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 $484. However, be on the lookout for offers from China Airlines and United Airlines, as they are both options that can get you from Java to Ontario for a low price.

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.

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).

How far in advance should I book a flight from Java to Ontario?

Find a great deal and save up to 22% by booking at least 56 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Java to Ontario within the next two weeks, with the cheapest ticket starting at $723.

What is the cheapest month to fly from Java to Ontario?

September can be a great time to fly to Ontario from Java with a flight ticket averaging about $906. Cheapflights users have found deals in the month of September for as cheap as $663. The most expensive prices can be found in the month of July.

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.

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.

$484+ Flights from Java to Ontario

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Cheap flight deals from Java to Ontario

Round-trip from	$852 (STARLUX Airlines)
One-way from	$484 (oojo)

From Java to Ontario

Search Deals

One-way flight from Java to Ontario

Search Deals

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 August 4, 2025.

Fri 11/2112:25 pmCGK - ONT

1 stop18h 25mSTARLUX Airlines

Mon 11/249:45 pmONT - CGK

1 stop22h 40mSTARLUX Airlines

Deal found 8/1

$852

Tue 8/191:30 amCGK - ONT

1 stop31h 10mChina Airlines

Sat 8/3012:45 amONT - CGK

1 stop22h 50mChina Airlines

Deal found 8/2

$884

Tue 8/267:00 amCGK - ONT

2 stops43h 13mUnited Airlines

Thu 9/251:53 pmONT - CGK

2 stops49h 12mUnited Airlines

Deal found 8/3

$961

Mon 12/157:00 pmCGK - ONT

2 stops35h 12mSingapore Airlines

Thu 1/811:30 amONT - CGK

2 stops40h 55mSingapore Airlines

Deal found 8/2

$1,019

Tue 8/191:30 amCGK - ONT

1 stop31h 10mMultiple Airlines

Sun 8/316:00 amONT - CGK

2 stops48h 10mMultiple Airlines

Deal found 8/2

$1,025

Sun 8/315:10 amSUB - ONT

2 stops51h 30mMultiple Airlines

Sat 9/612:45 amONT - SUB

2 stops28h 25mMultiple Airlines

Deal found 8/3

$1,090

Thu 10/3010:15 amSUB - ONT

2 stops45h 19mUnited Airlines

Mon 11/31:40 pmONT - SUB

2 stops61h 35mUnited Airlines

Deal found 8/1

$1,102

Sun 9/2112:55 amCGK - ONT

2 stops37h 08mQatar Airways

Wed 11/266:00 amONT - CGK

2 stops34h 15mQatar Airways

Deal found 8/2

$1,255

Tue 8/267:30 pmCGK - ONT

3 stops41h 10mKLM

Thu 9/2511:55 amONT - CGK

3 stops40h 20mKLM

Deal found 8/2

$2,043

Sat 8/1612:45 amCGK - ONT

2 stops35h 25mEtihad Airways

Sun 8/2411:59 pmONT - CGK

2 stops43h 36mEtihad Airways

Deal found 8/3

$2,701

Best flights from Java to Ontario
Discover carefully curated flight deals from Java to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2025.

