What is the cheapest airline that flies from Santiago Arturo Merino Benitez to Illinois?

Avianca, Copa Airlines, and Delta are the most popular carriers operating from Santiago Arturo Merino Benitez to Illinois

What airlines fly to Illinois?

Copa Airlines, American Airlines and Delta are the top three most popular airlines that fly to Illinois from Santiago according to our data. Copa Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Santiago Arturo Merino Benitez Airport to Illinois?

Prices for flights from Santiago Arturo Merino Benitez Airport to Illinois were last updated today.

How many operators does momondo search for flights from Santiago Arturo Merino Benitez Airport to Illinois?

As of July 2026, there are 5 operators available to choose from for flights from Santiago Arturo Merino Benitez Airport to Illinois.

How old do you have to be to fly from Santiago Arturo Merino Benitez Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santiago Arturo Merino Benitez Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois 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.

$283 Cheap Flights from Santiago to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Santiago to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:23 pm - 12:57 am

SCL

ORD

14h 34m

1 stop

8:01 am - 11:39 pm

ORD

SCL

13h 38m

1 stop

$615Copa Airlines

Fri, Oct 2 - Thu, Oct 22

11:00 pm - 6:49 pm

SCL

ORD

20h 49m

2 stops

3:25 pm - 6:55 am

ORD

SCL

14h 30m

2 stops

$616LATAM Airlines

Tue, Aug 4 - Wed, Aug 12

11:00 pm - 10:36 pm

SCL

MDW

24h 36m

2 stops

5:11 pm - 1:25 pm

MDW

SCL

18h 14m

2 stops

$616LATAM Airlines

Wed, Sep 2 - Wed, Sep 23

10:20 am - 11:50 pm

SCL

ORD

16h 30m

2 stops

6:10 pm - 7:40 am

ORD

SCL

34h 30m

2 stops

$617LATAM Airlines

Mon, Dec 28 - Wed, Jan 6

7:40 am - 9:20 pm

SCL

ORD

15h 40m

1 stop

11:20 pm - 5:45 am

ORD

SCL

28h 25m

1 stop

$623Avianca

Mon, Sep 14 - Wed, Sep 23

6:40 am - 9:20 pm

SCL

ORD

15h 40m

1 stop

6:05 am - 3:00 am

ORD

SCL

19h 55m

2 stops

$624Multiple Airlines

Fri, Aug 7 - Fri, Aug 21

7:55 pm - 12:32 pm

SCL

STL

18h 37m

2 stops

7:05 am - 6:55 am

STL

SCL

21h 50m

2 stops

$866Delta

Wed, Sep 9 - Wed, Sep 16

8:50 pm - 6:59 pm

SCL

STL

23h 09m

2 stops

9:32 am - 7:05 am

STL

SCL

20h 33m

2 stops

$879American Airlines

Fri, Aug 21 - Fri, Aug 28

8:40 pm - 9:20 am

SCL

STL

13h 40m

1 stop

9:15 am - 6:55 am

STL

SCL

20h 40m

2 stops

$932Delta

Fri, Aug 7 - Thu, Aug 13

8:50 pm - 10:40 pm

SCL

STL

26h 50m

1 stop

5:00 am - 7:05 am

STL

SCL

25h 05m

1 stop

$938American Airlines

Fri, Aug 21 - Fri, Aug 28

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LATAM Airlines flights from Santiago to Illinois

