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Cheap flights from Ontario to Singapore from $352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Singapore departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Delta Logo
6:00 am - 5:00 amONT-SIN
32h 00m2 stops
Delta Logo
10:30 pm - 10:40 pmSIN-ONT
39h 10m2 stops
$733Delta
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Sun, Apr 12 - Wed, Apr 15
Delta Logo
6:45 am - 12:10 amONT-SIN
26h 25m2 stops
Delta Logo
1:35 am - 10:38 pmSIN-ONT
36h 03m2 stops
$734Delta
Find Deal
Tue, Mar 10 - Wed, Mar 18
Korean Air Logo
6:45 am - 12:10 amONT-SIN
25h 25m2 stops
Korean Air Logo
1:35 am - 5:09 pmSIN-ONT
31h 34m2 stops
$739Korean Air
Find Deal
Mon, Nov 17 - Sun, Nov 23
Korean Air Logo
6:45 am - 8:25 pmONT-SIN
45h 40m2 stops
Korean Air Logo
10:40 am - 10:47 pmSIN-ONT
52h 07m2 stops
$748Korean Air
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Tue, Nov 18 - Wed, Dec 3
United Airlines Logo
1:40 pm - 8:00 amONT-SIN
26h 20m1 stop
United Airlines Logo
10:10 am - 12:37 pmSIN-ONT
18h 27m1 stop
$783United Airlines
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Mon, Nov 10 - Wed, Nov 19
United Airlines Logo
6:38 pm - 8:00 amONT-SIN
21h 22m1 stop
United Airlines Logo
10:10 am - 5:34 pmSIN-ONT
23h 24m1 stop
$784United Airlines
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Mon, Nov 17 - Mon, Nov 24
Lufthansa Logo
1:40 pm - 8:00 amONT-SIN
26h 20m1 stop
Lufthansa Logo
10:10 am - 5:37 pmSIN-ONT
23h 27m1 stop
$792Lufthansa
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Thu, Nov 27 - Wed, Dec 10
Lufthansa Logo
1:40 pm - 8:00 amONT-SIN
26h 20m1 stop
Lufthansa Logo
10:10 am - 12:17 pmSIN-ONT
18h 07m1 stop
$798Lufthansa
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Thu, Nov 27 - Wed, Dec 10
China Airlines Logo
11:50 pm - 1:05 pmONT-SIN
22h 15m1 stop
China Airlines Logo
2:00 am - 5:50 pmSIN-ONT
30h 50m1 stop
$915China Airlines
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Sat, Mar 14 - Sun, Mar 22
China Airlines Logo
11:50 pm - 12:40 amONT-SIN
33h 50m1 stop
China Airlines Logo
2:25 pm - 5:50 pmSIN-ONT
18h 25m1 stop
$916China Airlines
Find Deal
Fri, Mar 13 - Sun, Mar 22

Korean Air flights from Ontario to Singapore

Our best Korean Air deals on Ontario to Singapore flight tickets
Korean Air
Nov 17
ONT6:45 amOntario
25h 25m
2 stops
SIN12:10 amSingapore Changi
Nov 23
SIN1:35 amSingapore Changi
31h 34m
2 stops
ONT5:09 pmOntario
$739
Find similar
Korean Air
Nov 18
ONT6:45 amOntario
45h 40m
2 stops
SIN8:25 pmSingapore Changi
Dec 3
SIN10:40 amSingapore Changi
52h 07m
2 stops
ONT10:47 pmOntario
$748
Find similar
Korean Air
Dec 7
ONT6:40 amOntario
30h 20m
2 stops
SIN5:00 amSingapore Changi
Dec 23
SIN10:40 amSingapore Changi
46h 28m
2 stops
ONT5:08 pmOntario
$805
Find similar

