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Cheap flights from Ontario to Singapore from S$ 620

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 3-8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
28 May — 4 Jun1
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 28 April 2026.

Tue 5-507:00
ONT
-
SIN
2 stops25h 55m
Delta
Thu 14-507:30
SIN
-
ONT
2 stops24h 40m
Delta
Deal found 23-4S$ 1,255
Fri 23-1012:00
ONT
-
SIN
1 stop38h 35m
Singapore Airlines
Sat 7-1109:00
SIN
-
ONT
1 stop21h 47m
Singapore Airlines
Deal found 27-4S$ 1,258
Wed 28-1007:00
ONT
-
SIN
2 stops31h 00m
Korean Air
Sun 1-1122:30
SIN
-
ONT
2 stops34h 47m
Korean Air
Deal found 26-4S$ 1,261
Wed 29-407:00
ONT
-
SIN
2 stops25h 55m
Korean Air
Tue 19-507:30
SIN
-
ONT
2 stops24h 40m
Korean Air
Deal found 23-4S$ 1,263
Sun 11-1007:00
ONT
-
SIN
2 stops31h 00m
Delta
Mon 19-1007:30
SIN
-
ONT
2 stops24h 47m
Delta
Deal found 23-4S$ 1,319
Fri 6-1107:00
ONT
-
SIN
2 stops25h 10m
Korean Air
Mon 30-1122:30
SIN
-
ONT
2 stops34h 47m
Korean Air
Deal found 27-4S$ 1,325
Sat 2-517:59
ONT
-
SIN
2 stops44h 01m
Delta
Mon 18-522:00
SIN
-
ONT
2 stops34h 10m
Delta
Deal found 27-4S$ 1,326
Sat 21-1117:50
ONT
-
SIN
2 stops43h 10m
Delta
Mon 30-1101:35
SIN
-
ONT
2 stops38h 13m
Delta
Deal found 28-4S$ 1,328
Sun 26-418:49
ONT
-
SIN
1 stop32h 46m
Lufthansa
Mon 11-509:00
SIN
-
ONT
1 stop18h 22m
Lufthansa
Deal found 24-4S$ 1,359
Thu 7-506:00
ONT
-
SIN
1 stop21h 35m
United Airlines
Wed 20-509:00
SIN
-
ONT
1 stop23h 52m
United Airlines
Deal found 27-4S$ 1,365
Thu 20-806:00
ONT
-
SIN
1 stop21h 35m
United Airlines
Thu 17-908:45
SIN
-
ONT
1 stop18h 27m
United Airlines
Deal found 23-4S$ 1,366

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 28 April 2026.

Round-trip from

S$ 1,255

One-way from

S$ 620

Popular in

August

Cheapest in

March

Average price

S$ 1,696
Delta
  • Delta
  • 20-8-17-9
  • 4 total stops
  • 58h 09m total
  • Ontario to Singapore
Search Deals
Delta
  • Delta
  • 3-8
  • 2 total stops
  • 32h 00m total
  • Ontario to Singapore
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (S$ 418 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 119 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 28 April 2026.
Use the filters below to find and compare flights from Ontario to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 11-10

07:00-05:00

2 stops31h 00m

Singapore Changi

Tue 20-10

07:30-17:17

2 stops24h 47m

S$ 1,319

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 11-10

07:00-05:00

2 stops31h 00m

Singapore Changi

Wed 21-10

22:00-17:17

2 stops34h 17m

S$ 1,319

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 16-10

06:00-05:00

2 stops32h 00m

Singapore Changi

Sat 24-10

07:30-23:48

2 stops31h 18m

S$ 1,382

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 12-10

07:00-23:55

2 stops25h 55m

Singapore Changi

Thu 22-10

07:30-17:17

2 stops24h 47m

S$ 1,395
Fastest return journey

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 23-8

06:00-18:35

1 stop21h 35m

Singapore Changi

Sun 27-9

08:45-12:12

1 stop18h 27m

S$ 1,492

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 19-5

06:00-18:35

1 stop21h 35m

Singapore Changi

Thu 4-6

08:45-17:56

1 stop24h 11m

S$ 1,823

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 1-8

00:45-00:35

1 stop32h 50m

Singapore Changi

Wed 19-8

11:05-18:40

2 stops22h 35m

S$ 1,882

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 8-9

00:45-00:35

1 stop32h 50m

Singapore Changi

Sun 13-9

12:15-18:40

2 stops21h 25m

S$ 1,882

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 8-5

06:00-18:35

1 stop21h 35m

Singapore Changi

Wed 20-5

09:00-20:36

2 stops26h 36m

S$ 1,893

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 4-8

13:18-06:15

2 stops25h 57m

Singapore Changi

Thu 13-8

08:45-18:11

1 stop24h 26m

S$ 1,938

Flights are sorted by cheapest return flights first.

Deals found on 23-4

Showing 1-10 of 24 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Ontario to Singapore (average of S$ 1,079). Flying from Ontario to Singapore in August is currently the most expensive (average of S$ 2,560). 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.

How much does it cost for a return flight from Ontario to Singapore?

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 31m. 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, March is the cheapest month in which you can book a flight from Ontario to Singapore (average of S$ 1,079). Flying from Ontario to Singapore in August is currently the most expensive (average of S$ 2,560). 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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