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Cheap flights from Illinois to Santiago from $258

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 Santiago departing on 1/22. 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
0 bags

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Find the cheapest flights from Illinois to Santiago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:20 am - 6:40 am
ORD
-
SCL
20h 20m2 stops
Multiple Airlines Logo
9:05 pm - 12:40 am
SCL
-
ORD
30h 35m3 stops
$617Multiple Airlines
Tue, Feb 10 - Tue, Feb 17
Delta Logo
6:30 pm - 7:40 am
ORD
-
SCL
34h 10m1 stop
Delta Logo
10:10 pm - 4:49 pm
SCL
-
ORD
20h 39m1 stop
$618Delta
Sat, Feb 28 - Tue, Mar 10
United Airlines Logo
4:50 pm - 8:50 am
ORD
-
SCL
13h 00m1 stop
United Airlines Logo
10:45 pm - 9:26 pm
SCL
-
ORD
25h 41m1 stop
$619United Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
6:34 pm - 2:35 am
ORD
-
SCL
31h 01m2 stops
Multiple Airlines Logo
11:55 pm - 1:15 pm
SCL
-
ORD
14h 20m1 stop
$620Multiple Airlines
Mon, Apr 20 - Sun, May 3
Avianca Logo
2:35 pm - 4:15 am
ORD
-
SCL
12h 40m1 stop
Avianca Logo
11:55 pm - 1:15 pm
SCL
-
ORD
14h 20m1 stop
$621Avianca
Mon, Apr 20 - Sun, May 3
LATAM Airlines Logo
7:00 am - 5:55 am
ORD
-
SCL
20h 55m1 stop
LATAM Airlines Logo
6:30 pm - 12:57 pm
SCL
-
ORD
20h 27m2 stops
$623LATAM Airlines
Sun, Mar 15 - Thu, Mar 26
Avianca Logo
2:35 pm - 4:15 am
ORD
-
SCL
12h 40m1 stop
Avianca Logo
11:55 pm - 1:15 pm
SCL
-
ORD
14h 20m1 stop
$626Avianca
Tue, Apr 14 - Sat, Apr 25
LATAM Airlines Logo
12:48 pm - 7:40 am
MDW
-
SCL
15h 52m1 stop
LATAM Airlines Logo
11:25 pm - 11:59 am
SCL
-
MDW
15h 34m2 stops
$628LATAM Airlines
Tue, Jan 27 - Tue, Feb 10
United Airlines Logo
6:00 am - 7:50 am
STL
-
SCL
23h 50m1 stop
United Airlines Logo
9:45 pm - 9:21 am
SCL
-
STL
13h 36m1 stop
$755United Airlines
Wed, Mar 11 - Mon, Mar 23
American Airlines Logo
11:27 am - 7:50 am
STL
-
SCL
17h 23m2 stops
American Airlines Logo
10:30 pm - 11:05 am
SCL
-
STL
15h 35m1 stop
$809American Airlines
Wed, Jan 14 - Sun, Jan 25

Avianca flights from Illinois to Santiago

Our best Avianca deals on Illinois to Santiago flight tickets
Avianca
Apr 20
ORD2:35 pmChicago O'Hare Intl
12h 40m
1 stop
SCL4:15 amSantiago Arturo Merino Benitez
May 3
SCL11:55 pmSantiago Arturo Merino Benitez
14h 20m
1 stop
ORD1:15 pmChicago O'Hare Intl
$621
Find similar
Avianca
Apr 14
ORD2:35 pmChicago O'Hare Intl
12h 40m
1 stop
SCL4:15 amSantiago Arturo Merino Benitez
Apr 24
SCL11:55 pmSantiago Arturo Merino Benitez
14h 20m
1 stop
ORD1:15 pmChicago O'Hare Intl
$626
Find similar
Avianca
Apr 26
ORD2:35 pmChicago O'Hare Intl
12h 40m
1 stop
SCL4:15 amSantiago Arturo Merino Benitez
Apr 30
SCL11:55 pmSantiago Arturo Merino Benitez
14h 20m
1 stop
ORD1:15 pmChicago O'Hare Intl
$630
Find similar

