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S$ 726+ Cheap flights to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11-11. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
8 Jul — 15 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 8 June 2026.

Sun 1-1114:25
SIN
-
ONT
1 stop18h 25m
China Airlines
Sun 15-1122:50
ONT
-
SIN
1 stop22h 15m
China Airlines
Deal found 7-6S$ 1,159
Thu 24-913:45
SIN
-
ONT
1 stop19h 15m
China Airlines
Fri 25-900:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 3-6S$ 1,189
Mon 7-914:00
SIN
-
ONT
1 stop18h 05m
STARLUX Airlines
Wed 9-923:30
ONT
-
SIN
1 stop22h 10m
STARLUX Airlines
Deal found 4-6S$ 1,221
Wed 12-813:45
SIN
-
ONT
1 stop19h 55m
China Airlines
Tue 25-800:45
ONT
-
SIN
1 stop20h 50m
China Airlines
Deal found 5-6S$ 1,234
Sun 16-813:45
SIN
-
ONT
1 stop19h 55m
China Airlines
Sat 22-800:45
ONT
-
SIN
1 stop20h 50m
China Airlines
Deal found 4-6S$ 1,237
Sun 21-613:45
SIN
-
ONT
1 stop19h 15m
China Airlines
Fri 26-600:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 6-6S$ 1,239
Sun 21-613:45
SIN
-
ONT
1 stop19h 15m
China Airlines
Mon 22-600:10
ONT
-
SIN
1 stop33h 25m
China Airlines
Deal found 3-6S$ 1,241
Tue 23-613:45
SIN
-
ONT
1 stop19h 15m
China Airlines
Tue 7-700:45
ONT
-
SIN
1 stop20h 50m
China Airlines
Deal found 7-6S$ 1,251
Sat 22-813:45
SIN
-
ONT
1 stop19h 55m
China Airlines
Sun 20-900:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 6-6S$ 1,254
Wed 14-1013:45
SIN
-
ONT
1 stop19h 15m
China Airlines
Sat 17-1000:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 3-6S$ 1,255
Tue 16-613:45
SIN
-
ONT
1 stop19h 15m
China Airlines
Sat 27-600:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 6-6S$ 1,259

Find flight deals to Ontario

Find the latest flights to Ontario in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 8 June 2026.

Return from

S$ 930

One-way from

S$ 730

Popular in

January

Cheapest in

February

Average price

S$ 1,211
United Airlines
  • United Airlines
  • 6-7-20-7
  • 2 total stops
  • 41h 45m total
  • Singapore to Los Angeles
Search Deals
China Airlines
  • China Airlines
  • 29-8
  • 1 total stop
  • 19h 55m total
  • Singapore to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (S$ 8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 12 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
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Cheapflights Fare Finder

 
Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 8 June 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Tue 11-8

02:00-18:40

1 stop31h 40m

Ontario

Tue 25-8

00:45-12:35

1 stop20h 50m

S$ 1,260
Fastest return journey

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Fri 17-7

14:00-17:40

1 stop18h 40m

Ontario

Mon 17-8

23:55-12:40

1 stop21h 45m

S$ 1,324

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 22-10

08:45-22:59

1 stop29h 14m

Ontario

Mon 26-10

05:00-20:15

2 stops48h 15m

S$ 1,350

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Fri 19-6

13:45-18:00

1 stop19h 15m

Ontario

Sun 28-6

00:10-12:35

1 stop21h 25m

S$ 1,386

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Fri 19-6

14:00-17:05

1 stop18h 05m

Ontario

Mon 22-6

23:10-12:40

1 stop22h 30m

S$ 1,392

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Wed 12-8

08:45-20:01

1 stop26h 16m

Ontario

Wed 26-8

13:18-06:15

2 stops25h 57m

S$ 1,457

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Tue 21-7

08:45-15:29

1 stop21h 44m

Ontario

Tue 25-8

06:00-18:35

1 stop21h 35m

S$ 1,461

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Mon 13-7

08:45-20:42

2 stops26h 57m

Ontario

Tue 18-8

09:01-06:15

1 stop30h 14m

S$ 1,465

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Sun 26-7

02:00-18:40

1 stop31h 40m

Ontario

Fri 28-8

00:45-00:35

1 stop32h 50m

S$ 1,492

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 16-7

20:35-20:42

2 stops39h 07m

Ontario

Fri 14-8

19:13-06:15

1 stop20h 02m

S$ 1,521

Flights are sorted by cheapest return flights first.

Deals found on 7-6

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Ontario

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

How long is the flight to Ontario?

On average, a flight from Singapore to Ontario takes 17 hours 45 minutes. Flights to Ontario from other popular cities in Singapore will vary in length. Below are a few examples of popular routes and their flight times.

FAQs about flying to Ontario

  • What airport do you fly into for flights to Ontario?

    If you book a flight to Ontario, you will be flying into Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario.

  • Can I find cheaper flights to Ontario if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the cheapest airport to fly to in Ontario?

    Ontario is currently the cheapest airport to fly to in Ontario. One-way flights to Ontario typically cost S$ 57, while return flights cost around S$ 410.

  • Does Ontario have rental cars?

    Yes. Those touching down at Ontario can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ontario?

    Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Search flights to Ontario by cabin class

Find flights to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class flights to Ontario
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Ontario?

Deals for Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario.

Can Cheapflights find flights to Ontario with no change fees?

Need flexible booking options for your flight to Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Ontario today and book when you’re ready!

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