How long is the flight from Illinois to Rio de Janeiro Santos Dumont Airport?

There are many flights that can get you from Illinois to Rio de Janeiro Santos Dumont Airport in 19h 50m. Fly via United Airlines or LATAM Airlines to get the fastest option. The distance from Illinois to Rio de Janeiro Santos Dumont Airport is about 5312 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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.

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).

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.

What is the cheapest time of day to fly from IL to SDU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Rio de Janeiro Santos Dumont Airport as you normally would.

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.

$290+ Flights from Illinois to Rio de Janeiro Santos Dumont Airport, Brazil

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Cheap 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 December 18, 2025.

Thu 12/1810:11 amORD - SDU

2 stops24h 59mMultiple Airlines

Tue 12/232:00 pmSDU - ORD

2 stops24h 52mMultiple Airlines

Deal found 12/17

$1,685

Tue 12/307:20 amORD - SDU

2 stops26h 25mMultiple Airlines

Sat 1/38:05 pmSDU - ORD

2 stops28h 05mMultiple Airlines

Deal found 12/17

$1,773

Tue 12/2312:32 pmORD - SDU

2 stops19h 13mGOL

Sun 1/115:40 pmSDU - ORD

2 stops18h 25mGOL

Deal found 12/16

$1,812

Tue 12/2312:55 pmORD - SDU

2 stops21h 20mLATAM Airlines

Tue 1/68:05 pmSDU - ORD

2 stops20h 09mLATAM Airlines

Deal found 12/16

$1,905

Sun 12/284:41 pmORD - SDU

2 stops26h 44mGOL

Sun 1/49:35 amSDU - ORD

2 stops38h 44mGOL

Deal found 12/18

$1,921

Thu 12/259:50 amORD - SDU

2 stops25h 20mGOL

Sun 1/48:25 pmSDU - ORD

2 stops31h 18mGOL

Deal found 12/16

$1,968

Fri 12/194:41 pmORD - SDU

2 stops45h 14mMultiple Airlines

Thu 12/2511:20 amSDU - ORD

2 stops26h 58mMultiple Airlines

Deal found 12/16

$1,983

Wed 12/315:31 pmORD - SDU

2 stops16h 44mLATAM Airlines

Tue 1/68:05 pmSDU - ORD

2 stops20h 09mLATAM Airlines

Deal found 12/16

$1,993

Fri 12/263:04 pmORD - SDU

2 stops16h 41mGOL

Mon 1/56:00 amSDU - ORD

2 stops19h 59mGOL

Deal found 12/16

$2,023

Fri 12/194:41 pmORD - SDU

2 stops39h 04mGOL

Sun 1/49:35 amSDU - ORD

2 stops42h 08mGOL

Deal found 12/16

$2,044

Fri 12/267:20 amORD - SDU

3 stops33h 05mMultiple Airlines

Mon 1/52:05 pmSDU - ORD

3 stops33h 15mMultiple Airlines

Deal found 12/16

$2,080

Fri 12/266:00 pmSTL - SDU

2 stops25h 25mGOL

Wed 1/78:25 pmSDU - STL

2 stops30h 34mGOL

Deal found 12/16

$2,383

Best flights from Illinois to Santos Dumont
Discover carefully curated flight deals from Illinois to Santos Dumont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Wed 1/219:23 amORD - SDU

