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Cheap flights from Santiago to Illinois from $293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santiago to Illinois departing on 8/18. 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 Santiago to Illinois

Cheap round-trip flights

Logo
11:00 am - 9:22 amSCL-ORD
23h 22m1 stop
Logo
10:27 am - 4:15 amORD-SCL
40h 48m2 stops
$578
Find Deal
Tue, Aug 19 - Sun, Aug 31
LATAM Airlines Logo
11:25 pm - 12:08 pmSCL-ORD
15h 43m2 stops
LATAM Airlines Logo
11:19 am - 5:35 amORD-SCL
15h 16m2 stops
$611LATAM Airlines
Find Deal
Thu, Nov 20 - Sat, Dec 6
LATAM Airlines Logo
11:55 pm - 5:45 pmSCL-ORD
19h 50m1 stop
LATAM Airlines Logo
10:40 am - 6:55 amORD-SCL
17h 15m1 stop
$620LATAM Airlines
Find Deal
Mon, Sep 22 - Mon, Nov 17
LATAM Airlines Logo
10:55 pm - 5:37 pmSCL-ORD
19h 42m1 stop
LATAM Airlines Logo
7:00 am - 6:45 amORD-SCL
22h 45m1 stop
$623LATAM Airlines
Find Deal
Tue, Aug 19 - Sun, Aug 31
LATAM Airlines Logo
11:05 pm - 5:37 pmSCL-ORD
19h 32m2 stops
LATAM Airlines Logo
9:47 am - 6:30 amORD-SCL
18h 43m2 stops
$624LATAM Airlines
Find Deal
Wed, Aug 27 - Mon, Sep 8
Delta Logo
9:40 pm - 10:10 amSCL-ORD
14h 30m1 stop
Delta Logo
4:05 pm - 7:00 amORD-SCL
12h 55m1 stop
$640Delta
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Tue, Sep 30 - Tue, Oct 14
Delta Logo
9:40 pm - 12:28 pmSCL-MDW
16h 48m2 stops
Delta Logo
5:04 pm - 7:00 amMDW-SCL
11h 56m1 stop
$640Delta
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Tue, Sep 30 - Tue, Oct 14
American Airlines Logo
9:55 pm - 2:13 pmSCL-ORD
18h 18m2 stops
American Airlines Logo
3:32 pm - 8:00 amORD-SCL
14h 28m2 stops
$658American Airlines
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Thu, Oct 9 - Mon, Oct 13
American Airlines Logo
9:55 pm - 6:13 pmSCL-ORD
22h 18m1 stop
American Airlines Logo
6:00 am - 8:00 amORD-SCL
24h 00m1 stop
$666American Airlines
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Mon, Sep 29 - Fri, Oct 10
Copa Airlines Logo
3:26 am - 10:02 amSCL-STL
32h 36m2 stops
Copa Airlines Logo
8:15 am - 5:58 amSTL-SCL
43h 43m2 stops
$2,136Copa Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 20

Delta flights from Santiago to Illinois

Our best Delta deals on Santiago to Illinois flight tickets
Delta
Sep 30
SCL9:40 pmSantiago Arturo Merino Benitez
14h 30m
1 stop
ORD10:10 amChicago O'Hare Intl
Oct 14
ORD4:05 pmChicago O'Hare Intl
12h 55m
1 stop
SCL7:00 amSantiago Arturo Merino Benitez
$640
Find similar
Delta
Dec 19
SCL9:30 pmSantiago Arturo Merino Benitez
21h 48m
1 stop
ORD4:18 pmChicago O'Hare Intl
Jan 3
ORD12:40 pmChicago O'Hare Intl
14h 30m
1 stop
SCL6:10 amSantiago Arturo Merino Benitez
$641
Find similar
Delta
Sep 28
SCL8:50 amSantiago Arturo Merino Benitez
17h 04m
2 stops
ORD11:54 pmChicago O'Hare Intl
Feb 4
ORD10:40 amChicago O'Hare Intl
17h 15m
1 stop
SCL6:55 amSantiago Arturo Merino Benitez
$644
Find similar

