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Cheap flights from Santiago to Illinois from $273

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 11/15. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 pm - 6:36 pmSCL-ORD
33h 06m2 stops
Multiple Airlines Logo
3:26 pm - 9:07 amORD-SCL
38h 41m3 stops
$626Multiple Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 12
Multiple Airlines Logo
12:30 pm - 6:36 pmSCL-ORD
33h 06m2 stops
Multiple Airlines Logo
5:00 am - 2:34 pmORD-SCL
30h 34m2 stops
$631Multiple Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 12
Multiple Airlines Logo
9:10 pm - 12:30 pmSCL-ORD
18h 20m2 stops
Multiple Airlines Logo
8:15 pm - 11:40 pmORD-SCL
24h 25m2 stops
$642Multiple Airlines
Find Deal
Sat, Feb 28 - Thu, Mar 5
LATAM Airlines Logo
11:30 pm - 5:53 pmSCL-ORD
21h 23m1 stop
LATAM Airlines Logo
7:00 am - 6:55 amORD-SCL
20h 55m1 stop
$704LATAM Airlines
Find Deal
Thu, Nov 20 - Mon, Dec 1
LATAM Airlines Logo
10:30 pm - 5:37 pmSCL-ORD
21h 07m1 stop
LATAM Airlines Logo
1:30 pm - 7:00 amORD-SCL
15h 30m1 stop
$706LATAM Airlines
Find Deal
Tue, Mar 24 - Mon, Mar 30
Copa Airlines Logo
3:32 am - 1:04 amSCL-ORD
23h 32m1 stop
Copa Airlines Logo
8:32 am - 4:01 amORD-SCL
17h 29m1 stop
$722Copa Airlines
Find Deal
Mon, Mar 23 - Mon, Mar 30
Delta Logo
6:30 pm - 1:39 pmSCL-ORD
22h 09m2 stops
Delta Logo
6:30 am - 7:00 amORD-SCL
21h 30m2 stops
$725Delta
Find Deal
Mon, Feb 2 - Wed, Feb 25
Delta Logo
11:15 pm - 12:35 pmSCL-MDW
15h 20m2 stops
Delta Logo
1:00 pm - 8:00 amMDW-SCL
17h 00m2 stops
$725Delta
Find Deal
Tue, Mar 24 - Mon, Mar 30
American Airlines Logo
10:25 pm - 12:56 pmSCL-ORD
17h 31m2 stops
American Airlines Logo
3:13 pm - 8:00 amORD-SCL
13h 47m1 stop
$741American Airlines
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Fri, Nov 21 - Mon, Nov 24
Copa Airlines Logo
3:32 am - 1:04 amSCL-ORD
23h 32m1 stop
Copa Airlines Logo
8:32 am - 11:54 pmORD-SCL
13h 22m1 stop
$742Copa Airlines
Find Deal
Mon, Mar 9 - Tue, Mar 31

Air Canada flights from Santiago to Illinois

Our best Air Canada deals on Santiago to Illinois flight tickets
Air Canada
Feb 9
SCL8:55 pmSantiago Arturo Merino Benitez
15h 18m
1 stop
ORD9:13 amChicago O'Hare Intl
Mar 6
ORD3:55 pmChicago O'Hare Intl
17h 20m
1 stop
SCL12:15 pmSantiago Arturo Merino Benitez
$698
Find similar
Air Canada
Dec 23
SCL8:55 pmSantiago Arturo Merino Benitez
21h 00m
2 stops
ORD2:55 pmChicago O'Hare Intl
Jan 10
ORD12:50 pmChicago O'Hare Intl
15h 00m
1 stop
SCL6:50 amSantiago Arturo Merino Benitez
$732
Find similar
Air Canada
Dec 23
SCL8:55 pmSantiago Arturo Merino Benitez
21h 00m
2 stops
ORD2:55 pmChicago O'Hare Intl
Jan 10
ORD12:50 pmChicago O'Hare Intl
15h 00m
1 stop
SCL6:50 amSantiago Arturo Merino Benitez
$733
Find similar