Our best LATAM Airlines deals on Santiago to Illinois flight tickets

LATAM Airlines

Aug 4

SCL11:00 pmSantiago Arturo Merino Benitez

20h 49m

2 stops

ORD6:49 pmChicago O'Hare Intl

Aug 12

ORD3:25 pmChicago O'Hare Intl

14h 30m

2 stops

SCL6:55 amSantiago Arturo Merino Benitez

$616

LATAM Airlines

Dec 28

SCL10:20 amSantiago Arturo Merino Benitez

16h 30m

2 stops

ORD11:50 pmChicago O'Hare Intl

Jan 6

ORD6:10 pmChicago O'Hare Intl

34h 30m

2 stops

SCL7:40 amSantiago Arturo Merino Benitez

$617

LATAM Airlines

Aug 2

SCL11:05 pmSantiago Arturo Merino Benitez

25h 52m

2 stops

ORD11:57 pmChicago O'Hare Intl

Aug 15

ORD6:30 pmChicago O'Hare Intl

34h 05m

2 stops

SCL5:35 amSantiago Arturo Merino Benitez

$619

Avianca flights from Santiago to Illinois

Our best Avianca deals on Santiago to Illinois flight tickets

Avianca

Sep 14

SCL7:40 amSantiago Arturo Merino Benitez

15h 40m

1 stop

ORD9:20 pmChicago O'Hare Intl

Sep 23

ORD11:20 pmChicago O'Hare Intl

28h 25m

1 stop

SCL5:45 amSantiago Arturo Merino Benitez

$623

Avianca

Aug 16

SCL12:30 amSantiago Arturo Merino Benitez

21h 50m

1 stop

ORD9:20 pmChicago O'Hare Intl

Aug 31

ORD11:20 pmChicago O'Hare Intl

13h 55m

1 stop

SCL2:15 pmSantiago Arturo Merino Benitez

$630

Avianca

Jul 29

SCL6:40 amSantiago Arturo Merino Benitez

15h 40m

1 stop

ORD9:20 pmChicago O'Hare Intl

Aug 8

ORD11:20 pmChicago O'Hare Intl

28h 25m

1 stop

SCL4:45 amSantiago Arturo Merino Benitez

$643

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Fri 10/2

12:23 pm-12:57 am

1 stop14h 34m

Chicago O'Hare Intl

Thu 10/22

8:01 am-11:39 pm

1 stop13h 38m

$615

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Tue 8/4

11:00 pm-6:49 pm

2 stops20h 49m

Chicago O'Hare Intl

Wed 8/12

3:25 pm-6:55 am

2 stops14h 30m

$616

SantiagoChicago

SCL - MDW

SCLMDW

Santiago Arturo Merino Benitez

Wed 9/2

11:00 pm-10:36 pm

2 stops24h 36m

Chicago Midway

Wed 9/23

5:11 pm-1:25 pm

2 stops18h 14m

$616

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Mon 12/28

10:20 am-11:50 pm

2 stops16h 30m

Chicago O'Hare Intl

Wed 1/6

6:10 pm-7:40 am

2 stops34h 30m

$617

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Mon 9/14

7:40 am-9:20 pm

1 stop15h 40m

Chicago O'Hare Intl

Wed 9/23

11:20 pm-5:45 am

1 stop28h 25m

$623

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Fri 8/7

6:40 am-9:20 pm

1 stop15h 40m

Chicago O'Hare Intl

Fri 8/21

6:05 am-3:00 am

2 stops19h 55m

$624

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Wed 9/9

7:55 pm-12:32 pm

2 stops18h 37m

Lambert-St Louis

Wed 9/16

7:05 am-6:55 am

2 stops21h 50m

$866

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 8/21

8:50 pm-6:59 pm

2 stops23h 09m

Lambert-St Louis

Fri 8/28

9:32 am-7:05 am

2 stops20h 33m

$879

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 8/7

8:40 pm-9:20 am

1 stop13h 40m

Lambert-St Louis

Thu 8/13

9:15 am-6:55 am

2 stops20h 40m

$932

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 8/21

8:50 pm-10:40 pm

1 stop26h 50m

Lambert-St Louis

Fri 8/28

5:00 am-7:05 am

1 stop25h 05m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Santiago to Illinois

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

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Santiago is in April. Flight prices, which tend to average around $253, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $295.

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

You are more likely to see cheaper flights to Illinois from Santiago when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $751 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Santiago for as low as $558 on momondo.

Can stopping save me money on Santiago to Illinois flights?

You could potentially save up to 5% on your flight if you consider stops on a Santiago to Illinois flight.

Cheap Santiago to Illinois flight deals and tips

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

Fastest flight time	14h 40m
Direct flights	None

The fastest flight from Santiago to Illinois takes 14h 40m

There are no direct flights from Santiago to Illinois. There are no popular flight routes from Santiago to Illinois.

Search flight deals

Frequently asked questions about flying from Santiago to Illinois

When did momondo last update prices for flights from Santiago Arturo Merino Benitez Airport to Illinois?
Prices for flights from Santiago Arturo Merino Benitez Airport to Illinois were last updated today.
How many operators does momondo search for flights from Santiago Arturo Merino Benitez Airport to Illinois?
As of July 2026, there are 5 operators available to choose from for flights from Santiago Arturo Merino Benitez Airport to Illinois.
How old do you have to be to fly from Santiago Arturo Merino Benitez Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santiago Arturo Merino Benitez Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois 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.

Best airlines flying from Santiago to Illinois

Compare and see reviews for airlines that fly from Santiago to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Avianca	PriceFrom $316	Free Cancellation	Rating 6.5 2,523 reviews	Search Avianca flights
Copa Airlines	PriceFrom $343	Free Cancellation	Rating 7.6 1,561 reviews	Search Copa Airlines flights
American Airlines	PriceFrom $587	Free Cancellation	Rating 7.1 11,806 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 1,954 reviews	Search LATAM Airlines flights
Delta	PriceFrom $596	Free Cancellation	Rating 7.8 8,459 reviews	Search Delta flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Santiago.

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

Flights from Santiago to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Santiago to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Santiago to Illinois.

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

Price alerts on flights to Illinois from Santiago 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.