LATAM Airlines flights from Illinois to Santiago

Our best LATAM Airlines deals on Illinois to Santiago flight tickets
LATAM Airlines
Mar 15
ORD7:00 amChicago O'Hare Intl
20h 55m
1 stop
SCL5:55 amSantiago Arturo Merino Benitez
Mar 26
SCL6:30 pmSantiago Arturo Merino Benitez
20h 27m
2 stops
ORD12:57 pmChicago O'Hare Intl
$623
Find similar
LATAM Airlines
Jan 27
MDW12:48 pmChicago Midway
15h 52m
1 stop
SCL7:40 amSantiago Arturo Merino Benitez
Feb 10
SCL11:25 pmSantiago Arturo Merino Benitez
15h 34m
2 stops
MDW11:59 amChicago Midway
$628
Find similar
LATAM Airlines
Mar 4
ORD2:46 pmChicago O'Hare Intl
13h 54m
1 stop
SCL7:40 amSantiago Arturo Merino Benitez
Mar 12
SCL11:25 pmSantiago Arturo Merino Benitez
19h 24m
2 stops
ORD4:49 pmChicago O'Hare Intl
$631
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Santiago 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 December 28, 2025.
Use the filters below to find and compare flights from Illinois to Santiago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Tue 2/10

7:20 am-6:40 am

2 stops20h 20m

Santiago Arturo Merino Benitez

Tue 2/17

9:05 pm-12:40 am

3 stops30h 35m

$617

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Sat 2/28

6:30 pm-7:40 am

1 stop34h 10m

Santiago Arturo Merino Benitez

Tue 3/10

10:10 pm-4:49 pm

1 stop20h 39m

$618

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Sun 1/25

4:50 pm-8:50 am

1 stop13h 00m

Santiago Arturo Merino Benitez

Sun 2/1

10:45 pm-9:26 pm

1 stop25h 41m

$619

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Mon 4/20

6:34 pm-2:35 am

2 stops31h 01m

Santiago Arturo Merino Benitez

Sun 5/3

11:55 pm-1:15 pm

1 stop14h 20m

$620

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Mon 4/20

2:35 pm-4:15 am

1 stop12h 40m

Santiago Arturo Merino Benitez

Sun 5/3

11:55 pm-1:15 pm

1 stop14h 20m

$621

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Sun 3/15

7:00 am-5:55 am

1 stop20h 55m

Santiago Arturo Merino Benitez

Thu 3/26

6:30 pm-12:57 pm

2 stops20h 27m

$623

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Tue 4/14

2:35 pm-4:15 am

1 stop12h 40m

Santiago Arturo Merino Benitez

Sat 4/25

11:55 pm-1:15 pm

1 stop14h 20m

$626

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Tue 1/27

12:48 pm-7:40 am

1 stop15h 52m

Santiago Arturo Merino Benitez

Tue 2/10

11:25 pm-11:59 am

2 stops15h 34m

$628

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 3/11

6:00 am-7:50 am

1 stop23h 50m

Santiago Arturo Merino Benitez

Mon 3/23

9:45 pm-9:21 am

1 stop13h 36m

$755

St. LouisSantiago

STL - SCL

STLSCL

Lambert-St Louis

Wed 1/14

11:27 am-7:50 am

2 stops17h 23m

Santiago Arturo Merino Benitez

Sun 1/25

10:30 pm-11:05 am

1 stop15h 35m

$809

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Santiago from

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

What is the cheapest month to fly to Santiago?

In general, September 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 $659. If you don’t want to visit Santiago in September, then you should wait until April to fly from Illinois, when ticket prices are also cheap, with an average price of $775.

What is the cheapest time of day to depart on your flight to Santiago?

In the evening is the cheapest time of day to fly from Illinois to Santiago when you can find flight prices for as low as $843. Flying to Santiago in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Santiago, so prices are often more expensive at around $942 per ticket.

How far in advance should I book a flight 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 $871 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 $673 on momondo.

Can stopping save me money on Illinois to Santiago flights?

You could potentially save up to 26% 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 15m

Direct flights

None
The fastest flight from Illinois to Santiago takes 12h 15m
There are no direct flights from Illinois to Santiago. There are no popular flight routes from Illinois to Santiago.
Search flight deals

  • 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?

  • 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
Air CanadaPriceFrom $484Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
AviancaPriceFrom $558Free CancellationRating
6.6
2,489 reviews
Search Avianca flights
Copa AirlinesPriceFrom $615Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $626Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
DeltaPriceFrom $626Free CancellationRating
7.9
8,016 reviews
Search Delta flights
American AirlinesPriceFrom $630Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $637Free CancellationRating
7.5
1,895 reviews
Search LATAM Airlines flights

Traveling to a place near Santiago?

Book flights to Santiago if you plan to visit one of these locations
Viña del Mar
Santa Cruz
Valparaíso
Valle Nevado
San Fernando
Pichilemu

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.

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