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Kuala Lumpur Intl

$444+ Cheap flights from Ontario (ONT) to Kuala Lumpur Intl (KUL)

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KUL
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Ontario to Kuala Lumpur Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kuala Lumpur Intl (KUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2025.

Round-trip from

$776
(Delta)

One-way from

$444
(Korean Air)

Popular in

December

Cheapest in

November

Average price

$1,023
From Ontario to Kuala Lumpur Intl
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One-way flight from Ontario to Kuala Lumpur Intl
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Highest demand for flights based on searches. 19% potential increase in price ($302 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($112 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Ontario to Kuala Lumpur Intl

Cheapest flights from Ontario to Kuala Lumpur Intl
Explore the most affordable flight options available from Ontario to Kuala Lumpur Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:00 amONT - KUL
2 stops24h 50mDelta
Mon 11/1711:55 pmKUL - ONT
2 stops33h 22mDelta
Deal found 8/14$776
This Korean Air deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:37 amONT - KUL
2 stops48h 13mKorean Air
Tue 10/2811:55 pmKUL - ONT
2 stops32h 15mKorean Air
Deal found 8/13$781
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:36 pmONT - KUL
2 stops24h 34mUnited Airlines
Wed 10/298:30 pmKUL - ONT
2 stops36h 04mUnited Airlines
Deal found 8/13$783
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:00 amONT - KUL
2 stops26h 55mUnited Airlines
Wed 9/102:15 pmKUL - ONT
2 stops42h 22mUnited Airlines
Deal found 8/14$787
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:36 amONT - KUL
2 stops61h 14mUnited Airlines
Wed 10/296:30 pmKUL - ONT
2 stops38h 04mUnited Airlines
Deal found 8/13$788
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:42 pmONT - KUL
2 stops43h 13mUnited Airlines
Tue 10/148:40 pmKUL - ONT
2 stops36h 00mUnited Airlines
Deal found 8/14$792
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/128:16 pmONT - KUL
2 stops50h 34mUnited Airlines
Thu 10/306:30 pmKUL - ONT
2 stops33h 07mUnited Airlines
Deal found 8/13$794
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:36 amONT - KUL
2 stops37h 14mUnited Airlines
Fri 10/318:30 pmKUL - ONT
2 stops36h 04mUnited Airlines
Deal found 8/13$826
This Korean Air deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:00 amONT - KUL
2 stops48h 50mKorean Air
Sun 9/1411:10 pmKUL - ONT
2 stops32h 50mKorean Air
Deal found 8/15$827
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/111:53 pmONT - KUL
2 stops53h 17mUnited Airlines
Tue 10/288:30 pmKUL - ONT
2 stops41h 15mUnited Airlines
Deal found 8/13$831
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:00 amONT - KUL
2 stops24h 50mDelta
Sun 11/1611:55 pmKUL - ONT
2 stops33h 22mDelta
Deal found 8/14$834
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:51 pmONT - KUL
2 stops48h 19mUnited Airlines
Thu 10/306:30 pmKUL - ONT
2 stops38h 04mUnited Airlines
Deal found 8/13$837

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Kuala Lumpur Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Ontario to Kuala Lumpur Intl Airport that are best for you.

Fly from

Ontario

Fly to

Kuala Lumpur Intl

Route

Depart

Return

Price

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 9/24

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Mon 11/17

11:55 pm-5:17 pm

2 stops33h 22m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 9/25

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Mon 11/17

11:55 pm-5:17 pm

2 stops33h 22m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 9/25

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Tue 11/11

11:55 pm-10:42 pm

2 stops38h 47m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Tue 9/23

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Wed 11/19

11:55 pm-5:17 pm

2 stops33h 22m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Tue 9/23

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Mon 11/17

11:55 pm-5:17 pm

2 stops33h 22m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 9/25

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Wed 11/12

11:55 pm-5:17 pm

2 stops33h 22m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 9/22

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Mon 11/17

11:55 pm-5:17 pm

2 stops33h 22m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 9/22

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Tue 11/18

11:55 pm-5:17 pm

2 stops33h 22m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 9/24

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Wed 11/19

11:55 pm-5:17 pm

2 stops33h 22m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 9/22

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Tue 11/11

11:55 pm-5:17 pm

2 stops33h 22m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Kuala Lumpur Intl