American Airlines flights from Santiago to Illinois

Our best American Airlines deals on Santiago to Illinois flight tickets
American Airlines
Oct 9
SCL9:55 pmSantiago Arturo Merino Benitez
18h 18m
2 stops
ORD2:13 pmChicago O'Hare Intl
Oct 13
ORD3:32 pmChicago O'Hare Intl
14h 28m
2 stops
SCL8:00 amSantiago Arturo Merino Benitez
$658
Find similar
American Airlines
Sep 29
SCL9:55 pmSantiago Arturo Merino Benitez
22h 18m
1 stop
ORD6:13 pmChicago O'Hare Intl
Oct 10
ORD6:00 amChicago O'Hare Intl
24h 00m
1 stop
SCL8:00 amSantiago Arturo Merino Benitez
$666
Find similar
American Airlines
Sep 29
SCL9:55 pmSantiago Arturo Merino Benitez
25h 27m
1 stop
ORD9:22 pmChicago O'Hare Intl
Oct 10
ORD6:00 amChicago O'Hare Intl
24h 00m
1 stop
SCL8:00 amSantiago Arturo Merino Benitez
$668
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santiago to Illinois 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 July 31, 2025.
Use the filters below to find and compare flights from Santiago to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Tue 8/19

11:00 am-9:22 am

1 stop23h 22m

Chicago O'Hare Intl

Sun 8/31

10:27 am-4:15 am

2 stops40h 48m

$578

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Thu 11/20

11:25 pm-12:08 pm

2 stops15h 43m

Chicago O'Hare Intl

Sat 12/6

11:19 am-5:35 am

2 stops15h 16m

$611

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Mon 9/22

11:55 pm-5:45 pm

1 stop19h 50m

Chicago O'Hare Intl

Mon 11/17

10:40 am-6:55 am

1 stop17h 15m

$620

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Tue 8/19

10:55 pm-5:37 pm

1 stop19h 42m

Chicago O'Hare Intl

Sun 8/31

7:00 am-6:45 am

1 stop22h 45m

$623

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Wed 8/27

11:05 pm-5:37 pm

2 stops19h 32m

Chicago O'Hare Intl

Mon 9/8

9:47 am-6:30 am

2 stops18h 43m

$624

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Tue 9/30

9:40 pm-10:10 am

1 stop14h 30m

Chicago O'Hare Intl

Tue 10/14

4:05 pm-7:00 am

1 stop12h 55m

$640

SantiagoChicago

SCL - MDW

SCLMDW

Santiago Arturo Merino Benitez

Tue 9/30

9:40 pm-12:28 pm

2 stops16h 48m

Chicago Midway

Tue 10/14

5:04 pm-7:00 am

1 stop11h 56m

$640

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Thu 10/9

9:55 pm-2:13 pm

2 stops18h 18m

Chicago O'Hare Intl

Mon 10/13

3:32 pm-8:00 am

2 stops14h 28m

$658

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Mon 9/29

9:55 pm-6:13 pm

1 stop22h 18m

Chicago O'Hare Intl

Fri 10/10

6:00 am-8:00 am

1 stop24h 00m

$666

SantiagoSt. Louis

SCL - STL

SCLSTL

Santiago Arturo Merino Benitez

Fri 9/12

3:26 am-10:02 am

2 stops32h 36m

Lambert-St Louis

Sat 9/20

8:15 am-5:58 am

2 stops43h 43m

$2,136

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 Illinois from

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

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 $504, 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 March is also cheap. Prices for this month can be found on momondo for an average of $566.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Santiago to Illinois is on a Monday when prices can be found for as low as $687. Flights from Santiago to Illinois on a Sunday will generally be more expensive and average around $907. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Santiago to Illinois during this time can be as low as $749. Flights in the morning are often more expensive with an average ticket price of $818.

How far in advance should I book a flight 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 $744 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 $576 on momondo.

Cheap Santiago to Illinois flight deals and tips

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

Best Price Found

$293

Fastest flight time

13h 17m

Direct flights

None

Airports in Illinois

3 airports
The best one-way flight to Illinois from Santiago in the past 72 hours is $293. The best round-trip flight deal from Santiago to Illinois found on momondo in the last 72 hours is $578.
The fastest flight from Santiago to Illinois takes 13h 17m
There are no direct flights from Santiago to Illinois. Popular non-direct routes for this connection are Santiago Arturo Merino Benitez Airport - Chicago O'Hare Intl Airport, Santiago Arturo Merino Benitez Airport - Lambert-St Louis Airport and Santiago Arturo Merino Benitez Airport - Chicago Midway Airport.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
Search flight deals

  • 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?

  • 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
LATAM AirlinesPriceFrom $506Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights
AviancaPriceFrom $507Free CancellationRating
6.7
2,388 reviews
Search Avianca flights
Copa AirlinesPriceFrom $588Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights
DeltaPriceFrom $644Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $753Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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.

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