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

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

What airlines fly to Santiago?

American Airlines, LATAM Airlines and United Airlines are the top three most popular airlines that fly to Santiago from Illinois according to our data. American Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Santiago. Keep in mind that there are 6 different airlines that fly to Santiago on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Santiago?

On average, it takes 12h 29m to fly from Illinois to Santiago if you fly out of Chicago (the most popular airport in Illinois) and into Santiago (the most popular airport in Santiago). If you’re flying out of Moline and into Santiago, then the flight time is around 23h 05m.

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

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

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

As of May 2026, there are 6 operators available to choose from for flights from Illinois to Santiago Arturo Merino Benitez Airport.

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

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 Santiago Arturo Merino Benitez Airport.

What documentation or ID do you need to fly to Santiago Arturo Merino Benitez Airport?

The required travel and health documents for your Santiago Arturo Merino Benitez Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santiago Arturo Merino Benitez Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$281 Cheap Flights from Illinois to Santiago in 2026

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Find the cheapest flights from Illinois to Santiago

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:59 pm - 3:00 am

ORD

SCL

33h 01m

2 stops

10:55 pm - 5:06 pm

SCL

ORD

19h 11m

1 stop

$662Multiple Airlines

Tue, Jun 16 - Mon, Jul 6

4:59 pm - 3:00 am

ORD

SCL

33h 01m

2 stops

11:05 pm - 5:11 pm

SCL

ORD

19h 06m

1 stop

$669Multiple Airlines

Tue, Jun 16 - Sat, Jun 27

4:59 pm - 5:03 am

ORD

SCL

35h 04m

2 stops

11:05 pm - 5:11 pm

SCL

ORD

19h 06m

1 stop

$676Multiple Airlines

Tue, Jun 16 - Sat, Jun 27

4:59 pm - 3:00 am

ORD

SCL

33h 01m

2 stops

10:55 pm - 5:06 pm

SCL

ORD

19h 11m

1 stop

$687Multiple Airlines

Tue, Jun 16 - Wed, Jul 8

5:10 pm - 7:15 am

MDW

SCL

13h 05m

1 stop

8:40 pm - 9:59 am

SCL

MDW

14h 19m

1 stop

$795LATAM Airlines

Mon, Aug 17 - Wed, Aug 19

5:10 pm - 1:25 pm

MDW

SCL

19h 15m

2 stops

8:40 pm - 11:56 am

SCL

MDW

16h 16m

1 stop

$797LATAM Airlines

Tue, Jul 14 - Sat, Jul 25

4:25 pm - 7:15 am

MDW

SCL

13h 50m

1 stop

8:40 pm - 10:05 am

SCL

MDW

14h 25m

1 stop

$818Delta

Thu, Jul 2 - Sat, Jul 11

11:35 am - 9:00 am

STL

SCL

18h 25m

2 stops

10:15 pm - 2:32 pm

SCL

STL

19h 17m

2 stops

$980American Airlines

Mon, Nov 9 - Mon, Nov 30

11:00 am - 8:50 am

STL

SCL

18h 50m

1 stop

10:45 pm - 4:35 pm

SCL

STL

20h 50m

1 stop

$985United Airlines

Mon, Nov 9 - Mon, Nov 30

5:18 am - 7:00 am

STL

SCL

24h 42m

1 stop

8:30 pm - 10:45 am

SCL

STL

15h 15m

1 stop

$1,007American Airlines

Tue, Aug 4 - Tue, Aug 25

American Airlines flights from Illinois to Santiago

Our best American Airlines deals on Illinois to Santiago flight tickets

American Airlines

May 17

ORD2:52 pmChicago O'Hare Intl

15h 13m

2 stops

SCL7:05 amSantiago Arturo Merino Benitez

May 19

SCL8:35 pmSantiago Arturo Merino Benitez

17h 03m

2 stops

ORD12:38 pmChicago O'Hare Intl

$873

American Airlines

May 29

ORD2:57 pmChicago O'Hare Intl

15h 08m

2 stops

SCL7:05 amSantiago Arturo Merino Benitez

Jun 5

SCL9:00 pmSantiago Arturo Merino Benitez

18h 17m

2 stops

ORD2:17 pmChicago O'Hare Intl

$896

American Airlines

May 23

ORD1:19 pmChicago O'Hare Intl

16h 46m

2 stops

SCL7:05 amSantiago Arturo Merino Benitez

Jun 6

SCL9:00 pmSantiago Arturo Merino Benitez

14h 50m

1 stop

ORD10:50 amChicago O'Hare Intl

$918

United Airlines flights from Illinois to Santiago

Our best United Airlines deals on Illinois to Santiago flight tickets

United Airlines

Nov 9

STL11:00 amLambert-St Louis

18h 50m

1 stop

SCL8:50 amSantiago Arturo Merino Benitez

Nov 30

SCL10:45 pmSantiago Arturo Merino Benitez

20h 50m

1 stop

STL4:35 pmLambert-St Louis

$985

United Airlines

Sep 1

STL12:27 pmLambert-St Louis

29h 52m

2 stops

SCL7:19 pmSantiago Arturo Merino Benitez

Sep 5

SCL3:27 amSantiago Arturo Merino Benitez

32h 43m

2 stops

STL10:10 amLambert-St Louis

$1,228

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Tue 6/16

4:59 pm-3:00 am

2 stops33h 01m

Santiago Arturo Merino Benitez

Mon 7/6

10:55 pm-5:06 pm

1 stop19h 11m

$662

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Tue 6/16

4:59 pm-3:00 am

2 stops33h 01m

Santiago Arturo Merino Benitez

Sat 6/27

11:05 pm-5:11 pm

1 stop19h 06m

$669