Lufthansa flights from Ontario to Singapore

Our best Lufthansa deals on Ontario to Singapore flight tickets
Lufthansa
Nov 27
ONT1:40 pmOntario
26h 20m
1 stop
SIN8:00 amSingapore Changi
Dec 10
SIN10:10 amSingapore Changi
23h 27m
1 stop
ONT5:37 pmOntario
$792
Find similar
Lufthansa
Nov 27
ONT1:40 pmOntario
26h 20m
1 stop
SIN8:00 amSingapore Changi
Dec 10
SIN10:10 amSingapore Changi
18h 07m
1 stop
ONT12:17 pmOntario
$798
Find similar
Lufthansa
Nov 27
ONT6:00 amOntario
34h 00m
1 stop
SIN8:00 amSingapore Changi
Dec 10
SIN10:10 amSingapore Changi
23h 27m
1 stop
ONT5:37 pmOntario
$804
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Ontario to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 4/12

6:00 am-5:00 am

2 stops32h 00m

Singapore Changi

Wed 4/15

10:30 pm-10:40 pm

2 stops39h 10m

$733

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 3/10

6:45 am-12:10 am

2 stops26h 25m

Singapore Changi

Wed 3/18

1:35 am-10:38 pm

2 stops36h 03m

$734

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 11/17

6:45 am-12:10 am

2 stops25h 25m

Singapore Changi

Sun 11/23

1:35 am-5:09 pm

2 stops31h 34m

$739

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 11/18

6:45 am-8:25 pm

2 stops45h 40m

Singapore Changi

Wed 12/3

10:40 am-10:47 pm

2 stops52h 07m

$748

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 11/10

1:40 pm-8:00 am

1 stop26h 20m

Singapore Changi

Wed 11/19

10:10 am-12:37 pm

1 stop18h 27m

$783

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 11/17

6:38 pm-8:00 am

1 stop21h 22m

Singapore Changi

Mon 11/24

10:10 am-5:34 pm

1 stop23h 24m

$784

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 11/27

1:40 pm-8:00 am

1 stop26h 20m

Singapore Changi

Wed 12/10

10:10 am-5:37 pm

1 stop23h 27m

$792

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 11/27

1:40 pm-8:00 am

1 stop26h 20m

Singapore Changi

Wed 12/10

10:10 am-12:17 pm

1 stop18h 07m

$798

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 3/14

11:50 pm-1:05 pm

1 stop22h 15m

Singapore Changi

Sun 3/22

2:00 am-5:50 pm

1 stop30h 50m

$915

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 3/13

11:50 pm-12:40 am

1 stop33h 50m

Singapore Changi

Sun 3/22

2:25 pm-5:50 pm

1 stop18h 25m

$916

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

How to get the cheapest flight ticket from Ontario to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Ontario to Singapore is on a Monday when prices can be found for as low as $1,005. The most expensive day to fly to Singapore is Thursday, with ticket prices averaging around $1,340.

What is the cheapest time of day to depart on your flight to Singapore?

In the morning is the cheapest time of day to fly from Ontario to Singapore when you can find flight prices for as low as $1,057. Flying to Singapore in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,371 on average. Flights to Singapore from Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Ontario to Singapore flights?

You could potentially save up to 7% on your flight if you consider stops on a Ontario to Singapore flight.

Cheap Ontario to Singapore flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Singapore

Direct flights

None
There are no direct flights from Ontario to Singapore. There are no popular flight routes from Ontario to Singapore.
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to Singapore?

    Prices for flights from Ontario Airport to Singapore are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Singapore?

  • How old do you have to be to fly from Ontario Airport to Singapore?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Singapore.

  • What documentation or ID do you need to fly to Singapore?

    The necessary travel and health documents for your Singapore trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to Singapore

Compare and see reviews for airlines that fly from Ontario to Singapore with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $796Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
STARLUX AirlinesPriceFrom $887Free CancellationRating
8.9
219 reviews
Search STARLUX Airlines flights
China AirlinesPriceFrom $970Free CancellationRating
8.3
776 reviews
Search China Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Singapore?

It is quick and easy to find Ontario to Singapore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Singapore that suits you.

Can I find flights from Ontario to Singapore with flexible booking policies on momondo?

Flights from Ontario to Singapore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Singapore?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Singapore.

I’m not ready to book a flight from Ontario to Singapore right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Singapore from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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