Java

$524+ Cheap flights from Ontario (ONT) to Java

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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CGK
Apr 9 — Apr 161
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Java with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Java

Keep the following information in mind while searching for Ontario to Java flight deals. Data was last updated April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$900
(oojo)

One-way from

$524
(Korean Air)

Popular in

June

Cheapest in

September

Average price

$890
Provider with most accurate pricing for Los Angeles-Jakarta (JKT) flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Jakarta (JKT) flights.
From Ontario to Java
One-way flight from Ontario to Java
Highest demand for flights based on searches. 17% potential increase in price ($213 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Ontario to Java

Cheapest flights from Ontario to Java
Explore the most affordable flight options available from Ontario to Java. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

This oojo deal was found by Cheapflights users on 4/3. 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.
Di 9/212:45 amONT - CGK
1 stop33h 45mChina Airlines
Mi 10/12:40 pmCGK - ONT
1 stop41h 20mChina Airlines
Deal found 4/3$900
This Gurufare deal was found by Cheapflights users on 4/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/611:45 pmONT - CGK
1 stop21h 30mSTARLUX Airlines
Fr 8/2212:15 pmCGK - ONT
1 stop19h 25mSTARLUX Airlines
Deal found 4/3$996
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Di 6/36:41 pmONT - CGK
2 stops25h 29mUnited Airlines
Sa 6/216:10 amCGK - ONT
2 stops30h 35mUnited Airlines
Deal found 4/3$1,099
This Priceline deal was found by Cheapflights users on 4/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 8/111:45 pmONT - CGK
1 stop21h 30mMultiple Airlines
Do 8/212:40 pmCGK - ONT
1 stop42h 00mMultiple Airlines
Deal found 4/3$1,193
This Flightnetwork deal was found by Cheapflights users on 4/3. 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.
So 4/2012:10 amONT - SUB
2 stops30h 00mMultiple Airlines
Di 5/68:05 pmSUB - ONT
2 stops35h 55mMultiple Airlines
Deal found 4/3$1,301
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 5/65:30 pmONT - CGK
2 stops60h 40mDelta
Do 7/39:50 pmCGK - ONT
2 stops38h 56mDelta
Deal found 4/3$1,311
This oojo deal was found by Cheapflights users on 4/3. 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.
Mi 4/236:00 amONT - CGK
2 stops35h 30mQatar Airways
Fr 5/96:35 pmCGK - ONT
2 stops39h 54mQatar Airways
Deal found 4/3$1,346
This oojo deal was found by Cheapflights users on 4/3. 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.
So 5/1110:59 pmONT - CGK
2 stops44h 36mEtihad Airways
Di 5/2712:45 amCGK - ONT
2 stops58h 26mEtihad Airways
Deal found 4/3$1,409
This Korean Air deal was found by Cheapflights users on 4/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 7/97:00 amONT - CGK
2 stops47h 10mKorean Air
Mi 7/239:50 pmCGK - ONT
2 stops33h 32mKorean Air
Deal found 4/2$1,514
This oojo deal was found by Cheapflights users on 4/3. 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.
Di 6/36:00 amONT - CGK
2 stops45h 05mJapan Airlines
Di 12/236:35 amCGK - ONT
2 stops23h 37mJapan Airlines
Deal found 4/3$2,007
This FlightHub deal was found by Cheapflights users on 4/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 12/1910:45 pmONT - SUB
2 stops54h 45mChina Airlines
Mo 1/57:05 amSUB - ONT
2 stops48h 45mChina Airlines
Deal found 4/3$2,344

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Java 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 April 4, 2025.
Use the filters below to find and compare flights from Ontario to Java that are best for you.

Fly from

Ontario

Fly to

Java

Route

Depart

Return

Price

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Di 9/2

12:45 am-12:30 am

1 stop33h 45m

Jakarta Soekarno-Hatta Intl

Mi 10/1

2:40 pm-6:00 pm

1 stop41h 20m

$900

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mi 8/6

11:45 pm-11:15 am

1 stop21h 30m

Jakarta Soekarno-Hatta Intl

Fr 8/22

12:15 pm-5:40 pm

1 stop19h 25m

$996

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Di 6/3

6:41 pm-10:10 am

2 stops25h 29m

Jakarta Soekarno-Hatta Intl

Sa 6/21

6:10 am-10:45 pm

2 stops30h 35m

$1,099

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Fr 8/1

11:45 pm-11:15 am

1 stop21h 30m

Jakarta Soekarno-Hatta Intl

Do 8/21

2:40 pm-6:40 pm

1 stop42h 00m

$1,193

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

So 4/20

12:10 am-8:10 pm

2 stops30h 00m

Surabaya Juanda

Di 5/6

8:05 pm-6:00 pm

2 stops35h 55m

$1,301

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Di 5/6

5:30 pm-8:10 pm

2 stops60h 40m

Jakarta Soekarno-Hatta Intl

Do 7/3

9:50 pm-10:46 pm

2 stops38h 56m

$1,311

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mi 4/23

6:00 am-7:30 am

2 stops35h 30m

Jakarta Soekarno-Hatta Intl

Fr 5/9

6:35 pm-8:29 pm

2 stops39h 54m

$1,346

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

So 5/11

10:59 pm-9:35 am

2 stops44h 36m

Jakarta Soekarno-Hatta Intl

Di 5/27

12:45 am-9:11 pm

2 stops58h 26m

$1,409

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mi 7/9

7:00 am-8:10 pm

2 stops47h 10m

Jakarta Soekarno-Hatta Intl

Mi 7/23

9:50 pm-5:22 pm

2 stops33h 32m

$1,514

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Di 6/3

6:00 am-5:05 pm

2 stops45h 05m

Jakarta Soekarno-Hatta Intl

Di 12/23

6:35 am-3:12 pm

2 stops23h 37m

$2,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 19 results
1
2

Best time to book a flight from Ontario to Java

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

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Java (average of $920). Flying from Ontario to Java in June is currently the most expensive (average of $1,488). 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 ONT to FXH?

Find hourly flight availability from Ontario to Java. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 4, 2025.

When flying from Ontario to Java, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Java by month

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

In terms of precipitation, rainfall in Java ranges from 7.0 - 15.1 inches per month. April is typically the wettest month, when rainfall can reach 15.1 in. July is typically the driest time to visit Java when rainfall is around 7.0 in.

Temperature in Java by month

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

If weather is an important factor for your trip to Java, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

Reviews of airlines servicing Java

Get insights into the airlines that provide service to Java. 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 Java. Reviews last updated April 4, 2025.

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
8.0
Very good

Overall

9.1

Comfort

9.0

Boarding

9.0

Food

8.9

Crew

9.3

Entertainment

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Java. 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 from for flights from Ontario to Java?

    If you book a flight to Java from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

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

    One-way options have recently been found by users for as low as $524 on Korean Air. Other airlines that offer cheap prices include United Airlines from $548 and China Airlines from $552 one-way.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Ontario to Java (average of $920). Flying from Ontario to Java in June is currently the most expensive (average of $1,488). 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.

Alternative routes for Ontario to Java

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Ontario to Java

Discover the top 2 airlines that operate flights from Ontario to Java. 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$930Average$1,031FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,015Average$1,029FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.