - ORD
2 stops31h 52mGOL
Fri 10/109:55 amORD - FOR
2 stops23h 55mGOL
Deal found 6/18$1,005
This Copa Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/314:05 amFOR - ORD
2 stops22h 15mCopa Airlines
Wed 8/61:07 amORD - FOR
2 stops32h 43mCopa Airlines
Deal found 6/16$1,134

Cheapflights Fare Finder

Customize your flight search to find flights from Fortaleza to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from Fortaleza to Illinois that are best for you.

Fly from

Fortaleza

Fly to

Illinois

Route

Depart

Return

Price

FortalezaChicago

FOR - ORD

FORORD

Fortaleza Pinto Martins

Sat 8/2

10:20 pm-11:53 pm

3 stops27h 33m

Chicago O'Hare Intl

Sat 8/9

5:38 pm-5:00 am

3 stops33h 22m

$760

FortalezaChicago

FOR - ORD

FORORD

Fortaleza Pinto Martins

Fri 8/15

12:45 pm-11:36 am

2 stops24h 51m

Chicago O'Hare Intl

Sun 8/24

7:00 am-11:50 am

2 stops26h 50m

$902

FortalezaChicago

FOR - ORD

FORORD

Fortaleza Pinto Martins

Thu 8/14

3:05 am-11:56 pm

2 stops22h 51m

Chicago O'Hare Intl

Sun 8/24

5:30 pm-5:40 pm

2 stops22h 10m

$953

FortalezaChicago

FOR - ORD

FORORD

Fortaleza Pinto Martins

Mon 9/29

3:10 am-9:02 am

2 stops31h 52m

Chicago O'Hare Intl

Fri 10/10

9:55 am-11:50 am

2 stops23h 55m

$1,005

FortalezaChicago

FOR - ORD

FORORD

Fortaleza Pinto Martins

Thu 7/31

4:05 am-12:20 am

2 stops22h 15m

Chicago O'Hare Intl

Wed 8/6

1:07 am-11:50 am

2 stops32h 43m

$1,134

FortalezaChicago

FOR - ORD

FORORD

Fortaleza Pinto Martins

Mon 9/29

12:45 pm-10:51 am

2 stops24h 06m

$465

FortalezaChicago

FOR - ORD

FORORD

Fortaleza Pinto Martins

Sun 9/28

3:05 am-8:34 am

2 stops31h 29m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Best time to book a flight from Fortaleza to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Fortaleza with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Fortaleza to Illinois

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated June 18, 2025.
LATAM Airlines
7.5
Good
1,787 reviews

Comfort

7.4

Crew

8.1

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
4.0
Okay

Duane,Jun 2025

GRU - MAD

The flight crew were accommodating and friendly. However, it was annoying that I did not receive the seat I had reserved when I originally booked my flight and was not able to get much help before takeoff.
LATAM Airlines
7.5
Good
1,787 reviews
LATAM Airlines
7.5
Good
1,787 reviews

Comfort

7.4

Crew

8.1

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
4.0
Okay

Duane,Jun 2025

GRU - MAD

The flight crew were accommodating and friendly. However, it was annoying that I did not receive the seat I had reserved when I originally booked my flight and was not able to get much help before takeoff.
Copa Airlines
7.5
Good
1,455 reviews
LATAM Airlines
7.5
Good
1,787 reviews

Comfort

7.4

Crew

8.1

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
4.0
Okay

Duane,Jun 2025

GRU - MAD

The flight crew were accommodating and friendly. However, it was annoying that I did not receive the seat I had reserved when I originally booked my flight and was not able to get much help before takeoff.
GOL
7.3
Good
1,073 reviews
LATAM Airlines
7.5
Good
1,787 reviews

Comfort

7.4

Crew

8.1

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
4.0
Okay

Duane,Jun 2025

GRU - MAD

The flight crew were accommodating and friendly. However, it was annoying that I did not receive the seat I had reserved when I originally booked my flight and was not able to get much help before takeoff.
American Airlines
7.2
Good
10,000 reviews
LATAM Airlines
7.5
Good
1,787 reviews

Comfort

7.4

Crew

8.1

Food

6.7

Entertainment

7.0

Boarding

7.6

Overall

7.5

Reviews

1 / 20
4.0
Okay

Duane,Jun 2025

GRU - MAD

The flight crew were accommodating and friendly. However, it was annoying that I did not receive the seat I had reserved when I originally booked my flight and was not able to get much help before takeoff.

Related info for your journey

Find useful and relevant information for your journey from Fortaleza to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Fortaleza to Illinois?

    Located just 3.6 mi from the city center, Fortaleza Pinto Martins (FOR) is the airport most travelers will use when flying to Illinois from Fortaleza.

  • Can I find deals for flights from Fortaleza to Illinois that include hotel bookings?

    Yes. In addition to deals on Fortaleza to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fortaleza to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fortaleza to Illinois.

  • Can I find deals for business class flights from Fortaleza to Illinois?

    Yes. Cheapflights offers flight deals from Fortaleza to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Fortaleza to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Fortaleza to Illinois (average of $245). Flying from Fortaleza to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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