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Ontario

$477+ Cheap flights from Singapore 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ONT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This CheapTickets deal was found by Cheapflights users on 12/17. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:00 amSIN - ONT
1 stop30h 50mChina Airlines
Sun 1/2510:50 pmONT - SIN
1 stop22h 15mChina Airlines
Deal found 12/17$978
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:00 amSIN - ONT
1 stop30h 50mChina Airlines
Fri 1/2310:50 pmONT - SIN
1 stop22h 15mChina Airlines
Deal found 12/17$1,045
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sun 12/2810:10 amSIN - ONT
1 stop23h 33mUnited Airlines
Sun 1/116:00 amONT - SIN
1 stop22h 15mUnited Airlines
Deal found 12/15$1,048
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/2010:10 amSIN - ONT
1 stop23h 33mUnited Airlines
Sat 1/241:24 pmONT - SIN
2 stops26h 36mUnited Airlines
Deal found 12/17$1,125
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/2310:10 amSIN - ONT
1 stop23h 33mUnited Airlines
Tue 12/306:39 pmONT - SIN
1 stop21h 21mUnited Airlines
Deal found 12/16$1,189
This oojo deal was found by Cheapflights users on 12/15. 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.
Sat 12/272:00 amSIN - ONT
2 stops47h 50mChina Airlines
Sun 1/1110:50 pmONT - SIN
1 stop22h 15mChina Airlines
Deal found 12/15$1,552
This CheapTickets deal was found by Cheapflights users on 12/16. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:00 amSIN - ONT
1 stop30h 50mChina Airlines
Fri 1/210:50 pmONT - SIN
1 stop22h 15mChina Airlines
Deal found 12/16$1,575
This oojo deal was found by Cheapflights users on 12/15. 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.
Sat 12/273:15 amSIN - ONT
2 stops36h 59mQatar Airways
Sun 1/116:00 amONT - SIN
2 stops40h 55mQatar Airways
Deal found 12/15$1,685
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/2410:10 amSIN - ONT
1 stop24h 00mUnited Airlines
Fri 1/26:00 amONT - SIN
1 stop22h 15mUnited Airlines
Deal found 12/16$1,720
This Qatar Airways deal was found by Cheapflights users on 12/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:15 amSIN - ONT
2 stops31h 10mQatar Airways
Sun 1/2511:53 amONT - SIN
2 stops28h 52mQatar Airways
Deal found 12/17$2,268
This Qatar Airways deal was found by Cheapflights users on 12/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:15 amSIN - ONT
2 stops31h 02mQatar Airways
Sat 1/2411:53 amONT - SIN
2 stops28h 52mQatar Airways
Deal found 12/17$3,118

Find flight deals from Singapore to Ontario

Keep the following information in mind while searching for Singapore to Ontario flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$813
(oojo)

One-way from

$477
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$976
Provider with most accurate pricing for Singapore Changi-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Los Angeles flights.
Search Deals
From Singapore to Ontario
Search Deals
One-way flight from Singapore to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 1/22

2:25 pm-4:50 pm

1 stop18h 25m

Ontario

Mon 1/26

10:50 pm-1:05 pm

1 stop22h 15m

$814

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 2/26

2:25 pm-4:50 pm

1 stop18h 25m

Ontario

Mon 3/2

10:50 pm-1:05 pm

1 stop22h 15m

$853

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Sat 2/28

2:00 am-4:50 pm

1 stop30h 50m

Ontario

Thu 9/10

12:45 am-12:35 pm

1 stop20h 50m

$884

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 1/15

2:25 pm-4:50 pm

1 stop18h 25m

Ontario

Mon 6/29

12:10 am-12:35 am

1 stop33h 25m

$885

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Fri 2/6

2:25 pm-4:50 pm

1 stop18h 25m

Ontario

Sun 2/22

10:50 pm-12:40 am

1 stop33h 50m

$893

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Fri 1/30

2:25 pm-4:50 pm

1 stop18h 25m

Ontario

Fri 2/6

10:50 pm-12:40 am

1 stop33h 50m

$893

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Sat 2/28

2:00 am-4:50 pm

1 stop30h 50m

Ontario

Fri 9/11

12:45 am-12:35 pm

1 stop20h 50m

$923

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 2/26

10:10 am-8:50 pm

2 stops26h 40m

Ontario

Mon 3/2

5:00 am-8:00 am

2 stops35h 00m

$970

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 1/22

10:50 am-3:50 pm

2 stops45h 00m

$477

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Mon 1/19

12:40 am-2:12 pm

3 stops53h 32m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, March is the cheapest month in which you can book a flight from Singapore to Ontario (average of $524). Flying from Singapore to Ontario in January is currently the most expensive (average of $724). 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.

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 airport do you fly into for flights to Ontario from Singapore?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Singapore. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Singapore to Ontario?

    For as low as $814, China Airlines can have you in Ontario from Singapore in 18h 25m. The distance from Singapore to Ontario is about 8791 mi.

  • 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, March is the cheapest month in which you can book a flight from Singapore to Ontario (average of $524). Flying from Singapore to Ontario in January is currently the most expensive (average of $724). 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

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Alternative routes for Singapore to Ontario

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