Flights from Ontario to Sydney (ONT → SYD)

ONT
Ontario
Ontario International Airport, USA
SYD
Sydney
Kingsford Smith International Airport, Australia
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No direct flights found. Here are the 6 fastest 1-stop options.
viaHonolulu(HNL)
ONT→HNL+1h 30mHNL→SYD
16h 2m
viaSan Francisco(SFO)
ONT→SFO+1h 30mSFO→SYD
16h 14m
viaLas Vegas(LAS)
ONT→LAS+1h 30mLAS→SYD
16h 30m
viaDallas(DFW)
ONT→DFW+1h 30mDFW→SYD
20h
viaHouston(IAH)
ONT→IAH+1h 30mIAH→SYD
20h 18m
viaTaipei(TPE)
ONT→TPE+1h 30mTPE→SYD
22h 59m
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Ontario to Sydney? Currently, there are no direct flights from ONT to SYD. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Ontario → Sydney.

Cheap flights from Ontario to Sydney Cheapest month to fly to Sydney Flights from USA Flights to Australia Visa-free with USA passport All airports in Australia

Try a nearby airport to Ontario

Flights to Sydney (SYD) from other airports within 350 km of Ontario. Often unlocks cheaper fares or better times.

SNA → SYD 48 km from ONT Santa Ana → Sydney USA · 48 destinations LGB → SYD 57 km from ONT Long Beach → Sydney USA · 18 destinations BUR → SYD 71 km from ONT Burbank → Sydney USA · 31 destinations LAX → SYD 75 km from ONT Los Angeles → Sydney USA · 181 destinations VNY → SYD 84 km from ONT Los Angeles → Sydney USA · 9 destinations

Or try a nearby airport to Sydney

Flights from Ontario (ONT) to other airports within 350 km of Sydney.

ONT → NTL 140 km from SYD Ontario → Newcastle Australia · 9 destinations ONT → OAG 200 km from SYD Ontario → Orange Australia · 5 destinations ONT → CBR 238 km from SYD Ontario → Canberra Australia · 12 destinations ONT → DBO 309 km from SYD Ontario → Dubbo Australia · 7 destinations

Other flights from Ontario (ONT)

Atlanta (ATL) Austin (AUS) Baltimore (BWI) Boise (BOI) Charlotte (CLT) Chicago (MDW) Chicago (ORD) Dallas (DAL) All 31 destinations →

Other flights from Sydney (SYD)

Abu Dhabi (AUH) Adelaide (ADL) Albury (ABX) Alice Springs (ASP) Armidale (ARM) Auckland (AKL) Avalon (AVV) Ayers Rock (AYQ) All 102 destinations →