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$341+ Cheap flights from Santos Dumont, Brazil (SDU) to Illinois

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — ORD
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Find flight deals from Santos Dumont to Illinois

Cheapest flights from Santos Dumont to Illinois
Explore the most affordable flight options available from Santos Dumont to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Air Canada deal was found by Cheapflights users on 10/21. 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.
Mon 11/171:45 pmSDU - ORD
2 stops24h 33mMultiple Airlines
Thu 3/1912:50 pmORD - SDU
2 stops23h 30mMultiple Airlines
Deal found 10/21$606
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/111:45 pmSDU - ORD
1 stop18h 45mUnited Airlines
Sun 11/305:50 pmORD - SDU
1 stop19h 45mUnited Airlines
Deal found 10/21$733
This Mytrip deal was found by Cheapflights users on 10/21. 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.
Fri 12/58:10 amSDU - ORD
3 stops37h 26mMultiple Airlines
Fri 12/1212:09 pmORD - SDU
2 stops17h 46mMultiple Airlines
Deal found 10/21$931
This Mytrip deal was found by Cheapflights users on 10/20. 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 12/46:00 amSDU - ORD
2 stops18h 19mMultiple Airlines
Thu 12/1112:09 pmORD - SDU
2 stops19h 36mMultiple Airlines
Deal found 10/20$947
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/281:45 pmSDU - ORD
1 stop18h 45mUnited Airlines
Wed 12/35:50 pmORD - SDU
1 stop19h 50mUnited Airlines
Deal found 10/21$953
This Mytrip deal was found by Cheapflights users on 10/19. 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 10/278:10 amSDU - ORD
2 stops18h 46mMultiple Airlines
Wed 11/126:48 amORD - SDU
3 stops29h 22mMultiple Airlines
Deal found 10/19$956
This Air Canada deal was found by Cheapflights users on 10/21. 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 11/111:45 pmSDU - ORD
2 stops23h 20mAir Canada
Sun 11/307:05 amORD - SDU
2 stops30h 30mAir Canada
Deal found 10/21$962
This United Airlines deal was found by Cheapflights users on 10/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:45 pmSDU - ORD
1 stop18h 45mUnited Airlines
Thu 3/192:25 pmORD - SDU
2 stops21h 55mUnited Airlines
Deal found 10/21$986
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/241:45 pmSDU - ORD
1 stop18h 45mUnited Airlines
Sat 11/296:20 pmORD - SDU
2 stops20h 25mUnited Airlines
Deal found 10/20$994

Cheap flight deals from Santos Dumont to Illinois

Keep the following information in mind while searching for Santos Dumont to Illinois flight deals. Data was last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$606
(Air Canada)

One-way from

$341
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$562
Provider with most accurate pricing for Rio de Janeiro (RIO)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Chicago (CHI) flights.
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From Rio de Janeiro Santos Dumont to Illinois
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One-way flight from Rio de Janeiro Santos Dumont to Illinois
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Highest demand for flights based on searches. 7% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santos Dumont to Illinois 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 October 22, 2025.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Illinois that are best for you.

Fly from

Santos Dumont

Fly to

Illinois

Route

Depart

Return

Price

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Mon 11/17

1:45 pm-11:18 am

2 stops24h 33m

Chicago O'Hare Intl

Thu 3/19

12:50 pm-2:20 pm

2 stops23h 30m

$606

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Tue 11/11

1:45 pm-5:30 am

1 stop18h 45m

Chicago O'Hare Intl

Sun 11/30

5:50 pm-4:35 pm

1 stop19h 45m

$733

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Mon 11/24

1:45 pm-5:30 am

1 stop18h 45m

Chicago O'Hare Intl

Sat 11/29

5:50 pm-11:10 am

1 stop14h 20m

$739

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Wed 3/25

11:25 am-7:30 pm

2 stops34h 05m

Chicago O'Hare Intl

Sun 3/29

8:20 pm-2:20 pm

2 stops40h 00m

$893

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Fri 12/5

8:10 am-6:36 pm

3 stops37h 26m

Chicago O'Hare Intl

Fri 12/12

12:09 pm-11:45 am

3 stops20h 36m

$938

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Fri 11/28

1:45 pm-5:30 am

1 stop18h 45m

Chicago O'Hare Intl

Wed 12/3

5:50 pm-4:40 pm

1 stop19h 50m

$953

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Tue 11/11

1:45 pm-10:05 am

2 stops23h 20m

Chicago O'Hare Intl

Sun 11/30

7:05 am-4:35 pm

2 stops30h 30m

$962

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Sun 2/8

8:05 pm-1:00 pm

2 stops19h 55m

Chicago O'Hare Intl

Mon 2/16

5:55 pm-1:15 pm

2 stops16h 20m

$968

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Mon 11/24

8:05 pm-12:39 pm

2 stops19h 34m

Chicago O'Hare Intl

Sat 11/29

1:14 pm-9:35 am

2 stops17h 21m

$986

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Mon 11/17

1:45 pm-5:30 am

1 stop18h 45m

Chicago O'Hare Intl

Thu 3/19

2:25 pm-2:20 pm

2 stops21h 55m

$986

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 19 results
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Best time to book a flight from Santos Dumont to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Santos Dumont 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 Rio de Janeiro Santos Dumont Airport to Illinois
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 Santos Dumont to Illinois. 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 Rio de Janeiro Santos Dumont Airport to Illinois?

    For as low as $733, United Airlines can have you in Illinois from Rio de Janeiro Santos Dumont Airport in 18h 45m. Rio de Janeiro Santos Dumont Airport and Illinois are separated by a distance of 5312 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santos Dumont to Illinois 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 Santos Dumont to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Santos Dumont to San Francisco flights
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Santos Dumont to Dallas/Fort Worth flights
Rio de Janeiro–Galeão Intl to Honolulu flights
Rio de Janeiro–Galeão Intl to Austin flights
Rio de Janeiro–Galeão Intl to Minneapolis flights
Rio de Janeiro–Galeão Intl to San Diego flights
Santos Dumont to Atlanta flights
Santos Dumont to Denver flights

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