How does KAYAK find such low prices on flights from Illinois to Rio de Janeiro Santos Dumont?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Rio de Janeiro Santos Dumont. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Rio de Janeiro Santos Dumont?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rio de Janeiro Santos Dumont from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Rio de Janeiro Santos Dumont?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rio de Janeiro Santos Dumont with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Rio de Janeiro Santos Dumont?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rio de Janeiro Santos Dumont from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$263 CHEAP FLIGHTS from Illinois to Rio de Janeiro Santos Dumont (SDU)

SDU

KAYAK searches hundreds of travel sites at once for deals on flights to Rio de Janeiro Santos Dumont Airport

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$590

Air Canada

Sun 1/25Tue 2/10

ORD - SDU • 2 stops

Cheapest one-way

$263

Multiple Airlines

Mon 1/12

ORD - SDU • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Santos Dumont!

Flight Deals

Cheap Flights from Illinois to Santos Dumont

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Santos Dumont that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Santos Dumont

Sun, Jan 25 - Tue, Feb 10

7:15 am - 2:05 pm

ORD

SDU

27h 50m2 stops

11:20 am - 9:13 am

SDU

ORD

24h 53m2 stops

$590Air Canada

Sun, Jan 25 - Tue, Feb 10

7:15 am - 2:05 pm

ORD

SDU

27h 50m2 stops

11:20 am - 9:13 am

SDU

ORD

24h 53m2 stops

$604Air Canada

Sun, Mar 22 - Fri, Mar 27

5:59 pm - 1:15 pm

ORD

SDU

17h 16m2 stops

8:05 pm - 1:18 pm

SDU

ORD

19h 13m2 stops

$617LATAM Airlines

Tue, Jun 2 - Sat, Jun 6

12:15 pm - 1:10 pm

ORD

SDU

22h 55m2 stops

8:15 pm - 12:52 pm

SDU

ORD

18h 37m2 stops

$618Delta

Tue, Jun 2 - Sat, Jun 6

1:30 pm - 2:40 pm

ORD

SDU

23h 10m2 stops

8:15 pm - 12:52 pm

SDU

ORD

18h 37m2 stops

$623LATAM Airlines

Sun, Mar 8 - Mon, Mar 16

3:35 pm - 4:40 pm

ORD

SDU

23h 05m2 stops

1:45 pm - 6:45 pm

SDU

ORD

31h 00m2 stops

$629Air Canada

Sun, Mar 8 - Mon, Mar 16

6:25 pm - 4:40 pm

ORD

SDU

20h 15m2 stops

1:45 pm - 11:18 am

SDU

ORD

23h 33m2 stops

$643Multiple Airlines

Wed, Apr 8 - Thu, Apr 9

4:05 pm - 4:45 pm

STL

SDU

22h 40m2 stops

8:40 pm - 3:24 pm

SDU

STL

44h 44m2 stops

$1,011Multiple Airlines

Wed, Feb 11 - Sun, Feb 15

9:57 am - 2:30 pm

STL

SDU

25h 33m2 stops

2:50 pm - 12:21 pm

SDU

STL

24h 31m2 stops

$1,295United Airlines

Sun, Mar 22 - Thu, Mar 26

6:25 am - 4:40 pm

STL

SDU

32h 15m2 stops

1:45 pm - 10:36 am

SDU

STL

22h 51m2 stops

$1,296United Airlines

Useful Info

Cheapest flight	$263

Flight from Chicago to Rio de Janeiro Santos Dumont

How does KAYAK find such low prices on flights from Illinois to Rio de Janeiro Santos Dumont?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Rio de Janeiro Santos Dumont.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Rio de Janeiro Santos Dumont?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rio de Janeiro Santos Dumont from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Rio de Janeiro Santos Dumont?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rio de Janeiro Santos Dumont with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Rio de Janeiro Santos Dumont?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rio de Janeiro Santos Dumont from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Santos Dumont

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Rio de Janeiro Santos Dumont (SDU)

SDU

$290 Find Cheap Flights from Illinois to Rio de Janeiro Santos Dumont

KAYAK searches hundreds of travel sites at once for deals on flights to Rio de Janeiro Santos Dumont Airport

Everything you should know

Cheap Flights from Illinois to Santos Dumont

Recent round-trip flight deals from Illinois to Santos Dumont

Recent one-way flight deals from Illinois to Santos Dumont

Recent last minute flight deals from Illinois to Santos Dumont

Good to know

FAQs for booking Illinois to Rio de Janeiro Santos Dumont flights

How does KAYAK find such low prices on flights from Illinois to Rio de Janeiro Santos Dumont?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Rio de Janeiro Santos Dumont.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Rio de Janeiro Santos Dumont?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rio de Janeiro Santos Dumont from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Rio de Janeiro Santos Dumont?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rio de Janeiro Santos Dumont with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Rio de Janeiro Santos Dumont?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rio de Janeiro Santos Dumont from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Santos Dumont

Information on your arrival and departure airports

Cabin class types available on flights to Santos Dumont

Complete your trip to Santos Dumont with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Illinois

Choose which airport to fly into in Rio de Janeiro

Find deals for your return flight