RM 618+ 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 17/3. 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 — KUL
3 Mar — 10 Mar1
1 adult
1 adult, Economy, 0 bags

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 1 February 2026.

Cheapest airline

Cathay Pacific
On average, Cathay Pacific currently has the cheapest one-way flight from Ontario (avg. price of RM 3,128).
Search Deals

Find flights from Ontario

Enter your travel dates to find the best prices.

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 1 February 2026.

Thu 23/407:00
ONT
-
KUL
2 stops47h 50m
Korean Air
Mon 27/423:10
KUL
-
ONT
2 stops33h 05m
Korean Air
Deal found 29/1RM 2,453
Sun 1/318:37
ONT
-
KUL
2 stops23h 43m
United Airlines
Tue 31/320:40
KUL
-
ONT
2 stops36h 07m
United Airlines
Deal found 31/1RM 2,859
Sun 5/406:00
ONT
-
KUL
2 stops37h 15m
United Airlines
Fri 1/520:40
KUL
-
ONT
2 stops36h 12m
United Airlines
Deal found 31/1RM 2,867
Thu 26/306:15
ONT
-
KUL
2 stops37h 05m
United Airlines
Thu 2/420:40
KUL
-
ONT
2 stops30h 34m
United Airlines
Deal found 30/1RM 2,878
Wed 15/406:00
ONT
-
KUL
2 stops24h 50m
Delta
Mon 27/423:10
KUL
-
ONT
2 stops33h 05m
Delta
Deal found 31/1RM 3,012
Mon 13/417:55
ONT
-
KUL
2 stops60h 55m
Delta
Sun 26/423:10
KUL
-
ONT
2 stops33h 05m
Delta
Deal found 31/1RM 3,036
Tue 17/313:40
ONT
-
PEN
2 stops36h 10m
United Airlines
Tue 24/317:45
PEN
-
ONT
2 stops38h 56m
United Airlines
Deal found 30/1RM 3,335
Wed 25/213:50
ONT
-
KUL
2 stops32h 05m
United Airlines
Wed 18/320:30
KUL
-
ONT
2 stops36h 11m
United Airlines
Deal found 1/2RM 3,359
Wed 4/318:37
ONT
-
KUL
2 stops23h 43m
United Airlines
Tue 7/420:40
KUL
-
ONT
2 stops36h 07m
United Airlines
Deal found 30/1RM 3,371
Wed 8/418:49
ONT
-
KUL
2 stops27h 46m
United Airlines
Sun 19/420:40
KUL
-
ONT
2 stops36h 07m
United Airlines
Deal found 31/1RM 3,378
Thu 23/413:27
ONT
-
PEN
2 stops36h 58m
United Airlines
Mon 27/411:55
PEN
-
ONT
2 stops37h 01m
United Airlines
Deal found 29/1RM 3,422
Thu 26/306:15
ONT
-
KUL
2 stops37h 05m
United Airlines
Mon 30/318:40
KUL
-
ONT
2 stops38h 22m
United Airlines
Deal found 31/1RM 3,426

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 1 February 2026. In the last 7 days, Cheapflights users made a total of 407,431 searches

Fly to

Kuala Lumpur Intl

Route

Departure

Return

Price

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 23/4

07:00-21:50

2 stops47h 50m

Kuala Lumpur Intl

Mon 27/4

23:10-17:15

2 stops33h 05m

RM 2,457

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 1/3

18:37-10:20

2 stops23h 43m

Kuala Lumpur Intl

Tue 31/3

20:40-17:47

2 stops36h 07m

RM 2,859

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 26/3

06:15-10:20

2 stops37h 05m

Kuala Lumpur Intl

Thu 2/4

20:40-12:14

2 stops30h 34m

RM 2,878

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 13/4

17:55-21:50

2 stops60h 55m

Kuala Lumpur Intl

Sun 26/4

23:10-17:15

2 stops33h 05m

RM 3,036

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 13/4

17:55-21:50

2 stops60h 55m

Kuala Lumpur Intl

Tue 28/4

23:10-22:37

2 stops38h 27m

RM 3,036

OntarioPenang

ONT - PEN

ONTPEN

Ontario

Tue 17/3

13:40-16:50

2 stops36h 10m

Penang Intl

Tue 24/3

17:45-17:41

2 stops38h 56m

RM 3,335

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 25/2

13:50-13:55

2 stops32h 05m

Kuala Lumpur Intl

Wed 18/3

20:30-17:41

2 stops36h 11m

RM 3,359

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 4/3

18:37-13:55

2 stops27h 18m

Kuala Lumpur Intl

Wed 8/4

18:40-12:14

2 stops32h 34m

RM 3,371

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 4/3

18:37-10:20

2 stops23h 43m

Kuala Lumpur Intl

Tue 14/4

20:40-17:47

2 stops36h 07m

RM 3,371

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 4/3

18:37-10:20

2 stops23h 43m

Kuala Lumpur Intl

Wed 15/4

18:40-17:47

2 stops38h 07m

RM 3,371

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 39 results
1
2
3
4

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 RM 2,268). Flying from Ontario in June will prove the most costly (average of RM 3,646). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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

Book a direct flight from one of these other cities located in California.
Direct flights from Los Angeles
Direct flights from San Francisco
Direct flights from San Diego
Direct flights from San Jose
Direct flights from Fresno

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 1 February 2026.

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

    This month, the top selected destinations from Ontario are Dallas/Fort Worth Airport, Denver, Guadalajara. 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 month to fly from Ontario?

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

  • How does Cheapflights help users find flights from Ontario?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

    Millions of users choose and trust Cheapflights to book the best flight deals from Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

    Yes, we can. To see specific flights from Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

    Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

See more FAQs

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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario with no change fees?

Yes, we can. To see specific flights from Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.