What is the cheapest airline that flies from Ontario to Singapore?

Korean Air, Delta, and United Airlines are the most popular carriers operating from Ontario to Singapore

What airlines fly to Singapore?

Singapore Airlines, United Airlines and Cathay Pacific are the top three most popular airlines that fly to Singapore from Ontario according to our data. Singapore Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 17 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

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?

There are 2 operators available for flights from Ontario Airport to Singapore as of July 2025.

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.

$361 Cheap Flights from Ontario to Singapore in 2025

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Find the cheapest flights from Ontario to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 11:40 pmONT-SIN

26h 40m2 stops

7:30 am - 5:11 pmSIN-ONT

24h 41m2 stops

$705Korean Air

Find Deal

Tue, Aug 19 - Thu, Aug 28

6:00 am - 11:40 pmONT-SIN

26h 40m2 stops

1:10 am - 5:10 pmSIN-ONT

31h 00m2 stops

$706Korean Air

Find Deal

Tue, Sep 30 - Tue, Oct 14

6:00 am - 11:40 pmONT-SIN

26h 40m2 stops

7:30 am - 5:00 pmSIN-ONT

24h 30m2 stops

$707Korean Air

Find Deal

Thu, Aug 21 - Thu, Sep 11

6:00 am - 6:25 pmONT-SIN

21h 25m1 stop

8:45 am - 5:37 pmSIN-ONT

23h 52m1 stop

$714United Airlines

Find Deal

Sun, Aug 31 - Sun, Sep 14

6:36 pm - 6:15 amONT-SIN

20h 39m1 stop

10:10 am - 12:37 pmSIN-ONT

18h 27m1 stop

$726United Airlines

Find Deal

Mon, Oct 20 - Mon, Nov 17

6:00 am - 11:40 pmONT-SIN

26h 40m2 stops

1:10 am - 10:40 pmSIN-ONT

36h 30m2 stops

$734Delta

Find Deal

Mon, Sep 8 - Mon, Sep 22

6:37 am - 12:10 amONT-SIN

26h 33m2 stops

11:00 am - 10:42 pmSIN-ONT

27h 42m2 stops

$743Delta

Find Deal

Thu, Oct 30 - Mon, Nov 17

5:40 pm - 5:00 amONT-SIN

44h 20m2 stops

10:30 pm - 11:42 pmSIN-ONT

40h 12m2 stops

$748Delta

Find Deal

Sun, Sep 14 - Sun, Sep 21

6:00 am - 6:25 pmONT-SIN

21h 25m1 stop

8:45 am - 12:13 pmSIN-ONT

18h 28m1 stop

$756United Airlines

Find Deal

Sun, Aug 31 - Sun, Sep 14

6:10 am - 6:25 pmONT-SIN

21h 15m1 stop

8:45 am - 12:13 pmSIN-ONT

18h 28m1 stop

$771United Airlines

Find Deal

Sat, Aug 16 - Wed, Aug 20

United Airlines flights from Ontario to Singapore

Our best United Airlines deals on Ontario to Singapore flight tickets

United Airlines

Aug 31

ONT6:00 amOntario

21h 25m

1 stop

SIN6:25 pmSingapore Changi

Sep 14

SIN8:45 amSingapore Changi

23h 52m

1 stop

ONT5:37 pmOntario

$714

Find similar

United Airlines

Oct 20

ONT6:36 pmOntario

20h 39m

1 stop

SIN6:15 amSingapore Changi

Nov 17

SIN10:10 amSingapore Changi

18h 27m

1 stop

ONT12:37 pmOntario

$726

Find similar

United Airlines

Aug 31

ONT6:00 amOntario

21h 25m

1 stop

SIN6:25 pmSingapore Changi

Sep 14

SIN8:45 amSingapore Changi

18h 28m

1 stop

ONT12:13 pmOntario

$756

Find similar

China Airlines flights from Ontario to Singapore

Our best China Airlines deals on Ontario to Singapore flight tickets

China Airlines

Aug 3

ONT12:45 amOntario

20h 50m

1 stop

SIN12:35 pmSingapore Changi

Dec 3

SIN2:00 amSingapore Changi

30h 50m

1 stop

ONT4:50 pmOntario

$953

Find similar

China Airlines

Aug 13

ONT12:45 amOntario

32h 50m

1 stop

SIN12:35 amSingapore Changi

Aug 20

SIN1:45 pmSingapore Changi

19h 55m

1 stop

ONT6:40 pmOntario

$1,031

Find similar

China Airlines

Aug 11

ONT12:45 amOntario

20h 50m

1 stop

SIN12:35 pmSingapore Changi

Aug 18

SIN2:00 amSingapore Changi

31h 40m

1 stop

ONT6:40 pmOntario

$1,033

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 8/19

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Thu 8/28

7:30 am-5:11 pm

2 stops24h 41m

$705

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 9/30

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Tue 10/14

1:10 am-5:10 pm

2 stops31h 00m

$706

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 8/21

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Thu 9/11

