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$568+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
JKT — ONT
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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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 June 18, 2025.

Round-trip from

$913
(Bravofly)

One-way from

$568
(STARLUX Airlines)

Popular in

July

Cheapest in

September

Average price

$912
From Jakarta (JKT) to Ontario
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One-way flight from Jakarta (JKT) to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 18, 2025.

This Bravofly deal was found by Cheapflights users on 6/16. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:40 pmCGK - ONT
1 stop42h 00mChina Airlines
Sun 8/1712:45 amONT - CGK
1 stop22h 50mChina Airlines
Deal found 6/16$913
This United Airlines deal was found by Cheapflights users on 6/15. 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 10/219:25 pmCGK - ONT
2 stops34h 15mUnited Airlines
Tue 12/26:00 amONT - CGK
2 stops33h 00mUnited Airlines
Deal found 6/15$964
This Trip.com deal was found by Cheapflights users on 6/16. 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 7/1612:15 pmCGK - ONT
1 stop19h 25mSTARLUX Airlines
Wed 7/2311:45 pmONT - CGK
1 stop21h 30mSTARLUX Airlines
Deal found 6/16$998
This Gotogate deal was found by Cheapflights users on 6/16. 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.
Tue 8/122:40 pmCGK - ONT
1 stop42h 00mMultiple Airlines
Mon 8/1811:45 pmONT - CGK
1 stop21h 30mMultiple Airlines
Deal found 6/16$1,128
This Qatar Airways deal was found by Cheapflights users on 6/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:55 amCGK - ONT
2 stops31h 35mQatar Airways
Wed 11/1911:39 amONT - CGK
2 stops36h 31mQatar Airways
Deal found 6/16$1,270
This Etihad Airways deal was found by Cheapflights users on 6/18. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1612:45 amCGK - ONT
2 stops35h 14mEtihad Airways
Sun 9/710:56 pmONT - CGK
2 stops44h 39mEtihad Airways
Deal found 6/18$1,645
This KLM deal was found by Cheapflights users on 6/17. 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.
Mon 8/47:30 pmCGK - ONT
3 stops40h 57mKLM
Sun 8/179:50 amONT - CGK
3 stops42h 25mKLM
Deal found 6/17$2,071
This Korean Air deal was found by Cheapflights users on 6/16. 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.
Sat 11/89:50 pmCGK - ONT
2 stops34h 27mKorean Air
Sat 12/136:45 amONT - CGK
2 stops46h 30mKorean Air
Deal found 6/16$2,322

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 June 18, 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

Tue 8/12

2:40 pm-6:40 pm

1 stop42h 00m

Ontario

Sun 8/17

12:45 am-1:35 pm

1 stop22h 50m

$913

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 10/21

9:25 pm-5:40 pm

2 stops34h 15m

Ontario

Tue 12/2

6:00 am-6:00 am

2 stops33h 00m

$964

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 7/16

12:15 pm-5:40 pm

1 stop19h 25m

Ontario

Wed 7/23

11:45 pm-11:15 am

1 stop21h 30m

$998

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 8/12

2:40 pm-6:40 pm

1 stop42h 00m

Ontario

Mon 8/18

11:45 pm-11:15 am

1 stop21h 30m

$1,128

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 10/21

12:55 am-6:30 pm

2 stops31h 35m

Ontario

Wed 11/19

11:39 am-3:10 pm

2 stops36h 31m

$1,270

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 7/16

12:45 am-9:59 pm

2 stops35h 14m

Ontario

Sun 9/7

10:56 pm-9:35 am

2 stops44h 39m

$1,645

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Mon 8/4

7:30 pm-10:27 pm

3 stops40h 57m

Ontario

Sun 8/17

9:50 am-6:15 pm

3 stops42h 25m

$2,071

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Sat 11/8

9:50 pm-5:17 pm

2 stops34h 27m

Ontario

Sat 12/13

6:45 am-8:15 pm

2 stops46h 30m

$2,322

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Wed 6/25

12:15 pm-5:05 pm

1 stop18h 50m

$568

JakartaOntario

CGK - ONT

CGKONT

Jakarta Soekarno-Hatta Intl

Tue 8/19

2:40 pm-6:40 pm

1 stop42h 00m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 15 results
1
2

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

Find hourly flight availability from Jakarta 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 June 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Jakarta to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.

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 June 18, 2025.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air and China Airlines from Jakarta to Ontario. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

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
9.1
Wonderful
180 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

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.
Korean Air
8.4
Very good
1,090 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

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
742 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

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
1,363 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

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
3,590 reviews
STARLUX Airlines
9.1
Wonderful
180 reviews

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

Boarding

9.0

Entertainment

9.0

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

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.

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

    To fly one-way, consider booking your trip with STARLUX Airlines, which is currently one of the cheapest options available, starting at $568. China Airlines flights start at $583 while deals on United Airlines start at $751 one-way.

  • 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, August is the cheapest month in which you can book a flight from Jakarta to Ontario (average of $246). Flying from Jakarta 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 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$784Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$969Average$1,010FlexibilityNo cancel feeOn-time69%

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