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Cheap flights from Ontario to Singapore from S$ 437

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 14-1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Round-trip from

S$ 877

One-way from

S$ 437

Popular in

December

Cheapest in

August

Average price

S$ 1,643
Korean Air
  • Korean Air
  • 12-1-18-1
  • 4 total stops
  • 55h 10m total
  • Ontario to Singapore
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Delta
  • Delta
  • 14-1
  • 2 total stops
  • 45h 40m total
  • Ontario to Singapore
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Highest demand for flights based on searches. 6% potential increase in price (S$ 134 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (S$ 56 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Singapore

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 12 September 2025.

Wed 10-906:00ONT - SIN
2 stops26h 40mDelta
Wed 17-907:30SIN - ONT
2 stops31h 12mDelta
Deal found 10-9S$ 941
Mon 6-1007:35ONT - SIN
2 stops30h 25mKorean Air
Thu 20-1101:35SIN - ONT
2 stops31h 34mKorean Air
Deal found 10-9S$ 948
Sun 19-1013:15ONT - SIN
2 stops48h 45mDelta
Thu 23-1007:30SIN - ONT
2 stops30h 11mDelta
Deal found 9-9S$ 949
Wed 12-1106:45ONT - SIN
2 stops30h 15mDelta
Wed 3-1210:40SIN - ONT
2 stops28h 07mDelta
Deal found 10-9S$ 953
Thu 13-1106:45ONT - SIN
2 stops25h 25mDelta
Thu 4-1210:40SIN - ONT
2 stops28h 07mDelta
Deal found 10-9S$ 965
Sun 2-1105:00ONT - SIN
1 stop22h 15mUnited Airlines
Tue 18-1110:10SIN - ONT
1 stop18h 27mUnited Airlines
Deal found 10-9S$ 971
Thu 13-1106:45ONT - SIN
2 stops25h 25mDelta
Mon 8-1210:40SIN - ONT
2 stops28h 07mDelta
Deal found 10-9S$ 976
Mon 13-1018:36ONT - SIN
1 stop20h 39mUnited Airlines
Mon 20-1008:45SIN - ONT
1 stop18h 28mUnited Airlines
Deal found 10-9S$ 1,006
Tue 7-1005:05ONT - SIN
2 stops34h 10mUnited Airlines
Tue 14-1020:40SIN - ONT
2 stops35h 43mUnited Airlines
Deal found 11-9S$ 1,011
Sat 11-1009:36ONT - SIN
1 stop41h 49mUnited Airlines
Tue 21-1008:45SIN - ONT
1 stop18h 28mUnited Airlines
Deal found 10-9S$ 1,012
Sat 11-1009:36ONT - SIN
1 stop41h 49mUnited Airlines
Sun 19-1020:40SIN - ONT
1 stop30h 33mUnited Airlines
Deal found 10-9S$ 1,020

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 12 September 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

Tue 13-1

06:45-20:25

2 stops45h 40m

Singapore Changi

Mon 19-1

22:30-22:38

2 stops40h 08m

S$ 877

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 5-12

06:40-05:00

2 stops30h 20m

Singapore Changi

Wed 24-12

01:35-17:08

2 stops31h 33m

S$ 948

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 19-10

18:36-06:15

1 stop20h 39m

Singapore Changi

Mon 27-10

10:10-17:34

1 stop22h 24m

S$ 1,006

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 12-10

20:16-06:15

1 stop18h 59m

Singapore Changi

Fri 17-10

08:45-12:13

1 stop18h 28m

S$ 1,006

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 6-11

06:00-20:15

1 stop22h 15m

Singapore Changi

Tue 11-11

10:10-12:37

1 stop18h 27m

S$ 1,006

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 22-2

10:40-08:00

1 stop29h 20m

Singapore Changi

Thu 26-2

10:10-18:00

1 stop23h 50m

S$ 1,006

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 9-11

06:00-20:15

1 stop22h 15m

Singapore Changi

Thu 20-11

10:10-12:37

1 stop18h 27m

S$ 1,006

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 12-10

20:16-06:15

1 stop18h 59m

Singapore Changi

Tue 21-10

08:45-12:13

1 stop18h 28m

S$ 1,006

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 10-11

18:38-08:00

1 stop21h 22m

Singapore Changi

Wed 19-11

10:10-17:34

1 stop23h 24m

S$ 1,006

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 1-10

09:36-18:25

1 stop41h 49m

Singapore Changi

Wed 8-10

08:45-12:13

1 stop18h 28m

S$ 1,012

Flights are sorted by cheapest return flights first.

Deals found on 11-9

Showing 1-10 of 24 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.

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 20h 39m. 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.

See more FAQs

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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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