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Cheap flights from Illinois to Fortaleza from $391

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 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Fortaleza

Cheap round-trip flights

Multiple Airlines Logo
8:41 am - 9:20 pmORD-FOR
33h 39m2 stops
Multiple Airlines Logo
9:25 am - 11:42 pmFOR-ORD
17h 17m2 stops
$706Multiple Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Multiple Airlines Logo
10:18 am - 9:20 pmORD-FOR
32h 02m3 stops
Multiple Airlines Logo
9:25 am - 11:42 pmFOR-ORD
17h 17m2 stops
$734Multiple Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Multiple Airlines Logo
10:49 am - 9:20 pmORD-FOR
31h 31m2 stops
Multiple Airlines Logo
4:45 am - 12:15 pmFOR-ORD
34h 30m3 stops
$767Multiple Airlines
Find Deal
Wed, Nov 5 - Tue, Nov 11
GOL Logo
5:50 pm - 11:30 pmORD-FOR
26h 40m2 stops
GOL Logo
4:10 am - 4:05 pmFOR-ORD
14h 55m1 stop
$963GOL
Find Deal
Mon, Feb 16 - Wed, Feb 18
GOL Logo
5:50 pm - 11:30 pmORD-FOR
26h 40m2 stops
GOL Logo
4:40 am - 10:01 pmFOR-ORD
20h 21m2 stops
$972GOL
Find Deal
Mon, Feb 16 - Wed, Feb 18
Copa Airlines Logo
6:56 am - 11:25 amORD-FOR
25h 29m2 stops
Copa Airlines Logo
5:25 pm - 12:46 pmFOR-ORD
22h 21m2 stops
$1,199Copa Airlines
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Fri, Nov 14 - Sat, Nov 22
Delta Logo
5:00 pm - 3:55 pmSTL-FOR
19h 55m2 stops
Delta Logo
4:45 pm - 2:01 pmFOR-STL
24h 16m2 stops
$1,450Delta
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Tue, Mar 3 - Sat, Mar 7
Delta Logo
10:40 am - 1:05 pmMDW-FOR
23h 25m2 stops
Delta Logo
2:00 pm - 9:52 amFOR-MDW
22h 52m2 stops
$1,577Delta
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Wed, Nov 5 - Wed, Nov 12
LATAM Airlines Logo
10:35 am - 1:30 pmMDW-FOR
23h 55m2 stops
LATAM Airlines Logo
2:30 pm - 9:56 amFOR-MDW
22h 26m2 stops
$1,677LATAM Airlines
Find Deal
Mon, Feb 16 - Thu, Feb 19
LATAM Airlines Logo
12:50 pm - 11:05 amMDW-FOR
19h 15m2 stops
LATAM Airlines Logo
6:00 am - 9:56 amFOR-MDW
30h 56m2 stops
$1,834LATAM Airlines
Find Deal
Mon, Dec 8 - Mon, Jan 19

GOL flights from Illinois to Fortaleza

Our best GOL deals on Illinois to Fortaleza flight tickets
GOL
Feb 16
ORD5:50 pmChicago O'Hare Intl
26h 40m
2 stops
FOR11:30 pmFortaleza Pinto Martins
Feb 18
FOR4:10 amFortaleza Pinto Martins
14h 55m
1 stop
ORD4:05 pmChicago O'Hare Intl
$963
Find similar
GOL
Feb 16
ORD5:50 pmChicago O'Hare Intl
26h 40m
2 stops
FOR11:30 pmFortaleza Pinto Martins
Feb 18
FOR4:40 amFortaleza Pinto Martins
20h 21m
2 stops
ORD10:01 pmChicago O'Hare Intl
$972
Find similar
GOL
Nov 14
ORD10:25 amChicago O'Hare Intl
22h 00m
2 stops
FOR11:25 amFortaleza Pinto Martins
Nov 22
FOR8:40 amFortaleza Pinto Martins
17h 19m
1 stop
ORD10:59 pmChicago O'Hare Intl
$979
Find similar

