$329+ 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 8/24. 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
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 junio 12, 2025.
Round-trip from | $602 (Mytrip) |
|---|---|
One-way from | $329 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $992 |
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 junio 12, 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 junio 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/12. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
This KAYAK deal was found by Cheapflights users on 6/11. 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.
This KAYAK deal was found by Cheapflights users on 6/11. 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.
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/11. 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.
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 junio 12, 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
Fly to
Route
Depart
Return
Price
ChicagoRio de Janeiro
ORD - SDU
ORDSDU
Chicago O'Hare Intl
mié. 8/20
7:39 pm-9:10 am
2 stops35h 31m
Rio de Janeiro Santos Dumont
lun. 8/25
6:15 am-9:55 am
3 stops29h 40m
ChicagoRio de Janeiro
ORD - SDU
ORDSDU
Chicago O'Hare Intl
jue. 9/18
6:20 pm-2:20 pm
2 stops18h 00m
Rio de Janeiro Santos Dumont
jue. 9/25
7:55 am-9:51 am
2 stops27h 56m
ChicagoRio de Janeiro
ORD - SDU
ORDSDU
Chicago O'Hare Intl
sáb. 8/23
3:58 pm-5:45 pm
2 stops23h 47m
Rio de Janeiro Santos Dumont
mié. 8/27
11:25 am-6:45 am
1 stop21h 20m
ChicagoRio de Janeiro
ORD - SDU
ORDSDU
Chicago O'Hare Intl
jue. 10/30
1:30 pm-1:40 pm
2 stops22h 10m
Rio de Janeiro Santos Dumont
mié. 11/19
2:25 pm-12:52 pm
2 stops25h 27m
ChicagoRio de Janeiro
ORD - SDU
ORDSDU
Chicago O'Hare Intl
mié. 10/22
3:22 pm-10:40 am
2 stops17h 18m
Rio de Janeiro Santos Dumont
dom. 11/9
6:00 am-9:24 pm
2 stops18h 24m
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
vie. 7/25
10:47 am-8:20 pm
3 stops31h 33m
Rio de Janeiro Santos Dumont
vie. 8/1
6:10 am-2:39 pm
3 stops34h 29m
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
sáb. 10/11
9:15 am-5:45 pm
2 stops30h 30m
Rio de Janeiro Santos Dumont
lun. 10/20
7:55 am-3:18 pm
2 stops33h 23m
ChicagoRio de Janeiro
MDW - SDU
MDWSDU
Chicago Midway
vie. 10/10
1:05 pm-11:20 am
2 stops20h 15m
Rio de Janeiro Santos Dumont
vie. 10/17
2:20 pm-3:30 pm
2 stops27h 10m
ChicagoRio de Janeiro
MDW - SDU
MDWSDU
Chicago Midway
mié. 7/9
5:05 pm-1:20 pm
2 stops18h 15m
Rio de Janeiro Santos Dumont
dom. 7/13
8:20 pm-6:02 pm
2 stops23h 42m
St. LouisRio de Janeiro
STL - SDU
STLSDU
Lambert-St Louis
jue. 6/26
8:00 am-3:50 pm
2 stops29h 50m
Rio de Janeiro Santos Dumont
sáb. 7/5
1:00 pm-10:40 am
2 stops23h 40m
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
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 junio 12, 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.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kim,May 2025
PIH - SLC