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Santos Dumont

$305+ Cheap flights from Illinois 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SDU
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Illinois to Santos Dumont

Keep the following information in mind while searching for Illinois to Santos Dumont flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$621
(Mytrip)

One-way from

$305
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$722
Provider with most accurate pricing for Chicago (CHI)-Rio de Janeiro (RIO) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Rio de Janeiro (RIO) flights.
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From Illinois to Rio de Janeiro Santos Dumont
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One-way flight from Illinois to Rio de Janeiro Santos Dumont
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Highest demand for flights based on searches. 14% potential increase in price ($145 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 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 Illinois to Santos Dumont

Cheapest flights from Illinois to Santos Dumont
Explore the most affordable flight options available from Illinois to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Mytrip deal was found by Cheapflights users on 3/31. 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 5/122:19 pmORD - SDU
3 stops20h 06mMultiple Airlines
Mon 5/196:15 amSDU - ORD
3 stops28h 35mMultiple Airlines
Deal found 3/31$621
This Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/154:00 pmORD - SDU
2 stops21h 50mAir Canada
Thu 5/227:55 amSDU - ORD
2 stops32h 52mAir Canada
Deal found 3/31$658
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Sat 5/2410:10 amSTL - SDU
2 stops34h 15mMultiple Airlines
Wed 5/286:10 amSDU - STL
3 stops29h 05mMultiple Airlines
Deal found 3/31$674
This LATAM Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 4/2810:37 amORD - SDU
2 stops21h 48mLATAM Airlines
Thu 5/291:30 pmSDU - ORD
2 stops25h 18mLATAM Airlines
Deal found 3/31$717
This Gurufare deal was found by Cheapflights users on 3/31. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/153:22 pmORD - SDU
2 stops20h 43mGOL
Sat 9/206:00 amSDU - ORD
2 stops18h 34mGOL
Deal found 3/31$795
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/129:20 pmORD - SDU
1 stop16h 30mUnited Airlines
Mon 5/191:05 pmSDU - ORD
1 stop19h 40mUnited Airlines
Deal found 3/31$797
This Gurufare deal was found by Cheapflights users on 3/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:34 pmSTL - SDU
2 stops18h 31mGOL
Wed 11/126:00 amSDU - STL
2 stops20h 01mGOL
Deal found 3/30$1,034
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/163:40 pmMDW - SDU
2 stops20h 00mLATAM Airlines
Sat 9/202:20 pmSDU - MDW
2 stops21h 31mLATAM Airlines
Deal found 3/31$1,085
This LATAM Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 9/53:30 pmSTL - SDU
2 stops21h 00mLATAM Airlines
Sun 9/148:20 pmSDU - STL
2 stops16h 20mLATAM Airlines
Deal found 3/30$1,115
This United Airlines deal was found by Cheapflights users on 3/31. 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 8/2512:35 pmSTL - SDU
2 stops25h 15mUnited Airlines
Sat 8/301:00 pmSDU - STL
2 stops27h 26mUnited Airlines
Deal found 3/31$1,250
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Sun 5/189:40 amMDW - SDU
3 stops26h 00mMultiple Airlines
Tue 5/201:05 pmSDU - MDW
3 stops30h 40mMultiple Airlines
Deal found 3/31$1,296
This Delta deal was found by Cheapflights users on 3/31. 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 5/146:00 amMDW - SDU
2 stops25h 35mDelta
Wed 5/282:15 pmSDU - MDW
2 stops23h 38mDelta
Deal found 3/31$2,241

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 April 1, 2025.
Use the filters below to find and compare flights from Illinois to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Illinois

Fly to

Santos Dumont

Route

Depart

Return

Price

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 5/12

2:19 pm-12:25 pm

3 stops20h 06m

Rio de Janeiro Santos Dumont

Mon 5/19

6:15 am-8:50 am

3 stops28h 35m

$621

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Thu 5/15

4:00 pm-3:50 pm

2 stops21h 50m

Rio de Janeiro Santos Dumont

Thu 5/22

7:55 am-2:47 pm

2 stops32h 52m

$658

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Sat 5/24

10:10 am-10:25 pm

2 stops34h 15m

Rio de Janeiro Santos Dumont

Wed 5/28

6:10 am-9:15 am

3 stops29h 05m

$674

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 4/28

10:37 am-10:25 am

2 stops21h 48m

Rio de Janeiro Santos Dumont

Thu 5/29

1:30 pm-12:48 pm

2 stops25h 18m

$717

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 9/15

3:22 pm-2:05 pm

2 stops20h 43m

Rio de Janeiro Santos Dumont

Sat 9/20

6:00 am-10:34 pm

2 stops18h 34m

$795

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 5/12

9:20 pm-3:50 pm

1 stop16h 30m

Rio de Janeiro Santos Dumont

Mon 5/19

1:05 pm-6:45 am

1 stop19h 40m

$797

ChicagoRio de Janeiro

MDW - SDU

MDWSDU

Chicago Midway

Tue 9/16

3:40 pm-1:40 pm

2 stops20h 00m

Rio de Janeiro Santos Dumont

Sat 9/20

2:20 pm-9:51 am

2 stops21h 31m

$1,085

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Fri 9/5

3:30 pm-2:30 pm

2 stops21h 00m

Rio de Janeiro Santos Dumont

Sun 9/14

8:20 pm-10:40 am

2 stops16h 20m

$1,115

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Mon 8/25

12:35 pm-3:50 pm

2 stops25h 15m

Rio de Janeiro Santos Dumont

Sat 8/30

1:00 pm-2:26 pm

2 stops27h 26m

$1,250

ChicagoRio de Janeiro

MDW - SDU

MDWSDU

Chicago Midway

Sun 5/18

9:40 am-1:40 pm

3 stops26h 00m

Rio de Janeiro Santos Dumont

Tue 5/20

1:05 pm-5:45 pm

3 stops30h 40m

$1,296

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 19 results
1
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Best time to book a flight from Illinois to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Illinois 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 Illinois to Rio de Janeiro Santos Dumont Airport

Rainfall in Santos Dumont by month

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

In terms of precipitation, rainfall in Rio de Janeiro Santos Dumont Airport ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro Santos Dumont Airport when rainfall is around 1.6 in.

Temperature in Santos Dumont by month

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

If weather is an important factor for your trip to Rio de Janeiro Santos Dumont Airport, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Santos Dumont

Get insights into the airlines that provide service to Santos Dumont. 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 Santos Dumont. Reviews last updated April 1, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines and United Airlines from Illinois to Rio de Janeiro. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,754 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
GOL
7.3
Good
1,053 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,013 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Santos Dumont. 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 Illinois to Rio de Janeiro Santos Dumont Airport one-way?

    To fly one-way, consider booking your trip with GOL, which is currently one of the cheapest options available, starting at $382. LATAM Airlines flights start at $480 while deals on United Airlines start at $511 one-way.

  • What are the most popular routes from Illinois to Rio de Janeiro Santos Dumont Airport?

    While some choose either Chicago Midway - Rio de Janeiro Santos Dumont or Lambert-St Louis - Rio de Janeiro Santos Dumont, Chicago O'Hare Intl - Rio de Janeiro Santos Dumont is the most popular route from Illinois to Rio de Janeiro Santos Dumont Airport.

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

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Rio de Janeiro–Galeão Intl flights
John F Kennedy Intl to Rio de Janeiro–Galeão Intl flights
John F Kennedy Intl to Santos Dumont flights
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