HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santiago

$454+ 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 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Santiago with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 14, 2025.

This LATAM Airlines deal was found by Cheapflights users on 10/13. 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 11/1112:16 pmONT - SCL
1 stop14h 24mLATAM Airlines
Mon 11/1711:10 pmSCL - ONT
1 stop16h 56mLATAM Airlines
Deal found 10/13$814
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/116:05 amONT - SCL
1 stop21h 45mUnited Airlines
Tue 11/1810:45 pmSCL - ONT
2 stops18h 52mUnited Airlines
Deal found 10/14$819
This United Airlines deal was found by Cheapflights users on 10/13. 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
Tue 12/3010:45 pmSCL - ONT
1 stop28h 07mUnited Airlines
Deal found 10/13$825
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/155:05 amONT - SCL
2 stops22h 45mUnited Airlines
Mon 12/2910:45 pmSCL - ONT
1 stop28h 07mUnited Airlines
Deal found 10/13$830
This LATAM Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 10/237:05 amONT - SCL
2 stops18h 55mLATAM Airlines
Fri 10/3110:10 pmSCL - ONT
1 stop16h 16mLATAM Airlines
Deal found 10/13$850
This KAYAK deal was found by Cheapflights users on 10/12. 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.
Sat 10/2511:36 amONT - SCL
1 stop16h 04mLATAM Airlines
Thu 10/3010:10 pmSCL - ONT
1 stop16h 16mLATAM Airlines
Deal found 10/12$854
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 12/115:05 amONT - SCL
2 stops22h 45mUnited Airlines
Mon 12/2210:45 pmSCL - ONT
1 stop28h 07mUnited Airlines
Deal found 10/13$858
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/36:05 amONT - SCL
1 stop21h 45mUnited Airlines
Sun 11/910:45 pmSCL - ONT
2 stops18h 48mUnited Airlines
Deal found 10/14$859
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/176:00 amONT - SCL
1 stop21h 50mUnited Airlines
Sat 12/2710:45 pmSCL - ONT
1 stop28h 07mUnited Airlines
Deal found 10/14$866
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Thu 11/66:05 amONT - SCL
1 stop21h 45mUnited Airlines
Mon 11/1710:45 pmSCL - ONT
2 stops18h 46mUnited Airlines
Deal found 10/12$869
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/175:05 amONT - SCL
2 stops22h 45mUnited Airlines
Tue 12/3010:45 pmSCL - ONT
2 stops18h 53mUnited Airlines
Deal found 10/13$875

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 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$814
(LATAM Airlines)

One-way from

$454
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$787
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. 11% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 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 14, 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

Tue 12/2

6:00 am-8:50 am

1 stop21h 50m

Santiago Arturo Merino Benitez

Mon 12/8

10:45 pm-12:17 pm

2 stops18h 32m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Tue 2/17

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

Wed 11/5

6:05 am-8:50 am

1 stop21h 45m

Santiago Arturo Merino Benitez

Wed 12/17

10:45 pm-12:38 pm

2 stops18h 53m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Mon 2/2

6:00 am-8:50 am

2 stops21h 50m

Santiago Arturo Merino Benitez

Tue 3/24

9:45 pm-12:17 pm

2 stops18h 32m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Tue 11/11

6:05 am-8:50 am

1 stop21h 45m

Santiago Arturo Merino Benitez

Mon 11/17

10:45 pm-12:31 pm

2 stops18h 46m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Mon 2/9

6:00 am-8:50 am

1 stop21h 50m

Santiago Arturo Merino Benitez

Wed 3/25

9:45 pm-12:17 pm

2 stops18h 32m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 11/19

6:00 am-8:50 am

2 stops21h 50m

Santiago Arturo Merino Benitez

Wed 11/26

10:45 pm-12:32 pm

2 stops18h 47m

$819

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 2/18

6:00 am-8:50 am

1 stop21h 50m

Santiago Arturo Merino Benitez

Wed 2/25

10:45 pm-9:59 pm

1 stop28h 14m

$825

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 2/18

6:00 am-8:50 am

1 stop21h 50m

Santiago Arturo Merino Benitez

Thu 2/26

10:45 pm-9:59 pm

1 stop28h 14m

$825

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 1/7

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

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 21 results
1
2
3

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*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Santiago flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 50m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Santiago

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Santiago flights
San Francisco to Santiago flights
Las Vegas to Santiago flights
San Diego to Santiago flights
San Jose to Santiago flights
Sacramento to Santiago flights
San Francisco to Punta Arenas flights
Los Angeles to Punta Arenas flights
Santa Ana to Santiago flights
Los Angeles to Easter Island flights
San Francisco to Easter Island flights
Burbank to Santiago flights
Oakland to Santiago flights
San Jose to Punta Arenas flights
Medford to Santiago flights
San Jose to Balmaceda flights
San Francisco to Balmaceda flights
San Francisco to Puerto Montt flights
San Francisco to Calama flights
Long Beach to Santiago flights
San Diego to Easter Island flights
Fresno to Santiago flights
San Luis Obispo to Santiago flights
San Francisco to Iquique flights
Santa Rosa to Santiago flights
Tijuana to Santiago flights
San Jose to Iquique flights
San Diego to Punta Arenas flights
Oakland to Punta Arenas flights
Los Angeles to Calama flights
Long Beach to La Serena flights
San Francisco to Concepción flights
Los Angeles to Balmaceda flights
Los Angeles to La Serena flights
San Jose to Valdivia flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.