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>

$271 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

Travelers love KAYAK

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

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

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

Cheapest round-trip

$608

Multiple Airlines

Fri 3/6Mon 3/23

ORD - SDU • 2 stops

Cheapest one-way

$271

Multiple Airlines

Mon 1/19

MDW - SDU • 3 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

Fri, Mar 6 - Mon, Mar 23

10:20 pm - 8:15 pmORD-SDU

18h 55m2 stops

1:45 pm - 6:15 pmSDU-ORD

30h 30m3 stops

$608Multiple Airlines

Find Deal

Sun, Feb 1 - Sat, Feb 7

2:50 pm - 1:15 pmORD-SDU

19h 25m2 stops

8:05 pm - 1:40 pmSDU-ORD

20h 35m2 stops

$618LATAM Airlines

Find Deal

Thu, Mar 12 - Mon, Mar 16

3:35 pm - 4:40 pmORD-SDU

23h 05m2 stops

1:45 pm - 6:45 pmSDU-ORD

31h 00m2 stops

$623Air Canada

Find Deal

Sat, Mar 14 - Sat, Mar 21

11:27 am - 11:10 amORD-SDU

21h 43m2 stops

5:30 pm - 10:10 pmSDU-ORD

30h 40m2 stops

$627Multiple Airlines

Find Deal

Mon, Jan 19 - Sun, Feb 1

4:50 pm - 2:10 pmORD-SDU

18h 20m2 stops

2:50 pm - 10:06 amSDU-ORD

22h 16m2 stops

$637Air Canada

Find Deal

Sun, Dec 21 - Sun, Jan 4

5:50 pm - 2:05 pmORD-SDU

17h 15m1 stop

2:50 pm - 5:30 amSDU-ORD

17h 40m1 stop

$664United Airlines

Find Deal

Sun, Dec 21 - Sun, Jan 4

2:44 pm - 2:05 pmORD-SDU

20h 21m2 stops

2:50 pm - 9:10 amSDU-ORD

21h 20m2 stops

$669United Airlines

Find Deal

Mon, Mar 9 - Tue, Mar 17

4:05 pm - 4:40 pmSTL-SDU

22h 35m2 stops

1:45 pm - 3:29 pmSDU-STL

27h 44m2 stops

$861Air Canada

Find Deal

Mon, Mar 9 - Wed, Mar 11

12:47 pm - 1:15 pmMDW-SDU

22h 28m2 stops

8:05 pm - 10:29 pmSDU-MDW

28h 24m2 stops

$876Delta

Find Deal

Tue, Jan 13 - Tue, Jan 20

5:00 pm - 1:15 pmSTL-SDU

17h 15m2 stops

8:05 pm - 11:54 amSDU-STL

18h 49m2 stops

$2,601Delta

Find Deal

Useful Info

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

$271 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

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