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

This month, the top selected destinations from Ontario are Denver, Dallas/Fort Worth Airport, Honolulu. 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$ 122 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 505 to fly from Ontario.

What is the cheapest month to fly from Ontario?

Currently, the cheapest month for flights from Ontario is February . The most expensive month for flights is December . 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$ 941 round trip

S$ 124+ Flights from Ontario

What to know about flights from Ontario

Cheapest airline	Turkish Airlines
Good round-trip deal	S$ 352 or less
Good one-way deal	S$ 129 or less

On average, Turkish Airlines currently has the cheapest one-way flight from Ontario (avg. price of S$ 1,373).

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Price to beat on a round-trip flight from Ontario.

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Price to beat on a 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 15 August 2025.

Wed 10-906:00ONT - SIN

2 stops26h 40mDelta

Thu 18-907:30SIN - ONT

2 stops31h 12mDelta

Deal found 14-8S$ 941

Mon 8-906:00ONT - SIN

2 stops26h 40mKorean Air

Tue 7-1007:30SIN - ONT

2 stops24h 40mKorean Air

Deal found 14-8S$ 947

Thu 28-806:00ONT - SIN

2 stops26h 40mKorean Air

Mon 29-922:30SIN - ONT

2 stops33h 30mKorean Air

Deal found 15-8S$ 949

Thu 13-1106:43ONT - SIN

2 stops25h 27mDelta

Tue 23-1222:30SIN - ONT

2 stops37h 47mDelta

Deal found 14-8S$ 953

Sun 14-917:40ONT - SIN

2 stops39h 00mDelta

Wed 1-1001:10SIN - ONT

2 stops37h 32mDelta

Deal found 14-8S$ 960

Tue 9-906:00ONT - SIN

2 stops32h 00mDelta

Thu 18-907:30SIN - ONT

2 stops31h 12mDelta

Deal found 14-8S$ 964

Sat 13-906:00ONT - SIN

2 stops32h 00mDelta

Tue 7-1007:30SIN - ONT

2 stops30h 11mDelta

Deal found 14-8S$ 986

Mon 15-906:00ONT - SIN

2 stops26h 40mKorean Air

Sat 27-901:10SIN - ONT

2 stops30h 50mKorean Air

Deal found 14-8S$ 992

Sat 30-818:50ONT - SIN

1 stop20h 25mUnited Airlines

Wed 3-908:45SIN - ONT

1 stop18h 28mUnited Airlines

Deal found 14-8S$ 996

Mon 25-818:50ONT - SIN

1 stop20h 25mUnited Airlines

Tue 30-908:45SIN - ONT

1 stop18h 28mUnited Airlines

Deal found 15-8S$ 1,005

Best flights from Ontario
Discover carefully curated flight deals from Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2025.

Wed 17-906:00ONT - SIN

2 stops26h 40mDelta

Tue 30-901:10SIN - ONT

2 stops36h 30mDelta

Deal found 14-8S$ 941

Wed 10-906:05ONT - SIN

2 stops26h 35mDelta

Tue 7-1007:30SIN - ONT

2 stops30h 11mDelta

Deal found 14-8S$ 941

Wed 12-1106:43ONT - SIN

2 stops30h 17mDelta

Mon 1-1222:30SIN - ONT

2 stops34h 47mDelta

Deal found 14-8S$ 941

Mon 15-906:00ONT - SIN

2 stops26h 40mDelta

Sun 26-1022:30SIN - ONT

2 stops39h 11mDelta

Deal found 13-8S$ 941

Wed 10-906:00ONT - SIN

2 stops32h 00mDelta

Thu 30-1011:00SIN - ONT

2 stops26h 41mDelta

Deal found 13-8S$ 941

Tue 16-906:00ONT - SIN

2 stops26h 40mDelta

Sun 28-922:30SIN - ONT

2 stops40h 12mDelta

Deal found 14-8S$ 941

Mon 15-906:00ONT - SIN

2 stops26h 40mDelta

Wed 29-1011:00SIN - ONT

2 stops26h 41mDelta

Deal found 13-8S$ 941

Mon 15-906:00ONT - SIN

2 stops26h 40mDelta

Tue 28-1011:00SIN - ONT

2 stops25h 20mDelta

Deal found 13-8S$ 941

Wed 10-906:00ONT - SIN

2 stops32h 00mDelta

Wed 17-907:30SIN - ONT

2 stops30h 10mDelta

Deal found 13-8S$ 941

Thu 13-1106:43ONT - SIN

2 stops25h 27mDelta

Mon 22-1211:00SIN - ONT

2 stops27h 42mDelta

Deal found 14-8S$ 941

Wed 10-906:00ONT - SIN

2 stops26h 40mDelta

Tue 16-922:30SIN - ONT

2 stops39h 10mDelta

Deal found 14-8S$ 941

Last-minute flights from Ontario
Discover last-minute flight deals departing from Ontario. Data was last updated 15 August 2025 and is based on user searches.