Have a flexible travel schedule? Discover the best time to fly to Kuala Lumpur Intl from Ontario with our price prediction graph.
Estimated round-trip 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 from Ontario to Kuala Lumpur Intl Airport

What is the cheapest month to book a flight from Ontario to Kuala Lumpur Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Ontario to Kuala Lumpur Intl Airport (average of $967). Flying from Ontario to Kuala Lumpur Intl Airport in June is currently the most expensive (average of $1,421). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to KUL?

Find hourly flight availability from Ontario to Kuala Lumpur Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Ontario to Kuala Lumpur Intl Airport by exploring options for tickets at noon.

Reviews of airlines servicing Kuala Lumpur Intl

Get insights into the airlines that provide service to Kuala Lumpur Intl. 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 Kuala Lumpur Intl. Reviews last updated August 16, 2025.
Read reviews from past customers who have flown China Airlines from Ontario to Kuala Lumpur Intl Airport. 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
762 reviews

Crew

8.5

Boarding

8.3

Food

7.8

Overall

8.3

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

SFO - TPE

Bad News - The flight was delayed and it was due to ground crew issues but the staff were moving things along. The seat size was cramp and i am a lean person. The attendant kept asking me in Chinese when i already stated i don’t speak the language. The food was bad. The taste, aroma, consistent of mush. Even a cafeteria lady can cook better food. Kudos - the pilot made up for lost time to the best of his ability. He made sure that the flight was smooth even though there was occasional turbulence. The landing was great.
China Airlines
8.3
Very good
762 reviews
China Airlines
8.3
Very good
762 reviews

Crew

8.5

Boarding

8.3

Food

7.8

Overall

8.3

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

SFO - TPE

Bad News - The flight was delayed and it was due to ground crew issues but the staff were moving things along. The seat size was cramp and i am a lean person. The attendant kept asking me in Chinese when i already stated i don’t speak the language. The food was bad. The taste, aroma, consistent of mush. Even a cafeteria lady can cook better food. Kudos - the pilot made up for lost time to the best of his ability. He made sure that the flight was smooth even though there was occasional turbulence. The landing was great.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kuala Lumpur Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Kuala Lumpur Intl?

    For a flight from Ontario to Kuala Lumpur Intl, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Kuala Lumpur Intl per day. 1 airline has flights to Kuala Lumpur Intl from Ontario on a regular basis.

  • What is the cheapest airline to fly from Ontario to Kuala Lumpur Intl Airport round-trip?

    According to our current data, China Airlines ($966), offers the cheapest pricing from Ontario to Kuala Lumpur Intl Airport. Users have found that China Airlines is 20% cheaper than the other options available to this destination.

  • Can I find deals for flights from Ontario to Kuala Lumpur Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to Kuala Lumpur Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Kuala Lumpur Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Kuala Lumpur Intl.

  • Can I find deals for business class flights from Ontario to Kuala Lumpur Intl?

    Yes. Cheapflights offers flight deals from Ontario to Kuala Lumpur Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Kuala Lumpur Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Kuala Lumpur Intl Airport (average of $967). Flying from Ontario to Kuala Lumpur Intl Airport in June is currently the most expensive (average of $1,421). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kuala Lumpur Intl Airport?

Book flights to Kuala Lumpur Intl Airport if you plan to visit one of these locations
Putrajaya
Port Dickson
Petaling Jaya
Genting Highlands
Sepang
Shah Alam
Puchong

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Kuala Lumpur Intl

Discover the top airline that operate flights from Ontario to Kuala Lumpur Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$966Average$1,295FlexibilityNo cancel feeOn-time70%

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