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Cheap flights from Ontario to Singapore from S$ 463

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 22-7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
25 Jun — 2 Jul1
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 20 June 2025.

Round-trip from

S$ 861

One-way from

S$ 463

Popular in

December

Cheapest in

March

Average price

S$ 1,704
Korean Air
  • Korean Air
  • 7-8-20-8
  • 4 total stops
  • 56h 27m total
  • Ontario to Singapore
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Korean Air
  • Korean Air
  • 22-7
  • 2 total stops
  • 46h 30m total
  • Ontario to Singapore
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (S$ 150 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 69 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 20 June 2025.

Thu 7-806:25ONT - SIN
2 stops26h 15mKorean Air
Wed 20-807:30SIN - ONT
2 stops30h 12mKorean Air
Deal found 19-6S$ 861
Tue 11-1106:43ONT - SIN
2 stops25h 27mDelta
Thu 20-1111:00SIN - ONT
2 stops22h 17mDelta
Deal found 19-6S$ 945
Sun 16-1118:38ONT - SIN
1 stop21h 22mUnited Airlines
Thu 27-1110:10SIN - ONT
1 stop18h 27mUnited Airlines
Deal found 18-6S$ 995
Sun 10-818:39ONT - SIN
1 stop20h 36mLufthansa
Sat 23-808:45SIN - ONT
1 stop18h 28mLufthansa
Deal found 19-6S$ 1,049
Wed 13-823:45ONT - SIN
1 stop21h 55mSTARLUX Airlines
Sat 23-814:00SIN - ONT
1 stop18h 40mSTARLUX Airlines
Deal found 20-6S$ 1,197
Sat 2-806:25ONT - SIN
2 stops31h 35mMultiple Airlines
Sat 9-807:30SIN - ONT
2 stops24h 46mMultiple Airlines
Deal found 17-6S$ 1,268
Fri 1-800:45ONT - SIN
1 stop20h 50mChina Airlines
Fri 17-1002:00SIN - ONT
1 stop31h 00mChina Airlines
Deal found 20-6S$ 1,322

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 20 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

06:25-23:40

2 stops26h 15m

Singapore Changi

Wed 20-8

07:30-22:42

2 stops30h 12m

S$ 861

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 11-11

06:43-00:10

2 stops25h 27m

Singapore Changi

Thu 20-11

11:00-17:17

2 stops22h 17m

S$ 945

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 16-11

18:38-08:00

1 stop21h 22m

Singapore Changi

Thu 27-11

10:10-12:37

1 stop18h 27m

S$ 995

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 10-8

18:39-06:15

1 stop20h 36m

Singapore Changi

Sat 23-8

08:45-12:13

1 stop18h 28m

S$ 1,049

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 13-8

23:45-12:40

1 stop21h 55m

Singapore Changi

Wed 20-8

14:00-17:40

1 stop18h 40m

S$ 1,197

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 2-8

06:25-05:00

2 stops31h 35m

Singapore Changi

Sat 9-8

07:30-17:16

2 stops24h 46m

S$ 1,268

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 3-8

00:45-12:35

1 stop20h 50m

Singapore Changi

Sat 23-8

02:00-18:40

1 stop31h 40m

S$ 1,322

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 22-7

06:25-19:55

2 stops46h 30m

S$ 463

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 6-10

06:45-05:00

2 stops31h 15m

S$ 515

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 19-9

05:10-06:15

2 stops34h 05m

S$ 528

Flights are sorted by cheapest return flights first.

Deals found on 19-6

Showing 1-10 of 15 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 20 June 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air and China 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

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

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

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

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
1,090 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

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
744 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

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
7,966 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

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.
Qatar Airways
7.4
Good
3,597 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Boarding

9.0

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$ 861. Other airlines that can offer you cheap pricing are Delta, from S$ 945, and United Airlines, from S$ 995. 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$ 463. Delta flights start at S$ 515 while deals on United Airlines start at S$ 528 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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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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