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Cheap flights from Ontario to Singapore from S$ 467

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 11-8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

S$ 864

One-way from

S$ 467

Popular in

December

Cheapest in

March

Average price

S$ 1,695
Korean Air
  • Korean Air
  • 7-8-20-8
  • 4 total stops
  • 56h 16m total
  • Ontario to Singapore
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Korean Air
  • Korean Air
  • 11-8
  • 2 total stops
  • 26h 40m total
  • Ontario to Singapore
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (S$ 148 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 70 potential savings vs. average return price).
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Average for round-trip flights in June 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 13 June 2025.

Thu 7-806:25ONT - SIN
2 stops31h 35mKorean Air
Wed 20-807:30SIN - ONT
2 stops24h 41mKorean Air
Deal found 12-6S$ 864
Mon 28-706:25ONT - SIN
2 stops26h 15mDelta
Mon 18-807:30SIN - ONT
2 stops30h 12mDelta
Deal found 13-6S$ 951
Wed 3-913:42ONT - SIN
1 stop25h 33mUnited Airlines
Sun 14-908:45SIN - ONT
1 stop18h 28mUnited Airlines
Deal found 13-6S$ 1,004
Tue 11-1106:00ONT - SIN
2 stops26h 55mMultiple Airlines
Wed 19-1106:35SIN - ONT
2 stops22h 02mMultiple Airlines
Deal found 12-6S$ 1,078
Wed 27-800:45ONT - SIN
1 stop32h 50mChina Airlines
Mon 10-1114:15SIN - ONT
1 stop18h 35mChina Airlines
Deal found 12-6S$ 1,221
Mon 18-823:45ONT - SIN
1 stop21h 55mSTARLUX Airlines
Mon 25-814:00SIN - ONT
1 stop18h 40mSTARLUX Airlines
Deal found 11-6S$ 1,252

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 13 June 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 7-8

06:25-05:00

2 stops31h 35m

Singapore Changi

Wed 20-8

07:30-17:11

2 stops24h 41m

S$ 864

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 28-7

06:25-23:40

2 stops26h 15m

Singapore Changi

Mon 18-8

07:30-22:42

2 stops30h 12m

S$ 951

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 3-9

13:42-06:15

1 stop25h 33m

Singapore Changi

Sun 14-9

08:45-12:13

1 stop18h 28m

S$ 1,004

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 11-11

06:00-00:55

2 stops26h 55m

Singapore Changi

Wed 19-11

06:35-12:37

2 stops22h 02m

S$ 1,078

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 27-8

00:45-00:35

1 stop32h 50m

Singapore Changi

Mon 10-11

14:15-16:50

1 stop18h 35m

S$ 1,221

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 18-8

23:45-12:40

1 stop21h 55m

Singapore Changi

Mon 25-8

14:00-17:40

1 stop18h 40m

S$ 1,252

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 11-8

06:00-23:40

2 stops26h 40m

S$ 467

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 21-7

06:00-00:20

2 stops27h 20m

S$ 513

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 15-8

13:19-06:15

1 stop25h 56m

S$ 525

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 28-7

00:59-00:20

2 stops32h 21m

S$ 554

Flights are sorted by cheapest return flights first.

Deals found on 13-6

Showing 1-10 of 14 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 13 June 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
Check prices

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very Good
1,091 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very Good
1,490 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very Good
738 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Delta
8.0
Very Good
7,946 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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$ 864. Other airlines that can offer you cheap pricing are Delta, from S$ 951, and United Airlines, from S$ 1,004. You may be able to fly from Ontario to Singapore for 41% 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 Korean Air, which is currently one of the cheapest options available, starting at S$ 467. Japan Airlines flights start at S$ 513 while deals on United Airlines start at S$ 525 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.
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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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