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Santos Dumont

$295+ Cheap flights from Illinois to Santos Dumont, Brazil (SDU)

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Illinois to Santos Dumont

Cheapest flights from Illinois to Santos Dumont
Explore the most affordable flight options available from Illinois to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This KAYAK deal was found by Cheapflights users on 1/28. 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.
Wed 8/126:00 am
ORD
-
SDU
2 stops24h 35m
LATAM Airlines
Wed 8/261:55 pm
SDU
-
ORD
2 stops24h 57m
LATAM Airlines
Deal found 1/28$621
This Booking.com deal was found by Cheapflights users on 1/27. 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.
Thu 9/1710:00 am
ORD
-
SDU
2 stops28h 45m
Air Canada
Thu 9/241:45 pm
SDU
-
ORD
2 stops31h 34m
Air Canada
Deal found 1/27$632
This KAYAK deal was found by Cheapflights users on 1/28. 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 10/11:30 pm
ORD
-
SDU
2 stops21h 40m
LATAM Airlines
Wed 10/148:15 pm
SDU
-
ORD
2 stops18h 41m
LATAM Airlines
Deal found 1/28$641
This Air Canada deal was found by Cheapflights users on 1/29. 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.
Tue 3/1712:50 pm
ORD
-
SDU
2 stops25h 55m
Air Canada
Mon 3/231:50 pm
SDU
-
ORD
2 stops23h 28m
Air Canada
Deal found 1/29$644
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Wed 11/251:15 pm
ORD
-
SDU
2 stops23h 45m
LATAM Airlines
Mon 11/304:40 pm
SDU
-
ORD
2 stops23h 16m
LATAM Airlines
Deal found 1/28$646
This Air Canada deal was found by Cheapflights users on 1/29. 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.
Sun 3/158:00 am
ORD
-
SDU
2 stops30h 45m
Air Canada
Mon 3/231:50 pm
SDU
-
ORD
2 stops44h 10m
Air Canada
Deal found 1/29$648
This Mytrip deal was found by Cheapflights users on 1/26. 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 3/38:16 pm
ORD
-
SDU
2 stops31h 49m
Multiple Airlines
Wed 3/1111:25 am
SDU
-
ORD
2 stops25h 56m
Multiple Airlines
Deal found 1/26$662
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Wed 5/204:05 pm
ORD
-
SDU
2 stops20h 05m
GOL
Sun 5/244:35 pm
SDU
-
ORD
2 stops20h 12m
GOL
Deal found 1/28$698
This Mytrip deal was found by Cheapflights users on 1/27. 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.
Sun 3/88:16 pm
ORD
-
SDU
2 stops32h 49m
Multiple Airlines
Sun 3/153:15 pm
SDU
-
ORD
2 stops29h 06m
Multiple Airlines
Deal found 1/27$699
This Expedia deal was found by Cheapflights users on 1/28. 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 9/2410:00 am
ORD
-
SDU
2 stops28h 45m
Multiple Airlines
Sun 9/278:15 pm
SDU
-
ORD
2 stops18h 05m
Multiple Airlines
Deal found 1/28$700
This Mytrip deal was found by Cheapflights users on 1/28. 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 3/118:16 pm
ORD
-
SDU
2 stops24h 09m
Multiple Airlines
Wed 3/186:00 pm
SDU
-
ORD
3 stops24h 55m
Multiple Airlines
Deal found 1/28$703
This Priceline deal was found by Cheapflights users on 1/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:45 pm
MDW
-
SDU
2 stops24h 25m
LATAM Airlines
Thu 3/52:00 pm
SDU
-
MDW
2 stops24h 59m
LATAM Airlines
Deal found 1/28$1,157

Find flight deals from Illinois to Santos Dumont

Keep the following information in mind while searching for Illinois to Santos Dumont flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$644
(Air Canada)

One-way from

$295
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$844
Provider with most accurate pricing for Chicago (CHI)-Rio de Janeiro (RIO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Rio de Janeiro (RIO) flights.
Search Deals
From Illinois to Rio de Janeiro Santos Dumont
Search Deals
One-way flight from Illinois to Rio de Janeiro Santos Dumont
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Santos Dumont 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 January 29, 2026.
Use the filters below to find and compare flights from Illinois to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Illinois

