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$483+ Cheap flights from Ontario (ONT) to Singapore

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SIN
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
1 adult, Economy
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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 (SG0). 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 December 21, 2024.

Round-trip from

$944
(United Airlines)

One-way from

$483
(Delta)
From Ontario to Singapore
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One-way flight from Ontario to Singapore
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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 December 21, 2024.

This United Airlines deal was found by Cheapflights users on 12/20. 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 12/241:57 pmONT - SIN
1 stop26h 03mUnited Airlines
Sat 12/2810:10 amSIN - ONT
1 stop19h 06mUnited Airlines
Deal found 12/20$1,516
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:00 amONT - SIN
2 stops30h 00mKorean Air
Mon 12/3011:00 amSIN - ONT
2 stops22h 27mKorean Air
Deal found 12/21$1,811
This China Airlines deal was found by Cheapflights users on 12/21. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:45 pmONT - SIN
1 stop33h 55mChina Airlines
Sun 12/292:00 amSIN - ONT
1 stop30h 50mChina Airlines
Deal found 12/21$1,994
This Trip.com deal was found by Cheapflights users on 12/20. 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.
Tue 12/2410:45 pmONT - SIN
1 stop30h 10mMultiple Airlines
Fri 12/272:00 amSIN - ONT
1 stop30h 50mMultiple Airlines
Deal found 12/20$2,123
This oojo deal was found by Cheapflights users on 12/21. 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 12/246:00 amONT - SIN
2 stops26h 50mJapan Airlines
Tue 12/318:15 amSIN - ONT
2 stops24h 54mJapan Airlines
Deal found 12/21$3,637
This oojo deal was found by Cheapflights users on 12/21. 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 12/2510:46 amONT - SIN
2 stops36h 09mQatar Airways
Sun 1/510:15 amSIN - ONT
2 stops47h 58mQatar Airways
Deal found 12/21$4,046
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/243:00 pmONT - SIN
2 stops41h 10mDelta
Sat 1/41:30 amSIN - ONT
2 stops31h 57mDelta
Deal found 12/21$11,204

Find flights from Ontario to Singapore within your budget

Customize 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 2,558,603 searches. Data last updated December 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 1/20

6:15 am-8:15 pm

1 stop22h 00m

Singapore Changi

Mon 1/27

10:10 am-8:29 pm

1 stop26h 19m

$944

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 5/6

12:10 am-12:35 am

1 stop33h 25m

Singapore Changi

Tue 5/13

2:00 am-6:00 pm

1 stop31h 00m

$996

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 2/3

6:00 am-12:10 am

2 stops26h 10m

Singapore Changi

Wed 2/26

11:00 am-10:32 pm

2 stops27h 32m

$1,014

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 5/7

6:00 am-6:40 am

2 stops33h 40m

Singapore Changi

Fri 5/16

6:15 am-2:25 pm

2 stops23h 10m

$1,205

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 4/1

11:33 am-9:00 am

2 stops30h 27m

Singapore Changi

Mon 4/7

2:15 am-6:23 pm

2 stops31h 08m

$1,251

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 1/3

6:07 pm-5:00 am

2 stops42h 53m

Singapore Changi

Sun 1/12

10:30 pm-10:32 pm

2 stops40h 02m

$1,840

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 3/20

11:59 pm-12:50 am

2 stops33h 51m

Singapore Changi

Sun 3/30

8:05 am-9:42 pm

3 stops28h 37m

$4,940

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 3/25

6:00 am-12:50 am

2 stops27h 50m

Singapore Changi

Thu 4/10

8:05 am-6:23 pm

2 stops25h 18m

$5,026

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 2/24

6:00 am-12:50 am

2 stops26h 50m

$499

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 2/12

6:15 am-8:15 pm

1 stop22h 00m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 17 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 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.

Travel insights for flights from Ontario to Singapore

Get recent, data-driven insights about flights from Ontario to Singapore including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Singapore (average of $1,011). Flying from Ontario to Singapore in December is currently the most expensive (average of $1,684). 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.

What is the cheapest time of day to fly from ONT to SG?

Find hourly flight availability from Ontario to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Singapore as you normally would.

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 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

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 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 December 21, 2024.
Read reviews from past customers who have flown Qatar Airways, United Airlines and China Airlines from Ontario to Singapore. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,025 reviews

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.4
Very good
1,025 reviews
Korean Air
8.4
Very good
1,025 reviews

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,025 reviews

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,025 reviews

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Alaska Airlines
8.0
Very good
9,540 reviews
Korean Air
8.4
Very good
1,025 reviews

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,597 reviews
Korean Air
8.4
Very good
1,025 reviews

Crew

8.7

Overall

8.4

Food

8.1

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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

    If you book a flight to Singapore from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

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

    One-way options have recently been found by users for as low as $483 on Delta. Other airlines that offer cheap prices include Japan Airlines from $499 and United Airlines from $519 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 vacation 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.

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

    Currently, September is the cheapest month in which you can book a flight from Ontario to Singapore (average of $1,011). Flying from Ontario to Singapore in December is currently the most expensive (average of $1,684). 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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Top 2 airlines flying from Ontario to Singapore

Discover the top 2 airlines that operate flights from Ontario to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$964Average$1,125FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$976Average$1,354FlexibilityNo cancel feeOn-time69%
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