3 stops26h 07mMultiple Airlines

Wed 1/2811:20 amSDU - ORD

3 stops33h 56mMultiple Airlines

Deal found 12/16

$657

Sun 3/15:50 pmORD - SDU

1 stop19h 50mUnited Airlines

Thu 3/121:45 pmSDU - ORD

1 stop19h 15mUnited Airlines

Deal found 12/17

$663

Sat 3/141:37 pmORD - SDU

2 stops17h 58mLATAM Airlines

Thu 3/198:05 pmSDU - ORD

2 stops19h 27mLATAM Airlines

Deal found 12/16

$747

Mon 3/25:50 pmORD - SDU

1 stop19h 50mUnited Airlines

Thu 3/121:45 pmSDU - ORD

1 stop19h 15mUnited Airlines

Deal found 12/17

$663

Tue 6/24:45 pmORD - SDU

2 stops16h 05mMultiple Airlines

Sat 6/68:15 pmSDU - ORD

2 stops25h 11mMultiple Airlines

Deal found 12/17

$709

Sun 3/86:50 pmORD - SDU

1 stop19h 50mUnited Airlines

Fri 3/201:45 pmSDU - ORD

1 stop19h 15mUnited Airlines

Deal found 12/17

$663

Fri 2/2011:19 amSTL - SDU

2 stops20h 26mGOL

Sat 2/213:00 pmSDU - STL

2 stops22h 26mGOL

Deal found 12/17

$1,474

Tue 3/35:50 pmORD - SDU

1 stop19h 50mUnited Airlines

Thu 3/121:45 pmSDU - ORD

1 stop19h 15mUnited Airlines

Deal found 12/17

$663

Sun 3/18:00 amORD - SDU

2 stops29h 40mUnited Airlines

Thu 3/51:45 pmSDU - ORD

1 stop18h 45mUnited Airlines

Deal found 12/16

$667

Tue 3/176:50 pmORD - SDU

1 stop19h 50mUnited Airlines

Sat 3/215:30 pmSDU - ORD

2 stops18h 37mUnited Airlines

Deal found 12/16

$673

Wed 4/84:05 pmSTL - SDU

2 stops22h 40mMultiple Airlines

Thu 4/98:40 pmSDU - STL

2 stops44h 44mMultiple Airlines

Deal found 12/15

$1,011

Mon 3/167:10 amSTL - SDU

2 stops24h 15mLATAM Airlines

Tue 3/172:00 pmSDU - STL

2 stops35h 42mLATAM Airlines

Deal found 12/16

$1,203

Sat 3/146:50 pmORD - SDU

1 stop14h 20mUnited Airlines

Thu 3/191:45 pmSDU - ORD

1 stop19h 15mUnited Airlines

Deal found 12/16

$748

Wed 3/45:50 pmORD - SDU

1 stop19h 50mUnited Airlines

Sat 3/145:30 pmSDU - ORD

1 stop15h 30mUnited Airlines

Deal found 12/17

$748

Tue 3/175:00 pmSTL - SDU

2 stops21h 30mLATAM Airlines

Wed 3/188:05 pmSDU - STL

2 stops23h 48mLATAM Airlines

Deal found 12/16

$1,247

Sat 1/175:31 pmMDW - SDU

2 stops16h 44mLATAM Airlines

Sat 1/318:05 pmSDU - MDW

2 stops18h 54mLATAM Airlines

Deal found 12/17

$1,275

Sat 1/315:07 pmSTL - SDU

2 stops26h 18mGOL

Sat 2/78:25 pmSDU - STL

2 stops30h 34mGOL

Deal found 12/17

$1,660

Sat 5/910:35 amMDW - SDU

2 stops24h 05mLATAM Airlines

Sat 5/168:15 pmSDU - MDW

2 stops17h 41mLATAM Airlines

Deal found 12/16

$1,385

Mon 6/17:30 amSTL - SDU

2 stops27h 40mMultiple Airlines

Mon 6/81:45 pmSDU - STL

2 stops24h 21mMultiple Airlines

Deal found 12/16

$1,525

Mon 3/165:38 pmMDW - SDU

2 stops17h 37mLATAM Airlines

Sat 3/218:05 pmSDU - MDW

2 stops17h 57mLATAM Airlines

Deal found 12/17

$1,536

Wed 2/119:57 amSTL - SDU

2 stops25h 33mUnited Airlines

Sun 2/152:50 pmSDU - STL

2 stops24h 31mUnited Airlines

Deal found 12/17

$1,295

Sun 3/226:25 amSTL - SDU

2 stops32h 15mUnited Airlines

Thu 3/261:45 pmSDU - STL

2 stops22h 51mUnited Airlines

Deal found 12/15

$1,296

Sun 3/85:38 pmMDW - SDU

2 stops17h 37mLATAM Airlines

Fri 3/202:00 pmSDU - MDW

