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Cheap flights from Ontario to Singapore from $409

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 8/24. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 11:55 pm
ONT
-
SIN
26h 35m
2 stops
Delta Logo
7:30 am - 5:12 pm
SIN
-
ONT
24h 42m
2 stops
$834Delta
Thu, Sep 24 - Wed, Oct 7
Delta Logo
6:20 am - 5:00 am
ONT
-
SIN
31h 40m
2 stops
Delta Logo
10:00 pm - 10:04 pm
SIN
-
ONT
39h 04m
2 stops
$834Delta
Thu, Sep 3 - Tue, Sep 8
Delta Logo
6:00 am - 5:00 am
ONT
-
SIN
32h 00m
2 stops
Delta Logo
10:30 pm - 11:00 pm
SIN
-
ONT
40h 30m
2 stops
$834Delta
Tue, Oct 20 - Mon, Nov 9
United Airlines Logo
7:13 pm - 6:15 am
ONT
-
SIN
20h 02m
1 stop
United Airlines Logo
8:45 am - 12:18 pm
SIN
-
ONT
18h 33m
1 stop
$862United Airlines
Sun, Sep 20 - Sun, Oct 4
United Airlines Logo
7:13 pm - 6:15 am
ONT
-
SIN
20h 02m
1 stop
United Airlines Logo
8:45 am - 12:18 pm
SIN
-
ONT
18h 33m
1 stop
$863United Airlines
Sun, Sep 20 - Sun, Oct 4
United Airlines Logo
7:13 pm - 6:15 am
ONT
-
SIN
20h 02m
1 stop
United Airlines Logo
8:45 am - 12:18 pm
SIN
-
ONT
18h 33m
1 stop
$865United Airlines
Sun, Sep 20 - Sun, Oct 4
China Airlines Logo
12:45 am - 12:35 pm
ONT
-
SIN
20h 50m
1 stop
China Airlines Logo
1:55 pm - 6:00 pm
SIN
-
ONT
19h 05m
1 stop
$989China Airlines
Sat, Sep 12 - Sun, Sep 27
China Airlines Logo
12:45 am - 12:35 pm
ONT
-
SIN
20h 50m
1 stop
China Airlines Logo
1:55 pm - 6:00 pm
SIN
-
ONT
19h 05m
1 stop
$996China Airlines
Sat, Sep 12 - Sun, Sep 27
STARLUX Airlines Logo
9:45 pm - 1:25 pm
ONT
-
SIN
23h 40m
1 stop
STARLUX Airlines Logo
2:45 pm - 3:55 pm
SIN
-
ONT
17h 10m
1 stop
$1,221STARLUX Airlines
Fri, Nov 20 - Wed, Dec 2
STARLUX Airlines Logo
11:30 pm - 12:40 pm
ONT
-
SIN
22h 10m
1 stop
STARLUX Airlines Logo
2:00 pm - 5:05 pm
SIN
-
ONT
18h 05m
1 stop
$1,226STARLUX Airlines
Wed, Sep 2 - Mon, Sep 21

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Korean Air flights from Ontario to Singapore

Our best Korean Air deals on Ontario to Singapore flight tickets
Korean Air
Nov 18
ONT7:04 amOntario
45h 21m
2 stops
SIN8:25 pmSingapore Changi
Nov 25
SIN10:30 pmSingapore Changi
34h 43m
2 stops
ONT5:13 pmOntario
$840
Korean Air
Aug 23
ONT6:20 amOntario
31h 40m
2 stops
SIN5:00 amSingapore Changi
Aug 27
SIN7:30 amSingapore Changi
24h 51m
2 stops
ONT5:21 pmOntario
$852
Korean Air
Oct 30
ONT6:20 amOntario
26h 50m
2 stops
SIN12:10 amSingapore Changi
Nov 9
SIN10:30 pmSingapore Changi
34h 47m
2 stops
ONT5:17 pmOntario
$884

Delta flights from Ontario to Singapore

Our best Delta deals on Ontario to Singapore flight tickets
Delta
Aug 20
ONT6:20 amOntario
31h 40m
2 stops
SIN5:00 amSingapore Changi
Sep 17
SIN7:30 amSingapore Changi
30h 10m
2 stops
ONT10:40 pmOntario
$834
Delta
Sep 29
ONT6:20 amOntario
26h 35m
2 stops
SIN11:55 pmSingapore Changi
Nov 5
SIN1:35 amSingapore Changi
36h 36m
2 stops
ONT10:11 pmOntario
$846
Delta
Oct 29
ONT6:01 pmOntario
43h 59m
2 stops
SIN5:00 amSingapore Changi
Nov 7
SIN10:30 pmSingapore Changi
52h 47m
2 stops
ONT11:17 amOntario
$871

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 July 28, 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

Thu 9/24

6:20 am-11:55 pm

2 stops26h 35m

Singapore Changi

Wed 10/7

7:30 am-5:12 pm

2 stops24h 42m

$834

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 9/3

6:20 am-5:00 am

2 stops31h 40m

Singapore Changi

Tue 9/8

10:00 pm-10:04 pm

2 stops39h 04m

$834

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 10/20

6:00 am-5:00 am

2 stops32h 00m

Singapore Changi

Mon 11/9

10:30 pm-11:00 pm

2 stops40h 30m

$834
Quickest round-trip

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 9/20

7:13 pm-6:15 am

1 stop20h 02m

Singapore Changi

Sun 10/4

8:45 am-12:18 pm

1 stop18h 33m

$862

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 9/20

7:13 pm-6:15 am

1 stop20h 02m

Singapore Changi

Sun 10/4

8:45 am-12:18 pm

1 stop18h 33m

$863

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 9/20

7:13 pm-6:15 am

1 stop20h 02m

Singapore Changi

Sun 10/4

8:45 am-12:18 pm

1 stop18h 33m

$865

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 9/12

12:45 am-12:35 pm

1 stop20h 50m

Singapore Changi

Sun 9/27

1:55 pm-6:00 pm

1 stop19h 05m

$989

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 9/12

12:45 am-12:35 pm

1 stop20h 50m

Singapore Changi

Sun 9/27

1:55 pm-6:00 pm

1 stop19h 05m

$996

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 11/20

9:45 pm-1:25 pm

1 stop23h 40m

Singapore Changi

Wed 12/2

2:45 pm-3:55 pm

1 stop17h 10m

$1,221

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 9/2

11:30 pm-12:40 pm

1 stop22h 10m

Singapore Changi

Mon 9/21

2:00 pm-5:05 pm

1 stop18h 05m

$1,226

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 October is, on average, the cheapest month to fly to Singapore from Ontario, with most prices found around $887. If you aren’t able to travel to Singapore during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $968.

Can stopping save me money on Ontario to Singapore flights?

You could potentially save up to 16% 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

19h 32m

Direct flights

None
The fastest flight from Ontario to Singapore takes 19h 32m
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
10,046 reviews
Search United Airlines flights
STARLUX AirlinesPriceFrom $887Free CancellationRating
8.8
362 reviews
Search STARLUX Airlines flights
China AirlinesPriceFrom $958Free CancellationRating
8.3
838 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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