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 LATAM Airlines, which is currently one of the cheapest options available, starting at $461. GOL flights start at $509 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.

How far in advance should I book a flight from Illinois to Rio de Janeiro Santos Dumont Airport?

Travelers have found it’s best to book a flight 8 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 8 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Rio de Janeiro Santos Dumont Airport 1-2 weeks in advance for as low as $465, or $653 for flights within the next 24 hours.

What is the cheapest month to fly from Illinois to Rio de Janeiro Santos Dumont Airport?

The best pricing can be found in the month of October. Prices to Rio de Janeiro Santos Dumont Airport from Illinois average $872. You can even find prices in October for less than $872, as users have found deals to Rio de Janeiro Santos Dumont Airport from as low as $485. The month of July appears to be one of the more expensive times to travel to Rio de Janeiro Santos Dumont Airport from Illinois. Flying in the targeted month can save you up to 25%.

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.

$316+ Save on Flights from Illinois to Rio de Janeiro Santos Dumont Airport, Brazil

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Cheap flight deals from Illinois to Santos Dumont

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$658 (Mytrip)
One-way from	$316 (Mytrip)
Popular in	July
Cheapest in	October
Average price	$867

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($145 potential increase over avg. RT price).

Search Deals

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 February 2025

Search Deals

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 February 20, 2025.

Mon 4/78:33 pmORD - SDU

3 stops36h 07mMultiple Airlines

Wed 4/231:30 pmSDU - ORD

3 stops33h 13mMultiple Airlines

Deal found 2/20

$658

Tue 3/183:35 pmORD - SDU

2 stops22h 15mAir Canada

Tue 3/257:50 amSDU - ORD

2 stops29h 04mAir Canada

Deal found 2/19

$687

Tue 4/112:57 pmORD - SDU

2 stops17h 53mGOL

Tue 4/88:30 pmSDU - ORD

2 stops26h 28mGOL

Deal found 2/19

$757

Wed 3/121:35 pmORD - SDU

2 stops17h 25mLATAM Airlines

Wed 3/194:45 pmSDU - ORD

2 stops19h 25mLATAM Airlines

Deal found 2/20

$765

Sun 3/3010:37 amORD - SDU

2 stops27h 13mUnited Airlines

Wed 4/21:00 pmSDU - ORD

1 stop19h 45mUnited Airlines

Deal found 2/20

$889

Thu 4/34:59 pmMDW - SDU

2 stops18h 41mLATAM Airlines

Mon 4/78:20 pmSDU - MDW

2 stops17h 43mLATAM Airlines

Deal found 2/19

$1,026

Sat 4/53:52 pmORD - SDU

2 stops17h 13mLufthansa

Sat 4/121:00 pmSDU - ORD

1 stop19h 45mLufthansa

Deal found 2/18

$1,065

Tue 3/181:35 pmORD - SDU

2 stops17h 25mDelta

Mon 3/248:20 pmSDU - ORD

2 stops18h 35mDelta

Deal found 2/19

$1,072

Fri 2/285:13 amSTL - SDU

2 stops29h 57mGOL

Wed 3/58:30 pmSDU - STL

2 stops30h 16mGOL

Deal found 2/18

$1,227

Fri 4/43:30 pmSTL - SDU

2 stops22h 20mMultiple Airlines

Fri 4/115:40 pmSDU - STL

2 stops30h 39mMultiple Airlines

Deal found 2/19

$1,235

Tue 2/257:50 pmMDW - SDU

3 stops34h 25mMultiple Airlines

Mon 3/35:40 pmSDU - MDW

3 stops42h 05mMultiple Airlines

Deal found 2/20

$1,352

Sat 4/59:52 amMDW - SDU

2 stops21h 43mDelta

Sat 4/122:20 pmSDU - MDW

2 stops23h 43mDelta

Deal found 2/19

$2,284

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 February 20, 2025.

