Santos Dumont

$325+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDU
Jul 8 — Jul 151
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

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 June 8, 2026.

This KAYAK deal was found by Cheapflights users on 6/8. 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 10/296:50 pm
ORD
-
SDU
1 stop19h 55m
Azul
Thu 11/51:45 pm
SDU
-
ORD
1 stop18h 30m
Azul
Deal found 6/8$755
This Ovago deal was found by Cheapflights users on 6/6. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:50 pm
ORD
-
SDU
1 stop19h 55m
Azul
Tue 11/101:45 pm
SDU
-
ORD
1 stop18h 30m
Azul
Deal found 6/6$756
This Mytrip deal was found by Cheapflights users on 6/4. 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 8/76:45 am
ORD
-
SDU
2 stops23h 10m
Multiple Airlines
Fri 8/216:10 am
SDU
-
ORD
3 stops31h 02m
Multiple Airlines
Deal found 6/4$759
This LATAM Airlines deal was found by Cheapflights users on 6/5. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:30 pm
ORD
-
SDU
2 stops23h 10m
LATAM Airlines
Wed 9/164:40 pm
SDU
-
ORD
2 stops22h 00m
LATAM Airlines
Deal found 6/5$762
This Expedia deal was found by Cheapflights users on 6/8. 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 10/2910:22 am
ORD
-
SDU
2 stops25h 58m
Multiple Airlines
Thu 11/51:55 pm
SDU
-
ORD
2 stops32h 17m
Multiple Airlines
Deal found 6/8$771
This Ovago deal was found by Cheapflights users on 6/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:30 pm
ORD
-
SDU
1 stop17h 15m
Copa Airlines
Wed 6/241:45 pm
SDU
-
ORD
1 stop19h 00m
Copa Airlines
Deal found 6/3$785
This Flysmarter deal was found by Cheapflights users on 6/7. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:30 pm
ORD
-
SDU
1 stop17h 15m
Multiple Airlines
Sun 7/123:00 pm
SDU
-
ORD
1 stop17h 45m
Multiple Airlines
Deal found 6/7$791
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:02 pm
ORD
-
SDU
2 stops21h 33m
GOL
Thu 11/128:45 pm
SDU
-
ORD
2 stops29h 23m
GOL
Deal found 6/7$796
This United Airlines deal was found by Cheapflights users on 6/7. 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 11/45:50 pm
ORD
-
SDU
1 stop19h 55m
United Airlines
Thu 11/121:45 pm
SDU
-
ORD
1 stop18h 30m
United Airlines
Deal found 6/7$797
This United Airlines deal was found by Cheapflights users on 6/3. 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 6/149:30 pm
ORD
-
SDU
1 stop17h 15m
United Airlines
Thu 6/181:50 pm
SDU
-
ORD
1 stop18h 55m
United Airlines
Deal found 6/3$798
This KAYAK deal was found by Cheapflights users on 6/5. 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.
Fri 10/306:50 pm
ORD
-
SDU
1 stop16h 20m
Multiple Airlines
Fri 11/131:45 pm
SDU
-
ORD
1 stop18h 30m
Multiple Airlines
Deal found 6/5$799

Find 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 June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$755
(KAYAK)

One-way from

$325
(LATAM Airlines)

Popular in

December

Cheapest in

November

Average price

$739
Provider with most accurate pricing for Chicago O'Hare Intl-Rio de Janeiro Santos Dumont flight deals.
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Rio de Janeiro Santos Dumont flights.
From Chicago O'Hare Intl to Rio de Janeiro Santos Dumont
One-way flight from Chicago O'Hare Intl to Rio de Janeiro Santos Dumont
Highest demand for flights based on searches. 6% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 8, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Thu 11/5

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Sat 11/14

5:30 pm-5:15 am

1 stop14h 45m

$798

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 11/30

5:50 pm-4:45 pm

1 stop19h 55m

Rio de Janeiro Santos Dumont

Fri 12/4

1:45 pm-5:15 am

1 stop18h 30m

$963

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 11/2

7:10 am-4:45 pm

2 stops30h 35m

Rio de Janeiro Santos Dumont

Mon 11/9

1:45 pm-5:15 am

1 stop18h 30m

$968
Quickest round-trip

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sun 11/15

6:04 pm-4:45 pm

2 stops19h 41m

Rio de Janeiro Santos Dumont

Sat 11/21

5:30 pm-5:15 am

1 stop14h 45m

$968

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 6/23

1:30 pm-4:45 pm

2 stops25h 15m

Rio de Janeiro Santos Dumont

Wed 7/1

1:45 pm-6:45 am

1 stop19h 00m

$968

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sun 6/21

9:30 pm-4:45 pm

1 stop17h 15m

Rio de Janeiro Santos Dumont

Mon 7/6

1:45 pm-9:36 am

2 stops21h 51m

$974

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 8/17

9:30 pm-4:45 pm

1 stop17h 15m

Rio de Janeiro Santos Dumont

Mon 8/24

1:45 pm-6:45 am

1 stop19h 00m

$1,053

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 9/15

9:30 pm-4:45 pm

1 stop17h 15m

Rio de Janeiro Santos Dumont

Wed 9/23

1:45 pm-6:45 am

1 stop19h 00m

$1,054

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Thu 7/2

9:30 pm-4:45 pm

1 stop17h 15m

Rio de Janeiro Santos Dumont

Thu 7/9

1:45 pm-6:45 am

1 stop19h 00m

$1,054
Cheapest one-way

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 8/22

1:55 pm-8:35 am

2 stops40h 40m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 18 resultsSorted by cheapest first
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.

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.