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$251+ Cheap flights from Illinois to Santiago (SCL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SCL
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheap flight deals from Illinois to Santiago

Cheapest flights from Illinois to Santiago
Explore the most affordable flight options available from Illinois to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:20 pmORD - SCL
1 stop14h 00mMultiple Airlines
Thu 1/83:34 amSCL - ORD
2 stops40h 24mMultiple Airlines
Deal found 12/20$934
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:54 amORD - SCL
1 stop20h 56mUnited Airlines
Tue 1/610:45 pmSCL - ORD
1 stop36h 02mUnited Airlines
Deal found 12/21$974
This Kiwi.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:20 pmORD - SCL
1 stop14h 00mMultiple Airlines
Wed 1/71:46 amSCL - ORD
2 stops38h 29mMultiple Airlines
Deal found 12/22$983
This Cheapflightsfares deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:35 pmORD - SCL
2 stops35h 55mAvianca
Sat 1/177:25 amSCL - ORD
1 stop15h 55mAvianca
Deal found 12/22$1,011
This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:20 pmORD - SCL
1 stop14h 00mMultiple Airlines
Wed 1/75:20 amSCL - ORD
2 stops58h 55mMultiple Airlines
Deal found 12/20$1,036
This KAYAK deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:45 amORD - SCL
1 stop20h 25mLATAM Airlines
Sat 1/1711:10 pmSCL - ORD
1 stop13h 57mLATAM Airlines
Deal found 12/20$1,056
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:30 amORD - SCL
1 stop21h 40mDelta
Sat 1/1711:10 pmSCL - ORD
1 stop13h 57mDelta
Deal found 12/22$1,064
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:05 pmORD - SCL
1 stop33h 45mUnited Airlines
Sun 12/2810:45 pmSCL - ORD
1 stop21h 20mUnited Airlines
Deal found 12/20$1,075
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:29 amMDW - SCL
2 stops19h 11mDelta
Wed 12/319:30 pmSCL - MDW
1 stop14h 35mDelta
Deal found 12/21$1,204
This Cheapflightsfares deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amMDW - SCL
1 stop22h 40mLATAM Airlines
Wed 12/319:30 pmSCL - MDW
1 stop14h 35mLATAM Airlines
Deal found 12/21$1,391
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:29 pmMDW - SCL
1 stop13h 11mDelta
Tue 1/69:30 pmSCL - MDW
1 stop27h 37mDelta
Deal found 12/22$1,408
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 amMDW - SCL
1 stop21h 10mDelta
Tue 1/69:30 pmSCL - MDW
2 stops18h 18mDelta
Deal found 12/22$1,412

Find flight deals from Illinois to Santiago

Keep the following information in mind while searching for Illinois to Santiago flight deals. Data was last updated December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$628
(LATAM Airlines)

One-way from

$251
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$929
Provider with most accurate pricing for Chicago (CHI)-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Santiago Arturo Merino Benitez flights.
Search Deals
From Illinois to Santiago Arturo Merino Benitez
Search Deals
One-way flight from Illinois to Santiago Arturo Merino Benitez
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2025.
Use the filters below to find and compare flights from Illinois to Santiago that are best for you.

