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S$ 78+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30-1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — SIN
22 Jan — 29 Jan1
1 adult

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 17 January 2025.

Cheapest airline

Alaska Airlines
On average, Alaska Airlines currently has the cheapest one-way flight from Ontario.
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Find flights from Ontario

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 17 January 2025.

Wed 26-206:00ONT - SIN
1 stop22h 15mUnited Airlines
Tue 25-310:10SIN - ONT
1 stop25h 00mUnited Airlines
Deal found 15-1S$ 1,211
Mon 24-206:00ONT - SIN
2 stops26h 10mKorean Air
Wed 12-311:00SIN - ONT
2 stops26h 22mKorean Air
Deal found 15-1S$ 1,312
Mon 24-222:45ONT - SIN
1 stop22h 20mChina Airlines
Mon 10-314:15SIN - ONT
1 stop18h 35mChina Airlines
Deal found 16-1S$ 1,359
Thu 3-400:10ONT - SIN
2 stops32h 45mMultiple Airlines
Thu 17-401:10SIN - ONT
2 stops31h 50mMultiple Airlines
Deal found 16-1S$ 1,534
Tue 22-411:46ONT - SIN
2 stops30h 14mQatar Airways
Sun 27-402:15SIN - ONT
2 stops36h 44mQatar Airways
Deal found 17-1S$ 1,712

Find flights from Ontario within your budget

Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 17 January 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Any airport

Route

Depart

Return

Price

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 26-2

06:00-20:15

1 stop22h 15m

Singapore Changi

Tue 25-3

10:10-20:10

1 stop25h 00m

S$ 1,211

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 24-2

06:00-00:10

2 stops26h 10m

Singapore Changi

Wed 12-3

11:00-22:22

2 stops26h 22m

S$ 1,312

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 24-2

22:45-13:05

1 stop22h 20m

Singapore Changi

Mon 10-3

14:15-17:50

1 stop18h 35m

S$ 1,359

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 3-4

00:10-23:55

2 stops32h 45m

Singapore Changi

Thu 17-4

01:10-18:00

2 stops31h 50m

S$ 1,534

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 22-4

11:46-09:00

2 stops30h 14m

Singapore Changi

Sun 27-4

02:15-23:59

2 stops36h 44m

S$ 1,712

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 11-2

06:00-05:00

2 stops31h 00m

S$ 662

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 16-2

06:00-20:15

1 stop22h 15m

S$ 671

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Sun 6-4

00:10-23:55

2 stops32h 45m

S$ 744

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 7-4

05:40-05:00

2 stops32h 20m

S$ 767

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 15-4

00:10-12:35

1 stop21h 25m

S$ 798

Flights are sorted by cheapest return flights first.

Deals found on 16-1

Showing 1-10 of 14 results
1
2

Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario?

Currently, November is the cheapest month in which you can book a flight from Ontario (average of S$ 878). Flying from Ontario in July will prove the most costly (average of S$ 1,497). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Ontario

Get insights into the airlines that provide service from Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Ontario. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very Good
1,034 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very Good
1,448 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very Good
737 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Alaska Airlines
8.0
Very Good
9,684 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very Good
8,513 reviews
Korean Air
8.5
Very Good
1,034 reviews
Check prices

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 17 January 2025.

  • What are the most popular destinations to fly to from Ontario?

    This month, the top selected destinations from Ontario are Guadalajara, Dallas/Fort Worth Airport, Denver. Throughout the year, Dallas/Fort Worth Airport, Denver, Guadalajara are some of the top choices made by users flying from Ontario.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as S$ 784 to Taipei City Taiwan Taoyuan Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 787 to fly from Ontario.

  • What is the cheapest month to fly from Ontario?

    Currently, the cheapest month for flights from Ontario is November. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Ontario?

    View the cheapest flight destinations from Ontario:
    Fly from Ontario to Singapore from S$ 1,203 round trip

  • How does Cheapflights help users find flights from Ontario?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Ontario today with Cheapflights!

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

    Cheapflights helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Ontario with no change fees?

    Need flexible booking options for your flight from 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 from Ontario become cheaper?

    Yes! Start tracking prices for flights from Ontario today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Ontario today with Cheapflights!

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

Cheapflights helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario with no change fees?

Need flexible booking options for your flight from 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 from Ontario become cheaper?

Yes! Start tracking prices for flights from Ontario today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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