Mon 4/78:33 pmORD - SDU

3 stops36h 07mMultiple Airlines

Wed 4/231:30 pmSDU - ORD

3 stops33h 13mMultiple Airlines

Deal found 2/20

$658

Tue 3/183:35 pmORD - SDU

2 stops22h 15mAir Canada

Tue 3/257:50 amSDU - ORD

2 stops29h 04mAir Canada

Deal found 2/19

$687

Tue 4/112:57 pmORD - SDU

2 stops17h 53mGOL

Tue 4/88:30 pmSDU - ORD

2 stops26h 28mGOL

Deal found 2/19

$757

Wed 3/121:35 pmORD - SDU

2 stops17h 25mLATAM Airlines

Wed 3/194:45 pmSDU - ORD

2 stops19h 25mLATAM Airlines

Deal found 2/20

$765

Sun 3/3010:37 amORD - SDU

2 stops27h 13mUnited Airlines

Wed 4/21:00 pmSDU - ORD

1 stop19h 45mUnited Airlines

Deal found 2/20

$889

Sat 4/53:52 pmORD - SDU

2 stops17h 13mLufthansa

Sat 4/121:00 pmSDU - ORD

1 stop19h 45mLufthansa

Deal found 2/18

$1,065

Tue 3/181:35 pmORD - SDU

2 stops17h 25mDelta

Mon 3/248:20 pmSDU - ORD

2 stops18h 35mDelta

Deal found 2/19

$1,072

Mon 3/36:35 pmORD - SDU

2 stops24h 50mAzul

Sat 3/810:40 amSDU - ORD

2 stops57h 51mAzul

Deal found 2/20

$1,426

Thu 4/34:59 pmMDW - SDU

2 stops18h 41mLATAM Airlines

Mon 4/78:20 pmSDU - MDW

2 stops17h 43mLATAM Airlines

Deal found 2/19

$1,026

Sun 4/63:30 pmSTL - SDU

2 stops22h 20mMultiple Airlines

Sun 4/139:35 amSDU - STL

2 stops38h 45mMultiple Airlines

Deal found 2/20

$1,281

Sun 3/24:33 pmSTL - SDU

2 stops45h 22mGOL

Thu 3/611:25 amSDU - STL

2 stops39h 21mGOL

Deal found 2/20

$1,425

Sat 4/59:52 amMDW - SDU

2 stops21h 43mDelta

Sat 4/122:20 pmSDU - MDW

2 stops23h 43mDelta

Deal found 2/19

$2,284

Last-minute flights from Illinois to Santos Dumont
Discover last-minute flight deals from Illinois to Santos Dumont. Data last updated February 20, 2025 and is based on user searches.

Sun 2/235:05 pmMDW - SDU

2 stops22h 00mLATAM Airlines

Thu 2/275:05 pmSDU - MDW

2 stops20h 07mLATAM Airlines

Deal found 2/20

$1,404

Tue 2/251:59 pmORD - SDU

2 stops39h 51mGOL

Mon 3/35:40 pmSDU - ORD

2 stops31h 13mGOL

Deal found 2/19

$1,199

Tue 2/257:50 pmMDW - SDU

3 stops34h 25mMultiple Airlines

Mon 3/35:40 pmSDU - MDW

3 stops42h 05mMultiple Airlines

Deal found 2/20

$1,352

Tue 2/255:05 pmMDW - SDU

2 stops17h 55mDelta

Mon 3/38:20 pmSDU - MDW

2 stops18h 39mDelta

Deal found 2/20

$4,394

Wed 2/265:00 amORD - SDU

3 stops33h 55mMultiple Airlines

Tue 3/49:35 amSDU - ORD

2 stops27h 09mMultiple Airlines

Deal found 2/20

$725

Thu 2/2710:35 amORD - SDU

2 stops24h 50mAzul

Sun 3/26:10 amSDU - ORD

2 stops37h 36mAzul

Deal found 2/19

$1,618

Fri 2/285:13 amSTL - SDU

2 stops29h 57mGOL

Wed 3/58:30 pmSDU - STL

2 stops30h 16mGOL

Deal found 2/18

$1,227

Fri 2/2810:20 amSTL - SDU

3 stops30h 50mMultiple Airlines

Wed 3/59:35 amSDU - STL

3 stops34h 07mMultiple Airlines

Deal found 2/18

$2,002

Sun 3/26:00 pmORD - SDU

1 stop17h 15mUnited Airlines

Fri 3/75:30 pmSDU - ORD

1 stop14h 55mUnited Airlines

Deal found 2/19

$2,591

Mon 3/36:35 pmORD - SDU

2 stops24h 50mAzul

Sat 3/810:40 amSDU - ORD

2 stops57h 51mAzul

Deal found 2/20

$1,426

Fri 3/712:57 pmORD - SDU

2 stops16h 53mGOL

Thu 3/136:00 amSDU - ORD

2 stops19h 24mGOL

Deal found 2/19

$1,186

Wed 3/121:35 pmORD - SDU

2 stops17h 25mLATAM Airlines

Wed 3/194:45 pmSDU - ORD

2 stops19h 25mLATAM Airlines

Deal found 2/20

$765

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 February 20, 2025.

