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Cheap flights from Ontario to Singapore from S$ 456

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 25-11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Ontario to Singapore
Explore the most affordable flight options available from Ontario to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Mon 17-1106:45ONT - SIN
2 stops25h 25mKorean Air
Tue 25-1122:30SIN - ONT
2 stops34h 39mKorean Air
Deal found 28-10S$ 957
Thu 4-1206:40ONT - SIN
2 stops30h 20mKorean Air
Thu 25-1222:30SIN - ONT
2 stops34h 38mKorean Air
Deal found 26-10S$ 968
Sun 2-1123:59ONT - SIN
2 stops32h 51mAmerican Airlines
Mon 10-1108:15SIN - ONT
2 stops26h 06mAmerican Airlines
Deal found 27-10S$ 983
Sun 2-1118:38ONT - SIN
1 stop21h 22mUnited Airlines
Thu 13-1110:10SIN - ONT
1 stop23h 24mUnited Airlines
Deal found 27-10S$ 1,014
Mon 17-1106:00ONT - SIN
1 stop22h 15mUnited Airlines
Tue 25-1110:10SIN - ONT
1 stop23h 24mUnited Airlines
Deal found 28-10S$ 1,015
Sun 16-1105:05ONT - SIN
2 stops34h 55mUnited Airlines
Mon 24-1110:10SIN - ONT
1 stop18h 27mUnited Airlines
Deal found 28-10S$ 1,020
Mon 17-1118:38ONT - SIN
1 stop21h 22mUnited Airlines
Wed 26-1110:10SIN - ONT
1 stop28h 41mUnited Airlines
Deal found 28-10S$ 1,021
Thu 27-1113:40ONT - SIN
1 stop26h 20mLufthansa
Wed 10-1210:10SIN - ONT
1 stop23h 27mLufthansa
Deal found 28-10S$ 1,025
Sun 7-1206:40ONT - SIN
2 stops30h 20mKorean Air
Tue 23-1210:40SIN - ONT
2 stops46h 28mKorean Air
Deal found 27-10S$ 1,042
Thu 4-1206:40ONT - SIN
2 stops30h 20mKorean Air
Fri 26-1201:35SIN - ONT
2 stops31h 33mKorean Air
Deal found 26-10S$ 1,045

Cheap flight deals from Ontario to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 October 2025.

Round-trip from

S$ 949

One-way from

S$ 456

Popular in

December

Cheapest in

August

Average price

S$ 1,450
Delta
  • Delta
  • 18-2-17-3
  • 4 total stops
  • 57h 13m total
  • Ontario to Singapore
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Korean Air
  • Korean Air
  • 25-11
  • 2 total stops
  • 25h 25m total
  • Ontario to Singapore
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (S$ 141 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 61 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from Ontario to Singapore that are best for you.

Fly from

Ontario

Fly to

Singapore

Route

Depart

Return

Price

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 12-4

06:45-05:00

2 stops31h 15m

Singapore Changi

Wed 15-4

07:30-22:40

2 stops30h 10m

S$ 949

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 18-2

06:45-05:00

2 stops30h 15m

Singapore Changi

Sun 15-3

01:35-22:38

2 stops36h 03m

S$ 957

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 12-4

06:45-23:40

2 stops25h 55m

Singapore Changi

Tue 14-4

01:10-22:40

2 stops36h 30m

S$ 957

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 4-12

06:40-05:00

2 stops30h 20m

Singapore Changi

Mon 22-12

01:35-17:08

2 stops31h 33m

S$ 968

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 4-12

06:40-05:00

2 stops30h 20m

Singapore Changi

Thu 25-12

22:30-17:08

2 stops34h 38m

S$ 968

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 28-1

13:53-08:00

1 stop26h 07m

Singapore Changi

Mon 9-2

10:10-17:43

1 stop23h 33m

S$ 1,014

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 19-1

13:53-08:00

1 stop26h 07m

Singapore Changi

Tue 27-1

10:10-17:43

1 stop23h 33m

S$ 1,014

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 17-1

06:00-20:15

1 stop22h 15m

Singapore Changi

Tue 27-1

10:10-17:43

1 stop23h 33m

S$ 1,014

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 3-2

13:53-08:00

1 stop26h 07m

Singapore Changi

Thu 19-2

10:10-17:41

1 stop23h 31m

S$ 1,015

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 19-2

18:37-08:00

1 stop21h 23m

Singapore Changi

Fri 6-3

10:10-12:17

1 stop18h 07m

S$ 1,015

Flights are sorted by cheapest return flights first.

Deals found on 26-10

Showing 1-10 of 20 results
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Best time to book a flight from Ontario to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from 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 from Ontario to Singapore

What is the cheapest month to book a flight from Ontario to Singapore?

Currently, February is the cheapest month in which you can book a flight from Ontario to Singapore (average of S$ 753). Flying from Ontario to Singapore in December is currently the most expensive (average of S$ 1,002). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Singapore?

    Departing from Ontario to Singapore will take you 30h 15m. There are 14148 km between Ontario and Singapore. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Singapore that include hotel bookings?

    Yes. In addition to deals on Ontario to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Singapore.

  • Can I find deals for business class flights from Ontario to Singapore?

    Yes. Cheapflights offers flight deals from Ontario to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Singapore?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Singapore (average of S$ 753). Flying from Ontario to Singapore in December is currently the most expensive (average of S$ 1,002). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Singapore

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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 from Ontario to Singapore?

When you search for this flight from Ontario to Singapore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Singapore.

Can Cheapflights find flights from Ontario to Singapore with no change fees?

Certainly. Search results for flights to Singapore from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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