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Ontario

$474+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
CGK — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Round-trip from

$896
(oojo)

One-way from

$474
(FlightHub)
From Java to Ontario
Search Deals
One-way flight from Java to Ontario
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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 May 1, 2025.

This oojo deal was found by Cheapflights users on 4/29. 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 9/22:40 pmCGK - ONT
1 stop42h 00mChina Airlines
Mon 9/1512:10 amONT - CGK
1 stop23h 25mChina Airlines
Deal found 4/29$896
This Trip.com deal was found by Cheapflights users on 4/30. 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.
Fri 6/612:15 pmCGK - ONT
1 stop18h 50mSTARLUX Airlines
Fri 6/1311:10 pmONT - CGK
1 stop22h 05mSTARLUX Airlines
Deal found 4/30$947
This Trip.com deal was found by Cheapflights users on 4/29. 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.
Tue 9/26:20 amCGK - ONT
2 stops26h 20mMultiple Airlines
Mon 9/1512:10 amONT - CGK
2 stops44h 50mMultiple Airlines
Deal found 4/29$962
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/126:10 amCGK - ONT
2 stops44h 04mUnited Airlines
Wed 6/256:00 amONT - CGK
2 stops57h 05mUnited Airlines
Deal found 4/29$988
This oojo deal was found by Cheapflights users on 4/29. 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 8/1112:55 amCGK - ONT
2 stops31h 09mQatar Airways
Tue 8/266:00 amONT - CGK
2 stops35h 30mQatar Airways
Deal found 4/29$1,780
This oojo deal was found by Cheapflights users on 4/29. 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 9/112:45 amCGK - ONT
2 stops58h 56mEtihad Airways
Tue 9/1611:00 pmONT - CGK
2 stops44h 35mEtihad Airways
Deal found 4/29$2,476
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:00 pmCGK - ONT
2 stops38h 29mKLM
Sat 10/412:00 pmONT - CGK
3 stops40h 15mKLM
Deal found 4/30$3,368

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 May 1, 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

Tue 9/2

2:40 pm-6:40 pm

1 stop42h 00m

Ontario

Mon 9/15

12:10 am-1:35 pm

1 stop23h 25m

$896

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Fri 6/6

12:15 pm-5:05 pm

1 stop18h 50m

Ontario

Fri 6/13

11:10 pm-11:15 am

1 stop22h 05m

$947

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 9/2

6:20 am-6:40 pm

2 stops26h 20m

Ontario

Mon 9/15

12:10 am-11:00 am

2 stops44h 50m

$962

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Thu 6/12

6:10 am-12:14 pm

2 stops44h 04m

Ontario

Wed 6/25

6:00 am-5:05 am

2 stops57h 05m

$988

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Mon 8/11

12:55 am-6:04 pm

2 stops31h 09m

Ontario

Tue 8/26

6:00 am-7:30 am

2 stops35h 30m

$1,780

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Mon 9/1

12:45 am-9:41 pm

2 stops58h 56m

Ontario

Tue 9/16

11:00 pm-9:35 am

2 stops44h 35m

$2,476

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sun 8/31

10:00 pm-10:29 pm

2 stops38h 29m

Ontario

Sat 10/4

12:00 pm-6:15 pm

3 stops40h 15m

$3,368

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Fri 6/6

12:15 pm-5:05 pm

1 stop18h 50m

$474

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Thu 8/14

2:40 pm-6:40 pm

1 stop42h 00m

$564

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 5/7

12:15 pm-10:02 am

2 stops35h 47m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 14 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, August is the cheapest month in which you can book a flight from Java to Ontario (average of $246). Flying from Java 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 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 May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Java to Ontario as you normally would.

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 May 1, 2025.
See what other customers who have flown with STARLUX Airlines, Japan Airlines and China Airlines from Java to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,464 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
KLM
7.8
Good
1,334 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Qatar Airways
7.4
Good
3,563 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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.

  • What are the cheapest airlines to fly from Java to Ontario one-way?

    The cheapest airline one-way is STARLUX Airlines, with whom users have recently found tickets for as low as $474. However, be on the lookout for offers from China Airlines and Japan Airlines, as they are both options that can get you from Java to Ontario for a low price.

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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$784Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$992Average$1,018FlexibilityNo cancel feeOn-time69%

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