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Sao Paulo

$205+ Cheap flights from Illinois to Sao Paulo, Brazil (SAO)

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SAO
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Illinois to Sao Paulo

Cheapest flights from Illinois to Sao Paulo
Explore the most affordable flight options available from Illinois to Sao Paulo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Avianca deal was found by Cheapflights users on 2/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:20 pm
ORD
-
GRU
1 stop21h 10m
Avianca
Sun 4/121:20 am
GRU
-
ORD
1 stop22h 00m
Avianca
Deal found 2/3$586
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Wed 4/155:32 pm
ORD
-
VCP
1 stop22h 13m
Multiple Airlines
Wed 4/227:15 pm
VCP
-
ORD
2 stops28h 05m
Multiple Airlines
Deal found 2/3$591
This GOL deal was found by Cheapflights users on 2/2. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:20 pm
ORD
-
VCP
2 stops32h 15m
GOL
Sun 5/247:25 pm
VCP
-
ORD
2 stops27h 55m
GOL
Deal found 2/2$598
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Tue 2/247:23 pm
ORD
-
GRU
2 stops30h 32m
Multiple Airlines
Mon 3/161:00 am
GRU
-
ORD
3 stops24h 17m
Multiple Airlines
Deal found 2/2$598
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Wed 3/412:44 pm
ORD
-
GRU
3 stops33h 51m
Multiple Airlines
Tue 3/102:40 am
GRU
-
ORD
2 stops17h 06m
Multiple Airlines
Deal found 2/2$599
This Booking.com deal was found by Cheapflights users on 2/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:45 am
ORD
-
GRU
1 stop13h 35m
Multiple Airlines
Sun 3/225:25 pm
GRU
-
ORD
1 stop29h 55m
Multiple Airlines
Deal found 2/3$600
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:34 am
ORD
-
GRU
1 stop13h 36m
Multiple Airlines
Tue 3/102:40 am
GRU
-
ORD
1 stop20h 40m
Multiple Airlines
Deal found 2/3$602
This GOL deal was found by Cheapflights users on 2/3. 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 GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:20 pm
ORD
-
CGH
2 stops33h 45m
GOL
Sun 5/246:55 pm
CGH
-
ORD
2 stops28h 25m
GOL
Deal found 2/3$603
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 2/282:22 pm
ORD
-
GRU
1 stop27h 28m
Multiple Airlines
Fri 3/67:35 am
GRU
-
ORD
1 stop15h 45m
Multiple Airlines
Deal found 2/2$603
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Sun 4/1911:20 pm
ORD
-
GRU
1 stop14h 45m
Multiple Airlines
Sun 4/264:05 am
GRU
-
ORD
2 stops29h 54m
Multiple Airlines
Deal found 2/3$604
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Thu 3/510:20 pm
ORD
-
GRU
1 stop14h 55m
Multiple Airlines
Wed 3/112:40 am
GRU
-
ORD
2 stops16h 16m
Multiple Airlines
Deal found 2/3$613
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Mon 3/210:20 pm
ORD
-
GRU
1 stop14h 55m
Multiple Airlines
Mon 3/97:35 am
GRU
-
ORD
2 stops28h 04m
Multiple Airlines
Deal found 2/2$616

Find flight deals from Illinois to Sao Paulo

Keep the following information in mind while searching for Illinois to Sao Paulo flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$586
(Avianca)

One-way from

$205
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$676

Good round-trip deal

$890 or less

Good one-way deal

$320 or less
Provider with most accurate pricing for Chicago (CHI)-Sao Paulo (SAO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Sao Paulo (SAO) flights.
Search Deals
From Illinois to Sao Paulo (SAO)
Search Deals
One-way flight from Illinois to Sao Paulo (SAO)
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Sao Paulo (SAO).
Search Deals
Price to beat on a one-way flight from Illinois to Sao Paulo (SAO).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Sao Paulo 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 February 4, 2026.
Use the filters below to find and compare flights from Illinois to Sao Paulo that are best for you.

