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$548+ Cheap flights from Jakarta, Indonesia (JKT) 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
JKT — ONT
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Jakarta to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Jakarta (JKT) 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 August 16, 2025.

Round-trip from

$803
(STARLUX Airlines)

One-way from

$548
(China Airlines)

Popular in

July

Cheapest in

September

Average price

$877
From Jakarta (JKT) to Ontario
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One-way flight from Jakarta (JKT) to Ontario
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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Jakarta to Ontario

Cheapest flights from Jakarta to Ontario
Explore the most affordable flight options available from Jakarta to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This STARLUX Airlines deal was found by Cheapflights users on 8/13. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:25 pmCGK - ONT
1 stop19h 05mSTARLUX Airlines
Wed 1/149:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 8/13$803
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:25 pmCGK - ONT
1 stop19h 05mSTARLUX Airlines
Fri 1/29:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 8/14$833
This STARLUX Airlines deal was found by Cheapflights users on 8/13. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:25 pmCGK - ONT
1 stop19h 05mSTARLUX Airlines
Mon 1/129:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 8/13$856
This STARLUX Airlines deal was found by Cheapflights users on 8/14. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:25 pmCGK - ONT
1 stop19h 05mSTARLUX Airlines
Wed 12/319:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 8/14$857
This Gotogate deal was found by Cheapflights users on 8/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/212:40 pmCGK - ONT
1 stop42h 00mChina Airlines
Tue 9/212:45 amONT - CGK
1 stop22h 50mChina Airlines
Deal found 8/15$908
This STARLUX Airlines deal was found by Cheapflights users on 8/14. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:25 pmCGK - ONT
1 stop19h 05mSTARLUX Airlines
Fri 1/29:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 8/14$910
This Booking.com deal was found by Cheapflights users on 8/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:30 amCGK - ONT
1 stop31h 10mChina Airlines
Mon 9/2912:10 amONT - CGK
1 stop23h 25mChina Airlines
Deal found 8/15$913
This STARLUX Airlines deal was found by Cheapflights users on 8/13. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:25 pmCGK - ONT
1 stop19h 05mSTARLUX Airlines
Mon 11/249:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 8/13$917
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/222:40 pmCGK - ONT
1 stop42h 00mChina Airlines
Mon 9/1512:10 amONT - CGK
1 stop23h 25mChina Airlines
Deal found 8/14$921
This China Airlines deal was found by Cheapflights users on 8/15. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:40 pmCGK - ONT
1 stop42h 00mChina Airlines
Wed 9/2412:10 amONT - CGK
1 stop23h 25mChina Airlines
Deal found 8/15$928

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jakarta 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 August 16, 2025.
Use the filters below to find and compare flights from Jakarta to Ontario that are best for you.

Fly from

Jakarta

Fly to

Ontario

Route

Depart

Return

Price

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 12/24

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Mon 1/5

9:45 pm-11:25 am

1 stop22h 40m

$803

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 12/24

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Wed 12/31

9:45 pm-11:25 am

1 stop22h 40m

$803

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 12/24

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Fri 1/2

9:45 pm-11:25 am

1 stop22h 40m

$833

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sat 12/27

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Mon 1/5

9:45 pm-11:25 am

1 stop22h 40m

$857

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sat 12/27

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Wed 12/31

9:45 pm-11:25 am

1 stop22h 40m

$857

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sat 12/27

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Fri 1/2

9:45 pm-11:25 am

1 stop22h 40m

$910

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sun 8/31

1:30 am-6:40 pm

1 stop31h 10m

Ontario

Mon 9/29

12:10 am-1:35 pm

1 stop23h 25m

$913

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Fri 11/21

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Mon 11/24

9:45 pm-11:25 am

1 stop22h 40m

$913

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 8/26

2:40 pm-6:40 pm

1 stop42h 00m

Ontario

Wed 9/24

12:10 am-1:35 pm

1 stop23h 25m

$928

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Fri 12/26

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Wed 12/31

9:45 pm-11:25 am

1 stop22h 40m

$948

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 19 results
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Best time to book a flight from Jakarta to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Jakarta 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 Jakarta to Ontario

What is the cheapest month to book a flight from Jakarta to Ontario?

Currently, August is the cheapest month in which you can book a flight from Jakarta to Ontario (average of $246). Flying from Jakarta 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.

What is the cheapest time of day to fly from JKT to ONT?

Find hourly flight availability from Jakarta to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Jakarta to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Jakarta 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 Jakarta?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Jakarta to Ontario. 2 airlines have flights to Ontario from Jakarta on a regular basis. Booking flights from Jakarta to Ontario should not be difficult; the airport handles an average of 0 inbound flights from Jakarta per day.

  • Can I find deals for flights from Jakarta to Ontario that include hotel bookings?

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

  • How can I find direct flights from Jakarta to Ontario?

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

  • Can I find deals for business class flights from Jakarta to Ontario?

    Yes. Cheapflights offers flight deals from Jakarta 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 Jakarta to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Jakarta to Ontario (average of $246). Flying from Jakarta 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Jakarta to Ontario

Discover the top 2 airlines that operate flights from Jakarta 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$784Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$969Average$1,010FlexibilityNo cancel feeOn-time69%

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