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$331+ Cheap flights from Ontario (ONT) 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SCL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Santiago

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Santiago (SCL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$834
(LATAM Airlines)

One-way from

$331
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$804
From Ontario to Santiago Arturo Merino Benitez
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One-way flight from Ontario to Santiago Arturo Merino Benitez
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Highest demand for flights based on searches. 11% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Santiago

Cheapest flights from Ontario to Santiago
Explore the most affordable flight options available from Ontario to Santiago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 10/1411:36 amONT - SCL
1 stop15h 24mDelta
Thu 10/169:40 pmSCL - ONT
1 stop25h 39mDelta
Deal found 9/9$834
This LATAM Airlines deal was found by Cheapflights users on 9/9. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:05 amONT - SCL
2 stops19h 45mLATAM Airlines
Thu 10/1610:55 pmSCL - ONT
2 stops27h 27mLATAM Airlines
Deal found 9/9$838
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:05 amONT - SCL
2 stops18h 30mLATAM Airlines
Tue 1/206:30 pmSCL - ONT
2 stops22h 08mLATAM Airlines
Deal found 9/10$852
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 11/105:05 amONT - SCL
2 stops22h 45mUnited Airlines
Mon 1/1210:45 pmSCL - ONT
2 stops23h 58mUnited Airlines
Deal found 9/9$856
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/165:05 amONT - SCL
2 stops22h 45mUnited Airlines
Tue 12/3010:45 pmSCL - ONT
1 stop28h 07mUnited Airlines
Deal found 9/10$868
This LATAM Airlines deal was found by Cheapflights users on 9/8. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:36 amONT - SCL
1 stop15h 04mLATAM Airlines
Mon 11/1011:10 pmSCL - ONT
1 stop16h 30mLATAM Airlines
Deal found 9/8$870
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 11/36:00 amONT - SCL
2 stops21h 50mUnited Airlines
Mon 11/1010:45 pmSCL - ONT
2 stops18h 46mUnited Airlines
Deal found 9/8$874
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 11/146:05 amONT - SCL
1 stop21h 45mUnited Airlines
Mon 11/1710:45 pmSCL - ONT
2 stops18h 52mUnited Airlines
Deal found 9/9$878
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 12/246:04 amONT - SCL
1 stop21h 46mUnited Airlines
Mon 12/2910:45 pmSCL - ONT
1 stop28h 07mUnited Airlines
Deal found 9/10$881
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 12/246:00 amONT - SCL
2 stops21h 50mUnited Airlines
Tue 12/3010:45 pmSCL - ONT
1 stop28h 07mUnited Airlines
Deal found 9/10$886
This LATAM Airlines deal was found by Cheapflights users on 9/9. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:05 amONT - SCL
2 stops18h 55mLATAM Airlines
Mon 10/209:40 pmSCL - ONT
1 stop16h 46mLATAM Airlines
Deal found 9/9$888

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 September 11, 2025.
Use the filters below to find and compare flights from Ontario to Santiago that are best for you.

Fly from

Ontario

Fly to

Santiago

Route

Depart

Return

Price

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 11/19

11:45 am-7:40 am

1 stop14h 55m

Santiago Arturo Merino Benitez

Wed 12/3

11:10 pm-10:40 am

1 stop16h 30m

$834

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Tue 11/18

11:45 am-7:40 am

1 stop14h 55m

Santiago Arturo Merino Benitez

Wed 12/3

11:10 pm-10:40 am

1 stop16h 30m

$834

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Tue 10/14

11:36 am-7:00 am

1 stop15h 24m

Santiago Arturo Merino Benitez

Thu 10/16

9:40 pm-7:19 pm

1 stop25h 39m

$834

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 11/19

6:05 am-8:50 am

1 stop21h 45m

Santiago Arturo Merino Benitez

Tue 12/2

10:45 pm-12:32 pm

2 stops18h 47m

$838

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Mon 11/24

6:00 am-8:50 am

2 stops21h 50m

Santiago Arturo Merino Benitez

Mon 12/8

10:45 pm-12:32 pm

2 stops18h 47m

$838

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Thu 11/20

6:05 am-8:50 am

1 stop21h 45m

Santiago Arturo Merino Benitez

Mon 12/1

10:45 pm-12:32 pm

2 stops18h 47m

$838

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Sun 11/23

6:38 pm-8:50 am

2 stops33h 12m

Santiago Arturo Merino Benitez

Mon 12/8

10:45 pm-5:37 pm

2 stops23h 52m

$838

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Tue 11/18

6:00 am-8:50 am

2 stops21h 50m

Santiago Arturo Merino Benitez

Tue 1/20

10:45 pm-12:14 pm

2 stops18h 29m

$856

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 11/26

6:05 am-8:50 am

1 stop21h 45m

Santiago Arturo Merino Benitez

Mon 12/29

10:45 pm-9:07 pm

2 stops27h 22m

$856

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Thu 2/12

6:02 am-8:50 am

1 stop21h 48m

Santiago Arturo Merino Benitez

Mon 2/23

10:45 pm-8:17 pm

2 stops26h 32m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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Best time to book a flight from Ontario to Santiago

Have a flexible travel schedule? Discover the best time to fly to Santiago from Ontario 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 Ontario to Santiago

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

Currently, April is the cheapest month in which you can book a flight from Ontario to Santiago (average of $752). Flying from Ontario to Santiago in December is currently the most expensive (average of $1,098). 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 ONT to SCL?

Find hourly flight availability from Ontario 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 September 11, 2025.

It’s typically best to fly out from Ontario to Santiago at noon. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

Related info for your journey

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

  • How long is the flight from Ontario to Santiago?

    Airlines like Delta and United Airlines fly from Ontario to Santiago in about 14h 55m. The time it takes to get you to your destination can typically vary by up to 6h 50m. The distance from Ontario to Santiago is about 5558 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Santiago?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Santiago (average of $752). Flying from Ontario to Santiago in December is currently the most expensive (average of $1,098). 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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