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Fortaleza

$307+ Cheap flights from Illinois to Fortaleza (FOR)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FOR
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Illinois to Fortaleza

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

Round-trip from

$642
(Mytrip)

One-way from

$307
(Trip.com)
From Illinois to Fortaleza Pinto Martins
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One-way flight from Illinois to Fortaleza Pinto Martins
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Find flight deals from Illinois to Fortaleza

Cheapest flights from Illinois to Fortaleza
Explore the most affordable flight options available from Illinois to Fortaleza. 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 8/23:34 pmSTL - FOR
3 stops32h 51mMultiple Airlines
Sat 8/99:20 amFOR - STL
2 stops33h 11mMultiple Airlines
Deal found 6/18$642
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/15:40 pmORD - FOR
2 stops51h 15mMultiple Airlines
Fri 8/811:35 pmFOR - ORD
2 stops59h 20mMultiple Airlines
Deal found 6/17$666
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.
Fri 10/314:48 pmORD - FOR
2 stops16h 37mGOL
Fri 11/75:15 pmFOR - ORD
2 stops32h 00mGOL
Deal found 6/18$888
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:00 amSTL - FOR
2 stops28h 50mAmerican Airlines
Mon 8/1112:45 pmFOR - STL
2 stops31h 45mAmerican Airlines
Deal found 6/16$1,133
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/17:55 amORD - FOR
2 stops31h 20mCopa Airlines
Thu 8/73:05 amFOR - ORD
2 stops23h 16mCopa Airlines
Deal found 6/17$1,146
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/16:00 amMDW - FOR
2 stops26h 55mDelta
Fri 8/84:45 amFOR - MDW
2 stops18h 57mDelta
Deal found 6/17$1,248
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:12 pmMDW - FOR
2 stops41h 23mMultiple Airlines
Thu 8/74:30 amFOR - MDW
1 stop17h 52mMultiple Airlines
Deal found 6/16$1,278
This Expedia deal was found by Cheapflights users on 6/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:23 pmSTL - FOR
2 stops20h 37mLATAM Airlines
Wed 8/63:55 amFOR - STL
2 stops19h 39mLATAM Airlines
Deal found 6/15$1,288
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:35 amORD - FOR
2 stops27h 30mLATAM Airlines
Wed 8/63:55 amFOR - ORD
2 stops19h 35mLATAM Airlines
Deal found 6/16$1,344
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/316:00 amMDW - FOR
2 stops27h 05mLATAM Airlines
Thu 8/77:00 pmFOR - MDW
2 stops16h 45mLATAM Airlines
Deal found 6/16$1,347
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/25:23 pmSTL - FOR
2 stops40h 27mGOL
Fri 8/83:20 amFOR - STL
2 stops46h 39mGOL
Deal found 6/18$1,484

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Fortaleza 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 Illinois to Fortaleza that are best for you.

Fly from

Illinois

Fly to

Fortaleza

Route

Depart

Return

Price

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Sat 8/2

3:34 pm-2:25 am

3 stops32h 51m

Fortaleza Pinto Martins

Sat 8/9

9:20 am-4:31 pm

2 stops33h 11m

$642

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Fri 8/1

5:40 pm-10:55 pm

2 stops51h 15m

Fortaleza Pinto Martins

Fri 8/8

11:35 pm-8:55 am

2 stops59h 20m

$666

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Thu 7/31

6:45 am-10:20 pm

1 stop13h 35m

Fortaleza Pinto Martins

Thu 8/7

4:30 am-7:44 pm

1 stop17h 14m

$964

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Mon 8/4

5:00 am-11:50 am

2 stops28h 50m

Fortaleza Pinto Martins

Mon 8/11

12:45 pm-6:30 pm

2 stops31h 45m

$1,133

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Fri 8/1

7:55 am-5:15 pm

2 stops31h 20m

Fortaleza Pinto Martins

Thu 8/7

3:05 am-12:21 am

2 stops23h 16m

$1,146

ChicagoFortaleza

MDW - FOR

MDWFOR

Chicago Midway

Fri 8/1

6:00 am-10:55 am

2 stops26h 55m

Fortaleza Pinto Martins

Fri 8/8

4:45 am-9:42 pm

2 stops18h 57m

$1,248

ChicagoFortaleza

MDW - FOR

MDWFOR

Chicago Midway

Thu 7/31

9:12 pm-4:35 pm

2 stops41h 23m

Fortaleza Pinto Martins

Thu 8/7

4:30 am-8:22 pm

1 stop17h 52m

$1,278

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Thu 7/31

5:23 pm-4:00 pm

2 stops20h 37m

Fortaleza Pinto Martins

Wed 8/6

3:55 am-9:34 pm

2 stops19h 39m

$1,288

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Thu 7/31

5:35 am-11:05 am

2 stops27h 30m

Fortaleza Pinto Martins

Wed 8/6

3:55 am-9:30 pm

2 stops19h 35m

$1,344

ChicagoFortaleza

MDW - FOR

MDWFOR

Chicago Midway

Thu 7/31

6:00 am-11:05 am

2 stops27h 05m

Fortaleza Pinto Martins

Thu 8/7

7:00 pm-9:45 am

2 stops16h 45m

$1,347

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 16 results
1
2

Best time to book a flight from Illinois to Fortaleza

Have a flexible travel schedule? Discover the best time to fly to Fortaleza from Illinois 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 Illinois to Fortaleza

Rainfall in Fortaleza by month

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

In terms of precipitation, rainfall in Fortaleza ranges from 0.5 - 13.7 inches per month. April is typically the wettest month, when rainfall can reach 13.7 in. October is typically the driest time to visit Fortaleza when rainfall is around 0.5 in.

Temperature in Fortaleza by month

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

If weather is an important factor for your trip to Fortaleza, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of March, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Fortaleza

Get insights into the airlines that provide service to Fortaleza. 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 Fortaleza. Reviews last updated June 18, 2025.
See what other customers who have flown with Delta, LATAM Airlines and Copa Airlines from Illinois to Fortaleza have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,787 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,455 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
GOL
7.3
Good
1,073 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Fortaleza. 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 into for flights to Fortaleza from Illinois?

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

  • What are the cheapest airlines to fly from Illinois to Fortaleza one-way?

    One-way options have recently been found by users for as low as $559 on Copa Airlines. Other airlines that offer cheap prices include GOL from $573 and Delta from $814 one-way.

  • What are the most popular routes from Illinois to Fortaleza?

    Most travelers choose Chicago O'Hare Intl - Fortaleza Pinto Martins, Chicago Midway - Fortaleza Pinto Martins or Lambert-St Louis - Fortaleza Pinto Martins when deciding on the best route from Illinois to Fortaleza.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Fortaleza 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 Illinois to Fortaleza?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Fortaleza (average of $608). Flying from Illinois to Fortaleza in December is currently the most expensive (average of $1,345). 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.

See more FAQs

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Alternative routes for Illinois to Fortaleza

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Top airline flying from Illinois to Fortaleza

Discover the top airline that operate flights from Illinois to Fortaleza. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
GOLCheapest$732Average$987FlexibilityNo cancel feeOn-time74%

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