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Santos Dumont

$306+ Cheap flights from O'Hare Intl (ORD) 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Santos Dumont

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Santos Dumont (SDU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$599
(United Airlines)

One-way from

$306
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$562
From Chicago O'Hare Intl to Rio de Janeiro Santos Dumont
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One-way flight from Chicago O'Hare Intl to Rio de Janeiro Santos Dumont
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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. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from O'Hare Intl to Santos Dumont

Cheapest flights from O'Hare Intl to Santos Dumont
Explore the most affordable flight options available from O'Hare Intl to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 10/266:50 pmORD - SDU
1 stop19h 55mUnited Airlines
Sat 11/85:30 pmSDU - ORD
2 stops19h 16mUnited Airlines
Deal found 9/9$589
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 9/249:15 pmORD - SDU
1 stop15h 05mUnited Airlines
Fri 10/311:45 pmSDU - ORD
1 stop19h 15mUnited Airlines
Deal found 9/11$599
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/276:50 pmORD - SDU
1 stop19h 55mUnited Airlines
Sat 11/85:30 pmSDU - ORD
2 stops19h 16mUnited Airlines
Deal found 9/9$609
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/139:15 pmORD - SDU
1 stop15h 05mUnited Airlines
Sun 10/262:50 pmSDU - ORD
1 stop18h 10mUnited Airlines
Deal found 9/9$619
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/276:20 pmORD - SDU
2 stops20h 25mUnited Airlines
Thu 11/61:45 pmSDU - ORD
2 stops22h 20mUnited Airlines
Deal found 9/9$633
This Mytrip deal was found by Cheapflights users on 9/9. 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 9/266:44 pmORD - SDU
2 stops24h 41mMultiple Airlines
Tue 9/3011:25 amSDU - ORD
3 stops23h 53mMultiple Airlines
Deal found 9/9$642
This Mytrip deal was found by Cheapflights users on 9/9. 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 10/77:43 pmORD - SDU
2 stops24h 42mMultiple Airlines
Tue 10/146:50 pmSDU - ORD
2 stops25h 48mMultiple Airlines
Deal found 9/9$645
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/16:44 pmORD - SDU
2 stops25h 41mMultiple Airlines
Wed 12/101:45 pmSDU - ORD
2 stops33h 35mMultiple Airlines
Deal found 9/10$655

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 September 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

O'Hare Intl

Fly to

Santos Dumont

Route

Depart

Return

Price

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 10/27

6:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Thu 11/6

1:45 pm-5:30 am

1 stop18h 45m

$599

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 9/24

9:15 pm-2:20 pm

1 stop15h 05m

Rio de Janeiro Santos Dumont

Fri 10/31

1:45 pm-7:00 am

1 stop19h 15m

$599

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 10/27

6:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Sat 11/8

5:30 pm-9:46 am

2 stops19h 16m

$609

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 1/19

5:50 pm-2:20 pm

1 stop17h 30m

Rio de Janeiro Santos Dumont

Sun 2/1

2:50 pm-5:30 am

1 stop17h 40m

$619

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 10/13

9:15 pm-2:20 pm

1 stop15h 05m

Rio de Janeiro Santos Dumont

Sun 10/26

2:50 pm-7:00 am

1 stop18h 10m

$619

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 2/4

8:50 am-2:20 pm

2 stops26h 30m

Rio de Janeiro Santos Dumont

Sun 2/8

2:50 pm-5:30 am

1 stop17h 40m

$645

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 10/22

9:15 pm-2:20 pm

1 stop15h 05m

Rio de Janeiro Santos Dumont

Mon 10/27

1:45 pm-7:00 am

1 stop19h 15m

$697

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 10/22

9:15 pm-2:20 pm

1 stop15h 05m

Rio de Janeiro Santos Dumont

Fri 10/31

1:45 pm-7:00 am

1 stop19h 15m

$697

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 11/11

8:00 am-10:45 am

2 stops23h 45m

$306

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 10/15

7:43 pm-10:25 pm

2 stops24h 42m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 16 results
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Best time to book a flight from O'Hare Intl to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 Chicago O'Hare Intl Airport to Rio de Janeiro Santos Dumont Airport?

    Airlines like United Airlines fly from Chicago O'Hare Intl Airport to Rio de Janeiro Santos Dumont Airport in about 19h 55m. The time it takes to get you to your destination can typically vary by up to . There are 5312 mi between Chicago O'Hare Intl Airport and Rio de Janeiro Santos Dumont Airport.

  • Can I find deals for flights from O'Hare Intl to Santos Dumont that include hotel bookings?

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

  • How can I find direct flights from O'Hare Intl to Santos Dumont?

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

  • Can I find deals for business class flights from O'Hare Intl to Santos Dumont?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl to Santos Dumont

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Rio de Janeiro–Galeão Intl flights
Midway to Rio de Janeiro–Galeão Intl flights

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