HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South America

$91+ Cheap flights from Illinois to South America

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BOG
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to South America 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 South America

Keep the following information in mind while searching for Illinois to South America flight deals. Data was last updated September 11, 2025.

Round-trip from

$287
(CheapOair)

One-way from

$91
(Cheapflightsfares)

Popular in

December

Cheapest in

March

Average price

$1,097

Good round-trip deal

$410 or less

Good one-way deal

$205 or less
From Illinois to South America
Search Deals
One-way flight from Illinois to South America
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Illinois to South America.
Search Deals
Price to beat on a one-way flight from Illinois to South America.
Search Deals

Find flight deals from Illinois to South America

Cheapest flights from Illinois to South America
Explore the most affordable flight options available from Illinois to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:05 amORD - CTG
1 stop7h 03mSpirit Airlines
Tue 11/182:16 pmCTG - ORD
1 stop10h 26mSpirit Airlines
Deal found 9/9$287
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:05 amORD - CTG
1 stop7h 20mSpirit Airlines
Sat 10/111:32 pmCTG - ORD
1 stop10h 13mSpirit Airlines
Deal found 9/10$289
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:07 pmORD - CTG
1 stop17h 35mCopa Airlines
Mon 10/276:21 amCTG - ORD
1 stop18h 35mCopa Airlines
Deal found 9/10$290
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:57 amORD - MDE
1 stop12h 31mSpirit Airlines
Wed 10/152:22 pmMDE - ORD
1 stop9h 23mSpirit Airlines
Deal found 9/9$293
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:57 amORD - MDE
1 stop12h 31mSpirit Airlines
Sat 10/182:22 pmMDE - ORD
1 stop9h 23mSpirit Airlines
Deal found 9/9$294
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:00 pmORD - CTG
2 stops18h 25mSpirit Airlines
Fri 10/241:32 pmCTG - ORD
1 stop10h 13mSpirit Airlines
Deal found 9/10$295
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:57 amORD - MDE
1 stop12h 31mSpirit Airlines
Thu 10/162:22 pmMDE - ORD
1 stop9h 23mSpirit Airlines
Deal found 9/9$295
This Avianca deal was found by Cheapflights users on 9/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:20 pmORD - CTG
1 stop13h 10mAvianca
Mon 11/108:25 amCTG - ORD
1 stop12h 55mAvianca
Deal found 9/11$296
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:05 amORD - CTG
1 stop7h 18mSpirit Airlines
Fri 9/261:29 pmCTG - ORD
1 stop9h 19mSpirit Airlines
Deal found 9/9$297
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:43 pmORD - MDE
1 stop28h 38mSpirit Airlines
Fri 10/172:22 pmMDE - ORD
1 stop9h 23mSpirit Airlines
Deal found 9/10$297
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:59 pmORD - CTG
1 stop18h 09mSpirit Airlines
Tue 11/112:16 pmCTG - ORD
1 stop7h 44mSpirit Airlines
Deal found 9/9$298
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/511:55 amORD - MDE
1 stop12h 26mSpirit Airlines
Sun 10/121:16 amMDE - ORD
1 stop9h 34mSpirit Airlines
Deal found 9/11$298

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to South America 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 September 11, 2025.
Use the filters below to find and compare flights from Illinois to South America that are best for you.

