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Cheap flights from Illinois to South America from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to South America departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to South America

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:54 pm - 12:35 pm
ORD
-
CTG
15h 41m
2 stops
American Airlines Logo
3:17 pm - 6:38 am
CTG
-
ORD
15h 21m
2 stops
$320American Airlines
Fri, Jul 3 - Tue, Jul 7
American Airlines Logo
4:05 pm - 12:35 pm
ORD
-
CTG
20h 30m
1 stop
American Airlines Logo
3:17 pm - 12:26 am
CTG
-
ORD
9h 09m
1 stop
$324American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
5:59 pm - 12:35 pm
ORD
-
CTG
18h 36m
1 stop
American Airlines Logo
3:17 pm - 6:38 am
CTG
-
ORD
15h 21m
2 stops
$328American Airlines
Fri, Jul 3 - Tue, Jul 7
Copa Airlines Logo
3:20 pm - 8:40 am
ORD
-
CTG
17h 20m
1 stop
Copa Airlines Logo
6:20 am - 1:02 am
CTG
-
ORD
18h 42m
1 stop
$353Copa Airlines
Wed, Sep 23 - Mon, Sep 28
United Airlines Logo
5:30 am - 7:20 pm
ORD
-
BOG
13h 50m
1 stop
United Airlines Logo
8:30 am - 11:27 pm
BOG
-
ORD
14h 57m
1 stop
$396United Airlines
Sun, Aug 30 - Tue, Sep 22
Delta Logo
6:10 pm - 7:15 pm
ORD
-
BOG
25h 05m
1 stop
Delta Logo
9:00 am - 8:33 pm
BOG
-
ORD
11h 33m
1 stop
$397Delta
Sat, Jun 27 - Mon, Jul 20
Copa Airlines Logo
8:01 am - 12:06 am
ORD
-
BOG
16h 05m
1 stop
Copa Airlines Logo
11:39 am - 1:02 am
BOG
-
ORD
13h 23m
1 stop
$403Copa Airlines
Thu, Sep 10 - Mon, Sep 14
Azul Logo
7:52 pm - 4:54 am
ORD
-
BOG
9h 02m
1 stop
Azul Logo
8:30 am - 12:59 am
BOG
-
ORD
16h 29m
1 stop
$404Azul
Tue, Aug 11 - Thu, Aug 27
United Airlines Logo
5:30 am - 7:20 pm
ORD
-
BOG
13h 50m
1 stop
United Airlines Logo
8:30 am - 6:30 pm
BOG
-
ORD
10h 00m
1 stop
$405United Airlines
Fri, Sep 11 - Wed, Sep 16
Delta Logo
6:00 am - 8:10 pm
ORD
-
BOG
14h 10m
2 stops
Delta Logo
8:40 am - 9:36 pm
BOG
-
ORD
12h 56m
2 stops
$410Delta
Fri, Sep 11 - Tue, Sep 15

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United Airlines flights from Illinois to South America

Our best United Airlines deals on Illinois to South America flight tickets
United Airlines
Sep 12
ORD7:30 amChicago O'Hare Intl
11h 50m
1 stop
BOG7:20 pmBogotá El Dorado
Sep 25
BOG7:20 amBogotá El Dorado
14h 12m
1 stop
ORD9:32 pmChicago O'Hare Intl
$395
United Airlines
Aug 30
ORD5:30 amChicago O'Hare Intl
13h 50m
1 stop
BOG7:20 pmBogotá El Dorado
Sep 22
BOG8:30 amBogotá El Dorado
14h 57m
1 stop
ORD11:27 pmChicago O'Hare Intl
$396
United Airlines
Sep 12
ORD10:25 amChicago O'Hare Intl
11h 35m
1 stop
BOG10:00 pmBogotá El Dorado
Sep 28
BOG12:14 amBogotá El Dorado
14h 36m
1 stop
ORD2:50 pmChicago O'Hare Intl
$403

Copa Airlines flights from Illinois to South America

Our best Copa Airlines deals on Illinois to South America flight tickets
Copa Airlines
Sep 23
ORD3:20 pmChicago O'Hare Intl
17h 20m
1 stop
CTG8:40 amCartagena Rafael Nunez
Sep 28
CTG6:20 amCartagena Rafael Nunez
18h 42m
1 stop
ORD1:02 amChicago O'Hare Intl
$353
Copa Airlines
Sep 9
ORD8:01 amChicago O'Hare Intl
24h 04m
1 stop
CTG8:05 amCartagena Rafael Nunez
Sep 13
CTG6:20 amCartagena Rafael Nunez
18h 42m
1 stop
ORD1:02 amChicago O'Hare Intl
$383
Copa Airlines
Jul 15
ORD8:02 amChicago O'Hare Intl
24h 03m
1 stop
CTG8:05 amCartagena Rafael Nunez
Jul 21
CTG6:20 amCartagena Rafael Nunez
21h 40m
1 stop
ORD4:00 amChicago O'Hare Intl
$384

momondo 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, momondo users made 832,500 searches. Data last updated June 13, 2026.
Use the filters below to find and compare flights from Illinois to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Fri 7/3

