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$397+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SCL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 11/611:36 amONT - SCL
1 stop15h 04mDelta
Wed 11/1911:10 pmSCL - ONT
1 stop16h 56mDelta
Deal found 10/30$804
This FlightHub deal was found by Cheapflights users on 10/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:05 amONT - SCL
1 stop19h 35mLATAM Airlines
Thu 12/115:15 amSCL - ONT
2 stops22h 49mLATAM Airlines
Deal found 10/28$814
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/15:05 amONT - SCL
2 stops22h 45mUnited Airlines
Thu 12/1110:45 pmSCL - ONT
2 stops18h 47mUnited Airlines
Deal found 10/28$819
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/96:00 amONT - SCL
2 stops21h 50mUnited Airlines
Tue 1/1310:45 pmSCL - ONT
1 stop28h 13mUnited Airlines
Deal found 10/29$854
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/105:05 amONT - SCL
2 stops22h 45mUnited Airlines
Thu 1/1510:45 pmSCL - ONT
1 stop28h 13mUnited Airlines
Deal found 10/29$858
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/146:00 amONT - SCL
1 stop21h 50mUnited Airlines
Wed 1/2110:45 pmSCL - ONT
2 stops23h 58mUnited Airlines
Deal found 10/29$859
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/56:00 amONT - SCL
2 stops21h 50mUnited Airlines
Wed 11/1210:45 pmSCL - ONT
2 stops18h 48mUnited Airlines
Deal found 10/29$869
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/145:05 amONT - SCL
2 stops22h 45mUnited Airlines
Mon 1/1910:45 pmSCL - ONT
1 stop28h 13mUnited Airlines
Deal found 10/29$870
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/156:00 amONT - SCL
1 stop21h 50mUnited Airlines
Mon 1/1910:45 pmSCL - ONT
1 stop28h 13mUnited Airlines
Deal found 10/29$875
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/146:00 amONT - SCL
1 stop21h 50mUnited Airlines
Tue 1/2010:45 pmSCL - ONT
2 stops18h 32mUnited Airlines
Deal found 10/29$887

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$814
(American Airlines)

One-way from

$397
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$789
Provider with most accurate pricing for Ontario-Santiago Arturo Merino Benitez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Santiago Arturo Merino Benitez flights.
Search Deals
From Ontario to Santiago Arturo Merino Benitez
Search Deals
One-way flight from Ontario to Santiago Arturo Merino Benitez
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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

6:05 am-8:50 am

1 stop21h 45m

Santiago Arturo Merino Benitez

Wed 11/26

10:45 pm-4:12 pm

1 stop22h 27m

$814

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Thu 12/11

6:00 am-8:50 am

1 stop21h 50m

Santiago Arturo Merino Benitez

Mon 1/12

10:45 pm-12:47 pm

2 stops19h 02m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 2/11

6:00 am-8:50 am

1 stop21h 50m

Santiago Arturo Merino Benitez

Mon 2/23

10:45 pm-12:43 pm

2 stops18h 58m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Mon 12/1

6:05 am-8:50 am

1 stop21h 45m

Santiago Arturo Merino Benitez

Thu 12/11

10:45 pm-12:32 pm

2 stops18h 47m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 11/19

6:00 am-8:50 am

2 stops21h 50m

Santiago Arturo Merino Benitez

Wed 12/3

10:45 pm-12:18 pm

2 stops18h 33m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Thu 12/11

6:00 am-8:50 am

1 stop21h 50m

Santiago Arturo Merino Benitez

Thu 1/15

10:45 pm-9:58 pm

1 stop28h 13m

$854

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Tue 1/6

6:00 am-8:50 am

1 stop21h 50m

Santiago Arturo Merino Benitez

Tue 1/20

10:45 pm-9:58 pm

1 stop28h 13m

$854

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Tue 12/9

6:00 am-8:50 am

2 stops21h 50m

Santiago Arturo Merino Benitez

Thu 1/15

10:45 pm-9:58 pm

1 stop28h 13m

$854

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 12/10

5:05 am-8:50 am

2 stops22h 45m

Santiago Arturo Merino Benitez

Tue 1/13

10:45 pm-9:58 pm

1 stop28h 13m

$858

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 4/1

6:02 am-5:15 am

2 stops19h 13m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 20 results
1
2

Compare providers for flights from Ontario to Santiago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Santiago in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Santiago flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Santiago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Santiago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Santiago flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Santiago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, May is the cheapest month in which you can book a flight from Ontario to Santiago (average of $482). Flying from Ontario to Santiago in December is currently the most expensive (average of $744). 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.

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 United Airlines fly from Ontario to Santiago in about 21h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Ontario to Santiago is about 5558 mi.

  • 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, May is the cheapest month in which you can book a flight from Ontario to Santiago (average of $482). Flying from Ontario to Santiago in December is currently the most expensive (average of $744). 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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