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 15 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

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

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

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?

The number of operators available for flights from Ontario Airport to Singapore Changi Airport is 3 as of June 2026.

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.

$387 Cheap Flights from Ontario to Singapore in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Singapore

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:20 am - 5:00 am

ONT

SIN

31h 40m

2 stops

7:30 am - 10:40 pm

SIN

ONT

30h 10m

2 stops

$834Delta

Thu, Aug 20 - Thu, Sep 17

6:00 pm - 11:55 pm

ONT

SIN

38h 55m

2 stops

1:25 am - 5:17 pm

SIN

ONT

30h 52m

2 stops

$840Delta

Sun, Sep 27 - Wed, Oct 7

8:03 am - 6:35 pm

ONT

SIN

19h 32m

1 stop

10:20 pm - 9:57 am

SIN

ONT

27h 37m

1 stop

$873United Airlines

Tue, Oct 13 - Mon, Nov 9

5:00 am - 6:15 am

ONT

SIN

34h 15m

2 stops

8:45 am - 8:01 pm

SIN

ONT

26h 16m

1 stop

$877United Airlines

Mon, Aug 17 - Thu, Aug 27

5:00 am - 6:15 am

ONT

SIN

34h 15m

2 stops

10:20 pm - 9:57 am

SIN

ONT

27h 37m

1 stop

$878United Airlines

Tue, Oct 13 - Mon, Nov 9

6:53 pm - 8:15 pm

ONT

SIN

33h 22m

1 stop

10:10 am - 12:20 pm

SIN

ONT

18h 10m

1 stop

$879United Airlines

Tue, Nov 3 - Sat, Feb 6

6:00 am - 6:35 pm

ONT

SIN

21h 35m

1 stop

8:35 pm - 12:12 pm

SIN

ONT

30h 37m

1 stop

$881Lufthansa

Thu, Aug 6 - Wed, Aug 19

6:08 am - 6:40 am

ONT

SIN

33h 32m

2 stops

8:45 am - 8:01 pm

SIN

ONT

26h 16m

1 stop

$882United Airlines

Thu, Aug 20 - Thu, Sep 17

1:52 pm - 6:35 pm

ONT

SIN

37h 43m

1 stop

10:20 pm - 12:33 pm

SIN

ONT

29h 13m

2 stops

$883United Airlines

Sat, Oct 17 - Mon, Oct 26

8:03 am - 6:35 pm

ONT

SIN

19h 32m

1 stop

11:05 am - 10:59 pm

SIN

ONT

26h 54m

2 stops

$884United Airlines

Tue, Sep 29 - Thu, Oct 8

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Lufthansa flights from Ontario to Singapore

Our best Lufthansa deals on Ontario to Singapore flight tickets

Lufthansa

Aug 14

ONT6:08 amOntario

21h 27m

1 stop

SIN6:35 pmSingapore Changi

Aug 28

SIN8:45 amSingapore Changi

24h 26m

1 stop

ONT6:11 pmOntario

$922

Lufthansa

Aug 14

ONT6:08 amOntario

21h 27m

1 stop

SIN6:35 pmSingapore Changi

Aug 28

SIN8:45 amSingapore Changi

24h 26m

1 stop

ONT6:11 pmOntario

$923

Lufthansa

Aug 13

ONT7:13 pmOntario

20h 02m

1 stop

SIN6:15 amSingapore Changi

Aug 26

SIN8:45 amSingapore Changi

24h 31m

1 stop

ONT6:16 pmOntario

$924

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

Jul 16

ONT6:20 amOntario

45h 55m

2 stops

SIN7:15 pmSingapore Changi

Jul 22

SIN1:25 amSingapore Changi

36h 27m

2 stops

ONT10:52 pmOntario

$984

Delta

Jul 27

ONT6:00 amOntario

26h 55m

2 stops

SIN11:55 pmSingapore Changi

Aug 14

SIN7:30 amSingapore Changi

30h 15m

2 stops

ONT10:45 pmOntario

$1,032

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 8/20

6:20 am-5:00 am

2 stops31h 40m

Singapore Changi

Thu 9/17

7:30 am-10:40 pm

2 stops30h 10m

$834

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 9/27

6:00 pm-11:55 pm

2 stops38h 55m

Singapore Changi

Wed 10/7

1:25 am-5:17 pm

2 stops30h 52m

$840

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 10/13

8:03 am-6:35 pm

1 stop19h 32m

Singapore Changi

Mon 11/9

10:20 pm-9:57 am

1 stop27h 37m

$873

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 8/17

5:00 am-6:15 am

2 stops34h 15m

Singapore Changi

Thu 8/27

8:45 am-8:01 pm

1 stop26h 16m

$877

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 10/13

5:00 am-6:15 am

2 stops34h 15m

Singapore Changi

Mon 11/9

10:20 pm-9:57 am

1 stop27h 37m

$878

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 11/3

6:53 pm-8:15 pm

1 stop33h 22m

Singapore Changi

Sat 2/6

10:10 am-12:20 pm

1 stop18h 10m

$879

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 8/6

6:00 am-6:35 pm

1 stop21h 35m

Singapore Changi

Wed 8/19

8:35 pm-12:12 pm

1 stop30h 37m

$881

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 8/20

6:08 am-6:40 am

2 stops33h 32m

Singapore Changi

Thu 9/17

8:45 am-8:01 pm

1 stop26h 16m

$882

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sat 10/17

1:52 pm-6:35 pm

1 stop37h 43m

Singapore Changi

Mon 10/26

10:20 pm-12:33 pm

2 stops29h 13m

$883

Quickest round-trip

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 9/29

8:03 am-6:35 pm

1 stop19h 32m

Singapore Changi

Thu 10/8

11:05 am-10:59 pm

2 stops26h 54m

$884

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 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 $967.

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

The cheapest day to depart from Ontario to Singapore is on a Sunday when prices can be found for as low as $785. The most expensive day to fly to Singapore is Friday, with ticket prices averaging around $883.

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 $835. 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 $1,177 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 42% 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	20h 02m
Direct flights	None

The fastest flight from Ontario to Singapore takes 20h 02m

There are no direct flights from Ontario to Singapore. There are no popular flight routes from Ontario to Singapore.

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Frequently asked questions about flying from Ontario to Singapore

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 20h 02m 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?
The number of operators available for flights from Ontario Airport to Singapore Changi Airport is 3 as of June 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Singapore is China Airlines (46% of total bookings). The next most popular airlines are United Airlines (37%) and STARLUX Airlines (17%).

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 $783	Free Cancellation	Rating 7.4 9,870 reviews	Search United Airlines flights
STARLUX Airlines	PriceFrom $887	Free Cancellation	Rating 8.8 343 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $958	Free Cancellation	Rating 8.3 829 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?

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.