Cheap flights from Santiago to Ontario

One-way fares from $539 · STI → ONT · prices found by travellers in the last 48 hours

Compare all dates Ontario → Santiago
Cheapest fare
$539

United Airlines · Sun, Dec 13

Cheapest month
December

from $539

Direct flights
Not recently

Usually 1+ stop

Quickest trip
11h 00m

4,900 km

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Cheapest month to fly from Santiago to Ontario

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $663
  2. December 2026 Cheapest $539

Plan the rest of your trip to Ontario

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in OntarioCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in OntarioTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in OntarioPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in OntarioCompare rental cars from major brands on EconomyBookings Compare cars →

Stay connected

eSIM for United StatesMobile data from the moment you land, by Airalo Get eSIM →

About flights from Santiago to Ontario

Santiago (STI) and Ontario (ONT) are about 4,900 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 11h 00m. Over the next few months, one-way fares start from $539, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Santiago to Ontario?

The cheapest one-way fare we've seen recently is $539 with United Airlines, departing Sunday, December 13, 2026. Over the coming months, the lowest fare in each month ranges from $539 to $663.

What is the cheapest month to fly from Santiago to Ontario?

December 2026 currently has the lowest fares, from $539 one way.

Are there direct flights from Santiago to Ontario?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Santiago to Ontario?

The quickest journey we've seen takes about 11h 00m. Santiago and Ontario are around 4,900 km apart.

Which airlines fly from Santiago to Ontario?

Recent fares on this route were with United Airlines.

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