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Kuala Lumpur

$501+ Cheap flights from Ontario (ONT) to Kuala Lumpur

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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KUL
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap flight deals from Ontario to Kuala Lumpur

Cheapest flights from Ontario to Kuala Lumpur
Explore the most affordable flight options available from Ontario to Kuala Lumpur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This BusinessClass deal was found by Cheapflights users on 3/29. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:45 am
ONT
-
KUL
2 stops48h 05m
Korean Air
Tue 5/1911:20 pm
KUL
-
ONT
2 stops32h 50m
Korean Air
Deal found 3/29$846
This Korean Air deal was found by Cheapflights users on 3/31. 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.
Tue 5/126:45 am
ONT
-
KUL
2 stops48h 05m
Korean Air
Wed 6/1711:20 pm
KUL
-
ONT
2 stops32h 59m
Korean Air
Deal found 3/31$863
This Korean Air deal was found by Cheapflights users on 3/29. 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 4/197:00 am
ONT
-
KUL
2 stops47h 50m
Korean Air
Sun 4/2611:20 pm
KUL
-
ONT
2 stops32h 55m
Korean Air
Deal found 3/29$892
This Korean Air deal was found by Cheapflights users on 3/31. 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 5/106:45 am
ONT
-
KUL
2 stops48h 05m
Korean Air
Wed 6/1711:20 pm
KUL
-
ONT
2 stops32h 59m
Korean Air
Deal found 3/31$913
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 4/217:00 am
ONT
-
KUL
2 stops47h 50m
Delta
Thu 5/2811:20 pm
KUL
-
ONT
2 stops38h 14m
Delta
Deal found 3/30$932
This Korean Air deal was found by Cheapflights users on 3/29. 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.
Sat 4/187:00 am
ONT
-
KUL
2 stops47h 50m
Korean Air
Sun 4/2611:20 pm
KUL
-
ONT
2 stops32h 55m
Korean Air
Deal found 3/29$937
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:50 pm
ONT
-
KUL
1 stop22h 35m
China Airlines
Fri 11/62:35 pm
KUL
-
ONT
1 stop18h 15m
China Airlines
Deal found 3/26$950
This Delta deal was found by Cheapflights users on 3/30. 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.
Sun 4/197:00 am
ONT
-
KUL
2 stops47h 50m
Delta
Fri 5/2911:20 pm
KUL
-
ONT
2 stops38h 14m
Delta
Deal found 3/30$962
This United Airlines deal was found by Cheapflights users on 3/30. 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 9/75:00 am
ONT
-
KUL
2 stops28h 05m
United Airlines
Wed 9/92:15 pm
KUL
-
ONT
2 stops42h 56m
United Airlines
Deal found 3/30$965
This Korean Air deal was found by Cheapflights users on 3/30. 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.
Fri 4/247:00 am
ONT
-
KUL
2 stops47h 50m
Korean Air
Sat 5/3011:20 pm
KUL
-
ONT
2 stops32h 50m
Korean Air
Deal found 3/30$967
This United Airlines deal was found by Cheapflights users on 3/27. 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 10/276:00 am
ONT
-
KUL
2 stops27h 15m
United Airlines
Tue 11/178:05 am
KUL
-
ONT
2 stops25h 42m
United Airlines
Deal found 3/27$968

Find flight deals from Ontario to Kuala Lumpur

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kuala Lumpur (MY1). 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 April 1, 2026.

Round-trip from

$846
(BusinessClass)

One-way from

$501
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$959
From Ontario to Kuala Lumpur
Search Deals
One-way flight from Ontario to Kuala Lumpur
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Kuala Lumpur 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 April 1, 2026.
Use the filters below to find and compare flights from Ontario to Kuala Lumpur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 9/10

7:00 am-9:50 pm

2 stops47h 50m

Kuala Lumpur Intl

Mon 9/14

11:20 pm-5:16 pm

2 stops32h 56m

$863

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 9/7

8:00 am-12:05 am

2 stops25h 05m

Kuala Lumpur Intl

Wed 9/9

2:15 pm-6:11 pm

2 stops42h 56m

$965

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 8/23

12:45 am-1:55 pm

2 stops22h 10m

Kuala Lumpur Intl

Mon 9/7

2:45 pm-6:40 pm

1 stop18h 55m

$1,003

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 8/27

12:45 am-1:55 pm

2 stops22h 10m

Kuala Lumpur Intl

Tue 9/8

2:45 pm-6:40 pm

1 stop18h 55m

$1,061

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 7/19

6:20 am-9:50 pm

2 stops48h 30m

Kuala Lumpur Intl

Mon 7/27

11:20 pm-5:21 pm

2 stops33h 01m

$1,068

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 8/24

5:00 am-12:05 am

2 stops28h 05m

Kuala Lumpur Intl

Mon 9/7

7:15 am-6:11 pm

2 stops25h 56m

$1,103

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 9/6

12:45 am-1:25 pm

1 stop21h 40m

Kuala Lumpur Intl

Wed 9/9

2:45 pm-6:40 pm

1 stop18h 55m

$1,128
Quickest round-trip

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Tue 4/21

12:10 am-1:25 pm

1 stop22h 15m

Kuala Lumpur Intl

Sun 5/24

2:45 pm-6:00 pm

1 stop18h 15m

$1,218

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 4/12

12:10 am-1:25 pm

1 stop22h 15m

Kuala Lumpur Intl

Tue 4/28

2:45 pm-6:00 pm

1 stop18h 15m

$1,316

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Fri 8/21

8:00 am-12:05 am

2 stops25h 05m

Kuala Lumpur Intl

Tue 8/25

7:15 am-6:11 pm

2 stops25h 56m

$1,316

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 22 resultsSorted by cheapest first
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3

Best time to book a flight from Ontario to Kuala Lumpur

Have a flexible travel schedule? Discover the best time to fly to Kuala Lumpur 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

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Kuala Lumpur (average of $527). Flying from Ontario to Kuala Lumpur in June is currently the most expensive (average of $831). 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.

How much does it cost to fly round-trip from Ontario to Kuala Lumpur?

Reviews of airlines servicing Kuala Lumpur

Get insights into the airlines that provide service to Kuala Lumpur. 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. Reviews last updated April 1, 2026.
Read through reviews of airlines operating flights from Ontario to Kuala Lumpur, such as China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
815 reviews

Comfort

8.0

Entertainment

8.0

Crew

8.5

Food

7.8

Overall

8.3

Boarding

8.3

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
815 reviews
China Airlines
8.3
Very good
815 reviews

Comfort

8.0

Entertainment

8.0

Crew

8.5

Food

7.8

Overall

8.3

Boarding

8.3

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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kuala Lumpur. 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?

    For a flight from Ontario to Kuala Lumpur, 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 per day. 1 airline has flights to Kuala Lumpur from Ontario on a regular basis.

  • How long is the flight from Ontario to Kuala Lumpur?

    Departing from Ontario to Kuala Lumpur will take you 25h 05m. The distance from Ontario to Kuala Lumpur is about 8828 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on China Airlines is currently your cheapest option to Kuala Lumpur, with prices starting at $898. China Airlines is priced at 20% lower than the current average price of a flight leaving 3 months from now.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Ontario to Kuala Lumpur 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?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Kuala Lumpur (average of $527). Flying from Ontario to Kuala Lumpur in June is currently the most expensive (average of $831). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Kuala Lumpur

Discover the top airline that operate flights from Ontario to Kuala Lumpur. 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$898Average$1,280FlexibilityNo cancel feeOn-time70%

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