Sao Paulo

$245+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SAO
Aug 5 — Aug 121
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Cheap 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 July 31, 2025.

Round-trip from

$567
(KAYAK)

One-way from

$253
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$995

Good round-trip deal

$804 or less

Good one-way deal

$345 or less
From Illinois to Sao Paulo (SAO)
One-way flight from Illinois to Sao Paulo (SAO)
Highest demand for flights based on searches. 9% potential increase in price ($98 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Illinois to Sao Paulo (SAO).
Price to beat on a one-way flight from Illinois to Sao Paulo (SAO).

Find 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 July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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 11/38:56 pmORD - GRU
3 stops26h 44mMultiple Airlines
Sat 11/154:10 amGRU - ORD
1 stop20h 00mMultiple Airlines
Deal found 7/30$537
This KAYAK deal was found by Cheapflights users on 7/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:16 pmORD - GRU
2 stops20h 24mLATAM Airlines
Tue 11/189:30 pmGRU - ORD
1 stop17h 38mLATAM Airlines
Deal found 7/30$567
This KAYAK deal was found by Cheapflights users on 7/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:31 amMDW - GRU
1 stop17h 09mLATAM Airlines
Tue 8/195:40 pmGRU - MDW
2 stops20h 08mLATAM Airlines
Deal found 7/31$567
This Mytrip deal was found by Cheapflights users on 7/30. 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 9/810:27 amORD - VCP
2 stops22h 13mMultiple Airlines
Thu 9/186:05 amVCP - ORD
2 stops17h 53mMultiple Airlines
Deal found 7/30$586
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 11/233:30 amORD - GRU
1 stop15h 50mArajet
Sat 12/64:10 amGRU - ORD
1 stop20h 00mArajet
Deal found 7/30$593
This Mytrip deal was found by Cheapflights users on 7/30. 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 9/2510:27 amORD - CGH
2 stops22h 43mMultiple Airlines
Sat 10/46:00 amCGH - ORD
2 stops17h 58mMultiple Airlines
Deal found 7/30$665
This GOL deal was found by Cheapflights users on 7/30. 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.
Wed 9/172:39 pmORD - CGH
2 stops37h 26mGOL
Wed 9/246:30 amCGH - ORD
2 stops16h 52mGOL
Deal found 7/30$739
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:05 pmSTL - GRU
2 stops37h 55mAir Canada
Wed 11/199:45 pmGRU - STL
2 stops20h 44mAir Canada
Deal found 7/29$802
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Mon 9/17:19 pmEVV - GRU
1 stop34h 46mMultiple Airlines
Sat 9/64:50 pmGRU - EVV
2 stops44h 55mMultiple Airlines
Deal found 7/30$805
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:39 amMDW - GRU
2 stops18h 36mMultiple Airlines
Sat 10/252:40 amGRU - MDW
2 stops31h 04mMultiple Airlines
Deal found 7/30$873
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/312:02 pmSTL - GRU
1 stop16h 03mMultiple Airlines
Wed 9/31:45 amGRU - STL
2 stops37h 17mMultiple Airlines
Deal found 7/29$914
This Delta deal was found by Cheapflights users on 7/31. 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.
Mon 9/226:00 amMDW - GRU
1 stop21h 40mDelta
Mon 10/610:50 pmGRU - MDW
1 stop15h 03mDelta
Deal found 7/31$1,059

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 July 31, 2025.
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