8:54 pm-12:35 pm

2 stops15h 41m

Cartagena Rafael Nunez

Tue 7/7

3:17 pm-6:38 am

2 stops15h 21m

$320

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Fri 7/3

4:05 pm-12:35 pm

1 stop20h 30m

Cartagena Rafael Nunez

Wed 7/8

3:17 pm-12:26 am

1 stop9h 09m

$324

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Fri 7/3

5:59 pm-12:35 pm

1 stop18h 36m

Cartagena Rafael Nunez

Tue 7/7

3:17 pm-6:38 am

2 stops15h 21m

$328

ChicagoCartagena

ORD - CTG

ORDCTG

Chicago O'Hare Intl

Wed 9/23

3:20 pm-8:40 am

1 stop17h 20m

Cartagena Rafael Nunez

Mon 9/28

6:20 am-1:02 am

1 stop18h 42m

$353

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Sun 8/30

5:30 am-7:20 pm

1 stop13h 50m

Bogotá El Dorado

Tue 9/22

8:30 am-11:27 pm

1 stop14h 57m

$396

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Sat 6/27

6:10 pm-7:15 pm

1 stop25h 05m

Bogotá El Dorado

Mon 7/20

9:00 am-8:33 pm

1 stop11h 33m

$397

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Thu 9/10

8:01 am-12:06 am

1 stop16h 05m

Bogotá El Dorado

Mon 9/14

11:39 am-1:02 am

1 stop13h 23m

$403

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Tue 8/11

7:52 pm-4:54 am

1 stop9h 02m

Bogotá El Dorado

Thu 8/27

8:30 am-12:59 am

1 stop16h 29m

$404
Quickest round-trip

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Fri 9/11

5:30 am-7:20 pm

1 stop13h 50m

Bogotá El Dorado

Wed 9/16

8:30 am-6:30 pm

1 stop10h 00m

$405

ChicagoBogotá

ORD - BOG

ORDBOG

Chicago O'Hare Intl

Fri 9/11

6:00 am-8:10 pm

2 stops14h 10m

Bogotá El Dorado

Tue 9/15

8:40 am-9:36 pm

2 stops12h 56m

$410

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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How to get the cheapest flight ticket from Illinois to South America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South America?

In general, April is the cheapest month to fly from Illinois to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $449. If you aren’t able to travel during the month of April, then book flights to South America from Illinois during September instead. Flights to South America in September, while not as cheap as those in April, still average around $505.

What is the cheapest Illinois to South America flight route?

Fly from Chicago O'Hare Intl to Sao Paulo Guarulhos Intl for the best Illinois - South America flight prices

How far in advance should I book a flight from Illinois to South America?

You are more likely to see cheaper flights to South America from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around $645 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from Illinois for as low as $580 on momondo.

What cabin class options are available on Illinois to South America flights?

There are 3 cabin classes available to choose from on Illinois to South America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to South America flights?

You could potentially save up to 19% on your flight if you consider stops on a Illinois to South America flight.

Cheap Illinois to South America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to South America

Best Price Found

$404

Fastest flight time

6h 10m

Direct flights

Every day

Airports in South America

464 airports
The best one-way flight to South America from Illinois in the past 72 hours is $404. The best round-trip flight deal from Illinois to South America found on momondo in the last 72 hours is $497.
The fastest flight from Illinois to South America takes 6h 10m
Direct flights go from Illinois to South America every day.
There are 464 airports in South America. From Illinois there are direct flights to Bogotá El Dorado (BOG).
Search flight deals

Frequently asked questions about flying from Illinois to South America

  • When did momondo last update prices for flights from Illinois to South America?

    Prices for flights from Illinois to South America were last updated today.

  • How many operators does momondo search for flights from Illinois to South America?

  • How old do you have to be to fly from Illinois to South America?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to South America.

  • What documentation or ID do you need to fly to South America?

    The necessary travel and health documents for your South America trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to South America?

Best airlines flying from Illinois to South America

Compare and see reviews for airlines that fly from Illinois to South America with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $188Free CancellationRating
7.9
8,405 reviews
Search Delta flights
Copa AirlinesPriceFrom $243Free CancellationRating
7.5
1,569 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $268Free CancellationRating
7.4
1,932 reviews
Search LATAM Airlines flights
GOLPriceFrom $269Free CancellationRating
7.3
1,230 reviews
Search GOL flights
ArajetPriceFrom $272Free CancellationRating
6.5
49 reviews
Search Arajet flights
AviancaPriceFrom $297Free CancellationRating
6.5
2,534 reviews
Search Avianca flights
United AirlinesPriceFrom $307Free CancellationRating
7.4
9,819 reviews
Search United Airlines flights
American AirlinesPriceFrom $317Free CancellationRating
7.1
11,651 reviews
Search American Airlines flights
Air CanadaPriceFrom $479Free CancellationRating
7.1
11,176 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to South America?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to South America. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to South America with flexible booking policies on momondo?

momondo does allow users to show only those flights to South America from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to South America?

Once all potential Illinois to South America flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to South America right now. Can momondo alert me if prices change?

Price alerts on flights to South America from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your South America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to South America

Popular cities in South America

Popular flights according to clicks in the last 7 days on momondo
Flights to Limafrom $441
Flights to Sao Paulofrom $409
Flights to Buenos Airesfrom $560
Flights to Bogotáfrom $312
Flights to Rio de Janeirofrom $475
Flights to Medellínfrom $289
Flights to Santiagofrom $425
Flights to Cartagenafrom $276
Flights to Quitofrom $360
Flights to Guayaquilfrom $228
Flights to Califrom $326
Flights to Cuscofrom $522