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$399+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SCL
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$829
(Mytrip)

One-way from

$399
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$890
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 ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:53 pmONT - SCL
3 stops34h 52mMultiple Airlines
Sat 9/66:10 amSCL - ONT
2 stops18h 45mMultiple Airlines
Deal found 7/30$829
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:29 pmONT - SCL
2 stops38h 21mUnited Airlines
Thu 11/2710:45 pmSCL - ONT
2 stops18h 48mUnited Airlines
Deal found 7/30$856
This LATAM Airlines deal was found by Cheapflights users on 7/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:45 amONT - SCL
1 stop16h 15mLATAM Airlines
Wed 8/2711:05 pmSCL - ONT
2 stops23h 06mLATAM Airlines
Deal found 7/30$858
This Priceline deal was found by Cheapflights users on 7/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1011:25 pmONT - SCL
2 stops25h 50mAvianca
Sun 8/246:10 amSCL - ONT
2 stops18h 45mAvianca
Deal found 7/29$953
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:00 pmONT - SCL
1 stop14h 00mDelta
Sat 12/279:30 pmSCL - ONT
1 stop18h 08mDelta
Deal found 7/29$979

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 July 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

Sat 8/30

11:53 pm-1:45 pm

3 stops34h 52m

Santiago Arturo Merino Benitez

Sat 9/6

6:10 am-9:55 pm

2 stops18h 45m

$829

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Sun 11/16

1:29 pm-8:50 am

2 stops38h 21m

Santiago Arturo Merino Benitez

Thu 11/27

10:45 pm-12:33 pm

2 stops18h 48m

$856

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Thu 8/21

11:45 am-7:00 am

1 stop16h 15m

Santiago Arturo Merino Benitez

Wed 8/27

11:05 pm-7:11 pm

2 stops23h 06m

$858

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Sun 8/10

11:25 pm-4:15 am

2 stops25h 50m

Santiago Arturo Merino Benitez

Sun 8/24

6:10 am-9:55 pm

2 stops18h 45m

$953

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Thu 12/11

12:00 pm-7:00 am

1 stop14h 00m

Santiago Arturo Merino Benitez

Sat 12/27

9:30 pm-10:38 am

1 stop18h 08m

$979

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Mon 9/8

1:09 am-3:35 am

3 stops22h 26m

$399

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Thu 8/7

11:25 pm-4:15 am

2 stops25h 50m

$516

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Mon 9/15

7:05 am-7:00 am

1 stop19h 55m

$564

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Wed 12/24

6:52 am-6:10 am

1 stop18h 18m

$568

OntarioSantiago

ONT - SCL

ONTSCL

Ontario

Fri 8/22

6:50 pm-7:24 pm

2 stops21h 34m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 12 results
1
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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 July 30, 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.

Reviews of airlines servicing Santiago

Get insights into the airlines that provide service to Santiago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Delta, LATAM Airlines, and Copa Airlines from Ontario to Santiago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,822 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.5
Good
1,493 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from Ontario to Santiago round-trip?

    United Airlines, at $856, was found to be the cheapest airline from Ontario to Santiago.Alternate airlines to your destination round-trip include LATAM Airlines and Avianca.

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

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as $516. However, be on the lookout for offers from Delta and LATAM Airlines, as they are both options that can get you from Ontario to Santiago for a low price.

  • 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.

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