Tue 4/1510:19 amORD - SDU

2 stops24h 46mMultiple Airlines

Deal found 2/19

$316

Tue 3/256:47 pmSTL - SDU

3 stops43h 03mMultiple Airlines

Deal found 2/19

$318

Tue 4/154:40 pmMDW - SDU

2 stops38h 10mMultiple Airlines

Deal found 2/19

$384

Fri 6/611:00 amORD - SDU

2 stops20h 35mLATAM Airlines

Deal found 2/20

$461

Wed 3/55:05 pmMDW - SDU

2 stops22h 20mLATAM Airlines

Deal found 2/20

$506

Fri 6/61:15 pmORD - SDU

2 stops19h 25mGOL

Deal found 2/19

$509

Thu 5/158:50 amORD - SDU

2 stops29h 00mUnited Airlines

Deal found 2/20

$511

Wed 3/2612:51 pmMDW - SDU

2 stops18h 09mDelta

Deal found 2/19

$1,493

Tue 3/2510:19 amSTL - SDU

2 stops20h 41mLATAM Airlines

Deal found 2/19

$2,730

Sat 3/154:29 pmSTL - SDU

2 stops18h 41mDelta

Deal found 2/19

$2,943

Find flights from Illinois to Santos Dumont within your budget

Fly from

Fly to

Route

Depart

Return

Price

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Mon 4/7

8:33 pm-10:40 am

3 stops36h 07m

Rio de Janeiro Santos Dumont

Wed 4/23

1:30 pm-8:43 pm

3 stops33h 13m

$658

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 3/18

3:35 pm-3:50 pm

2 stops22h 15m

Rio de Janeiro Santos Dumont

Tue 3/25

7:50 am-10:54 am

2 stops29h 04m

$687

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 4/1

12:57 pm-8:50 am

2 stops17h 53m

Rio de Janeiro Santos Dumont

Tue 4/8

8:30 pm-8:58 pm

2 stops26h 28m

$757

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Wed 3/12

1:35 pm-9:00 am

2 stops17h 25m

Rio de Janeiro Santos Dumont

Wed 3/19

4:45 pm-10:10 am

2 stops19h 25m

$765

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sun 3/30

10:37 am-3:50 pm

2 stops27h 13m

Rio de Janeiro Santos Dumont

Wed 4/2

1:00 pm-6:45 am

1 stop19h 45m

$889

ChicagoRio de Janeiro

MDW - SDU

MDWSDU

Chicago Midway

Thu 4/3

4:59 pm-1:40 pm

2 stops18h 41m

Rio de Janeiro Santos Dumont

Mon 4/7

8:20 pm-12:03 pm

2 stops17h 43m

$1,026

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Sat 4/5

3:52 pm-11:05 am

2 stops17h 13m

Rio de Janeiro Santos Dumont

Sat 4/12

1:00 pm-6:45 am

1 stop19h 45m

$1,065

ChicagoRio de Janeiro

ORD - SDU

ORDSDU

Chicago O'Hare Intl

Tue 3/18

1:35 pm-9:00 am

2 stops17h 25m

Rio de Janeiro Santos Dumont

Mon 3/24

8:20 pm-12:55 pm

2 stops18h 35m

$1,072

St. LouisRio de Janeiro

STL - SDU

STLSDU

Lambert-St Louis

Fri 4/4

3:30 pm-3:50 pm

2 stops22h 20m

Rio de Janeiro Santos Dumont

Fri 4/11

5:40 pm-10:19 pm

2 stops30h 39m

$1,235

ChicagoRio de Janeiro

MDW - SDU

MDWSDU

Chicago Midway

Tue 2/25

7:50 pm-9:15 am

3 stops34h 25m

Rio de Janeiro Santos Dumont

Mon 3/3

5:40 pm-8:45 am

3 stops42h 05m

$1,352

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 23 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.

Travel insights for flights from Illinois to Santos Dumont

Get recent, data-driven insights about flights from Illinois to Santos Dumont including ideal travel times, pricing trends, and more.

Rainfall in Santos Dumont 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

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

Read reviews from past customers who have flown Azul, Delta and LATAM 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.

Azul

8.0

Very good

792 reviews

Reviews

1 / 13

10.0

Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Azul

8.0

Very good

792 reviews

Azul

8.0

Very good

792 reviews

Reviews

1 / 13

10.0

Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Delta

8.0

Very good

8,220 reviews

Azul

8.0

Very good

792 reviews

Reviews

1 / 13

10.0

Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

LATAM Airlines

7.5

Good

1,795 reviews

Azul

8.0

Very good

792 reviews

Reviews

1 / 13

10.0

Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

United Airlines

7.4

Good

8,766 reviews

Azul

8.0

Very good

792 reviews

Reviews

1 / 13

10.0

Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

GOL

7.3

Good

1,066 reviews

Azul

8.0

Very good

792 reviews

Reviews

1 / 13

10.0

Excellent

Aidan,Dec 2024

VCP - VIX

Very good we were taken care of in all aspects when traveling with our 1 year old. Would recommend Azul and I will travel with them again.

Related info for your journey

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 LATAM Airlines, which is currently one of the cheapest options available, starting at $461. GOL flights start at $509 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.

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$316+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Santos Dumont with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 February 20, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 February 20, 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 February 20, 2025.

Find flights from Illinois to Santos Dumont within your budget

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.

Travel insights for flights from Illinois to Santos Dumont

Get recent, data-driven insights about flights from Illinois to Santos Dumont including ideal travel times, pricing trends, and more.

Rainfall in Santos Dumont by month

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

Temperature in Santos Dumont by month

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

Reviews of airlines servicing Santos Dumont

Read reviews from past customers who have flown Azul, Delta and LATAM 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.

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?

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for 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 February 20, 2025.