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$398+ Cheap flights from Santiago (SCL) to Ontario (ONT)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SCL — ONT
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Santiago to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Santiago (SCL) to Ontario (ONT). 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 June 18, 2025.

Round-trip from

$770
(Mytrip)

One-way from

$398
(Cheapflightsfares)

Popular in

January

Cheapest in

November

Average price

$800
From Santiago Arturo Merino Benitez to Ontario
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One-way flight from Santiago Arturo Merino Benitez to Ontario
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Highest demand for flights based on searches. 15% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Santiago to Ontario

Cheapest flights from Santiago to Ontario
Explore the most affordable flight options available from Santiago to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Mytrip deal was found by Cheapflights users on 6/16. 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.
Tue 8/266:10 amSCL - ONT
2 stops18h 45mAvianca
Tue 9/211:25 pmONT - SCL
2 stops20h 05mAvianca
Deal found 6/16$770
This Justfly.com deal was found by Cheapflights users on 6/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:40 pmSCL - ONT
1 stop17h 44mLATAM Airlines
Tue 10/710:59 pmONT - SCL
1 stop28h 01mLATAM Airlines
Deal found 6/18$835
This United Airlines deal was found by Cheapflights users on 6/16. 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 11/610:45 pmSCL - ONT
2 stops18h 48mUnited Airlines
Thu 11/276:00 amONT - SCL
2 stops21h 50mUnited Airlines
Deal found 6/16$838
This Delta deal was found by Cheapflights users on 6/16. 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 8/1111:00 amSCL - ONT
2 stops26h 35mDelta
Tue 9/96:05 amONT - SCL
2 stops20h 55mDelta
Deal found 6/16$841
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Wed 8/68:15 pmSCL - ONT
2 stops28h 40mMultiple Airlines
Tue 8/1911:25 pmONT - SCL
3 stops25h 36mMultiple Airlines
Deal found 6/16$886

Cheapflights Fare Finder

Customize your flight search to find flights from Santiago to Ontario 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 June 18, 2025.
Use the filters below to find and compare flights from Santiago to Ontario that are best for you.

Fly from

Santiago

Fly to

Ontario

Route

Depart

Return

Price

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Tue 8/26

6:10 am-9:55 pm

2 stops18h 45m

Ontario

Tue 9/2

11:25 pm-10:30 pm

2 stops20h 05m

$770

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Tue 9/23

9:40 pm-11:24 am

1 stop17h 44m

Ontario

Tue 10/7

10:59 pm-7:00 am

1 stop28h 01m

$835

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Thu 11/6

10:45 pm-12:33 pm

2 stops18h 48m

Ontario

Thu 11/27

6:00 am-8:50 am

2 stops21h 50m

$838

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Mon 8/11

11:00 am-10:35 am

2 stops26h 35m

Ontario

Tue 9/9

6:05 am-7:00 am

2 stops20h 55m

$841

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Wed 8/6

8:15 pm-9:55 pm

2 stops28h 40m

Ontario

Tue 8/19

11:25 pm-4:01 am

3 stops25h 36m

$886

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Wed 8/27

11:55 pm-9:55 pm

2 stops25h 00m

$398

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Fri 7/4

3:46 pm-9:55 pm

3 stops33h 09m

$514

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Wed 12/10

10:45 pm-9:34 pm

1 stop27h 49m

$600

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Mon 9/22

9:40 pm-7:42 pm

1 stop26h 02m

$602

SantiagoOntario

SCL - ONT

SCLONT

Santiago Arturo Merino Benitez

Thu 8/14

8:40 pm-10:35 am

1 stop16h 55m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 11 results
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Best time to book a flight from Santiago to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Santiago to Ontario (average of $246). Flying from Santiago to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 18, 2025.
To help decide which airline to fly from Santiago to Ontario, see what other customers have to say about Delta, LATAM Airlines and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,787 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Avianca
6.7
Okay
2,350 reviews
Delta
8.0
Very good
7,964 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Santiago to Ontario. 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 Santiago to Ontario round-trip?

    Avianca, at $770, was found to be the cheapest airline from Santiago to Ontario.Alternate airlines to your destination round-trip include LATAM Airlines and United Airlines.

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

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $398. Users have also found prices from $600 and $602 on United Airlines and Delta, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Santiago to Ontario (average of $246). Flying from Santiago to Ontario in March is currently the most expensive (average of $328). 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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