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$554+ Cheap flights from Kuala Lumpur Intl (KUL) to Ontario (ONT)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
KUL — ONT
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
1 adult, Economy
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Cheap flight deals from Kuala Lumpur Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Kuala Lumpur Intl (KUL) to Ontario (ONT). 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 18, 2025.

Round-trip from

$856
(Trip.com)

One-way from

$554
(Trip.com)

Popular in

January

Cheapest in

September

Average price

$1,022
From Kuala Lumpur Intl to Ontario
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One-way flight from Kuala Lumpur Intl to Ontario
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Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($8 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 Kuala Lumpur Intl to Ontario

Cheapest flights from Kuala Lumpur Intl to Ontario
Explore the most affordable flight options available from Kuala Lumpur Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2025.

This Trip.com deal was found by Cheapflights users on 7/17. 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.
Mon 9/156:00 pmKUL - ONT
2 stops39h 00mMultiple Airlines
Fri 9/1912:10 amONT - KUL
2 stops35h 30mMultiple Airlines
Deal found 7/17$856
This oojo deal was found by Cheapflights users on 7/15. 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.
Tue 11/252:35 pmKUL - ONT
1 stop18h 15mChina Airlines
Thu 12/410:50 pmONT - KUL
1 stop22h 35mChina Airlines
Deal found 7/15$866
This STARLUX Airlines deal was found by Cheapflights users on 7/15. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:10 pmKUL - ONT
1 stop38h 55mSTARLUX Airlines
Mon 10/611:10 pmONT - KUL
1 stop26h 00mSTARLUX Airlines
Deal found 7/15$974
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Thu 10/22:15 pmKUL - ONT
2 stops42h 25mUnited Airlines
Mon 10/61:53 pmONT - KUL
2 stops43h 02mUnited Airlines
Deal found 7/17$1,160
This oojo deal was found by Cheapflights users on 7/16. 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.
Thu 9/112:55 amKUL - ONT
2 stops30h 52mQatar Airways
Fri 10/311:39 amONT - KUL
2 stops29h 11mQatar Airways
Deal found 7/16$1,209

Cheapflights Fare Finder

Customize your flight search to find flights from Kuala Lumpur Intl to Ontario 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 18, 2025.
Use the filters below to find and compare flights from Kuala Lumpur Intl Airport to Ontario that are best for you.

Fly from

Kuala Lumpur Intl

Fly to

Ontario

Route

Depart

Return

Price

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Mon 9/15

6:00 pm-6:00 pm

2 stops39h 00m

Ontario

Fri 9/19

12:10 am-2:40 am

2 stops35h 30m

$856

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Tue 11/25

2:35 pm-4:50 pm

1 stop18h 15m

Ontario

Thu 12/4

10:50 pm-1:25 pm

1 stop22h 35m

$866

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Thu 9/25

5:10 pm-5:05 pm

1 stop38h 55m

Ontario

Mon 9/29

11:10 pm-4:10 pm

1 stop26h 00m

$957

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Thu 9/25

2:15 pm-5:40 pm

2 stops42h 25m

Ontario

Mon 9/29

6:36 pm-6:00 am

2 stops44h 24m

$1,156

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Sat 10/4

6:55 am-5:05 pm

2 stops25h 10m

$554

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Thu 8/21

5:10 pm-5:40 pm

1 stop39h 30m

$590

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Sat 10/4

2:45 pm-6:00 pm

1 stop18h 15m

$592

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Tue 9/16

2:55 am-6:47 pm

2 stops30h 52m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Best time to book a flight from Kuala Lumpur Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kuala Lumpur Intl 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 Kuala Lumpur Intl Airport to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Kuala Lumpur Intl Airport to Ontario (average of $246). Flying from Kuala Lumpur Intl Airport to Ontario in March is currently the most expensive (average of $328). 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 Kuala Lumpur Intl Airport to Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 18, 2025.
Read reviews from past customers who have flown STARLUX Airlines, China Airlines, and Qatar Airways from Kuala Lumpur Intl Airport to Ontario. 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
9.0
Wonderful
189 reviews

Overall

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Boarding

9.0

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
9.0
Wonderful
189 reviews
STARLUX Airlines
9.0
Wonderful
189 reviews

Overall

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Boarding

9.0

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
8.2
Very good
745 reviews
STARLUX Airlines
9.0
Wonderful
189 reviews

Overall

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Boarding

9.0

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.
Qatar Airways
7.4
Good
3,604 reviews
STARLUX Airlines
9.0
Wonderful
189 reviews

Overall

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Boarding

9.0

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.
United Airlines
7.4
Good
8,864 reviews
STARLUX Airlines
9.0
Wonderful
189 reviews

Overall

9.0

Entertainment

9.0

Food

8.9

Comfort

9.0

Boarding

9.0

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 Kuala Lumpur Intl to Ontario. 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 into for flights to Ontario from Kuala Lumpur Intl?

    If you book a flight to Ontario from Kuala Lumpur Intl, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Kuala Lumpur Intl to Ontario per day from 1 airline.

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

    According to our current data, China Airlines ($866), STARLUX Airlines ($957), and United Airlines ($1,156) offers the cheapest pricing from Kuala Lumpur Intl Airport to Ontario. These flights start at 10% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Kuala Lumpur Intl Airport to Ontario are STARLUX Airlines ($590), China Airlines ($592), and Qatar Airways ($630).

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Kuala Lumpur Intl Airport to Ontario (average of $246). Flying from Kuala Lumpur Intl Airport to Ontario in March is currently the most expensive (average of $328). 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

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Top airline flying from Kuala Lumpur Intl to Ontario

Discover the top airline that operate flights from Kuala Lumpur Intl to Ontario. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$893Average$931FlexibilityNo cancel feeOn-time70%

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