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Ontario

$483+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — ONT
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$913
(Gotogate)

One-way from

$483
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$939
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. 5% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This Gotogate deal was found by Cheapflights users on 7/30. 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.
vie. 8/221:45 pmSIN - ONT
1 stop19h 55mChina Airlines
jue. 8/2812:45 amONT - SIN
1 stop32h 50mChina Airlines
Deal found 7/30$916
This Mytrip deal was found by Cheapflights users on 7/30. 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.
mié. 9/172:00 amSIN - ONT
2 stops31h 00mMultiple Airlines
mié. 10/112:10 amONT - SIN
2 stops32h 10mMultiple Airlines
Deal found 7/30$954
This United Airlines deal was found by Cheapflights users on 7/28. 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.
jue. 9/258:45 amSIN - ONT
1 stop18h 28mUnited Airlines
jue. 11/276:00 amONT - SIN
1 stop22h 15mUnited Airlines
Deal found 7/28$974
This Gotogate deal was found by Cheapflights users on 7/30. 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.
sáb. 9/132:00 pmSIN - ONT
1 stop18h 05mSTARLUX Airlines
sáb. 9/2011:10 pmONT - SIN
1 stop22h 30mSTARLUX Airlines
Deal found 7/30$1,005

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 julio 30, 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

vie. 8/22

1:45 pm-6:40 pm

1 stop19h 55m

Ontario

jue. 8/28

12:45 am-12:35 am

1 stop32h 50m

$916

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

mié. 9/17

2:00 am-6:00 pm

2 stops31h 00m

Ontario

mié. 10/1

12:10 am-11:20 pm

2 stops32h 10m

$954

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

jue. 9/25

8:45 am-12:13 pm

1 stop18h 28m

Ontario

lun. 11/24

6:38 pm-8:00 am

1 stop21h 22m

$974

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

sáb. 9/13

2:00 pm-5:05 pm

1 stop18h 05m

Ontario

sáb. 9/20

11:10 pm-12:40 pm

1 stop22h 30m

$1,005

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

mar. 8/19

1:15 am-5:40 pm

2 stops31h 25m

$483

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

dom. 10/5

2:00 am-6:00 pm

1 stop31h 00m

$591

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

lun. 9/1

2:00 pm-5:05 pm

1 stop18h 05m

$596

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

sáb. 8/30

1:10 pm-10:44 am

2 stops36h 34m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

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 julio 30, 2025.
Read reviews from past customers who have flown STARLUX Airlines, China Airlines, and United Airlines from Singapore to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
199 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.0

Comfort

8.9

Entertainment

8.9

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
9.0
Wonderful
199 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.0

Comfort

8.9

Entertainment

8.9

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
754 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.0

Comfort

8.9

Entertainment

8.9

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.
United Airlines
7.4
Good
8,896 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.0

Comfort

8.9

Entertainment

8.9

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.
American Airlines
7.2
Good
10,000 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.0

Comfort

8.9

Entertainment

8.9

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 $913 on this airline. Additional options worth looking into are United Airlines and STARLUX Airlines, starting at $974 and $1,005 round-trip.

  • 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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