Tue 8/19

9:47 am-5:30 am

2 stops17h 43m

Sao Paulo Guarulhos Intl

Sat 8/23

5:45 pm-8:37 am

2 stops16h 52m

$567

ChicagoSao Paulo

MDW - GRU

MDWGRU

Chicago Midway

Thu 8/14

10:31 am-5:40 am

1 stop17h 09m

Sao Paulo Guarulhos Intl

Tue 8/19

5:40 pm-11:48 am

2 stops20h 08m

$567

ChicagoSao Paulo

ORD - VCP

ORDVCP

Chicago O'Hare Intl

Mon 9/8

10:27 am-5:15 pm

3 stops28h 48m

Sao Paulo Viracopos

Thu 9/18

6:05 am-9:58 pm

2 stops17h 53m

$586

ChicagoSao Paulo

ORD - GRU

ORDGRU

Chicago O'Hare Intl

Wed 8/20

6:56 am-3:20 pm

2 stops30h 24m

Sao Paulo Guarulhos Intl

Wed 8/27

6:00 am-11:59 pm

3 stops19h 59m

$586

ChicagoSao Paulo

ORD - CGH

ORDCGH

Chicago O'Hare Intl

Thu 9/25

10:27 am-11:10 am

2 stops22h 43m

Sao Paulo Congonhas

Sat 10/4

6:00 am-9:58 pm

2 stops17h 58m

$665

ChicagoSao Paulo

ORD - CGH

ORDCGH

Chicago O'Hare Intl

Wed 9/17

2:39 pm-6:05 am

2 stops37h 26m

Sao Paulo Congonhas

Wed 9/24

6:30 am-9:22 pm

2 stops16h 52m

$739

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Wed 11/12

4:05 pm-9:00 am

2 stops37h 55m

Sao Paulo Guarulhos Intl

Wed 11/19

9:45 pm-3:29 pm

2 stops20h 44m

$802

EvansvilleSao Paulo

EVV - GRU

EVVGRU

Evansville Dress Regional

Mon 9/1

7:19 pm-8:05 am

1 stop34h 46m

Sao Paulo Guarulhos Intl

Sat 9/6

4:50 pm-11:45 am

2 stops44h 55m

$805

ChicagoSao Paulo

MDW - GRU

MDWGRU

Chicago Midway

Mon 10/13

8:39 am-5:15 am

2 stops18h 36m

Sao Paulo Guarulhos Intl

Sat 10/25

2:40 am-7:44 am

2 stops31h 04m

$873

St. LouisSao Paulo

STL - GRU

STLGRU

Lambert-St Louis

Sun 8/31

2:02 pm-8:05 am

1 stop16h 03m

Sao Paulo Guarulhos Intl

Wed 9/3

1:45 am-1:02 pm

2 stops37h 17m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 38 results
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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, September is the cheapest month in which you can book a flight from Illinois to Sao Paulo (average of $678). Flying from Illinois to Sao Paulo in December is currently the most expensive (average of $1,209). 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 July 31, 2025.

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 July 31, 2025.

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).

Reviews of airlines servicing Sao Paulo

Get insights into the airlines that provide service to Sao Paulo. 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 Sao Paulo. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines, and Copa Airlines from Illinois to Sao Paulo by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good
8.0
Very good

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
8.0
Very good

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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 Sao Paulo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Illinois to Sao Paulo one-way?

    $349 is the cheapest one-way deal found within the past few days, from GOL. You may also be able to find cheap deals on LATAM Airlines and Avianca, with prices starting from $397 and $438, respectively.

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

  • 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 $724, our data indicates the cheapest price to be $303. The most popular route (Chicago O'Hare Intl - Sao Paulo Guarulhos Intl), is priced around $567.

  • 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, September is the cheapest month in which you can book a flight from Illinois to Sao Paulo (average of $678). Flying from Illinois to Sao Paulo in December is currently the most expensive (average of $1,209). 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.

Top 8 airlines flying from Illinois to Sao Paulo

Discover the top 8 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$376Average$695FlexibilityNo cancel feeOn-time70%
AzulCheapest$450Average$1,716FlexibilityNo cancel feeOn-time82%
DeltaCheapest$487Average$667FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$494Average$648FlexibilityNo cancel feeOn-time81%
AviancaCheapest$605Average$860FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$727Average$988FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$748Average$896FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$773Average$1,106FlexibilityNo cancel feeOn-time69%

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