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$312+ Cheap flights from Santos Dumont, Brazil (SDU) to Chicago (CHI)

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — CHI
mars 13 — mars 201
ven. 3/13
ven. 3/20
1 adult, Economy
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Cheap flight deals from Santos Dumont to Chicago

Cheapest flights from Santos Dumont to Chicago
Explore the most affordable flight options available from Santos Dumont to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 11, 2026.

This LATAM Airlines deal was found by Cheapflights users on 2/8. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/151:55 pm
SDU
-
ORD
2 stops22h 05m
LATAM Airlines
dim. 9/201:30 pm
ORD
-
SDU
2 stops21h 40m
LATAM Airlines
Deal found 2/8$523
This LATAM Airlines deal was found by Cheapflights users on 2/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/158:15 pm
SDU
-
ORD
2 stops17h 53m
LATAM Airlines
mar. 10/61:15 pm
ORD
-
SDU
2 stops20h 05m
LATAM Airlines
Deal found 2/10$525
This Air Canada deal was found by Cheapflights users on 2/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/161:45 pm
SDU
-
ORD
2 stops27h 07m
Air Canada
mar. 9/2211:05 am
ORD
-
SDU
2 stops27h 40m
Air Canada
Deal found 2/8$625
This Air Canada deal was found by Cheapflights users on 2/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/161:45 pm
SDU
-
ORD
2 stops22h 32m
Air Canada
jeu. 9/249:50 am
ORD
-
SDU
2 stops28h 55m
Air Canada
Deal found 2/8$630
This 123 Milhas deal was found by Cheapflights users on 2/9. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/98:15 pm
SDU
-
ORD
2 stops18h 37m
LATAM Airlines
lun. 9/211:30 pm
ORD
-
SDU
2 stops21h 40m
LATAM Airlines
Deal found 2/9$662
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/41:50 pm
SDU
-
ORD
1 stop18h 40m
United Airlines
dim. 3/86:50 pm
ORD
-
SDU
1 stop19h 55m
United Airlines
Deal found 2/10$666
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/242:00 pm
SDU
-
ORD
2 stops24h 57m
Multiple Airlines
mar. 3/3112:50 pm
ORD
-
SDU
2 stops25h 55m
Multiple Airlines
Deal found 2/10$677

Find flight deals from Santos Dumont to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Santos Dumont (SDU) to Chicago (CHI). 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 février 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$666
(United Airlines)

One-way from

$312
(eDestinos)

Popular in

July

Cheapest in

December

Average price

$512
Provider with most accurate pricing for Rio de Janeiro (RIO)-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rio de Janeiro (RIO)-Chicago (CHI) flights.
Search Deals
From Rio de Janeiro Santos Dumont to Chicago (CHI)
Search Deals
One-way flight from Rio de Janeiro Santos Dumont to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santos Dumont to Chicago 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 février 11, 2026.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Chicago that are best for you.

Fly from

Santos Dumont

Fly to

Chicago

Route

Depart

Return

Price

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

mer. 3/4

1:50 pm-5:30 am

1 stop18h 40m

Chicago O'Hare Intl

dim. 3/8

6:50 pm-4:45 pm

1 stop19h 55m

$666

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

mer. 3/25

1:50 pm-7:00 am

1 stop19h 10m

Chicago O'Hare Intl

mer. 4/1

8:51 am-4:45 pm

2 stops29h 54m

$749

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

ven. 3/20

1:50 pm-7:55 pm

2 stops32h 05m

Chicago O'Hare Intl

dim. 3/29

9:30 pm-4:45 pm

1 stop17h 15m

$750

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

lun. 5/18

8:15 pm-1:47 pm

2 stops19h 32m

$312

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

lun. 5/18

9:20 pm-1:00 pm

3 stops41h 40m

$318

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

jeu. 5/21

9:20 pm-9:57 am

2 stops38h 37m

$340

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

mar. 3/10

8:05 pm-6:29 pm

2 stops24h 24m

$340

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

jeu. 3/12

1:50 pm-7:00 am

1 stop19h 10m

$346

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

lun. 5/18

1:45 pm-6:45 am

1 stop19h 00m

$348

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

mar. 3/10

1:50 pm-7:00 am

1 stop19h 10m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Best time to book a flight from Santos Dumont to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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 Chicago
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 Chicago. 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 Chicago?

    For as low as $666, United Airlines can have you in Chicago from Rio de Janeiro Santos Dumont Airport in 18h 40m. There are 5312 mi between Rio de Janeiro Santos Dumont Airport and Chicago.

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

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

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

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

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

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

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

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