Cheap flights from Sydney to Ontario

One-way fares from $675 · SYD → ONT · prices found by travellers in the last 48 hours

Cheapest fare
$675

United Airlines · Mon, 23 Nov

Cheapest month
November

from $675

Direct flights
Not recently

Usually 1+ stop

Quickest trip
14h 58m

12,120 km

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Cheapest month to fly from Sydney to Ontario

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

  1. November 2026 Cheapest $675
  2. December 2026 $709
  3. January 2027 $713
  4. March 2027 $705
  5. April 2027 $714
  6. July 2027 $813

Plan the rest of your trip to Ontario

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

About flights from Sydney to Ontario

Sydney (SYD) and Ontario (ONT) are about 12,120 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 14h 58m. Over the next few months, one-way fares start from $675, and November 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 Sydney to Ontario?

The cheapest one-way fare we've seen recently is $675 with United Airlines, departing Monday 23 November 2026. Over the coming months, the lowest fare in each month ranges from $675 to $813.

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

November 2026 currently has the lowest fares, from $675 one way.

Are there direct flights from Sydney to Ontario?

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

How long is the flight from Sydney to Ontario?

The quickest journey we've seen takes about 14h 58m. Sydney and Ontario are around 12,120 km apart.

Which airlines fly from Sydney to Ontario?

Recent fares on this route were with United Airlines.

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