Fly from

Illinois

Fly to

Sao Paulo

Route

Depart

Return

Price

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Wed 4/15

11:20 pm-10:30 pm

1 stop21h 10m

Sao Paulo Guarulhos Intl

Wed 4/22

7:35 am-9:20 pm

1 stop15h 45m

$586

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Sun 2/15

2:22 pm-6:30 am

1 stop13h 08m

Sao Paulo Guarulhos Intl

Sun 3/1

3:10 am-12:04 am

1 stop23h 54m

$620

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Sun 2/15

2:22 pm-6:30 am

1 stop13h 08m

Sao Paulo Guarulhos Intl

Tue 3/3

1:30 am-12:31 pm

1 stop14h 01m

$621

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Tue 2/24

7:23 pm-4:55 am

2 stops30h 32m

Sao Paulo Guarulhos Intl

Sun 3/1

2:40 am-8:20 pm

1 stop20h 40m

$646

ChicagoSao Paulo

ORD - CGH

ORDCGH

Chicago O'Hare Intl

Thu 3/5

9:18 am-6:45 pm

3 stops30h 27m

Sao Paulo Congonhas

Sun 3/15

6:10 am-8:25 am

3 stops28h 15m

$659

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Sun 3/15

7:35 am-9:30 am

1 stop23h 55m

Sao Paulo Guarulhos Intl

Mon 3/23

10:15 pm-7:00 am

Nonstop10h 45m

$690

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Thu 3/5

2:30 pm-10:20 am

1 stop16h 50m

Sao Paulo Guarulhos Intl

Sun 3/15

10:15 pm-7:00 am

Nonstop10h 45m

$690

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Fri 3/13

10:00 am-10:20 am

1 stop22h 20m

Sao Paulo Guarulhos Intl

Fri 3/20

10:15 pm-7:00 am

Nonstop10h 45m

$690

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Thu 3/12

1:06 pm-10:20 am

1 stop19h 14m

Sao Paulo Guarulhos Intl

Mon 3/23

10:15 pm-7:00 am

Nonstop10h 45m

$690

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Sat 2/14

11:27 am-3:25 am

1 stop12h 58m

Sao Paulo Guarulhos Intl

Fri 2/20

2:40 am-8:20 pm

1 stop20h 40m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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Best time to book a flight from Illinois to Sao Paulo

Have a flexible travel schedule? Discover the best time to fly to Sao Paulo 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 Sao Paulo

What is the cheapest month to book a flight from Illinois to Sao Paulo?

Currently, May is the cheapest month in which you can book a flight from Illinois to Sao Paulo (average of $376). Flying from Illinois to Sao Paulo in August is currently the most expensive (average of $696). 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.

What is the cheapest time of day to fly from IL to SAO?

Find hourly flight availability from Illinois to Sao Paulo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Sao Paulo as you normally would.

Weekly flight availability from Illinois to Sao Paulo

Explore weekly flight availability from Illinois to Sao Paulo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 4, 2026.

The most flights from USIL to SAO are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

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

  • How long is the flight from Illinois to Sao Paulo?

    For as low as $620, GOL can have you in Sao Paulo from Illinois in 13h 08m. Airlines will cover a distance of 5233 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $219 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on Avianca and Air Canada, with prices starting from $234 and $414, respectively.

  • What are the most popular routes from Illinois to Sao Paulo?

    When deciding which route to take from Illinois to Sao Paulo consider Chicago O'Hare Intl - Sao Paulo Guarulhos Intl, Chicago Midway - Sao Paulo Guarulhos Intl or Chicago O'Hare Intl - Sao Paulo Viracopos as they are the most popular.

  • What are the cheapest flights from Illinois to Sao Paulo?

    Looking for the cheapest flight from Illinois to Sao Paulo? While on average our users pay $1,383, our data indicates the cheapest price to be $314. The most popular route (Chicago O'Hare Intl - Sao Paulo Guarulhos Intl), is priced around $440.

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

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

  • How can I find direct flights from Illinois to Sao Paulo?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Sao Paulo 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 Sao Paulo?

    Currently, May is the cheapest month in which you can book a flight from Illinois to Sao Paulo (average of $376). Flying from Illinois to Sao Paulo in August is currently the most expensive (average of $696). 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 Sao Paulo

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Guarulhos Intl flights
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Midway to Guarulhos Intl flights
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O'Hare Intl to Congonhas flights
Reagan-National to Viracopos flights
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Top 7 airlines flying from Illinois to Sao Paulo

Discover the top 7 airlines that operate flights from Illinois to Sao Paulo. 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$359Average$677FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$435Average$945FlexibilityNo cancel feeOn-time69%
AviancaCheapest$485Average$736FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$500Average$1,058FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$531Average$652FlexibilityNo cancel feeOn-time81%
GOLCheapest$596Average$610FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$615Average$826FlexibilityNo cancel feeOn-time67%

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