2 stops27h 25mLATAM Airlines

Deal found 12/17

$1,810

Thu 1/224:05 pmSTL - SDU

2 stops19h 25mMultiple Airlines

Fri 1/234:50 pmSDU - STL

2 stops25h 39mMultiple Airlines

Deal found 12/15

$2,230

Fri 1/3012:48 pmMDW - SDU

2 stops21h 27mLATAM Airlines

Fri 2/62:00 pmSDU - MDW

2 stops22h 53mLATAM Airlines

Deal found 12/16

$1,930

Thu 3/195:38 pmMDW - SDU

2 stops17h 37mLATAM Airlines

Wed 3/258:05 pmSDU - MDW

2 stops17h 57mLATAM Airlines

Deal found 12/16

$2,332

Mon 1/1912:48 pmMDW - SDU

2 stops17h 37mLATAM Airlines

Tue 1/278:05 pmSDU - MDW

2 stops18h 54mLATAM Airlines

Deal found 12/15

$3,007

Sun 1/45:05 pmMDW - SDU

2 stops17h 10mLATAM Airlines

Tue 1/278:05 pmSDU - MDW

2 stops18h 54mLATAM Airlines

Deal found 12/17

$3,086

Fri 3/612:46 pmMDW - SDU

2 stops17h 49mLATAM Airlines

Sat 3/148:05 pmSDU - MDW

2 stops17h 57mLATAM Airlines

Deal found 12/17

$3,091

Thu 1/155:31 pmMDW - SDU

2 stops16h 44mLATAM Airlines

Thu 1/228:05 pmSDU - MDW

2 stops18h 54mLATAM Airlines

Deal found 12/16

$3,402

Last-minute flights from Illinois to Santos Dumont
Discover last-minute flight deals from Illinois to Santos Dumont. Data last updated December 18, 2025 and is based on user searches.

Thu 1/155:15 amORD - SDU

3 stops33h 55mMultiple Airlines

Tue 1/278:10 amSDU - ORD

3 stops27h 08mMultiple Airlines

Deal found 12/18

$794

Fri 1/163:35 pmORD - SDU

2 stops23h 35mMultiple Airlines

Sat 1/316:50 pmSDU - ORD

2 stops29h 20mMultiple Airlines

Deal found 12/16

$840

Sat 1/1710:27 amORD - SDU

2 stops19h 43mMultiple Airlines

Sat 1/315:10 pmSDU - ORD

2 stops31h 00mMultiple Airlines

Deal found 12/16

$699

Sat 1/175:31 pmMDW - SDU

2 stops16h 44mLATAM Airlines

Sat 1/318:05 pmSDU - MDW

2 stops18h 54mLATAM Airlines

Deal found 12/17

$1,275

Mon 1/1910:20 pmORD - SDU

2 stops20h 55mMultiple Airlines

Tue 1/278:10 amSDU - ORD

3 stops27h 08mMultiple Airlines

Deal found 12/15

$775

Wed 1/218:00 amORD - SDU

2 stops27h 30mAir Canada

Wed 1/2811:20 amSDU - ORD

2 stops30h 35mAir Canada

Deal found 12/16

$633

Wed 1/219:23 amORD - SDU

3 stops26h 07mMultiple Airlines

Wed 1/2811:20 amSDU - ORD

3 stops33h 56mMultiple Airlines

Deal found 12/16

$657

Thu 1/223:35 pmORD - SDU

2 stops19h 55mAir Canada

Wed 1/2811:20 amSDU - ORD

2 stops30h 35mAir Canada

Deal found 12/16

$630

Thu 1/2212:48 pmMDW - SDU

2 stops17h 37mLATAM Airlines

Wed 1/288:05 pmSDU - MDW

2 stops18h 54mLATAM Airlines

Deal found 12/16

$1,139

Thu 1/224:05 pmSTL - SDU

2 stops19h 25mMultiple Airlines

Fri 1/234:50 pmSDU - STL

2 stops25h 39mMultiple Airlines

Deal found 12/15

$2,230

Fri 1/3012:48 pmMDW - SDU

2 stops21h 27mLATAM Airlines

Fri 2/62:00 pmSDU - MDW

2 stops22h 53mLATAM Airlines

Deal found 12/16

$1,930

Sat 1/315:07 pmSTL - SDU

2 stops26h 18mGOL

Sat 2/78:25 pmSDU - STL

2 stops30h 34mGOL

Deal found 12/17

$1,660

One-way flights from Illinois to Santos Dumont
Search for one-way flight options from Illinois to Santos Dumont. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Wed 12/315:45 amORD - SDU

