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$559+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
KUL — ONT
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
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 June 15, 2025.

Round-trip from

$914
(Trip.com)

One-way from

$559
(Trip.com)

Popular in

July

Cheapest in

September

Average price

$891
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. 3% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($7 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 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 June 15, 2025.

This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/32:35 pmKUL - ONT
1 stop18h 15mChina Airlines
Tue 11/1110:45 pmONT - KUL
1 stop22h 30mChina Airlines
Deal found 6/12$914
This Flightnetwork deal was found by Cheapflights users on 6/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/155:10 pmKUL - ONT
1 stop38h 55mSTARLUX Airlines
Sat 6/2811:10 pmONT - KUL
1 stop26h 00mSTARLUX Airlines
Deal found 6/14$940
This Mytrip deal was found by Cheapflights users on 6/14. 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 6/142:15 amKUL - ONT
2 stops30h 45mMultiple Airlines
Fri 6/2712:10 amONT - KUL
2 stops26h 05mMultiple Airlines
Deal found 6/14$1,007
This United Airlines deal was found by Cheapflights users on 6/13. 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 6/162:15 pmKUL - ONT
2 stops42h 24mUnited Airlines
Wed 6/256:00 amONT - KUL
2 stops33h 00mUnited Airlines
Deal found 6/13$1,162
This Qatar Airways deal was found by Cheapflights users on 6/14. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/272:55 amKUL - ONT
2 stops30h 02mQatar Airways
Sat 7/56:00 amONT - KUL
2 stops34h 50mQatar Airways
Deal found 6/14$2,038
This Etihad Airways deal was found by Cheapflights users on 6/15. 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.
Wed 9/39:50 amKUL - ONT
2 stops50h 39mEtihad Airways
Mon 9/1510:56 pmONT - KUL
2 stops42h 14mEtihad Airways
Deal found 6/15$2,648
This British Airways deal was found by Cheapflights users on 6/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1110:50 pmKUL - ONT
2 stops32h 16mBritish Airways
Sat 8/164:54 pmONT - KUL
2 stops33h 26mBritish Airways
Deal found 6/14$7,946

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 June 15, 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 11/3

2:35 pm-4:50 pm

1 stop18h 15m

Ontario

Tue 11/11

10:45 pm-1:15 pm

1 stop22h 30m

$914

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Sat 6/28

7:15 am-5:58 pm

2 stops25h 43m

Ontario

Sat 7/5

6:39 pm-1:50 pm

2 stops28h 11m

$1,224

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Fri 6/27

2:55 am-5:57 pm

2 stops30h 02m

Ontario

Sat 7/5

6:00 am-7:50 am

2 stops34h 50m

$2,038

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Wed 9/3

9:50 am-9:29 pm

2 stops50h 39m

Ontario

Mon 9/15

10:56 pm-8:10 am

2 stops42h 14m

$2,648

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Sat 6/28

2:15 am-12:13 am

2 stops36h 58m

Ontario

Sun 7/6

12:00 pm-10:35 am

2 stops31h 35m

$7,080

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Mon 8/11

10:50 pm-4:06 pm

2 stops32h 16m

Ontario

Sat 8/16

4:54 pm-5:20 pm

2 stops33h 26m

$7,946

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Wed 9/17

2:45 pm-6:00 pm

1 stop18h 15m

$559

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Wed 9/17

7:15 am-6:00 pm

2 stops25h 45m

$593

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Thu 6/26

5:10 pm-5:05 pm

1 stop38h 55m

$648

Kuala LumpurOntario

KUL - ONT

KULONT

Kuala Lumpur Intl

Mon 6/30

2:15 pm-5:43 pm

2 stops42h 28m

$800

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 13 results
1
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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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 15, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air and China Airlines from Kuala Lumpur to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Food

8.8

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

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
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Food

8.8

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

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
1,091 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Food

8.8

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

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
740 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Food

8.8

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

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
3,586 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Food

8.8

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

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.
Etihad Airways
7.4
Good
1,212 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Food

8.8

Comfort

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

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 ($914), United Airlines ($1,224), and Qatar Airways ($2,038) offers the cheapest pricing from Kuala Lumpur Intl Airport to Ontario.

  • 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 China Airlines ($559), STARLUX Airlines ($648), and United Airlines ($800).

  • 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 June 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$893Average$931FlexibilityNo cancel feeOn-time70%

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