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Flights from Ontario to Singapore
There are no direct flights from Ontario to Singapore. The fastest way is one stop via Taipei or San Francisco, about 21h 39m door to door (1 connection a week on current schedules).
No direct flights · 4 connection options From 20h 13m
Ontario to Singapore at a glance
Fastest journey20h 13mVia Taipei, on current schedules
Nonstop flightsNoneConnect via Taipei or San Francisco
Best ways to fly from Ontario to Singapore
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Taipei (TPE) SIN
Leg 1: China Airlines, Starlux Airlines · Leg 2: China Airlines, EVA Air, Scoot
Sat23:45 ONT04:22 TPE3h 53m connection08:15 TPE12:24 SINStarlux Airlines + China Airlines
2Search
ONT San Francisco (SFO) SIN
Leg 1: Frontier Airlines, United Airlines · Leg 2: Singapore Airlines, United Airlines
3Search
ONT Seattle (SEA) SIN
Leg 1: Alaska Airlines, Frontier Airlines, SkyWest · Leg 2: Singapore Airlines
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
- 14,168 km8,798 miles
- Journey time
- 20h 13mon current schedules
- Time difference
- +16hSingapore vs Ontario
- Currency in Singapore
- SGD
- Airports
- ONT → SIN, XSP
Flights from Ontario to Singapore: questions answered
Are there direct flights from Ontario to Singapore?
No. There is no nonstop service, so you will connect, most easily in Taipei, San Francisco and Seattle. 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 Singapore?
With one connection the journey usually takes around 20h 13m, depending on the layover. The straight-line distance is 14,168 km.
Where do you change planes between Ontario and Singapore?
The best connecting points are Taipei (TPE), San Francisco (SFO), Seattle (SEA) and New York (JFK). China Airlines flies both legs via Taipei, so you can book it as one ticket.
Which airports serve Ontario and Singapore?
Ontario: Ontario International Airport (ONT). Singapore: Singapore Changi Airport (SIN) and Seletar Airport (XSP).
What is the time difference between Ontario and Singapore?
Singapore is 16 hours ahead of Ontario.