Fly to

Santos Dumont

Route

Depart

Return

Price

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Thu 3/19

3:55 pm-4:45 pm

2 stops22h 50m

Rio de Janeiro Santos Dumont

Mon 3/23

1:50 pm-11:18 am

2 stops23h 28m

$648

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sun 3/8

9:18 am-4:45 pm

3 stops29h 27m

Rio de Janeiro Santos Dumont

Sun 3/15

3:15 pm-11:21 am

2 stops22h 06m

$707

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 3/7

5:50 pm-5:45 pm

1 stop20h 55m

Rio de Janeiro Santos Dumont

Fri 3/13

1:50 pm-7:00 am

1 stop19h 10m

$716

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Thu 3/12

6:50 pm-4:40 pm

1 stop19h 50m

Rio de Janeiro Santos Dumont

Wed 3/18

1:45 pm-7:00 am

1 stop19h 15m

$716

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 3/4

5:50 pm-4:40 pm

1 stop19h 50m

Rio de Janeiro Santos Dumont

Wed 3/11

1:45 pm-7:00 am

1 stop19h 15m

$716

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Thu 2/26

5:50 pm-4:40 pm

1 stop19h 50m

Rio de Janeiro Santos Dumont

Thu 3/5

1:45 pm-5:30 am

1 stop18h 45m

$716

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Thu 2/26

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Fri 3/13

1:50 pm-7:00 am

1 stop19h 10m

$721

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 3/3

6:20 pm-4:40 pm

2 stops19h 20m

Rio de Janeiro Santos Dumont

Wed 3/11

1:45 pm-7:00 am

1 stop19h 15m

$721

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Fri 3/20

7:15 am-8:15 pm

2 stops35h 00m

Rio de Janeiro Santos Dumont

Wed 3/25

1:50 pm-11:18 am

2 stops23h 28m

$724

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 3/16

8:00 am-4:45 pm

2 stops30h 45m

Rio de Janeiro Santos Dumont

Wed 3/25

1:50 pm-11:18 am

2 stops23h 28m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 46 results
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Best time to book a flight from Illinois to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont 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 Rio de Janeiro Santos Dumont Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Santos Dumont. 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 Rio de Janeiro Santos Dumont Airport?

    There are many flights that can get you from Illinois to Rio de Janeiro Santos Dumont Airport in 20h 55m. Fly via Air Canada, United Airlines, or LATAM Airlines to get the fastest option. The distance from Illinois to Rio de Janeiro Santos Dumont Airport is about 5312 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Illinois to Rio de Janeiro Santos Dumont Airport?

    While some choose either Chicago Midway - Rio de Janeiro Santos Dumont or Lambert-St Louis - Rio de Janeiro Santos Dumont, Chicago O'Hare Intl - Rio de Janeiro Santos Dumont is the most popular route from Illinois to Rio de Janeiro Santos Dumont Airport.

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

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

  • How can I find direct flights from Illinois to Santos Dumont?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Illinois to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Rio de Janeiro–Galeão Intl flights
John F Kennedy Intl to Santos Dumont flights
Miami to Rio de Janeiro–Galeão Intl flights
Newark to Rio de Janeiro–Galeão Intl flights
LaGuardia to Rio de Janeiro–Galeão Intl flights
Dulles Intl to Rio de Janeiro–Galeão Intl flights
Newark to Santos Dumont flights
Baltimore to Rio de Janeiro–Galeão Intl flights
Reagan-National to Rio de Janeiro–Galeão Intl flights
O'Hare Intl to Rio de Janeiro–Galeão Intl flights
Miami to Santos Dumont flights
Hobby to Rio de Janeiro–Galeão Intl flights
Los Angeles to Rio de Janeiro–Galeão Intl flights
Dallas/Fort Worth to Rio de Janeiro–Galeão Intl flights
Dulles Intl to Santos Dumont flights
Orlando to Rio de Janeiro–Galeão Intl flights
LaGuardia to Santos Dumont flights
O'Hare Intl to Santos Dumont flights
Los Angeles to Santos Dumont flights
San Francisco to Rio de Janeiro–Galeão Intl flights
George Bush Intcntl to Rio de Janeiro–Galeão Intl flights
Boston to Rio de Janeiro–Galeão Intl flights
Atlanta to Rio de Janeiro–Galeão Intl flights
Seattle to Rio de Janeiro–Galeão Intl flights
Fort Lauderdale to Rio de Janeiro–Galeão Intl flights
Orlando to Santos Dumont flights
Midway to Rio de Janeiro–Galeão Intl flights
Seattle to Santos Dumont flights
Austin to Rio de Janeiro–Galeão Intl flights
Boston to Santos Dumont flights
San Francisco to Santos Dumont flights
Fort Lauderdale to Santos Dumont flights
Dallas/Fort Worth to Santos Dumont flights
Tampa to Rio de Janeiro–Galeão Intl flights
Raleigh to Rio de Janeiro–Galeão Intl flights
Austin to Santos Dumont flights
Atlanta to Santos Dumont flights
Philadelphia to Rio de Janeiro–Galeão Intl flights
Denver to Rio de Janeiro–Galeão Intl flights
Raleigh to Santos Dumont flights
Ontario to Rio de Janeiro–Galeão Intl flights
Philadelphia to Santos Dumont flights
Denver to Santos Dumont flights
Love Field to Rio de Janeiro–Galeão Intl flights
Tampa to Santos Dumont flights
Minneapolis to Rio de Janeiro–Galeão Intl flights

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