2 stops24h 25mMultiple Airlines

Deal found 12/17

$290

Wed 1/149:23 amORD - SDU

3 stops26h 07mMultiple Airlines

Deal found 12/17

$303

Thu 3/129:43 amORD - SDU

2 stops25h 32mLATAM Airlines

Deal found 12/17

$304

Sun 3/222:25 pmORD - SDU

2 stops20h 50mLATAM Airlines

Deal found 12/17

$314

Sun 3/84:51 pmSTL - SDU

3 stops26h 14mMultiple Airlines

Deal found 12/15

$319

Sun 3/156:50 pmORD - SDU

1 stop19h 50mUnited Airlines

Deal found 12/17

$320

Wed 12/315:50 pmORD - SDU

1 stop17h 40mUnited Airlines

Deal found 12/17

$321

Mon 1/198:32 pmSTL - SDU

3 stops35h 13mMultiple Airlines

Deal found 12/17

$334

Mon 5/186:34 pmORD - SDU

3 stops35h 06mMultiple Airlines

Deal found 12/16

$340

Sun 3/152:57 pmORD - SDU

2 stops17h 48mGOL

Deal found 12/18

$348

Wed 5/206:34 pmORD - SDU

3 stops35h 06mMultiple Airlines

Deal found 12/16

$356

Wed 3/184:51 pmSTL - SDU

3 stops40h 44mMultiple Airlines

Deal found 12/16

$396

Find flight deals from Illinois to Santos Dumont

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$590 (Gotogate)
One-way from	$290 (Mytrip)
Popular in	December
Cheapest in	September
Average price	$1,051

Provider with most accurate pricing for Chicago (CHI)-Rio de Janeiro (RIO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chicago (CHI)-Rio de Janeiro (RIO) flights.

Search Deals

From Illinois to Rio de Janeiro Santos Dumont

Search Deals

One-way flight from Illinois to Rio de Janeiro Santos Dumont

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($75 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 1/21

9:23 am-2:30 pm

3 stops26h 07m

Rio de Janeiro Santos Dumont

Wed 1/28

11:20 am-6:16 pm

3 stops33h 56m

$657

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sun 3/1

5:50 pm-4:40 pm

1 stop19h 50m

Rio de Janeiro Santos Dumont

Thu 3/12

1:45 pm-7:00 am

1 stop19h 15m

$663

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 3/2

5:50 pm-4:40 pm

1 stop19h 50m

Rio de Janeiro Santos Dumont

Thu 3/12

1:45 pm-7:00 am

1 stop19h 15m

$663

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sun 3/8

6:50 pm-4:40 pm

1 stop19h 50m

Rio de Janeiro Santos Dumont

Fri 3/20

1:45 pm-7:00 am

1 stop19h 15m

$663

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 3/3

5:50 pm-4:40 pm

1 stop19h 50m

Rio de Janeiro Santos Dumont

Thu 3/12

1:45 pm-7:00 am

1 stop19h 15m

$663

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sun 3/1

8:00 am-4:40 pm

2 stops29h 40m

Rio de Janeiro Santos Dumont

Thu 3/5

1:45 pm-5:30 am

1 stop18h 45m

$667

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 3/17

6:50 pm-4:40 pm

1 stop19h 50m

Rio de Janeiro Santos Dumont

Sat 3/21

5:30 pm-10:07 am

2 stops18h 37m

$673

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 6/2

4:45 pm-10:50 am

2 stops16h 05m

Rio de Janeiro Santos Dumont

Sat 6/6

8:15 pm-7:26 pm

2 stops25h 11m

$709

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 3/14

1:37 pm-9:35 am

2 stops17h 58m

Rio de Janeiro Santos Dumont

Thu 3/19

8:05 pm-1:32 pm

2 stops19h 27m

$747

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 3/14

6:50 pm-11:10 am

1 stop14h 20m

Rio de Janeiro Santos Dumont

Thu 3/19

1:45 pm-7:00 am

1 stop19h 15m

$748

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 54 results

...

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

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Illinois to Rio de Janeiro Santos Dumont Airport?
There are many flights that can get you from Illinois to Rio de Janeiro Santos Dumont Airport in 19h 50m. Fly via United Airlines or LATAM Airlines to get the fastest option. The distance from Illinois to Rio de Janeiro Santos Dumont Airport is about 5312 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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.

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$290+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Illinois to Santos Dumont

Cheapest flights from Illinois to Santos DumontExplore 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 December 18, 2025.

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 December 18, 2025.

Find 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 December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Rio de Janeiro Santos Dumont Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Rio de Janeiro Santos Dumont Airport

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.

How long is the flight from Illinois to Rio de Janeiro Santos Dumont Airport?

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

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

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

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

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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 December 18, 2025.