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Ontario

$555+ Cheap flights from Singapore (SIN) to Ontario (ONT)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Singapore to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Ontario (ONT). 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 June 12, 2025.

Round-trip from

$923
(Gotogate)

One-way from

$555
(Mytrip)

Popular in

July

Cheapest in

April

Average price

$925
From Singapore Changi to Ontario
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One-way flight from Singapore Changi to Ontario
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Highest demand for flights based on searches. 7% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Singapore to Ontario

Cheapest flights from Singapore to Ontario
Explore the most affordable flight options available from Singapore to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/262:00 amSIN - ONT
1 stop31h 00mChina Airlines
Mon 6/3012:45 amONT - SIN
1 stop32h 50mChina Airlines
Deal found 6/11$923
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:45 pmSIN - ONT
1 stop17h 05mSTARLUX Airlines
Wed 12/319:45 pmONT - SIN
1 stop23h 40mSTARLUX Airlines
Deal found 6/10$928
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:45 amSIN - ONT
1 stop26h 48mUnited Airlines
Wed 10/226:36 pmONT - SIN
1 stop20h 39mUnited Airlines
Deal found 6/11$972
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2310:25 amSIN - ONT
2 stops22h 35mMultiple Airlines
Sun 7/612:45 amONT - SIN
2 stops31h 35mMultiple Airlines
Deal found 6/10$1,031
This oojo deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/229:10 pmSIN - ONT
2 stops39h 49mEtihad Airways
Mon 9/2210:56 pmONT - SIN
2 stops43h 44mEtihad Airways
Deal found 6/12$1,522
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/33:10 amSIN - ONT
2 stops30h 44mQatar Airways
Wed 10/226:00 amONT - SIN
2 stops42h 45mQatar Airways
Deal found 6/11$1,695
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:00 amSIN - ONT
2 stops27h 42mDelta
Tue 11/186:43 amONT - SIN
2 stops30h 17mDelta
Deal found 6/10$1,701

Cheapflights Fare Finder

Customize your flight search to find flights from Singapore to Ontario 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Singapore to Ontario that are best for you.

Fly from

Singapore

Fly to

Ontario

Route

Depart

Return

Price

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 6/26

2:00 am-6:00 pm

1 stop31h 00m

Ontario

Mon 6/30

12:45 am-12:35 am

1 stop32h 50m

$923

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Mon 12/1

2:45 pm-3:50 pm

1 stop17h 05m

Ontario

Wed 12/31

9:45 pm-1:25 pm

1 stop23h 40m

$928

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 9/4

8:45 am-8:33 pm

1 stop26h 48m

Ontario

Wed 10/22

6:36 pm-6:15 am

1 stop20h 39m

$972

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Mon 6/23

10:25 am-6:00 pm

2 stops22h 35m

Ontario

Sun 7/6

12:45 am-11:20 pm

2 stops31h 35m

$1,031

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Tue 7/22

9:10 pm-9:59 pm

2 stops39h 49m

Ontario

Mon 9/22

10:56 pm-9:40 am

2 stops43h 44m

$1,522

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Wed 9/3

3:10 am-6:54 pm

2 stops30h 44m

Ontario

Wed 10/22

6:00 am-3:45 pm

2 stops42h 45m

$1,695

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Sun 11/16

11:00 am-10:42 pm

2 stops27h 42m

Ontario

Tue 11/18

6:43 am-5:00 am

2 stops30h 17m

$1,701

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 11/20

2:20 am-11:36 am

2 stops25h 16m

Ontario

Thu 12/4

3:05 pm-6:40 am

2 stops47h 35m

$8,214

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Fri 10/3

1:10 am-5:05 pm

2 stops30h 55m

$555

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Wed 8/20

1:45 pm-6:40 pm

1 stop19h 55m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
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Best time to book a flight from Singapore to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Singapore with our price prediction graph.
Estimated round-trip 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 Singapore to Ontario

What is the cheapest month to book a flight from Singapore to Ontario?

Currently, August is the cheapest month in which you can book a flight from Singapore to Ontario (average of $246). Flying from Singapore to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Singapore to Ontario, such as STARLUX Airlines, EVA Air and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

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
177 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

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.
EVA Air
8.4
Very good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

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
1,088 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

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
738 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

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
7,946 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Crew

9.3

Overall

9.1

Food

8.8

Comfort

9.0

Entertainment

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 Singapore to Ontario. 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 Singapore to Ontario round-trip?

    Our cheapest airline available from Singapore to Ontario is China Airlines. Our recent data shows that you can find tickets from as low as $923 on this airline. Additional options worth looking into are STARLUX Airlines and United Airlines, starting at $928 and $972 round-trip.

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

    The cheapest airlines for a one-way flight from Singapore to Ontario are China Airlines ($590), EVA Air ($644), and STARLUX Airlines ($649).

  • Can I find deals for flights from Singapore to Ontario that include hotel bookings?

    Yes. In addition to deals on Singapore to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Ontario.

  • Can I find deals for business class flights from Singapore to Ontario?

    Yes. Cheapflights offers flight deals from Singapore to Ontario 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 Singapore to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Singapore to Ontario (average of $246). Flying from Singapore to Ontario in March is currently the most expensive (average of $328). 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.

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