Fri 11/2112:25 pmCGK - ONT

1 stop18h 25mSTARLUX Airlines

Mon 11/249:45 pmONT - CGK

1 stop22h 40mSTARLUX Airlines

Deal found 8/1

$852

Tue 8/191:30 amCGK - ONT

1 stop31h 10mChina Airlines

Sat 8/3012:45 amONT - CGK

1 stop22h 50mChina Airlines

Deal found 8/2

$884

Tue 8/267:00 amCGK - ONT

2 stops43h 13mUnited Airlines

Thu 9/251:53 pmONT - CGK

2 stops49h 12mUnited Airlines

Deal found 8/3

$961

Mon 12/157:00 pmCGK - ONT

2 stops35h 12mSingapore Airlines

Thu 1/811:30 amONT - CGK

2 stops40h 55mSingapore Airlines

Deal found 8/2

$1,019

Tue 8/191:30 amCGK - ONT

1 stop31h 10mMultiple Airlines

Sun 8/316:00 amONT - CGK

2 stops48h 10mMultiple Airlines

Deal found 8/2

$1,025

Sun 9/2112:55 amCGK - ONT

2 stops37h 08mQatar Airways

Wed 11/266:00 amONT - CGK

2 stops34h 15mQatar Airways

Deal found 8/2

$1,255

Tue 8/267:30 pmCGK - ONT

3 stops41h 10mKLM

Thu 9/2511:55 amONT - CGK

3 stops40h 20mKLM

Deal found 8/2

$2,043

Sun 8/315:10 amSUB - ONT

2 stops51h 30mMultiple Airlines

Sat 9/612:45 amONT - SUB

2 stops28h 25mMultiple Airlines

Deal found 8/3

$1,090

Thu 10/3010:15 amSUB - ONT

2 stops45h 19mUnited Airlines

Mon 11/31:40 pmONT - SUB

2 stops61h 35mUnited Airlines

Deal found 8/1

$1,102

Sat 8/1612:45 amCGK - ONT

2 stops35h 25mEtihad Airways

Sun 8/2411:59 pmONT - CGK

2 stops43h 36mEtihad Airways

Deal found 8/3

$2,701

Last-minute flights from Java to Ontario
Discover last-minute flight deals from Java to Ontario. Data last updated August 4, 2025 and is based on user searches.

Fri 8/86:10 amCGK - ONT

2 stops25h 15mUnited Airlines

Tue 8/196:00 amONT - CGK

2 stops27h 45mUnited Airlines

Deal found 8/2

$4,074

Fri 8/82:40 pmCGK - ONT

1 stop42h 00mChina Airlines

Mon 8/1812:45 amONT - CGK

1 stop22h 50mChina Airlines

Deal found 8/2

$5,640

Sat 8/1612:45 amCGK - ONT

2 stops35h 25mEtihad Airways

Sun 8/2411:59 pmONT - CGK

2 stops43h 36mEtihad Airways

Deal found 8/3

$2,701

Tue 8/191:30 amCGK - ONT

1 stop31h 10mChina Airlines

Sat 8/3012:45 amONT - CGK

1 stop22h 50mChina Airlines

Deal found 8/2

$884

Wed 8/2012:15 pmCGK - ONT

1 stop19h 25mMultiple Airlines

Sun 8/316:00 amONT - CGK

2 stops48h 10mMultiple Airlines

Deal found 8/2

$1,022

Mon 8/2512:55 amCGK - ONT

2 stops31h 29mQatar Airways

Thu 9/2511:39 amONT - CGK

2 stops37h 56mQatar Airways

Deal found 8/2

$2,503

Tue 8/267:00 amCGK - ONT

2 stops43h 13mUnited Airlines

Thu 9/251:53 pmONT - CGK

2 stops49h 12mUnited Airlines

Deal found 8/3

$961

Tue 8/267:30 pmCGK - ONT

3 stops41h 10mKLM

Thu 9/2511:55 amONT - CGK

3 stops40h 20mKLM

Deal found 8/2

$2,043

Tue 8/266:35 amCGK - ONT

3 stops30h 13mAmerican Airlines

Thu 9/2511:59 pmONT - CGK

2 stops33h 56mAmerican Airlines

Deal found 8/3

$5,022

Sun 8/315:10 amSUB - ONT

2 stops51h 30mMultiple Airlines

Sat 9/612:45 amONT - SUB

2 stops28h 25mMultiple Airlines

Deal found 8/3

$1,090

Sun 8/3110:10 amSUB - ONT

2 stops40h 03mUnited Airlines

Sun 9/71:42 pmONT - SUB

2 stops38h 33mUnited Airlines

Deal found 8/3

$5,600

One-way flights from Java to Ontario
Search for one-way flight options from Java to Ontario. Find affordable one-way fares based on user searches. Data last updated August 4, 2025.

