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$447+ Cheap flights from Java 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
CGK — ONT
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Find flight deals from Java to Ontario

Cheapest flights from Java to Ontario
Explore the most affordable flight options available from Java to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

This Trip.com deal was found by Cheapflights users on 10/8. 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.
Wed 10/2212:15 pmCGK - ONT
1 stop18h 50mSTARLUX Airlines
Fri 10/3110:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 10/8$759
This oojo deal was found by Cheapflights users on 10/9. 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 10/2212:15 pmCGK - ONT
1 stop18h 50mSTARLUX Airlines
Wed 1/79:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 10/9$772
This Gotogate deal was found by Cheapflights users on 10/8. 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.
Wed 12/1012:25 pmCGK - ONT
1 stop19h 05mSTARLUX Airlines
Mon 1/129:45 pmONT - CGK
1 stop22h 40mSTARLUX Airlines
Deal found 10/8$780
This Trip.com deal was found by Cheapflights users on 10/9. 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.
Sun 10/191:30 amCGK - ONT
1 stop30h 30mChina Airlines
Sun 11/210:50 pmONT - CGK
1 stop23h 50mChina Airlines
Deal found 10/9$787
This China Airlines deal was found by Cheapflights users on 10/8. 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 12/91:30 amCGK - ONT
1 stop30h 20mChina Airlines
Mon 1/1210:50 pmONT - CGK
1 stop23h 50mChina Airlines
Deal found 10/8$829
This Gotogate deal was found by Cheapflights users on 10/8. 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.
Fri 10/172:40 pmCGK - ONT
1 stop41h 20mChina Airlines
Tue 10/2811:50 pmONT - CGK
1 stop34h 40mChina Airlines
Deal found 10/8$836
This Gotogate deal was found by Cheapflights users on 10/8. 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 10/301:30 amCGK - ONT
1 stop30h 20mChina Airlines
Sun 11/910:50 pmONT - CGK
1 stop34h 40mChina Airlines
Deal found 10/8$838
This STARLUX Airlines deal was found by Cheapflights users on 10/8. 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 10/8$846
This China Airlines deal was found by Cheapflights users on 10/8. 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.
Thu 11/201:30 amCGK - ONT
1 stop30h 20mChina Airlines
Mon 11/2410:50 pmONT - CGK
1 stop23h 50mChina Airlines
Deal found 10/8$860
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/304:30 pmSUB - ONT
2 stops39h 04mUnited Airlines
Mon 11/36:38 pmONT - SUB
2 stops54h 02mUnited Airlines
Deal found 10/8$1,050
This China Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 10/177:05 amSUB - ONT
2 stops48h 55mChina Airlines
Sun 10/2611:50 pmONT - SUB
2 stops29h 20mChina Airlines
Deal found 10/9$1,097
This China Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 10/307:05 amSUB - ONT
2 stops48h 45mChina Airlines
Mon 11/310:50 pmONT - SUB
2 stops44h 35mChina Airlines
Deal found 10/9$1,247

Cheap flight deals from Java to Ontario

Keep the following information in mind while searching for Java to Ontario flight deals. Data was last updated October 10, 2025.

Round-trip from

$715
(Trip.com)

One-way from

$447
(Trip.com)
From Java to Ontario
Search Deals
One-way flight from Java to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Java 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 October 10, 2025.
Use the filters below to find and compare flights from Java to Ontario that are best for you.

Fly from

Java

Fly to

Ontario

Route

Depart

Return

Price

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 12/10

12:25 pm-4:30 pm

1 stop19h 05m

Ontario

Mon 1/12

9:45 pm-11:25 am

1 stop22h 40m

$780

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 12/9

1:30 am-4:50 pm

1 stop30h 20m

Ontario

Mon 1/12

10:50 pm-1:40 pm

1 stop23h 50m

$829

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sun 12/7

1:30 am-4:50 pm

1 stop30h 20m

Ontario

Mon 1/12

10:50 pm-1:40 pm

1 stop23h 50m

$829

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

$847

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Thu 11/20

1:30 am-4:50 pm

1 stop30h 20m

Ontario

Mon 11/24

10:50 pm-1:40 pm

1 stop23h 50m

$861

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sun 10/19

1:30 am-6:00 pm

1 stop30h 30m

Ontario

Wed 10/29

11:50 pm-1:40 pm

1 stop23h 50m

$874

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Fri 10/24

12:15 pm-5:05 pm

1 stop18h 50m

Ontario

Fri 1/9

9:45 pm-11:25 am

1 stop22h 40m

$900

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Thu 10/23

2:40 pm-6:00 pm

1 stop41h 20m

Ontario

Sat 1/10

10:50 pm-1:40 pm

1 stop23h 50m

$956

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Thu 11/27

1:30 am-4:50 pm

1 stop30h 20m

Ontario

Tue 4/28

12:10 am-12:30 am

1 stop34h 20m

$979

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sun 10/19

1:30 am-6:00 pm

1 stop30h 30m

Ontario

Tue 1/6

10:50 pm-1:40 pm

1 stop23h 50m

$1,008

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 27 results
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Best time to book a flight from Java to Ontario

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

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

Currently, October is the cheapest month in which you can book a flight from Java to Ontario (average of $607). Flying from Java to Ontario in January is currently the most expensive (average of $846). 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 FXH to ONT?

Find hourly flight availability from Java 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 October 10, 2025.

It’s optimal to fly from Java to Ontario at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

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

    For a flight from Java to Ontario, you will be flying into Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Java to Ontario?

    Airlines like STARLUX Airlines, China Airlines, and United Airlines fly from Java to Ontario in about 19h 05m. The time it takes to get you to your destination can typically vary by up to 19h 59m. The distance between Java and Ontario is about 9012 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Java to Ontario (average of $607). Flying from Java to Ontario in January is currently the most expensive (average of $846). 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 Java to Ontario

Discover the top 2 airlines that operate flights from Java 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$784Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$969Average$1,010FlexibilityNo cancel feeOn-time69%

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