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$351+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDU — CHI
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$680
(Mytrip)

One-way from

$351
(Trip.com)

Popular in

January

Cheapest in

February

Average price

$781
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 Chicago (CHI)
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One-way flight from Rio de Janeiro Santos Dumont to Chicago (CHI)
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Highest demand for flights based on searches. 6% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. 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 5/267:55 amSDU - ORD
3 stops40h 10mMultiple Airlines
Sun 6/84:35 pmORD - SDU
2 stops17h 50mMultiple Airlines
Deal found 4/28$680
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/201:05 pmSDU - ORD
1 stop19h 40mUnited Airlines
Tue 5/279:20 pmORD - SDU
1 stop16h 30mUnited Airlines
Deal found 4/29$772
This KAYAK deal was found by Cheapflights users on 4/28. 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.
Wed 8/136:00 amSDU - ORD
2 stops18h 41mGOL
Sat 8/233:05 pmORD - SDU
2 stops17h 35mGOL
Deal found 4/28$791
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/68:20 pmSDU - ORD
2 stops18h 29mDelta
Thu 12/410:05 amORD - SDU
2 stops20h 00mDelta
Deal found 4/28$794
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Wed 5/77:55 amSDU - ORD
2 stops32h 52mAir Canada
Wed 6/113:35 pmORD - SDU
2 stops22h 15mAir Canada
Deal found 4/29$837

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 April 30, 2025.
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

Mon 5/26

7:55 am-10:05 pm

3 stops40h 10m

Chicago O'Hare Intl

Sun 6/8

4:35 pm-12:25 pm

2 stops17h 50m

$680

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Tue 5/20

1:05 pm-6:45 am

1 stop19h 40m

Chicago O'Hare Intl

Tue 5/27

9:20 pm-3:50 pm

1 stop16h 30m

$772

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Wed 8/13

6:00 am-10:41 pm

2 stops18h 41m

Chicago O'Hare Intl

Sat 8/23

3:05 pm-10:40 am

2 stops17h 35m

$791

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Wed 8/6

8:20 pm-12:49 pm

2 stops18h 29m

Chicago O'Hare Intl

Thu 12/4

10:05 am-9:05 am

2 stops20h 00m

$794

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Wed 5/21

7:55 am-9:52 am

2 stops27h 57m

Chicago O'Hare Intl

Wed 6/25

8:40 am-3:50 pm

2 stops29h 10m

$842

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Sat 8/16

1:00 pm-1:15 pm

2 stops26h 15m

$351

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Wed 6/25

8:20 pm-12:47 pm

2 stops18h 27m

$363

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Sat 8/16

1:00 pm-6:45 am

1 stop19h 45m

$423

Rio de JaneiroChicago

SDU - ORD

SDUORD

Rio de Janeiro Santos Dumont

Sat 8/9

5:40 pm-1:15 pm

2 stops45h 35m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated April 30, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines and United Airlines from Rio de Janeiro to Chicago. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
GOL
7.3
Good
1,068 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,244 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Rio de Janeiro Santos Dumont Airport to Chicago one-way?

    $363 is the cheapest one-way deal found within the past few days, from LATAM Airlines. You may also be able to find cheap deals on United Airlines and GOL, with prices starting from $423 and $454, respectively.

  • 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.

  • What is the cheapest month to book a flight from Rio de Janeiro Santos Dumont Airport to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Rio de Janeiro Santos Dumont Airport to Chicago (average of $245). Flying from Rio de Janeiro Santos Dumont Airport to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Rio de Janeiro Santos Dumont Airport?

Book flights to Rio de Janeiro Santos Dumont Airport if you plan to visit one of these locations
Merrillville
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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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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