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Flights from Ontario to Sydney
There are no direct flights from Ontario to Sydney. The easiest way is one stop via San Francisco or Houston, about 18h 10m door to door.
No direct flights · 4 connection options From 17h 57m Prices checked 14 days ago
Ontario to Sydney at a glance
Cheapest returnUS$1,194Mon 9 Nov – Sun 22 NovFastest journey17h 57mEstimated
Nonstop flightsNoneConnect via San Francisco or Houston
Best ways to fly from Ontario to Sydney
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT San Francisco (SFO) SYD
Leg 1: Frontier Airlines, United Airlines · Leg 2: Qantas, United Airlines
3Search
ONT Honolulu (HNL) SYD
Leg 1: Alaska Airlines, Southwest Airlines · Leg 2: Hawaiian Airlines, Qantas
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 12,122 km7,528 miles
- Journey time
- 17h 57mestimate
- Time difference
- +19hSydney vs Ontario
- Currency in Sydney
- AUD
- Airports
- ONT → SYD
Flights from Ontario to Sydney: questions answered
Are there direct flights from Ontario to Sydney?
No. There is no nonstop service, so you will connect, most easily in San Francisco, Houston and Honolulu. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Ontario to Sydney?
With one connection the journey usually takes around 17h 57m, depending on the layover. The straight-line distance is 12,122 km.
Where do you change planes between Ontario and Sydney?
The best connecting points are San Francisco (SFO), Houston (IAH), Honolulu (HNL) and Dallas (DFW). Frontier Airlines flies both legs via San Francisco, so you can book it as one ticket.
Which airports serve Ontario and Sydney?
Ontario: Ontario International Airport (ONT). Sydney: Sydney Kingsford Smith International Airport (SYD).
What is the time difference between Ontario and Sydney?
Sydney is 19 hours ahead of Ontario.
