Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Singapore from $313

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 1/28. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:30 am - 12:10 am
ONT
-
SIN
24h 40m
2 stops
Delta Logo
10:30 pm - 10:37 pm
SIN
-
ONT
40h 07m
2 stops
$649Delta
Mon, Feb 16 - Mon, Feb 23
Delta Logo
7:30 am - 12:10 am
ONT
-
SIN
24h 40m
2 stops
Delta Logo
10:40 am - 10:37 pm
SIN
-
ONT
27h 57m
2 stops
$650Delta
Mon, Feb 2 - Thu, Mar 5
Korean Air Logo
7:30 am - 5:00 am
ONT
-
SIN
30h 30m
2 stops
Korean Air Logo
7:30 am - 5:16 pm
SIN
-
ONT
24h 46m
2 stops
$655Korean Air
Thu, Apr 30 - Tue, May 19
Delta Logo
6:00 am - 8:25 pm
ONT
-
SIN
46h 25m
2 stops
Delta Logo
10:30 pm - 10:37 pm
SIN
-
ONT
40h 07m
2 stops
$674Delta
Sat, Feb 14 - Mon, Feb 23
Delta Logo
7:30 am - 12:10 am
ONT
-
SIN
24h 40m
2 stops
Delta Logo
10:40 am - 11:49 pm
SIN
-
ONT
29h 09m
2 stops
$675Delta
Mon, Feb 2 - Sun, Mar 1
Korean Air Logo
7:30 am - 11:40 pm
ONT
-
SIN
25h 10m
2 stops
Korean Air Logo
10:30 pm - 5:16 pm
SIN
-
ONT
33h 46m
2 stops
$680Korean Air
Sat, Apr 25 - Sun, May 17
Delta Logo
7:30 am - 5:00 am
ONT
-
SIN
30h 30m
2 stops
Delta Logo
7:30 am - 5:16 pm
SIN
-
ONT
24h 46m
2 stops
$698Delta
Wed, May 6 - Wed, May 20
Korean Air Logo
7:30 am - 11:40 pm
ONT
-
SIN
25h 10m
2 stops
Korean Air Logo
7:30 am - 5:16 pm
SIN
-
ONT
24h 46m
2 stops
$704Korean Air
Fri, May 1 - Mon, May 11
Delta Logo
7:30 am - 5:00 am
ONT
-
SIN
30h 30m
2 stops
Delta Logo
7:30 am - 11:44 pm
SIN
-
ONT
31h 14m
2 stops
$774Delta
Thu, Apr 16 - Thu, May 14
Korean Air Logo
6:00 am - 11:40 pm
ONT
-
SIN
26h 40m
2 stops
Korean Air Logo
7:30 am - 5:13 pm
SIN
-
ONT
24h 43m
2 stops
$780Korean Air
Tue, Mar 31 - Thu, Apr 9

Delta flights from Ontario to Singapore

Our best Delta deals on Ontario to Singapore flight tickets
Delta
Feb 16
ONT7:30 amOntario
24h 40m
2 stops
SIN12:10 amSingapore Changi
Feb 23
SIN10:30 pmSingapore Changi
40h 07m
2 stops
ONT10:37 pmOntario
$649
Delta
Feb 2
ONT6:00 amOntario
26h 10m
2 stops
SIN12:10 amSingapore Changi
Mar 4
SIN10:40 amSingapore Changi
27h 57m
2 stops
ONT10:37 pmOntario
$650
Delta
Feb 1
ONT1:11 pmOntario
42h 59m
2 stops
SIN12:10 amSingapore Changi
Mar 2
SIN10:30 pmSingapore Changi
41h 19m
2 stops
ONT11:49 pmOntario
$655

American Airlines flights from Ontario to Singapore

Our best American Airlines deals on Ontario to Singapore flight tickets
American Airlines
Feb 15
ONT11:58 pmOntario
38h 37m
2 stops
SIN6:35 amSingapore Changi
Feb 19
SIN2:20 amSingapore Changi
37h 39m
2 stops
ONT11:59 pmOntario
$928
American Airlines
Feb 15
ONT11:58 pmOntario
38h 37m
2 stops
SIN6:35 amSingapore Changi
Feb 20
SIN8:15 amSingapore Changi
31h 44m
2 stops
ONT11:59 pmOntario
$931

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 January 21, 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

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 2/16

7:30 am-12:10 am

2 stops24h 40m

Singapore Changi

Mon 2/23

10:30 pm-10:37 pm

2 stops40h 07m

$649

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 2/2

7:30 am-12:10 am

2 stops24h 40m

Singapore Changi

Thu 3/5

10:40 am-10:37 pm

2 stops27h 57m

$650

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 4/30

7:30 am-5:00 am

2 stops30h 30m

Singapore Changi

Tue 5/19

7:30 am-5:16 pm

2 stops24h 46m

$655

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 2/14

6:00 am-8:25 pm

2 stops46h 25m

Singapore Changi

Mon 2/23

10:30 pm-10:37 pm

2 stops40h 07m

$674

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 2/2

7:30 am-12:10 am

2 stops24h 40m

Singapore Changi

Sun 3/1

10:40 am-11:49 pm

2 stops29h 09m

$675

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 4/25

7:30 am-11:40 pm

2 stops25h 10m

Singapore Changi

Sun 5/17

10:30 pm-5:16 pm

2 stops33h 46m

$680

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 5/6

7:30 am-5:00 am

2 stops30h 30m

Singapore Changi

Wed 5/20

7:30 am-5:16 pm

2 stops24h 46m

$698

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Fri 5/1

7:30 am-11:40 pm

2 stops25h 10m

Singapore Changi

Mon 5/11

7:30 am-5:16 pm

2 stops24h 46m

$704

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 4/16

7:30 am-5:00 am

2 stops30h 30m

Singapore Changi

Thu 5/14

7:30 am-11:44 pm

2 stops31h 14m

$774

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 3/31

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Thu 4/9

7:30 am-5:13 pm

2 stops24h 43m

$780

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $835. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,034.

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

In the evening is the cheapest time of day to fly from Ontario to Singapore when you can find flight prices for as low as $904. Flying to Singapore in the evening 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 $1,307 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 18% on your flight if you consider stops on a Ontario to Singapore flight.

When to book flights from Ontario to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Singapore (ONT to SIN) flight deals and tips

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

Fastest flight time

21h 25m

Direct flights

None
The fastest flight from Ontario to Singapore takes 21h 25m
There are no direct flights from Ontario to Singapore. There are no popular flight routes from Ontario to Singapore.
Search flight deals

  • How far is Ontario to Singapore Changi by plane?

    The straight-line distance from Ontario to Singapore Changi is 8797.3 mi. Typically, this will take 21h 25m by plane in normal conditions.

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

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

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

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

    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 Changi Airport.

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

    The necessary travel and health documents for your Singapore Changi Airport 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.

  • What is the most popular airline from Ontario to Singapore?

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
9,190 reviews
Search United Airlines flights
China AirlinesPriceFrom $964Free CancellationRating
8.3
799 reviews
Search China Airlines flights
STARLUX AirlinesPriceFrom $981Free CancellationRating
8.9
268 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?

Yes. momondo allows you to filter the results for Ontario to Singapore flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Singapore from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Singapore from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 2/20
Fri 2/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Singapore Airlines
United Airlines
Korean Air
Cathay Pacific
Air Canada
Asiana Airlines
Philippine Airlines
China Airlines
ANA
China Eastern
EVA Air
Delta
Japan Airlines
XiamenAir