Thu 21-800:45ONT - SIN

1 stop20h 50mChina Airlines

Sun 31-813:45SIN - ONT

1 stop19h 55mChina Airlines

Deal found 13-8S$ 1,218

Fri 22-813:42ONT - SIN

1 stop25h 33mUnited Airlines

Sun 31-808:45SIN - ONT

1 stop26h 48mUnited Airlines

Deal found 13-8S$ 1,203

Fri 22-806:00ONT - SIN

2 stops26h 40mKorean Air

Sun 31-807:30SIN - ONT

2 stops30h 12mKorean Air

Deal found 13-8S$ 1,221

Sun 24-806:00ONT - SIN

2 stops32h 00mKorean Air

Sun 28-901:10SIN - ONT

2 stops30h 50mKorean Air

Deal found 15-8S$ 994

Sun 24-818:50ONT - SIN

1 stop20h 25mUnited Airlines

Mon 29-908:45SIN - ONT

1 stop18h 28mUnited Airlines

Deal found 15-8S$ 1,005

Sun 24-800:45ONT - SIN

1 stop20h 50mChina Airlines

Mon 8-913:45SIN - ONT

1 stop19h 55mChina Airlines

Deal found 13-8S$ 1,213

Mon 25-806:00ONT - SIN

2 stops26h 40mKorean Air

Wed 1-1022:30SIN - ONT

2 stops39h 10mKorean Air

Deal found 15-8S$ 949

Mon 25-806:00ONT - SIN

2 stops32h 00mKorean Air

Thu 2-1007:30SIN - ONT

2 stops24h 30mKorean Air

Deal found 15-8S$ 960

Mon 25-805:10ONT - SIN

2 stops34h 05mUnited Airlines

Fri 3-1008:45SIN - ONT

1 stop18h 28mUnited Airlines

Deal found 15-8S$ 1,010

Mon 25-809:50ONT - SIN

2 stops46h 50mDelta

Sun 28-901:10SIN - ONT

2 stops30h 50mDelta

Deal found 15-8S$ 1,153

Mon 25-806:00ONT - SIN

2 stops27h 20mJapan Airlines

Wed 24-908:05SIN - ONT

2 stops25h 42mJapan Airlines

Deal found 13-8S$ 1,163

Mon 25-823:45ONT - SIN

1 stop21h 55mSTARLUX Airlines

Mon 8-914:00SIN - ONT

1 stop18h 05mSTARLUX Airlines

Deal found 13-8S$ 1,191

One-way flights from Ontario
Search for one-way flight options from Ontario. Find affordable one-way fares based on user searches. Data last updated 15 August 2025.

Mon 25-806:00ONT - SIN

2 stops32h 00mDelta

Deal found 15-8S$ 483

Tue 11-1106:43ONT - SIN

2 stops25h 27mKorean Air

Deal found 15-8S$ 488

Sun 24-809:50ONT - SIN

2 stops46h 50mDelta

Deal found 15-8S$ 499

Tue 11-1106:00ONT - SIN

2 stops26h 50mJapan Airlines

Deal found 13-8S$ 515

Tue 2-1218:41ONT - SIN

1 stop21h 19mUnited Airlines

Deal found 13-8S$ 523

Tue 16-913:15ONT - SIN

2 stops26h 00mUnited Airlines

Deal found 14-8S$ 526

Fri 22-813:42ONT - SIN

1 stop25h 33mUnited Airlines

Deal found 15-8S$ 529

Mon 13-1018:27ONT - SIN

2 stops32h 58mUnited Airlines

Deal found 14-8S$ 533

Sat 10-118:42ONT - SIN

2 stops44h 13mUnited Airlines

Deal found 13-8S$ 538

Sat 15-1118:38ONT - SIN

1 stop33h 37mUnited Airlines

Deal found 14-8S$ 540

Fri 23-106:00ONT - SIN

2 stops26h 55mUnited Airlines

Deal found 14-8S$ 542

Sat 11-1013:15ONT - SIN

2 stops38h 10mUnited Airlines

Deal found 13-8S$ 550

International flights from Ontario
Find cheap international flights from Ontario based on historic user searches and pricing. Information updated on 15 August 2025.

