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Cheap flights from Ontario to Singapore from S$ 397

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 2-2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Singapore

Enter your travel dates to find the best prices.

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 27 January 2026.

Mon 16-207:30
ONT
-
SIN
2 stops24h 40m
Delta
Wed 11-310:40
SIN
-
ONT
2 stops26h 53m
Delta
Deal found 25-1S$ 825
Wed 4-317:00
ONT
-
SIN
2 stops39h 10m
Delta
Tue 17-322:30
SIN
-
ONT
2 stops39h 04m
Delta
Deal found 24-1S$ 831
Sun 20-907:00
ONT
-
SIN
2 stops25h 40m
Delta
Wed 30-907:30
SIN
-
ONT
2 stops30h 10m
Delta
Deal found 24-1S$ 923
Tue 5-507:00
ONT
-
SIN
2 stops25h 40m
Korean Air
Sun 24-522:30
SIN
-
ONT
2 stops33h 46m
Korean Air
Deal found 25-1S$ 929
Wed 4-317:00
ONT
-
SIN
2 stops39h 10m
Delta
Wed 11-310:40
SIN
-
ONT
2 stops26h 53m
Delta
Deal found 24-1S$ 930
Wed 4-307:30
ONT
-
SIN
2 stops24h 40m
Delta
Mon 27-407:30
SIN
-
ONT
2 stops24h 45m
Delta
Deal found 26-1S$ 986
Mon 30-306:00
ONT
-
SIN
2 stops26h 40m
Korean Air
Thu 9-407:30
SIN
-
ONT
2 stops24h 43m
Korean Air
Deal found 25-1S$ 993
Thu 5-306:00
ONT
-
SIN
2 stops26h 10m
Delta
Mon 16-310:40
SIN
-
ONT
2 stops39h 38m
Delta
Deal found 24-1S$ 995
Wed 4-313:10
ONT
-
SIN
2 stops43h 00m
Delta
Mon 16-310:40
SIN
-
ONT
2 stops39h 38m
Delta
Deal found 24-1S$ 1,001
Sat 7-315:30
ONT
-
SIN
2 stops40h 40m
Delta
Mon 27-407:30
SIN
-
ONT
2 stops30h 07m
Delta
Deal found 26-1S$ 1,010
Mon 2-306:00
ONT
-
SIN
2 stops26h 10m
Multiple Airlines
Mon 9-310:40
SIN
-
ONT
2 stops26h 53m
Multiple Airlines
Deal found 26-1S$ 1,020
Mon 16-306:15
ONT
-
SIN
1 stop23h 00m
United Airlines
Wed 1-409:00
SIN
-
ONT
1 stop18h 14m
United Airlines
Deal found 24-1S$ 1,026

Find 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 27 January 2026.

Round-trip from

S$ 825

One-way from

S$ 397

Popular in

December

Cheapest in

August

Average price

S$ 1,245
Delta
  • Delta
  • 16-2-9-3
  • 4 total stops
  • 51h 33m total
  • Ontario to Singapore
Search Deals
Delta
  • Delta
  • 2-2
  • 2 total stops
  • 24h 40m total
  • Ontario to Singapore
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (S$ 90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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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 27 January 2026.
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

Tue 10-3

06:00-00:10

2 stops27h 10m

Singapore Changi

Tue 17-3

10:40-22:34

2 stops26h 54m

S$ 825

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 6-5

07:00-05:00

2 stops31h 00m

Singapore Changi

Wed 20-5

07:30-23:44

2 stops31h 14m

S$ 923

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 5-3

06:00-00:10

2 stops26h 10m

Singapore Changi

Wed 11-3

10:40-22:33

2 stops26h 53m

S$ 923

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 5-5

07:00-23:40

2 stops25h 40m

Singapore Changi

Thu 21-5

07:30-17:16

2 stops24h 46m

S$ 929

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 5-5

07:00-23:40

2 stops25h 40m

Singapore Changi

Tue 19-5

07:30-17:16

2 stops24h 46m

S$ 929

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 6-5

07:00-23:40

2 stops25h 40m

Singapore Changi

Thu 21-5

07:30-17:16

2 stops24h 46m

S$ 929

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 5-5

07:00-23:40

2 stops25h 40m

Singapore Changi

Mon 18-5

07:30-17:16

2 stops24h 46m

S$ 929

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 4-3

07:30-00:10

2 stops24h 40m

Singapore Changi

Mon 27-4

07:30-17:15

2 stops24h 45m

S$ 986

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 30-3

06:00-23:40

2 stops26h 40m

Singapore Changi

Mon 6-4

22:30-17:13

2 stops33h 43m

S$ 993

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 1-3

15:30-00:10

2 stops40h 40m

Singapore Changi

Mon 27-4

07:30-17:15

2 stops24h 45m

S$ 994

Flights are sorted by cheapest return flights first.

Deals found on 26-1

Showing 1-10 of 23 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, September is the cheapest month in which you can book a flight from Ontario to Singapore (average of S$ 775). Flying from Ontario to Singapore in June is currently the most expensive (average of S$ 979). 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 25h 40m. 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, September is the cheapest month in which you can book a flight from Ontario to Singapore (average of S$ 775). Flying from Ontario to Singapore in June is currently the most expensive (average of S$ 979). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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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