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Cheap flights from Ontario to Singapore from S$ 657

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 24-4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Round-trip from

S$ 1,177

One-way from

S$ 657

Popular in

December

Cheapest in

March

Average price

S$ 1,193
United Airlines
  • United Airlines
  • 24-4-8-5
  • 2 total stops
  • 38h 44m total
  • Ontario to Singapore
United Airlines
  • United Airlines
  • 24-4
  • 1 total stop
  • 21h 25m total
  • Ontario to Singapore
Highest demand for flights based on searches. 4% potential increase in price (S$ 94 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (S$ 66 potential savings vs. average return price).
Average for round-trip flights in March 2025

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 25 March 2025.

Thu 24-407:05ONT - SIN
1 stop20h 20mUnited Airlines
Thu 8-509:00SIN - ONT
1 stop18h 24mUnited Airlines
Deal found 24-3S$ 1,177
Mon 24-1107:00ONT - SIN
2 stops25h 10mKorean Air
Sun 21-1201:30SIN - ONT
2 stops31h 57mKorean Air
Deal found 24-3S$ 1,267
Sun 7-900:45ONT - SIN
1 stop32h 50mChina Airlines
Wed 8-1013:45SIN - ONT
1 stop19h 15mChina Airlines
Deal found 24-3S$ 1,300
Sat 26-417:30ONT - SIN
2 stops44h 30mDelta
Fri 2-501:10SIN - ONT
2 stops36h 47mDelta
Deal found 24-3S$ 1,441
Wed 30-400:10ONT - SIN
2 stops32h 10mMultiple Airlines
Wed 14-502:00SIN - ONT
2 stops31h 00mMultiple Airlines
Deal found 24-3S$ 1,447
Wed 13-823:45ONT - SIN
1 stop21h 55mSTARLUX Airlines
Fri 22-814:00SIN - ONT
1 stop18h 40mSTARLUX Airlines
Deal found 24-3S$ 1,485
Thu 18-906:00ONT - SIN
2 stops27h 20mJapan Airlines
Tue 30-908:05SIN - ONT
2 stops25h 18mJapan Airlines
Deal found 24-3S$ 1,540
Sun 7-906:00ONT - SIN
2 stops36h 00mQatar Airways
Sun 21-918:45SIN - ONT
2 stops44h 14mQatar Airways
Deal found 25-3S$ 1,676

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 25 March 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

Thu 24-4

07:05-18:25

1 stop20h 20m

Singapore Changi

Thu 8-5

09:00-12:24

1 stop18h 24m

S$ 1,177

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 7-9

00:45-00:35

1 stop32h 50m

Singapore Changi

Wed 8-10

13:45-18:00

1 stop19h 15m

S$ 1,300

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 26-4

17:30-05:00

2 stops44h 30m

Singapore Changi

Fri 2-5

01:10-22:57

2 stops36h 47m

S$ 1,441

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 30-4

00:10-23:20

2 stops32h 10m

Singapore Changi

Wed 14-5

02:00-18:00

2 stops31h 00m

S$ 1,447

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 13-8

23:45-12:40

1 stop21h 55m

Singapore Changi

Fri 22-8

14:00-17:40

1 stop18h 40m

S$ 1,485

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 18-9

06:00-00:20

2 stops27h 20m

Singapore Changi

Tue 30-9

08:05-18:23

2 stops25h 18m

S$ 1,540

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 8-9

06:00-09:00

2 stops36h 00m

Singapore Changi

Tue 7-10

03:10-22:37

2 stops34h 27m

S$ 1,676

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 24-4

06:00-18:25

1 stop21h 25m

S$ 657

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 30-7

06:10-00:20

2 stops27h 10m

S$ 673

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 15-4

00:10-21:15

2 stops30h 05m

S$ 729

Flights are sorted by cheapest return flights first.

Deals found on 25-3

Showing 1-10 of 17 results
1
2

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

Rainfall in Singapore by month

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

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore by month

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

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 25 March 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air and Japan Airlines from Ontario to Singapore to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
8.0
Very Good
STARLUX Airlines
9.1
Wonderful

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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.
  • What are the cheapest airlines flying from Ontario to Singapore round-trip?

    Cheapflights users have booked flights from Ontario to Singapore round-trip from S$ 1,177. Other airlines that can offer you cheap pricing are China Airlines, from S$ 1,300, and Delta, from S$ 1,441. You may be able to fly from Ontario to Singapore for 26% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ontario to Singapore one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at S$ 657. American Airlines flights start at S$ 673 while deals on China Airlines start at S$ 734 one-way.

  • 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

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

Fly with Cheapflights

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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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