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S$ 612+ Cheap flights to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23-4. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 12 March 2026.

Tue 21-402:00
SIN
-
ONT
1 stop31h 00m
China Airlines
Tue 28-400:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 8-3S$ 961
Thu 16-413:45
SIN
-
ONT
1 stop19h 15m
China Airlines
Mon 31-800:45
ONT
-
SIN
1 stop32h 50m
China Airlines
Deal found 11-3S$ 962
Thu 23-402:00
SIN
-
ONT
1 stop31h 00m
China Airlines
Fri 8-500:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 8-3S$ 971
Fri 21-813:45
SIN
-
ONT
1 stop19h 55m
China Airlines
Sat 26-900:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 9-3S$ 981
Mon 21-913:45
SIN
-
ONT
1 stop19h 15m
China Airlines
Tue 22-900:10
ONT
-
SIN
1 stop21h 25m
China Airlines
Deal found 9-3S$ 1,008

Find flight deals to Ontario

Find the latest flights to Ontario in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 12 March 2026.

Return from

S$ 834

One-way from

S$ 612

Popular in

December

Cheapest in

February

Average price

S$ 1,183
Philippine Airlines
  • Philippine Airlines
  • 8-9-21-9
  • 2 total stops
  • 50h 30m total
  • Singapore to Los Angeles
Search Deals
China Airlines
  • China Airlines
  • 23-4
  • 1 total stop
  • 19h 15m total
  • Singapore to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (S$ 68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 15 potential savings vs. average return price).
Search Deals
Average for return flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 12 March 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 23-4

02:00-18:00

1 stop31h 00m

Ontario

Fri 8-5

00:10-12:35

1 stop21h 25m

S$ 1,050

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 16-4

09:00-20:36

2 stops26h 36m

Ontario

Tue 1-9

13:18-06:15

2 stops25h 57m

S$ 1,253

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Mon 23-3

22:20-20:50

2 stops37h 30m

Ontario

Tue 7-4

06:00-18:35

1 stop21h 35m

S$ 1,386

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Wed 20-5

09:00-17:52

1 stop23h 52m

Ontario

Fri 29-5

06:00-18:35

1 stop21h 35m

S$ 1,395

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Sat 4-4

09:00-09:56

1 stop39h 56m

Ontario

Sat 11-4

18:49-06:45

1 stop20h 56m

S$ 1,428

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 14-5

09:00-20:36

2 stops26h 36m

Ontario

Fri 22-5

18:30-18:35

2 stops33h 05m

S$ 1,543

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Thu 23-4

03:15-19:05

2 stops30h 50m

Ontario

Sat 9-5

10:39-08:50

2 stops31h 11m

S$ 1,550

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Mon 23-3

03:15-18:13

2 stops29h 58m

Ontario

Wed 8-4

10:33-08:50

2 stops31h 17m

S$ 1,572
Fastest return journey

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Fri 24-4

09:00-12:20

1 stop18h 20m

Ontario

Sat 9-5

06:00-18:35

1 stop21h 35m

S$ 1,687
Cheapest one-way

SingaporeOntario

SIN - ONT

SINONT

Singapore Changi

Sat 5-9

13:45-18:40

1 stop19h 55m

S$ 653

Flights are sorted by cheapest return flights first.

Deals found on 10-3

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Ontario

What are the cheapest airlines that fly to Ontario?

The cheapest airline flying from Singapore to Ontario is China Airlines.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 12 March 2026.
Read through reviews of airlines serving the United States, such as China Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
811 reviews
Check prices

Food

7.8

Overall

8.3

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.
China Airlines
8.3
Very Good
811 reviews
China Airlines
8.3
Very Good
811 reviews
Check prices

Food

7.8

Overall

8.3

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.

FAQs about flying to Ontario

  • What airport do you fly into for flights to Ontario?

    If you book a flight to Ontario, you will be flying into Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario.

  • Can I find cheaper flights to Ontario if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ontario?

    Based on reviews from Cheapflights users, China Airlines is rated the highest out of the airlines that fly to Ontario.

  • Does Ontario have rental cars?

    Yes. Those touching down at Ontario can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ontario?

    Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

See more FAQs

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How does Cheapflights help users find flights to Ontario?

Deals for Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario.

Can Cheapflights find flights to Ontario with no change fees?

Need flexible booking options for your flight to Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Ontario today and book when you’re ready!

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