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Tue 6/16

4:59 pm-5:03 am

2 stops35h 04m

Santiago Arturo Merino Benitez

Sat 6/27

11:05 pm-5:11 pm

1 stop19h 06m

$676

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Tue 6/16

4:59 pm-3:00 am

2 stops33h 01m

Santiago Arturo Merino Benitez

Wed 7/8

10:55 pm-5:06 pm

1 stop19h 11m

$687

Quickest round-trip

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Mon 8/17

5:10 pm-7:15 am

1 stop13h 05m

Santiago Arturo Merino Benitez

Wed 8/19

8:40 pm-9:59 am

1 stop14h 19m

$795

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Tue 7/14

5:10 pm-1:25 pm

2 stops19h 15m

Santiago Arturo Merino Benitez

Sat 7/25

8:40 pm-11:56 am

1 stop16h 16m

$797

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Thu 7/2

4:25 pm-7:15 am

1 stop13h 50m

Santiago Arturo Merino Benitez

Sat 7/11

8:40 pm-10:05 am

1 stop14h 25m

$818

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 11/9

11:35 am-9:00 am

2 stops18h 25m

Santiago Arturo Merino Benitez

Mon 11/30

10:15 pm-2:32 pm

2 stops19h 17m

$980

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Mon 11/9

11:00 am-8:50 am

1 stop18h 50m

Santiago Arturo Merino Benitez

Mon 11/30

10:45 pm-4:35 pm

1 stop20h 50m

$985

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Tue 8/4

5:18 am-7:00 am

1 stop24h 42m

Santiago Arturo Merino Benitez

Tue 8/25

8:30 pm-10:45 am

1 stop15h 15m

$1,007

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 Illinois to Santiago

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

Other information

What is the cheapest month to fly to Santiago?

In general, March is the cheapest month to fly from Illinois to Santiago. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $302. If you don’t want to visit Santiago in March, then you should wait until June to fly from Illinois, when ticket prices are also cheap, with an average price of $304.

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

You are more likely to see cheaper flights to Santiago from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago for around $809 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago from Illinois for as low as $620 on momondo.

Can stopping save me money on Illinois to Santiago flights?

You could potentially save up to 17% on your flight if you consider stops on a Illinois to Santiago flight.

Cheap Illinois to Santiago flight deals and tips

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

Fastest flight time	12h 09m
Direct flights	None

The fastest flight from Illinois to Santiago takes 12h 09m

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

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Frequently asked questions about flying from Illinois to Santiago

When did momondo last update prices for flights from Illinois to Santiago Arturo Merino Benitez Airport?
Prices for flights from Illinois to Santiago Arturo Merino Benitez Airport were last updated today.
How many operators does momondo search for flights from Illinois to Santiago Arturo Merino Benitez Airport?
As of May 2026, there are 6 operators available to choose from for flights from Illinois to Santiago Arturo Merino Benitez Airport.
How old do you have to be to fly from Illinois to Santiago Arturo Merino Benitez Airport?
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 Santiago Arturo Merino Benitez Airport.
What documentation or ID do you need to fly to Santiago Arturo Merino Benitez Airport?
The required travel and health documents for your Santiago Arturo Merino Benitez Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santiago Arturo Merino Benitez Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Santiago

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

Airline	Rating	Free Cancellation	Price
Copa Airlines	PriceFrom $537	Free Cancellation	Rating 7.5 1,584 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $540	Free Cancellation	Rating 7.4 1,923 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $567	Free Cancellation	Rating 6.5 2,527 reviews	Search Avianca flights
Delta	PriceFrom $568	Free Cancellation	Rating 7.9 8,455 reviews	Search Delta flights
American Airlines	PriceFrom $597	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
United Airlines	PriceFrom $626	Free Cancellation	Rating 7.4 9,727 reviews	Search United Airlines flights

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Why use momondo?

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

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 Santiago from Illinois.

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

Yes. All flights to Santiago from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Illinois to Santiago 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 Santiago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Santiago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.