$343 Cheap Flights from Ontario (ONT) to Santiago (SCL)

View $343 flight on Sun, Jul 13, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Ontario to Santiago (ONT-SCL)

Prices were available within the past 7 days and start at $343 for one-way flights and $788 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

avianca
Sun, Aug 10 - Sun, Aug 17
ONT
Ontario
SCL
Santiago
$788 Roundtrip, found 2 days ago
$788
Roundtrip
found 2 days ago
Select avianca flight, departing Sun, Aug 10 from Ontario to Santiago, returning Sun, Aug 17, priced at $788 found 2 days ago
avianca
Sun, Aug 10 - Sun, Aug 17
ONT
Ontario
SCL
Santiago
$824 Roundtrip, found 2 days ago
$824
Roundtrip
found 2 days ago
Select avianca flight, departing Sun, Aug 10 from Ontario to Santiago, returning Sun, Aug 17, priced at $824 found 2 days ago
avianca
Sun, Jun 1 - Wed, Aug 6
ONT
Ontario
SCL
Santiago
$842 Roundtrip, found 3 days ago
$842
Roundtrip
found 3 days ago
Select avianca flight, departing Sun, Jun 1 from Ontario to Santiago, returning Wed, Aug 6, priced at $842 found 3 days ago
avianca
Sun, Aug 10 - Sun, Aug 17
ONT
Ontario
SCL
Santiago
$849 Roundtrip, found 2 days ago
$849
Roundtrip
found 2 days ago
Select avianca flight, departing Sun, Aug 10 from Ontario to Santiago, returning Sun, Aug 17, priced at $849 found 2 days ago
Delta
Mon, Aug 11 - Tue, Aug 19
ONT
Ontario
SCL
Santiago
$850 Roundtrip, found 2 days ago
$850
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug 11 from Ontario to Santiago, returning Tue, Aug 19, priced at $850 found 2 days ago
avianca
Thu, Jun 5 - Sat, Jun 14
ONT
Ontario
SCL
Santiago
$854 Roundtrip, found 3 days ago
$854
Roundtrip
found 3 days ago
Select avianca flight, departing Thu, Jun 5 from Ontario to Santiago, returning Sat, Jun 14, priced at $854 found 3 days ago
Delta
Mon, Aug 25 - Mon, Sep 1
ONT
Ontario
SCL
Santiago
$854 Roundtrip, found 1 hour ago
$854
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Aug 25 from Ontario to Santiago, returning Mon, Sep 1, priced at $854 found 1 hour ago
avianca
Sun, Jun 1 - Wed, Aug 6
ONT
Ontario
SCL
Santiago
$859 Roundtrip, found 3 days ago
$859
Roundtrip
found 3 days ago
Select avianca flight, departing Sun, Jun 1 from Ontario to Santiago, returning Wed, Aug 6, priced at $859 found 3 days ago
American Airlines
Mon, Aug 25 - Mon, Sep 1
ONT
Ontario
SCL
Santiago
$879 Roundtrip, found 1 hour ago
$879
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Aug 25 from Ontario to Santiago, returning Mon, Sep 1, priced at $879 found 1 hour ago
United
Mon, Aug 25 - Mon, Sep 1
ONT
Ontario
SCL
Santiago
$896 Roundtrip, found 1 hour ago
$896
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Aug 25 from Ontario to Santiago, returning Mon, Sep 1, priced at $896 found 1 hour ago

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Arturo Merino Benitez Airport (SCL) cost?
Discover the latest flight deals from ONT to SCL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ONT to SCL?
The cheapest flights from ONT to SCL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Arturo Merino Benitez Airport (SCL)?
There aren’t any direct flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Arturo Merino Benitez Airport (SCL). However, you can find other airports with nonstop flights. Board your plane at Los Angeles Intl. Airport (LAX) and fly straight to Santiago without any detours.
What is the cheapest airline that flies from ONT to SCL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ONT to SCL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Arturo Merino Benitez Airport (SCL)?
You’ll need to catch a flight with a layover if you’re traveling from Los Angeles - Ontario Intl. Airport (ONT) to Arturo Merino Benitez Airport (SCL). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ONT to SCL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Arturo Merino Benitez Airport (SCL)?
To reach Arturo Merino Benitez Airport (SCL) on schedule, pick a flight that takes off from Los Angeles - Ontario Intl. Airport (ONT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Arturo Merino Benitez Airport (SCL) last-minute?
Last-minute bookings from ONT to SCL are usually more expensive. To secure the best prices, start searching for flights ahead of time. That being said, if you’re flexible with your travel plans, it’s possible to land a cheap fare right before your journey.
Is it cheaper to book an ONT to SCL flight and hotel package?
You’ll typically save money by booking an ONT to SCL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. Once you’ve selected your preferred accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Arturo Merino Benitez Airport (SCL)?
In most instances, you can cancel or reschedule your ONT to SCL flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you’d like further information, go to our Customer Service portal.
*Available to One Key members.