Wed 3-906:00ONT - MNL

2 stops25h 05mKorean Air

Tue 9-903:05MNL - ONT

2 stops29h 06mKorean Air

Deal found 14-8S$ 919

Mon 22-906:00ONT - MNL

2 stops26h 59mKorean Air

Mon 29-912:20MNL - ONT

2 stops43h 40mKorean Air

Deal found 12-8S$ 931

Wed 24-906:00ONT - MNL

2 stops25h 05mKorean Air

Sun 12-1001:10MNL - ONT

2 stops31h 00mKorean Air

Deal found 13-8S$ 936

Wed 19-1122:50ONT - MNL

1 stop25h 05mChina Airlines

Sun 25-110:55MNL - ONT

1 stop21h 55mChina Airlines

Deal found 14-8S$ 940

Mon 1-906:00ONT - MNL

2 stops26h 59mKorean Air

Thu 20-1112:30MNL - ONT

2 stops44h 47mKorean Air

Deal found 13-8S$ 953

Sun 14-906:00ONT - MNL

2 stops26h 59mKorean Air

Mon 29-903:05MNL - ONT

2 stops28h 55mKorean Air

Deal found 13-8S$ 963

Thu 20-1106:43ONT - MNL

2 stops23h 02mKorean Air

Mon 26-112:30MNL - ONT

2 stops42h 50mKorean Air

Deal found 13-8S$ 969

Wed 19-1106:43ONT - MNL

2 stops24h 42mKorean Air

Sun 25-112:30MNL - ONT

2 stops50h 08mKorean Air

Deal found 13-8S$ 976

Sat 1-1106:37ONT - MNL

2 stops37h 23mKorean Air

Tue 18-1100:55MNL - ONT

2 stops32h 22mKorean Air

Deal found 14-8S$ 977

Sat 1-1123:50ONT - MNL

1 stop19h 05mChina Airlines

Wed 19-1116:55MNL - ONT

1 stop15h 55mChina Airlines

Deal found 12-8S$ 979

Fri 3-1000:10ONT - MNL

1 stop18h 25mChina Airlines

Wed 15-1010:35MNL - ONT

1 stop22h 25mChina Airlines

Deal found 14-8S$ 981

Mon 3-1106:37ONT - DPS

2 stops25h 18mDelta

Wed 26-1101:20DPS - ONT

2 stops31h 57mDelta

Deal found 14-8S$ 1,036

Fly to

Route

Depart

Return

Price

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 17-9

06:00-23:40

2 stops26h 40m

Singapore Changi

Tue 30-9

01:10-22:40

2 stops36h 30m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 10-9

06:05-23:40

2 stops26h 35m

Singapore Changi

Tue 7-10

07:30-22:41

2 stops30h 11m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 12-11

06:43-05:00

2 stops30h 17m

Singapore Changi

Mon 1-12

22:30-17:17

2 stops34h 47m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 15-9

06:00-23:40

2 stops26h 40m

Singapore Changi

Sun 26-10

22:30-22:41

2 stops39h 11m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 10-9

06:00-05:00

2 stops32h 00m

Singapore Changi

Thu 30-10

11:00-22:41

2 stops26h 41m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Tue 16-9

06:00-23:40

2 stops26h 40m

Singapore Changi

Sun 28-9

22:30-23:42

2 stops40h 12m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 15-9

06:00-23:40

2 stops26h 40m

Singapore Changi

Wed 29-10

11:00-22:41

2 stops26h 41m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Mon 15-9

06:00-23:40

2 stops26h 40m

Singapore Changi

Tue 28-10

11:00-21:20

2 stops25h 20m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Wed 10-9

06:00-05:00

2 stops32h 00m

Singapore Changi

Wed 17-9

07:30-22:40

2 stops30h 10m

S$ 941

OntarioSingapore

ONT - SIN

ONTSIN

Ontario

Thu 13-11

06:43-00:10

2 stops25h 27m

Singapore Changi

Mon 22-12

11:00-22:42

2 stops27h 42m

S$ 941

Flights are sorted by cheapest return flights first.

Deals found on 15-8

Showing 1-10 of 23 results

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, February is the cheapest month in which you can book a flight from Ontario (average of S$ 746). Flying from Ontario in December will prove the most costly (average of S$ 1,006). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Ontario?

From Ontario you can expect to find greater availability for the following destinations: Seattle (123 flights per day), Dallas (115 flights per day) and Atlanta (91 flights per day).

Denver Intl

From S$ 95

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Denver Intl, with prices starting at S$ 122. Explore other affordable destinations below.

Denver Intl

From S$ 95

Browse thousands of different options on Cheapflights for your next trip

Related info for your journey

What are the most popular destinations to fly to from Ontario?
This month, the top selected destinations from Ontario are Denver, Dallas/Fort Worth Airport, Honolulu. 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$ 122 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 505 to fly from Ontario.
What is the cheapest month to fly from Ontario?
Currently, the cheapest month for flights from Ontario is February. The most expensive month for flights is December. 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$ 941 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

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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S$ 124+ 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 3-9. 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.

What to know about flights from Ontario

Cheapest airline

Good round-trip deal

Good one-way deal

Find flights from Ontario

Cheapest flights from OntarioExplore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 15 August 2025.

Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 15 August 2025.

Find flights from Ontario within your budget

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.

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?

What are popular destinations to fly to from Ontario?

What is the cheapest place to fly to from Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from California

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Related info for your journey

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

What is the cheapest flight from Ontario to anywhere?

What is the cheapest month to fly from Ontario?

Where are the cheapest places to fly to from Ontario?

How does Cheapflights help users find flights from Ontario?

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

Can Cheapflights find flights from Ontario with no change fees?

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

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?

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

Can Cheapflights find flights from Ontario with no change fees?

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

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Travel Smart

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 15 August 2025.