Fly from

Illinois

Fly to

South America

Route

Depart

Return

Price

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Fri 10/24

3:07 pm-8:42 am

1 stop17h 35m

Cartagena Rafael Nunez

Mon 10/27

6:21 am-12:56 am

1 stop18h 35m

$290

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Mon 9/22

8:02 am-11:24 pm

1 stop15h 22m

Cartagena Rafael Nunez

Wed 10/1

9:42 am-12:21 am

1 stop14h 39m

$290

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Wed 10/22

3:07 pm-8:42 am

1 stop17h 35m

Cartagena Rafael Nunez

Tue 10/28

3:10 pm-12:56 am

1 stop9h 46m

$290

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Fri 11/7

2:07 pm-8:41 am

1 stop17h 34m

Cartagena Rafael Nunez

Mon 11/10

6:24 am-12:05 am

1 stop18h 41m

$290

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Sun 9/14

8:02 am-12:06 am

1 stop16h 04m

Bogotá El Dorado

Tue 9/16

11:39 am-12:21 am

1 stop12h 42m

$309

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Fri 10/31

3:07 pm-12:05 am

1 stop8h 58m

Bogotá El Dorado

Sun 11/2

4:45 am-12:46 pm

1 stop9h 01m

$321

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Thu 11/13

2:07 pm-12:05 am

1 stop8h 58m

Bogotá El Dorado

Sun 11/16

4:45 am-12:46 pm

1 stop9h 01m

$321

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Wed 11/5

6:56 am-10:55 pm

1 stop14h 59m

Bogotá El Dorado

Tue 11/11

4:45 am-12:46 pm

1 stop9h 01m

$321

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Wed 12/10

2:07 pm-8:06 am

1 stop16h 59m

Cartagena Rafael Nunez

Wed 12/17

6:25 am-12:05 am

1 stop18h 40m

$325

ChicagoMedellín

ORD - MDE

ORDMDE

Chicago O'Hare Intl

Sun 10/5

8:49 pm-1:04 pm

1 stop16h 15m

Medellín Jose Maria Cordova Intl

Tue 10/14

1:16 am-6:38 pm

1 stop17h 22m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois to South America

Have a flexible travel schedule? Discover the best time to fly to South America 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 South America

What is the cheapest month to book a flight from Illinois to South America?

Currently, May is the cheapest month in which you can book a flight from Illinois to South America (average of $359). Flying from Illinois to South America in December is currently the most expensive (average of $664). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Illinois to South America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to South America as you normally would.

Weekly flight availability from Illinois to South America

Explore weekly flight availability from Illinois to South America. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from USIL to 0SA are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to South America. 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 South America?

    A quick flight from Illinois to South America can take about 8h 11m. Copa Airlines provides one of the quickest options available for as low as $340. Airlines will cover a distance of 2589 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to South America one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $91. However, be on the lookout for offers from Copa Airlines and LATAM Airlines, as they are both options that can get you from Illinois to South America for a low price.

  • Can I find deals for flights from Illinois to South America that include hotel bookings?

    Yes. In addition to deals on Illinois to South America flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to South America?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to South America.

  • Can I find deals for business class flights from Illinois to South America?

    Yes. Cheapflights offers flight deals from Illinois to South America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to South America?

    Currently, May is the cheapest month in which you can book a flight from Illinois to South America (average of $359). Flying from Illinois to South America in December is currently the most expensive (average of $664). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to South America

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Cancún flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Miami flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to O'Hare Intl flights
San Francisco to John F Kennedy Intl flights
LaGuardia to Dallas/Fort Worth flights
Newark to Las Vegas flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to O'Hare Intl flights
Seattle to Las Vegas flights
LaGuardia to O'Hare Intl flights
Newark to Miami flights
Los Angeles to Haneda flights
LaGuardia to Fort Lauderdale flights
Newark to O'Hare Intl flights
O'Hare Intl to John F Kennedy Intl flights
Newark to Cancún flights
Los Angeles to Newark flights
John F Kennedy Intl to Dallas/Fort Worth flights
O'Hare Intl to LaGuardia flights
Los Angeles to Seattle flights
LaGuardia to Miami flights
John F Kennedy Intl to San Francisco flights
Dallas/Fort Worth to Newark flights
John F Kennedy Intl to Orlando flights
Los Angeles to Narita flights
O'Hare Intl to Cancún flights
Newark to Dallas/Fort Worth flights
O'Hare Intl to Newark flights
San Francisco to Newark flights
O'Hare Intl to Dallas/Fort Worth flights
Newark to Los Angeles flights
Dallas/Fort Worth to Denver flights
O'Hare Intl to Las Vegas flights
Los Angeles to LaGuardia flights
Dallas/Fort Worth to Seattle flights
Atlanta to John F Kennedy Intl flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Mexico City flights
Los Angeles to O'Hare Intl flights
Seattle to Los Angeles flights
John F Kennedy Intl to Fort Lauderdale flights
Dulles Intl to Dallas/Fort Worth flights
Newark to Orlando flights
Seattle to Dallas/Fort Worth flights

Top 10 airlines flying from Illinois to South America

Discover the top 10 airlines that operate flights from Illinois to South America. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$218Average$657FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$261Average$485FlexibilityNo cancel feeOn-time65%
DeltaCheapest$283Average$777FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$286Average$665FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$299Average$808FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$310Average$690FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$311Average$787FlexibilityNo cancel feeOn-time71%
AzulCheapest$450Average$1,716FlexibilityNo cancel feeOn-time82%
GOLCheapest$652Average$801FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$696Average$896FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.