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$437+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
JKT — ONT
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
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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 November 24, 2025.

This United Airlines deal was found by Cheapflights users on 11/23. 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 12/26:20 amCGK - ONT
2 stops26h 17mUnited Airlines
Mon 3/26:00 amONT - CGK
2 stops26h 55mUnited Airlines
Deal found 11/23$1,116
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/46:20 amCGK - ONT
2 stops26h 17mUnited Airlines
Wed 3/46:00 amONT - CGK
2 stops26h 55mUnited Airlines
Deal found 11/23$1,157
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/46:20 amCGK - ONT
2 stops26h 17mUnited Airlines
Sun 1/256:00 amONT - CGK
2 stops26h 55mUnited Airlines
Deal found 11/23$1,222
This United Airlines deal was found by Cheapflights users on 11/23. 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 12/46:20 amCGK - ONT
2 stops20h 58mUnited Airlines
Tue 3/176:37 pmONT - CGK
2 stops25h 38mUnited Airlines
Deal found 11/23$1,228
This oojo deal was found by Cheapflights users on 11/23. 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 12/312:20 amCGK - ONT
2 stops38h 09mQatar Airways
Wed 3/412:02 pmONT - CGK
2 stops28h 13mQatar Airways
Deal found 11/23$1,337
This oojo deal was found by Cheapflights users on 11/23. 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 12/312:20 amCGK - ONT
2 stops38h 09mQatar Airways
Sun 1/2511:53 amONT - CGK
2 stops28h 22mQatar Airways
Deal found 11/23$1,362
This Mytrip deal was found by Cheapflights users on 11/24. 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.
Thu 12/187:05 amCGK - ONT
2 stops24h 45mMultiple Airlines
Wed 1/79:45 pmONT - CGK
1 stop22h 40mMultiple Airlines
Deal found 11/24$1,364
This STARLUX Airlines deal was found by Cheapflights users on 11/23. 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 12/1912:25 pmCGK - ONT
1 stop18h 25mSTARLUX Airlines
Mon 1/269:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 11/23$1,547
This oojo deal was found by Cheapflights users on 11/23. 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 12/236:20 pmCGK - ONT
2 stops44h 54mQatar Airways
Wed 12/316:00 amONT - CGK
2 stops34h 15mQatar Airways
Deal found 11/23$1,739
This oojo deal was found by Cheapflights users on 11/23. 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.
Mon 12/221:30 amCGK - ONT
1 stop30h 20mChina Airlines
Wed 12/3110:50 pmONT - CGK
1 stop23h 50mChina Airlines
Deal found 11/23$1,814

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 November 24, 2025.

Round-trip from

$792
(STARLUX Airlines)

One-way from

$437
(Trip.com)

Popular in

July

Cheapest in

September

Average price

$890
From Jakarta (JKT) to Ontario
Search Deals
One-way flight from Jakarta (JKT) to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 24, 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 3/11

12:25 pm-4:50 pm

1 stop18h 25m

Ontario

Fri 3/20

10:45 pm-11:25 am

1 stop22h 40m

$792

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sun 5/10

1:30 am-6:00 pm

1 stop30h 30m

Ontario

Sun 5/17

12:10 am-12:30 am

1 stop34h 20m

$829

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sun 5/10

1:30 am-6:00 pm

1 stop30h 30m

Ontario

Mon 5/25

12:10 am-1:35 pm

1 stop23h 25m

$836

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Thu 4/23

1:30 am-6:00 pm

1 stop30h 30m

Ontario

Fri 5/1

12:10 am-1:35 pm

1 stop23h 25m

$836

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 3/11

12:25 pm-4:50 pm

1 stop18h 25m

Ontario

Wed 3/25

10:45 pm-11:25 am

1 stop22h 40m

$844

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 3/11

12:25 pm-4:50 pm

1 stop18h 25m

Ontario

Mon 3/23

10:45 pm-11:25 am

1 stop22h 40m

$844

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 1/27

7:15 am-10:53 pm

2 stops30h 38m

Ontario

Sun 2/15

6:00 am-6:00 am

2 stops57h 00m

$968

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sat 3/14

12:25 pm-4:50 pm

1 stop18h 25m

Ontario

Mon 3/23

10:45 pm-11:25 am

1 stop22h 40m

$986

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 2/18

12:25 pm-3:50 pm

1 stop18h 25m

$444

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 2/17

1:30 am-4:50 pm

1 stop30h 20m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

Showing 1-10 of 18 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, October is the cheapest month in which you can book a flight from Jakarta to Ontario (average of $596). Flying from Jakarta to Ontario in July is currently the most expensive (average of $741). 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.

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.

  • How long is the flight from Jakarta to Ontario?

    Departing from Jakarta to Ontario will take you 18h 25m. Jakarta and Ontario are separated by a distance of 9012 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, October is the cheapest month in which you can book a flight from Jakarta to Ontario (average of $596). Flying from Jakarta to Ontario in July is currently the most expensive (average of $741). 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

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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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$784Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$969Average$1,275FlexibilityNo cancel feeOn-time69%

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