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Cheap flights from Ontario to Singapore from $412

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 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:20 am - 7:15 pm
ONT
-
SIN
45h 55m
2 stops
Delta Logo
10:00 pm - 11:34 pm
SIN
-
ONT
40h 34m
2 stops
$835Delta
Sun, Aug 9 - Wed, Aug 26
Delta Logo
12:55 pm - 7:15 pm
ONT
-
SIN
63h 20m
2 stops
Delta Logo
10:00 pm - 10:23 pm
SIN
-
ONT
39h 23m
2 stops
$840Delta
Sat, Aug 15 - Tue, Sep 1
United Airlines Logo
6:39 pm - 6:15 am
ONT
-
SIN
20h 36m
1 stop
United Airlines Logo
8:45 am - 6:16 pm
SIN
-
ONT
24h 31m
1 stop
$873United Airlines
Sun, Aug 9 - Wed, Aug 26
United Airlines Logo
5:00 am - 6:15 am
ONT
-
SIN
34h 15m
2 stops
United Airlines Logo
8:45 am - 6:11 pm
SIN
-
ONT
24h 26m
1 stop
$878United Airlines
Sun, Aug 9 - Thu, Aug 27
United Airlines Logo
1:56 pm - 6:35 pm
ONT
-
SIN
37h 39m
1 stop
United Airlines Logo
8:45 am - 6:16 pm
SIN
-
ONT
24h 31m
1 stop
$879United Airlines
Sat, Aug 15 - Wed, Aug 26
United Airlines Logo
6:00 am - 6:40 am
ONT
-
SIN
33h 40m
2 stops
United Airlines Logo
8:45 am - 6:11 pm
SIN
-
ONT
24h 26m
1 stop
$883United Airlines
Thu, Aug 20 - Thu, Sep 17
United Airlines Logo
1:50 pm - 6:15 am
ONT
-
SIN
25h 25m
1 stop
United Airlines Logo
11:05 am - 6:16 pm
SIN
-
ONT
46h 11m
2 stops
$884United Airlines
Wed, Aug 5 - Tue, Aug 25
United Airlines Logo
7:13 pm - 6:15 am
ONT
-
SIN
20h 02m
1 stop
United Airlines Logo
6:15 am - 6:11 pm
SIN
-
ONT
26h 56m
2 stops
$885United Airlines
Thu, Aug 13 - Thu, Aug 27
United Airlines Logo
5:00 am - 12:45 am
ONT
-
SIN
28h 45m
2 stops
United Airlines Logo
8:45 am - 6:16 pm
SIN
-
ONT
24h 31m
1 stop
$886United Airlines
Tue, Aug 4 - Wed, Aug 26
United Airlines Logo
8:00 am - 6:40 am
ONT
-
SIN
55h 40m
2 stops
United Airlines Logo
8:45 am - 8:01 pm
SIN
-
ONT
26h 16m
1 stop
$888United Airlines
Sat, Aug 15 - Thu, Aug 27

Delta flights from Ontario to Singapore

Our best Delta deals on Ontario to Singapore flight tickets
Delta
Aug 9
ONT6:20 amOntario
45h 55m
2 stops
SIN7:15 pmSingapore Changi
Aug 26
SIN10:00 pmSingapore Changi
40h 34m
2 stops
ONT11:34 pmOntario
$835
Delta
Jul 31
ONT6:20 amOntario
26h 35m
2 stops
SIN11:55 pmSingapore Changi
Dec 6
SIN1:35 amSingapore Changi
30h 37m
2 stops
ONT4:12 pmOntario
$885
Delta
Jul 31
ONT6:20 amOntario
26h 35m
2 stops
SIN11:55 pmSingapore Changi
Dec 10
SIN1:35 amSingapore Changi
30h 37m
2 stops
ONT4:12 pmOntario
$935

United Airlines flights from Ontario to Singapore

Our best United Airlines deals on Ontario to Singapore flight tickets
United Airlines
Aug 9
ONT6:39 pmOntario
20h 36m
1 stop
SIN6:15 amSingapore Changi
Aug 30
SIN8:45 amSingapore Changi
29h 14m
1 stop
ONT10:59 pmOntario
$873
United Airlines
Aug 9
ONT5:00 amOntario
34h 15m
2 stops
SIN6:15 amSingapore Changi
Aug 25
SIN8:45 amSingapore Changi
24h 26m
1 stop
ONT6:11 pmOntario
$878
United Airlines
Aug 15
ONT11:00 amOntario
40h 35m
1 stop
SIN6:35 pmSingapore Changi
Sep 1
SIN8:45 amSingapore Changi
26h 16m
1 stop
ONT8:01 pmOntario
$879

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 June 2, 2026.
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

Cheapest round-trip

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 8/9

6:20 am-7:15 pm

2 stops45h 55m

Singapore Changi

Wed 8/26

10:00 pm-11:34 pm

2 stops40h 34m

$835

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 8/15

12:55 pm-7:15 pm

2 stops63h 20m

Singapore Changi

Tue 9/1

10:00 pm-10:23 pm

2 stops39h 23m

$840
Quickest round-trip

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 8/9

6:39 pm-6:15 am

1 stop20h 36m

Singapore Changi

Wed 8/26

8:45 am-6:16 pm

1 stop24h 31m

$873

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 8/9

5:00 am-6:15 am

2 stops34h 15m

Singapore Changi

Thu 8/27

8:45 am-6:11 pm

1 stop24h 26m

$878

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 8/15

1:56 pm-6:35 pm

1 stop37h 39m

Singapore Changi

Wed 8/26

8:45 am-6:16 pm

1 stop24h 31m

$879

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 8/20

6:00 am-6:40 am

2 stops33h 40m

Singapore Changi

Thu 9/17

8:45 am-6:11 pm

1 stop24h 26m

$883

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 8/5

1:50 pm-6:15 am

1 stop25h 25m

Singapore Changi

Tue 8/25

11:05 am-6:16 pm

2 stops46h 11m

$884

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 8/13

7:13 pm-6:15 am

1 stop20h 02m

Singapore Changi

Thu 8/27

6:15 am-6:11 pm

2 stops26h 56m

$885

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 8/4

5:00 am-12:45 am

2 stops28h 45m

Singapore Changi

Wed 8/26

8:45 am-6:16 pm

1 stop24h 31m

$886

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 8/15

8:00 am-6:40 am

2 stops55h 40m

Singapore Changi

Thu 8/27

8:45 am-8:01 pm

1 stop26h 16m

$888

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 month to fly to Singapore?

The month of March is, on average, the cheapest month to fly to Singapore from Ontario, with most prices found around $628. If you aren’t able to travel to Singapore during the month of March, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $783.

Can stopping save me money on Ontario to Singapore flights?

You could potentially save up to 42% 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

Fastest flight time

20h 50m

Direct flights

None
The fastest flight from Ontario to Singapore takes 20h 50m
There are no direct flights from Ontario to Singapore. There are no popular flight routes from Ontario to Singapore.
Search flight deals

Frequently asked questions about flying from Ontario to Singapore

  • 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 $783Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights
China AirlinesPriceFrom $958Free CancellationRating
8.3
828 reviews
Search China Airlines flights
STARLUX AirlinesPriceFrom $981Free CancellationRating
8.9
327 reviews
Search STARLUX 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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