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Kuala Lumpur Intl

$441+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KUL
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$776
(Delta)

One-way from

$441
(Delta)

Popular in

December

Cheapest in

May

Average price

$1,310
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. 21% potential increase in price ($334 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 July 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 July 1, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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 8/196:05 amONT - KUL
2 stops24h 45mDelta
Wed 8/2711:20 pmKUL - ONT
2 stops38h 22mDelta
Deal found 6/30$776
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 9/237:00 amONT - KUL
2 stops32h 00mUnited Airlines
Wed 10/16:40 pmKUL - ONT
2 stops38h 00mUnited Airlines
Deal found 6/30$849
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:10 amONT - KUL
1 stop22h 15mChina Airlines
Fri 10/172:45 pmKUL - ONT
1 stop18h 15mChina Airlines
Deal found 6/30$923
This Korean Air deal was found by Cheapflights users on 6/30. 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.
Thu 8/216:05 amONT - KUL
2 stops24h 45mKorean Air
Tue 9/211:10 pmKUL - ONT
2 stops33h 01mKorean Air
Deal found 6/30$931
This Mytrip deal was found by Cheapflights users on 6/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1612:45 amONT - KUL
2 stops34h 55mMultiple Airlines
Sat 8/3010:40 pmKUL - ONT
3 stops35h 00mMultiple Airlines
Deal found 6/29$979
This ScholarTrip deal was found by Cheapflights users on 7/1. 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.
Mon 8/2511:45 pmONT - KUL
1 stop25h 25mSTARLUX Airlines
Sun 10/265:10 pmKUL - ONT
1 stop38h 40mSTARLUX Airlines
Deal found 7/1$1,019

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 July 1, 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 8/19

6:05 am-9:50 pm

2 stops24h 45m

Kuala Lumpur Intl

Wed 9/3

11:10 pm-10:40 pm

2 stops38h 30m

$776

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Tue 9/23

7:00 am-6:00 am

2 stops32h 00m

Kuala Lumpur Intl

Wed 10/1

6:40 pm-5:40 pm

2 stops38h 00m

$849

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Wed 10/8

12:10 am-1:25 pm

1 stop22h 15m

Kuala Lumpur Intl

Fri 10/17

2:45 pm-6:00 pm

1 stop18h 15m

$923

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 8/21

6:05 am-9:50 pm

2 stops24h 45m

Kuala Lumpur Intl

Tue 9/2

11:10 pm-5:11 pm

2 stops33h 01m

$931

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Sat 8/16

12:45 am-2:40 am

2 stops34h 55m

Kuala Lumpur Intl

Sat 8/30

10:40 pm-6:40 pm

3 stops35h 00m

$979

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 8/25

11:45 pm-4:10 pm

1 stop25h 25m

Kuala Lumpur Intl

Sun 10/26

5:10 pm-4:50 pm

1 stop38h 40m

$1,019

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 8/25

6:05 am-9:50 pm

2 stops24h 45m

$441

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Mon 11/24

6:38 pm-10:20 am

2 stops23h 42m

$471

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 8/21

6:05 am-9:50 pm

2 stops24h 45m

$518

OntarioKuala Lumpur

ONT - KUL

ONTKUL

Ontario

Thu 9/4

12:45 am-1:25 pm

1 stop21h 40m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 14 results
1
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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 $969). Flying from Ontario to Kuala Lumpur Intl Airport in June is currently the most expensive (average of $1,425). 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 July 1, 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.

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

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 July 1, 2025.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air, and 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.
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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
189 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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
1,101 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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
745 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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.
Delta
8.0
Very good
7,974 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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.
Qatar Airways
7.4
Good
3,595 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Food

8.9

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

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, Delta ($776), United Airlines ($849), and China Airlines ($924) offers the cheapest pricing from Ontario to Kuala Lumpur Intl Airport. Users have found that Delta is 38% 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 Delta ($441), China Airlines ($540), and STARLUX Airlines ($602).

  • 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 $969). Flying from Ontario to Kuala Lumpur Intl Airport in June is currently the most expensive (average of $1,425). 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
Shah Alam
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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$969Average$1,289FlexibilityNo cancel feeOn-time70%

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