Copa Airlines flights from Santiago to Illinois

Our best Copa Airlines deals on Santiago to Illinois flight tickets
Copa Airlines
Mar 23
SCL3:32 amSantiago Arturo Merino Benitez
23h 32m
1 stop
ORD1:04 amChicago O'Hare Intl
Mar 30
ORD8:32 amChicago O'Hare Intl
17h 29m
1 stop
SCL4:01 amSantiago Arturo Merino Benitez
$722
Find similar
Copa Airlines
Mar 9
SCL3:32 amSantiago Arturo Merino Benitez
23h 32m
1 stop
ORD1:04 amChicago O'Hare Intl
Mar 31
ORD8:32 amChicago O'Hare Intl
13h 22m
1 stop
SCL11:54 pmSantiago Arturo Merino Benitez
$742
Find similar
Copa Airlines
Nov 12
SCL1:12 amSantiago Arturo Merino Benitez
21h 04m
2 stops
STL7:16 pmLambert-St Louis
Nov 17
STL8:25 amLambert-St Louis
18h 36m
2 stops
SCL6:01 amSantiago Arturo Merino Benitez
$1,773
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 November 4, 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

Thu 12/4

12:30 pm-6:36 pm

2 stops33h 06m

Chicago O'Hare Intl

Fri 12/12

3:26 pm-9:07 am

3 stops38h 41m

$626

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Thu 12/4

12:30 pm-6:36 pm

2 stops33h 06m

Chicago O'Hare Intl

Fri 12/12

5:00 am-2:34 pm

2 stops30h 34m

$631

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Sat 2/28

9:10 pm-12:30 pm

2 stops18h 20m

Chicago O'Hare Intl

Thu 3/5

8:15 pm-11:40 pm

2 stops24h 25m

$642

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Thu 11/20

11:30 pm-5:53 pm

1 stop21h 23m

Chicago O'Hare Intl

Mon 12/1

7:00 am-6:55 am

1 stop20h 55m

$704

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Tue 3/24

10:30 pm-5:37 pm

1 stop21h 07m

Chicago O'Hare Intl

Mon 3/30

1:30 pm-7:00 am

1 stop15h 30m

$706

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Mon 3/23

3:32 am-1:04 am

1 stop23h 32m

Chicago O'Hare Intl

Mon 3/30

8:32 am-4:01 am

1 stop17h 29m

$722

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Mon 2/2

6:30 pm-1:39 pm

2 stops22h 09m

Chicago O'Hare Intl

Wed 2/25

6:30 am-7:00 am

2 stops21h 30m

$725

SantiagoChicago

SCL - MDW

SCLMDW

Santiago Arturo Merino Benitez

Tue 3/24

11:15 pm-12:35 pm

2 stops15h 20m

Chicago Midway

Mon 3/30

1:00 pm-8:00 am

2 stops17h 00m

$725

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Fri 11/21

10:25 pm-12:56 pm

2 stops17h 31m

Chicago O'Hare Intl

Mon 11/24

3:13 pm-8:00 am

1 stop13h 47m

$741

SantiagoChicago

SCL - ORD

SCLORD

Santiago Arturo Merino Benitez

Mon 3/9

3:32 am-1:04 am

1 stop23h 32m

Chicago O'Hare Intl

Tue 3/31

8:32 am-11:54 pm

1 stop13h 22m

$742

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 $508, 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 $571.

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 $729 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 $567 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

Direct flights

None
There are no direct flights from Santiago to Illinois. There are no popular flight routes from Santiago to Illinois.
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
Copa AirlinesPriceFrom $343Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
DeltaPriceFrom $504Free CancellationRating
7.9
8,002 reviews
Search Delta flights
LATAM AirlinesPriceFrom $513Free CancellationRating
7.5
1,873 reviews
Search LATAM Airlines flights
AviancaPriceFrom $519Free CancellationRating
6.6
2,470 reviews
Search Avianca flights
American AirlinesPriceFrom $753Free CancellationRating
7.2
11,038 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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Find better results for your trip to Illinois

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