Fly from

Illinois

Fly to

Santiago

Route

Depart

Return

Price

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Tue 1/27

10:48 am-7:40 am

1 stop17h 52m

Santiago Arturo Merino Benitez

Tue 2/10

11:10 pm-9:53 am

1 stop13h 43m

$634

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Sun 5/17

11:19 am-5:35 am

2 stops17h 16m

Santiago Arturo Merino Benitez

Sat 5/23

10:55 pm-5:41 pm

1 stop19h 46m

$634

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Tue 3/10

8:34 am-11:49 pm

1 stop13h 15m

Santiago Arturo Merino Benitez

Tue 3/17

12:28 pm-1:04 am

1 stop14h 36m

$638

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Sat 5/9

6:34 pm-9:10 pm

2 stops25h 36m

Santiago Arturo Merino Benitez

Sun 5/17

11:30 am-6:15 pm

2 stops31h 45m

$639

ChicagoSantiago

ORD - SCL

ORDSCL

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:35 am

1 stop17h 12m

Santiago Arturo Merino Benitez

Sun 5/3

8:15 pm-6:15 pm

2 stops23h 00m

$647

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Sun 5/17

1:05 pm-5:35 am

2 stops15h 30m

Santiago Arturo Merino Benitez

Sat 5/23

11:00 pm-3:25 pm

2 stops17h 25m

$647

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Sat 1/24

4:30 pm-3:30 pm

2 stops20h 00m

Santiago Arturo Merino Benitez

Thu 2/5

11:10 pm-5:29 pm

1 stop21h 19m

$650

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Mon 2/2

12:46 pm-7:40 am

1 stop15h 54m

Santiago Arturo Merino Benitez

Tue 2/17

11:10 pm-11:59 am

1 stop15h 49m

$650

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Mon 2/2

12:46 pm-7:40 am

1 stop15h 54m

Santiago Arturo Merino Benitez

Mon 2/9

11:10 pm-11:59 am

1 stop15h 49m

$650

ChicagoSantiago

MDW - SCL

MDWSCL

Chicago Midway

Wed 4/22

1:05 pm-7:15 am

1 stop17h 10m

Santiago Arturo Merino Benitez

Sun 4/26

4:30 pm-9:45 pm

2 stops30h 15m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 46 results
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Best time to book a flight from Illinois to Santiago

Have a flexible travel schedule? Discover the best time to fly to Santiago from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Santiago

What is the cheapest month to book a flight from Illinois to Santiago?

Currently, February is the cheapest month in which you can book a flight from Illinois to Santiago (average of $408). Flying from Illinois to Santiago in August is currently the most expensive (average of $889). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to SCL?

Find hourly flight availability from Illinois to Santiago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2025.

When flying from Illinois to Santiago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Santiago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santiago from Illinois?

    Santiago Arturo Merino Benitez (SCL) is the airport you will fly into if you book a flight from Illinois to Santiago. It is only a 8.4 mi journey from Arturo Merino Benitez (SCL) to Santiago’s city center.

  • How long is the flight from Illinois to Santiago?

    There are many flights that can get you from Illinois to Santiago in 13h 15m. Fly via LATAM Airlines, Copa Airlines, or Delta to get the fastest option. The distance from Illinois to Santiago is about 5316 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Santiago one-way?

    One-way options have recently been found by users for as low as $284 on Avianca. Other airlines that offer cheap prices include Air Canada from $354 and American Airlines from $432 one-way.

  • What are the most popular routes from Illinois to Santiago?

    Most travelers choose Chicago O'Hare Intl - Santiago Arturo Merino Benitez, Chicago Midway - Santiago Arturo Merino Benitez or Lambert-St Louis - Santiago Arturo Merino Benitez when deciding on the best route from Illinois to Santiago.

  • Can I find deals for flights from Illinois to Santiago that include hotel bookings?

    Yes. In addition to deals on Illinois to Santiago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Santiago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Santiago.

  • Can I find deals for business class flights from Illinois to Santiago?

    Yes. Cheapflights offers flight deals from Illinois to Santiago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Santiago?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Santiago (average of $408). Flying from Illinois to Santiago in August is currently the most expensive (average of $889). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Santiago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to Santiago

Discover the top 7 airlines that operate flights from Illinois to Santiago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$484Average$951FlexibilityNo cancel feeOn-time67%
AviancaCheapest$564Average$733FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$615Average$811FlexibilityNo cancel feeOn-time70%
DeltaCheapest$626Average$887FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$630Average$986FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$684Average$905FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$713Average$865FlexibilityNo cancel feeOn-time69%

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