Sat 9/612:15 pmCGK - ONT

1 stop18h 50mSTARLUX Airlines

Deal found 8/2

$484

Sun 9/142:40 pmCGK - ONT

1 stop42h 00mChina Airlines

Deal found 8/2

$565

Tue 9/308:05 pmCGK - ONT

3 stops35h 55mMultiple Airlines

Deal found 8/2

$599

Sun 8/249:25 pmCGK - ONT

2 stops34h 12mUnited Airlines

Deal found 8/2

$743

Wed 11/512:20 amCGK - ONT

2 stops35h 33mQatar Airways

Deal found 8/1

$752

Mon 9/2212:45 amCGK - ONT

2 stops58h 44mEtihad Airways

Deal found 8/2

$845

Sun 1/46:30 pmSUB - ONT

2 stops37h 20mChina Airlines

Deal found 8/2

$1,009

Sat 1/37:05 amSUB - ONT

2 stops23h 45mMultiple Airlines

Deal found 8/2

$1,034

Fly from

Fly to

Route

Depart

Return

Price

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Fri 11/21

12:25 pm-3:50 pm

1 stop18h 25m

Ontario

Mon 11/24

9:45 pm-11:25 am

1 stop22h 40m

$852

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 8/19

1:30 am-6:40 pm

1 stop31h 10m

Ontario

Sat 8/30

12:45 am-1:35 pm

1 stop22h 50m

$884

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 8/26

7:00 am-12:13 pm

2 stops43h 13m

Ontario

Thu 9/25

1:53 pm-5:05 am

2 stops49h 12m

$961

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Mon 12/15

7:00 pm-3:12 pm

2 stops35h 12m

Ontario

Thu 1/8

11:30 am-7:25 pm

2 stops40h 55m

$1,019

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 8/19

1:30 am-6:40 pm

1 stop31h 10m

Ontario

Sun 8/31

6:00 am-8:10 pm

2 stops48h 10m

$1,025

SurabayaOntario

SUB - ONT

SUBONT

Surabaya Juanda

Sun 8/31

5:10 am-6:40 pm

2 stops51h 30m

Ontario

Sat 9/6

12:45 am-7:10 pm

2 stops28h 25m

$1,090

SurabayaOntario

SUB - ONT

SUBONT

Surabaya Juanda

Thu 10/30

10:15 am-5:34 pm

2 stops45h 19m

Ontario

Mon 11/3

1:40 pm-6:15 pm

2 stops61h 35m

$1,102

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sun 9/21

12:55 am-12:03 am

2 stops37h 08m

Ontario

Wed 11/26

6:00 am-7:15 am

2 stops34h 15m

$1,255

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 8/26

7:30 pm-10:40 pm

3 stops41h 10m

Ontario

Thu 9/25

11:55 am-6:15 pm

3 stops40h 20m

$2,043

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sat 8/16

12:45 am-10:10 pm

2 stops35h 25m

Ontario

Sun 8/24

11:59 pm-9:35 am

2 stops43h 36m

$2,701

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

Showing 1-10 of 18 results

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?

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.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown STARLUX Airlines, China Airlines, and Singapore Airlines from Java to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

STARLUX Airlines

9.0

Wonderful

199 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

China Airlines

8.3

Very good

757 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Singapore Airlines

8.1

Very good

1,339 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

KLM

7.8

Good

1,383 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Qatar Airways

7.4

Good

3,608 reviews

STARLUX Airlines

9.0

Wonderful

199 reviews

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

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 $484. However, be on the lookout for offers from China Airlines and United 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

Top 2 airlines flying from Java to Ontario

Airline	Cheapest	Average	Flexibility	On-time
China Airlines	Cheapest$784	Average$846	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$969	Average$1,010	FlexibilityNo cancel fee	On-time69%

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$484+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Java to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 August 4, 2025.

Round-trip from

One-way from

Find flight deals from Java to Ontario

Cheapest flights from Java to OntarioExplore 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 August 4, 2025.

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 August 4, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Java to Ontario that are best for you.

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.

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?

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 August 4, 2025.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown STARLUX Airlines, China Airlines, and Singapore Airlines from Java to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

How can I find direct flights from Java to Ontario?

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

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

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 Java to Ontario

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

Top 2 airlines flying from Java to Ontario

100% Free

Book with Flexibility

Travel Smart

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 August 4, 2025.