7:30 am-5:00 pm

2 stops24h 30m

$707

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 8/31

6:00 am-6:25 pm

1 stop21h 25m

Singapore Changi

Sun 9/14

8:45 am-5:37 pm

1 stop23h 52m

$714

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 10/20

6:36 pm-6:15 am

1 stop20h 39m

Singapore Changi

Mon 11/17

10:10 am-12:37 pm

1 stop18h 27m

$726

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 9/8

6:00 am-11:40 pm

2 stops26h 40m

Singapore Changi

Mon 9/22

1:10 am-10:40 pm

2 stops36h 30m

$734

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 10/30

6:37 am-12:10 am

2 stops26h 33m

Singapore Changi

Mon 11/17

11:00 am-10:42 pm

2 stops27h 42m

$743

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 9/14

5:40 pm-5:00 am

2 stops44h 20m

Singapore Changi

Sun 9/21

10:30 pm-11:42 pm

2 stops40h 12m

$748

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 8/31

6:00 am-6:25 pm

1 stop21h 25m

Singapore Changi

Sun 9/14

8:45 am-12:13 pm

1 stop18h 28m

$756

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 8/16

6:10 am-6:25 pm

1 stop21h 15m

Singapore Changi

Wed 8/20

8:45 am-12:13 pm

1 stop18h 28m

$771

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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.

Cheap Ontario to Singapore flight deals and tips

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

Best Price Found	$361
Fastest flight time	20h 24m
Direct flights	None
Airports in Singapore	1 airport

The best one-way flight to Singapore from Ontario in the past 72 hours is $361. The best round-trip flight deal from Ontario to Singapore found on momondo in the last 72 hours is $705.

The fastest flight from Ontario to Singapore takes 20h 24m

There are no direct flights from Ontario to Singapore. Popular non-direct route for this connection is Ontario Airport - Singapore Changi Airport.

There is 1 airport near Singapore: Singapore Changi (SIN)

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?
There are 2 operators available for flights from Ontario Airport to Singapore as of July 2025.
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 Airlines	PriceFrom $887	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines flights
China Airlines	PriceFrom $970	Free Cancellation	Rating 8.3 754 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.

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.

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Flights to Singaporefrom $534

Cheap flights from Ontario to Singapore from $361

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Ontario to Singapore

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Ontario to Singapore

Our best United Airlines deals on Ontario to Singapore flight tickets

China Airlines flights from Ontario to Singapore

Our best China Airlines deals on Ontario to Singapore flight tickets

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Use the filters below to find and compare flights from Ontario to Singapore that are best for you.

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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?

What is the cheapest airline that flies from Ontario to Singapore?

Korean Air, Delta, and United Airlines are the most popular carriers operating from Ontario to Singapore

What airlines fly to Singapore?

Cheap Ontario to Singapore flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Singapore

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

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?

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

Best airlines flying from Ontario to Singapore

Compare and see reviews for airlines that fly from Ontario to Singapore with momondo

Why use momondo?

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

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

How can momondo help me find flights 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?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo