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Cheap flights from Illinois to Fortaleza from $379

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Fortaleza departing on 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Fortaleza

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
10:13 am - 6:45 pm
STL
-
FOR
29h 32m2 stops
LATAM Airlines Logo
2:25 am - 7:47 am
FOR
-
STL
32h 22m2 stops
$816LATAM Airlines
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
9:23 am - 5:30 pm
ORD
-
FOR
29h 07m2 stops
Multiple Airlines Logo
4:35 am - 9:39 am
FOR
-
ORD
32h 04m2 stops
$854Multiple Airlines
Tue, Feb 10 - Mon, Feb 16
Multiple Airlines Logo
7:20 am - 1:35 am
ORD
-
FOR
39h 15m3 stops
Multiple Airlines Logo
12:50 pm - 11:22 am
FOR
-
ORD
25h 32m2 stops
$989Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Multiple Airlines Logo
5:15 am - 1:35 am
ORD
-
FOR
41h 20m3 stops
Multiple Airlines Logo
6:00 am - 11:22 am
FOR
-
ORD
32h 22m3 stops
$992Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Multiple Airlines Logo
5:50 pm - 12:25 pm
ORD
-
FOR
15h 35m1 stop
Multiple Airlines Logo
10:25 pm - 5:30 am
FOR
-
ORD
34h 05m1 stop
$1,093Multiple Airlines
Mon, Feb 9 - Tue, Feb 17
GOL Logo
1:15 pm - 5:30 pm
ORD
-
FOR
25h 15m2 stops
GOL Logo
4:35 am - 9:20 pm
FOR
-
ORD
19h 45m2 stops
$1,291GOL
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
3:55 pm - 9:45 pm
ORD
-
FOR
26h 50m2 stops
Multiple Airlines Logo
10:25 pm - 9:13 am
FOR
-
ORD
37h 48m2 stops
$1,297Multiple Airlines
Mon, Feb 9 - Tue, Feb 17
Multiple Airlines Logo
3:55 pm - 9:45 pm
ORD
-
FOR
26h 50m2 stops
Multiple Airlines Logo
2:10 am - 9:13 am
FOR
-
ORD
34h 03m2 stops
$1,324Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Multiple Airlines Logo
2:22 pm - 1:35 am
ORD
-
FOR
32h 13m2 stops
Multiple Airlines Logo
6:30 am - 3:00 pm
FOR
-
ORD
35h 30m1 stop
$1,414Multiple Airlines
Mon, Feb 9 - Tue, Feb 17
Delta Logo
12:45 pm - 3:55 pm
MDW
-
FOR
24h 10m2 stops
Delta Logo
4:45 pm - 11:59 am
FOR
-
MDW
22h 14m2 stops
$1,576Delta
Thu, Feb 19 - Tue, Feb 24

Air Canada flights from Illinois to Fortaleza

Our best Air Canada deals on Illinois to Fortaleza flight tickets
Air Canada
Apr 20
ORD4:43 pmChicago O'Hare Intl
22h 32m
2 stops
FOR5:15 pmFortaleza Pinto Martins
Apr 24
FOR12:45 pmFortaleza Pinto Martins
29h 03m
2 stops
ORD3:48 pmChicago O'Hare Intl
$1,399
Find similar
Air Canada
Apr 20
ORD8:20 pmChicago O'Hare Intl
42h 55m
2 stops
FOR5:15 pmFortaleza Pinto Martins
Apr 24
FOR12:45 pmFortaleza Pinto Martins
26h 15m
2 stops
ORD1:00 pmChicago O'Hare Intl
$1,508
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Illinois to Fortaleza that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Fri 2/27

10:13 am-6:45 pm

2 stops29h 32m

Fortaleza Pinto Martins

Fri 3/6

2:25 am-7:47 am

2 stops32h 22m

$816

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Tue 2/10

9:23 am-5:30 pm

2 stops29h 07m

Fortaleza Pinto Martins

Mon 2/16

4:35 am-9:39 am

2 stops32h 04m

$854

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Tue 2/10

7:20 am-1:35 am

3 stops39h 15m

Fortaleza Pinto Martins

Tue 2/17

12:50 pm-11:22 am

2 stops25h 32m

$989

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Tue 2/10

5:15 am-1:35 am

3 stops41h 20m

Fortaleza Pinto Martins

Tue 2/17

6:00 am-11:22 am

3 stops32h 22m

$992

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Mon 2/9

5:50 pm-12:25 pm

1 stop15h 35m

Fortaleza Pinto Martins

Tue 2/17

10:25 pm-5:30 am

1 stop34h 05m

$1,093

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Thu 2/19

1:15 pm-5:30 pm

2 stops25h 15m

Fortaleza Pinto Martins

Mon 2/23

4:35 am-9:20 pm

2 stops19h 45m

$1,291

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Mon 2/9

3:55 pm-9:45 pm

2 stops26h 50m

Fortaleza Pinto Martins

Tue 2/17

10:25 pm-9:13 am

2 stops37h 48m

$1,297

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Mon 2/9

3:55 pm-9:45 pm

2 stops26h 50m

Fortaleza Pinto Martins

Mon 2/16

2:10 am-9:13 am

2 stops34h 03m

$1,324

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Mon 2/9

2:22 pm-1:35 am

2 stops32h 13m

Fortaleza Pinto Martins

Tue 2/17

6:30 am-3:00 pm

1 stop35h 30m

$1,414

ChicagoFortaleza

MDW - FOR

MDWFOR

Chicago Midway

Thu 2/19

12:45 pm-3:55 pm

2 stops24h 10m

Fortaleza Pinto Martins

Tue 2/24

4:45 pm-11:59 am

2 stops22h 14m

$1,576

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Illinois to Fortaleza

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Fortaleza?

According to our data, Monday is the cheapest day to fly to Fortaleza from Illinois. The lowest ticket price found for a Monday departure recently was $957. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,251. These prices are subject to change though, so be sure to set up a Price Alert for flights to Fortaleza.

Can stopping save me money on Illinois to Fortaleza flights?

You could potentially save up to 9% on your flight if you consider stops on a Illinois to Fortaleza flight.

Cheap Illinois to Fortaleza flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Fortaleza

Fastest flight time

20h 30m

Direct flights

None
The fastest flight from Illinois to Fortaleza takes 20h 30m
There are no direct flights from Illinois to Fortaleza. There are no popular flight routes from Illinois to Fortaleza.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Fortaleza Pinto Martins Airport?

    Prices for flights from Illinois to Fortaleza Pinto Martins Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Fortaleza Pinto Martins Airport?

  • How old do you have to be to fly from Illinois to Fortaleza Pinto Martins Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Fortaleza Pinto Martins Airport.

  • What documentation or ID do you need to fly to Fortaleza Pinto Martins Airport?

    The travel and health documents required for your trip to Fortaleza Pinto Martins Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Fortaleza Pinto Martins Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Fortaleza

Compare and see reviews for airlines that fly from Illinois to Fortaleza with momondo
Airline
Rating
Free Cancellation
Price
GOLPriceFrom $889Free CancellationRating
7.3
1,139 reviews
Search GOL flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Fortaleza?

It is quick and easy to find Illinois to Fortaleza flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Fortaleza that suits you.

Can I find flights from Illinois to Fortaleza with flexible booking policies on momondo?

momondo does allow users to show only those flights to Fortaleza from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Fortaleza?

Once all potential Illinois to Fortaleza flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Fortaleza right now. Can momondo alert me if prices change?

Price alerts on flights to Fortaleza from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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