HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santos Dumont

$258+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDU
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Santos Dumont with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$618
(KAYAK)

One-way from

$258
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$807
Provider with most accurate pricing for Chicago O'Hare Intl-Rio de Janeiro Santos Dumont flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Rio de Janeiro Santos Dumont flights.
Search Deals
From Chicago O'Hare Intl to Rio de Janeiro Santos Dumont
Search Deals
One-way flight from Chicago O'Hare Intl to Rio de Janeiro Santos Dumont
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 27, 2025.

This Mytrip deal was found by Cheapflights users on 10/27. 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.
Tue 12/211:40 amORD - SDU
2 stops31h 45mMultiple Airlines
Mon 12/81:45 pmSDU - ORD
3 stops37h 24mMultiple Airlines
Deal found 10/27$649
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/105:50 pmORD - SDU
1 stop19h 55mUnited Airlines
Thu 11/131:45 pmSDU - ORD
1 stop18h 45mUnited Airlines
Deal found 10/25$663
This KAYAK deal was found by Cheapflights users on 10/25. 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.
Sun 12/288:00 amORD - SDU
2 stops26h 15mLATAM Airlines
Mon 1/52:00 pmSDU - ORD
2 stops23h 06mLATAM Airlines
Deal found 10/25$668
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:50 pmORD - SDU
1 stop19h 55mUnited Airlines
Mon 11/241:45 pmSDU - ORD
2 stops23h 01mUnited Airlines
Deal found 10/26$673
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:50 pmORD - SDU
1 stop19h 55mUnited Airlines
Thu 12/41:45 pmSDU - ORD
1 stop18h 45mUnited Airlines
Deal found 10/26$689
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:50 pmORD - SDU
1 stop20h 55mUnited Airlines
Tue 12/91:45 pmSDU - ORD
2 stops23h 17mUnited Airlines
Deal found 10/26$699

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 October 27, 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

Tue 12/2

11:40 am-12:20 pm

3 stops21h 40m

Rio de Janeiro Santos Dumont

Mon 12/8

1:45 pm-8:01 pm

3 stops33h 16m

$654

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 11/10

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Thu 11/13

1:45 pm-5:30 am

1 stop18h 45m

$663

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 11/17

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Tue 11/25

1:45 pm-5:30 am

1 stop18h 45m

$663

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sun 11/16

7:10 am-4:40 pm

2 stops30h 30m

Rio de Janeiro Santos Dumont

Mon 11/24

1:45 pm-5:30 am

1 stop18h 45m

$668

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 11/24

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Tue 12/2

1:45 pm-5:30 am

1 stop18h 45m

$689

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 11/24

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Fri 12/5

1:45 pm-5:30 am

1 stop18h 45m

$689

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 11/26

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Tue 12/2

1:45 pm-5:30 am

1 stop18h 45m

$689

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 11/29

5:50 pm-5:45 pm

1 stop20h 55m

Rio de Janeiro Santos Dumont

Wed 12/3

1:45 pm-5:30 am

1 stop18h 45m

$689

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 11/24

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Wed 12/3

1:45 pm-5:30 am

1 stop18h 45m

$689

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 11/29

5:50 pm-11:10 am

1 stop14h 20m

Rio de Janeiro Santos Dumont

Fri 12/5

1:45 pm-5:30 am

1 stop18h 45m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Rio de Janeiro Santos Dumont Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Rio de Janeiro Santos Dumont Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Rio de Janeiro Santos Dumont Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Rio de Janeiro Santos Dumont Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Rio de Janeiro Santos Dumont Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.