Delta flights from Illinois to Fortaleza

Our best Delta deals on Illinois to Fortaleza flight tickets
Delta
Mar 3
STL5:00 pmLambert-St Louis
19h 55m
2 stops
FOR3:55 pmFortaleza Pinto Martins
Mar 7
FOR4:45 pmFortaleza Pinto Martins
24h 16m
2 stops
STL2:01 pmLambert-St Louis
$1,450
Find similar
Delta
Nov 5
MDW10:40 amChicago Midway
23h 25m
2 stops
FOR1:05 pmFortaleza Pinto Martins
Nov 12
FOR2:00 pmFortaleza Pinto Martins
22h 52m
2 stops
MDW9:52 amChicago Midway
$1,577
Find similar
Delta
Nov 2
MDW10:40 amChicago Midway
21h 25m
2 stops
FOR11:05 amFortaleza Pinto Martins
Nov 9
FOR2:00 pmFortaleza Pinto Martins
22h 52m
2 stops
MDW9:52 amChicago Midway
$1,739
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 September 22, 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

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Wed 11/5

8:41 am-9:20 pm

2 stops33h 39m

Fortaleza Pinto Martins

Wed 11/12

9:25 am-11:42 pm

2 stops17h 17m

$706

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Wed 11/5

10:18 am-9:20 pm

3 stops32h 02m

Fortaleza Pinto Martins

Wed 11/12

9:25 am-11:42 pm

2 stops17h 17m

$734

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Wed 11/5

10:49 am-9:20 pm

2 stops31h 31m

Fortaleza Pinto Martins

Tue 11/11

4:45 am-12:15 pm

3 stops34h 30m

$767

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Mon 2/16

5:50 pm-11:30 pm

2 stops26h 40m

Fortaleza Pinto Martins

Wed 2/18

4:10 am-4:05 pm

1 stop14h 55m

$963

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Mon 2/16

5:50 pm-11:30 pm

2 stops26h 40m

Fortaleza Pinto Martins

Wed 2/18

4:40 am-10:01 pm

2 stops20h 21m

$972

ChicagoFortaleza

ORD - FOR

ORDFOR

Chicago O'Hare Intl

Fri 11/14

6:56 am-11:25 am

2 stops25h 29m

Fortaleza Pinto Martins

Sat 11/22

5:25 pm-12:46 pm

2 stops22h 21m

$1,199

St. LouisFortaleza

STL - FOR

STLFOR

Lambert-St Louis

Tue 3/3

5:00 pm-3:55 pm

2 stops19h 55m

Fortaleza Pinto Martins

Sat 3/7

4:45 pm-2:01 pm

2 stops24h 16m

$1,450

ChicagoFortaleza

MDW - FOR

MDWFOR

Chicago Midway

Wed 11/5

10:40 am-1:05 pm

2 stops23h 25m

Fortaleza Pinto Martins

Wed 11/12

2:00 pm-9:52 am

2 stops22h 52m

$1,577

ChicagoFortaleza

MDW - FOR

MDWFOR

Chicago Midway

Mon 2/16

10:35 am-1:30 pm

2 stops23h 55m

Fortaleza Pinto Martins

Thu 2/19

2:30 pm-9:56 am

2 stops22h 26m

$1,677

ChicagoFortaleza

MDW - FOR

MDWFOR

Chicago Midway

Mon 12/8

12:50 pm-11:05 am

2 stops19h 15m

Fortaleza Pinto Martins

Mon 1/19

6:00 am-9:56 am

2 stops30h 56m

$1,834

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Fortaleza from

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.

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

According to our data, the cheapest time of day to fly to Fortaleza is in the morning. momondo users have found flights departing from Illinois to Fortaleza in the morning for as low as $972. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Fortaleza, so prices are often more expensive at around $1,131 per ticket.

Can stopping save me money on Illinois to Fortaleza flights?

You could potentially save up to 8% 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

Direct flights

None
There are no direct flights from Illinois to Fortaleza. There are no popular flight routes from Illinois to Fortaleza.
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  • 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 $732Free CancellationRating
7.3
1,110 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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