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Kuala Lumpur Intl

$420+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KUL
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
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 April 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$774
(Delta)

One-way from

$420
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$975
Provider with most accurate pricing for Ontario-Kuala Lumpur Intl flight deals.
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Provider most trusted by Cheapflights users for Ontario-Kuala Lumpur Intl flights.
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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. 15% potential increase in price ($238 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($103 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 16, 2025.

This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:45 amONT - KUL
2 stops49h 05mDelta
Sun 5/2511:10 pmKUL - ONT
2 stops34h 10mDelta
Deal found 4/15$774
This Korean Air deal was found by Cheapflights users on 4/15. 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.
Mon 4/285:45 amONT - KUL
2 stops49h 05mKorean Air
Mon 5/1211:10 pmKUL - ONT
2 stops34h 10mKorean Air
Deal found 4/15$780
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:42 pmONT - KUL
2 stops23h 38mUnited Airlines
Tue 12/95:00 pmKUL - ONT
2 stops23h 10mUnited Airlines
Deal found 4/15$796
This oojo deal was found by Cheapflights users on 4/16. 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.
Mon 8/2512:45 amONT - KUL
1 stop21h 40mChina Airlines
Tue 9/162:45 pmKUL - ONT
1 stop18h 15mChina Airlines
Deal found 4/16$879
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/248:10 amONT - KUL
2 stops36h 55mMultiple Airlines
Fri 10/312:35 pmKUL - ONT
1 stop18h 15mMultiple Airlines
Deal found 4/16$989
This Etihad Airways deal was found by Cheapflights users on 4/15. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:40 pmONT - KUL
2 stops42h 30mEtihad Airways
Fri 5/239:35 amKUL - ONT
2 stops50h 36mEtihad Airways
Deal found 4/15$1,265
This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2411:46 amONT - KUL
2 stops29h 04mQatar Airways
Tue 5/202:55 amKUL - ONT
2 stops30h 30mQatar Airways
Deal found 4/15$1,343

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 April 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

Tue 5/6

5:45 am-9:50 pm

2 stops49h 05m

Kuala Lumpur Intl

Mon 5/19

11:10 pm-6:20 pm

2 stops34h 10m

$774

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 4/28

5:45 am-9:50 pm

2 stops49h 05m

Kuala Lumpur Intl

Sun 5/11

11:10 pm-6:20 pm

2 stops34h 10m

$780

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 8/25

6:36 pm-10:10 am

2 stops24h 34m

Kuala Lumpur Intl

Thu 10/30

8:00 am-2:41 pm

2 stops21h 41m

$800

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 8/25

12:45 am-1:25 pm

1 stop21h 40m

Kuala Lumpur Intl

Tue 9/16

2:45 pm-6:00 pm

1 stop18h 15m

$879

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 7/30

12:00 pm-6:00 am

2 stops27h 00m

Kuala Lumpur Intl

Sat 8/9

2:45 pm-6:40 pm

1 stop18h 55m

$1,079

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 5/4

10:40 pm-8:10 am

2 stops42h 30m

Kuala Lumpur Intl

Fri 5/23

9:35 am-9:11 pm

2 stops50h 36m

$1,265

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 8/13

12:00 pm-7:50 am

2 stops28h 50m

Kuala Lumpur Intl

Tue 10/21

2:55 am-10:37 pm

2 stops34h 42m

$1,353

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 4/21

5:00 am-11:55 pm

2 stops27h 55m

$420

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sat 5/3

5:45 am-9:50 pm

2 stops49h 05m

$443

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 4/27

5:45 am-9:50 pm

2 stops49h 05m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 14 results
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Compare providers for flights from Ontario to Kuala Lumpur Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Kuala Lumpur Intl in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Kuala Lumpur Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Kuala Lumpur Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Kuala Lumpur Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Kuala Lumpur Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Kuala Lumpur Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Ontario to Kuala Lumpur Intl Airport (average of $968). Flying from Ontario to Kuala Lumpur Intl Airport in June is currently the most expensive (average of $1,491). 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 April 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.

Rainfall in Kuala Lumpur Intl by month

Plan your trip to Kuala Lumpur Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kuala Lumpur Intl Airport ranges from 4.7 - 11.0 inches per month. November is typically the wettest month, when rainfall can reach 11.0 in. June is typically the driest time to visit Kuala Lumpur Intl Airport when rainfall is around 4.7 in.

Temperature in Kuala Lumpur Intl by month

Plan your trip to Kuala Lumpur Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kuala Lumpur Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 April 16, 2025.
Read through reviews of airlines operating flights from Ontario to Kuala Lumpur, such as STARLUX Airlines, Korean Air and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
154 reviews

Food

8.9

Overall

9.1

Crew

9.3

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
154 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Food

8.9

Overall

9.1

Crew

9.3

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,064 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Food

8.9

Overall

9.1

Crew

9.3

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very good
729 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Food

8.9

Overall

9.1

Crew

9.3

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Delta
8.0
Very good
7,916 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Food

8.9

Overall

9.1

Crew

9.3

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Qatar Airways
7.4
Good
3,553 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Food

8.9

Overall

9.1

Crew

9.3

Entertainment

9.0

Boarding

9.0

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 are the cheapest airlines flying from Ontario to Kuala Lumpur Intl Airport round-trip?

    According to our current data, Delta ($774), Korean Air ($780), and United Airlines ($800) offers the cheapest pricing from Ontario to Kuala Lumpur Intl Airport. Users have found that Delta is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Ontario to Kuala Lumpur Intl Airport one-way?

    The cheapest airlines for a one-way flight from Ontario to Kuala Lumpur Intl Airport are United Airlines ($420), Delta ($443), and Korean Air ($446).

  • 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, February is the cheapest month in which you can book a flight from Ontario to Kuala Lumpur Intl Airport (average of $968). Flying from Ontario to Kuala Lumpur Intl Airport in June is currently the most expensive (average of $1,491). 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 Ontario?

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Port Dickson
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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 April 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$966Average$1,239FlexibilityNo cancel feeOn-time70%

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