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Kuala Lumpur Intl

$439+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KUL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$781
(Korean Air)

One-way from

$439
(ScholarTrip)

Popular in

December

Cheapest in

May

Average price

$1,451
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. 20% potential increase in price ($331 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($109 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Korean Air deal was found by Cheapflights users on 6/11. 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 11/186:43 amONT - KUL
2 stops23h 37mKorean Air
Sun 11/3011:55 pmKUL - ONT
2 stops33h 22mKorean Air
Deal found 6/11$781
This Delta deal was found by Cheapflights users on 6/10. 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 9/216:00 amONT - KUL
2 stops24h 50mDelta
Tue 9/2311:10 pmKUL - ONT
2 stops38h 32mDelta
Deal found 6/10$815
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/211:42 pmONT - KUL
2 stops49h 18mUnited Airlines
Tue 9/306:40 pmKUL - ONT
2 stops32h 33mUnited Airlines
Deal found 6/10$859
This ScholarTrip deal was found by Cheapflights users on 6/12. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/111:45 pmONT - KUL
1 stop25h 25mSTARLUX Airlines
Sun 8/315:10 pmKUL - ONT
1 stop38h 55mSTARLUX Airlines
Deal found 6/12$901
This oojo deal was found by Cheapflights users on 6/11. 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 9/712:45 amONT - KUL
1 stop21h 40mChina Airlines
Tue 9/232:45 pmKUL - ONT
1 stop18h 15mChina Airlines
Deal found 6/11$926
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/612:45 amONT - KUL
2 stops34h 55mMultiple Airlines
Sun 9/1411:30 pmKUL - ONT
3 stops34h 10mMultiple Airlines
Deal found 6/10$960
This oojo deal was found by Cheapflights users on 6/10. 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.
Fri 10/311:39 amONT - KUL
2 stops32h 36mEVA Air
Thu 10/163:30 pmKUL - ONT
2 stops23h 29mEVA Air
Deal found 6/10$1,205
This oojo deal was found by Cheapflights users on 6/11. 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.
Tue 9/26:00 amONT - KUL
2 stops34h 50mQatar Airways
Wed 10/88:20 pmKUL - ONT
2 stops42h 39mQatar Airways
Deal found 6/11$1,219

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 June 12, 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 11/18

6:43 am-10:20 pm

2 stops23h 37m

Kuala Lumpur Intl

Sun 11/30

11:55 pm-5:17 pm

2 stops33h 22m

$781

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 9/21

6:00 am-9:50 pm

2 stops24h 50m

Kuala Lumpur Intl

Tue 9/23

11:10 pm-10:42 pm

2 stops38h 32m

$815

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 9/21

6:50 pm-6:00 am

2 stops44h 10m

Kuala Lumpur Intl

Wed 10/1

4:55 pm-12:13 pm

2 stops34h 18m

$859

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Fri 8/1

11:45 pm-4:10 pm

1 stop25h 25m

Kuala Lumpur Intl

Sun 8/31

5:10 pm-5:05 pm

1 stop38h 55m

$901

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sun 9/7

12:45 am-1:25 pm

1 stop21h 40m

Kuala Lumpur Intl

Tue 9/23

2:45 pm-6:00 pm

1 stop18h 15m

$926

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sat 9/6

12:45 am-2:40 am

2 stops34h 55m

Kuala Lumpur Intl

Sun 9/14

11:30 pm-6:40 pm

3 stops34h 10m

$960

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Fri 10/3

11:39 am-11:15 am

2 stops32h 36m

Kuala Lumpur Intl

Thu 10/16

3:30 pm-11:59 pm

2 stops23h 29m

$1,205

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Tue 9/2

6:00 am-7:50 am

2 stops34h 50m

Kuala Lumpur Intl

Wed 10/8

8:20 pm-11:59 pm

2 stops42h 39m

$1,219

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 10/27

6:45 am-10:20 pm

2 stops24h 35m

$439

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 8/25

6:00 am-9:50 pm

2 stops48h 50m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 18 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, March 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 $1,453). 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 June 12, 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 June 12, 2025.
Read through reviews of airlines operating flights from Ontario to Kuala Lumpur, such as STARLUX Airlines, EVA Air and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
177 reviews

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
177 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,489 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
738 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Entertainment

8.9

Boarding

9.0

Comfort

9.0

Food

8.8

Overall

9.1

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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, Korean Air ($781), Delta ($815), and United Airlines ($859) offers the cheapest pricing from Ontario to Kuala Lumpur Intl Airport. Users have found that Korean Air is 37% 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 Korean Air ($439), Delta ($443), and United Airlines ($453).

  • 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, March 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 $1,453). 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?

Book flights to Ontario if you plan to visit one of these locations
Putrajaya
Port Dickson
Petaling Jaya
Genting Highlands
Sepang
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Puchong

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$975Average$1,284FlexibilityNo cancel feeOn-time70%

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