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Jakarta

$417+ Cheap flights from Ontario (ONT) to Jakarta, Indonesia (JKT)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JKT
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Ontario to Jakarta

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Jakarta (JKT). 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 August 14, 2025.

Round-trip from

$770
(Delta)

One-way from

$417
(Korean Air)

Popular in

June

Cheapest in

September

Average price

$806
From Ontario to Jakarta (JKT)
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One-way flight from Ontario to Jakarta (JKT)
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Highest demand for flights based on searches. 14% potential increase in price ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Ontario to Jakarta

Cheapest flights from Ontario to Jakarta
Explore the most affordable flight options available from Ontario to Jakarta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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.
Mon 9/86:00 amONT - CGK
2 stops48h 10mDelta
Wed 9/249:50 pmCGK - ONT
2 stops38h 50mDelta
Deal found 8/13$770
This Korean Air deal was found by Cheapflights users on 8/14. 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.
Thu 10/306:37 amONT - CGK
2 stops47h 38mKorean Air
Tue 11/189:50 pmCGK - ONT
2 stops34h 27mKorean Air
Deal found 8/14$775
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 8/266:05 amONT - CGK
2 stops48h 05mDelta
Wed 10/19:50 pmCGK - ONT
2 stops39h 52mDelta
Deal found 8/14$802
This Delta deal was found by Cheapflights users on 8/13. 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.
Sun 10/56:00 amONT - CGK
2 stops48h 10mDelta
Mon 11/39:50 pmCGK - ONT
2 stops34h 20mDelta
Deal found 8/13$807
This Korean Air deal was found by Cheapflights users on 8/13. 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 10/46:00 amONT - CGK
2 stops48h 10mKorean Air
Tue 10/289:50 pmCGK - ONT
2 stops33h 20mKorean Air
Deal found 8/13$812
This Delta deal was found by Cheapflights users on 8/14. 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.
Sat 10/256:37 amONT - CGK
2 stops47h 38mDelta
Mon 11/249:50 pmCGK - ONT
2 stops34h 27mDelta
Deal found 8/14$828
This Korean Air deal was found by Cheapflights users on 8/13. 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 10/46:00 amONT - CGK
2 stops48h 10mKorean Air
Sun 11/29:50 pmCGK - ONT
2 stops34h 20mKorean Air
Deal found 8/13$833
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 8/266:00 amONT - CGK
2 stops48h 10mDelta
Fri 10/39:50 pmCGK - ONT
2 stops38h 51mDelta
Deal found 8/14$842
This Delta deal was found by Cheapflights users on 8/13. 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.
Sun 10/56:00 amONT - CGK
2 stops48h 10mDelta
Thu 10/309:50 pmCGK - ONT
2 stops37h 30mDelta
Deal found 8/13$843
This Delta deal was found by Cheapflights users on 8/14. 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.
Sat 8/3011:40 amONT - CGK
2 stops66h 30mDelta
Wed 10/19:50 pmCGK - ONT
2 stops39h 52mDelta
Deal found 8/14$845
This Korean Air deal was found by Cheapflights users on 8/13. 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.
Tue 10/286:37 amONT - CGK
2 stops47h 38mKorean Air
Thu 11/209:50 pmCGK - ONT
2 stops34h 27mKorean Air
Deal found 8/13$847
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 10/31:15 pmONT - CGK
2 stops64h 55mDelta
Wed 10/299:50 pmCGK - ONT
2 stops38h 51mDelta
Deal found 8/13$848

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Jakarta 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 August 14, 2025.
Use the filters below to find and compare flights from Ontario to Jakarta that are best for you.

Fly from

Ontario

Fly to

Jakarta

Route

Depart

Return

Price

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 9/8

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Wed 9/24

9:50 pm-10:40 pm

2 stops38h 50m

$770

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 10/28

6:37 am-8:15 pm

2 stops47h 38m

Jakarta Soekarno-Hatta Intl

Tue 11/18

9:50 pm-5:17 pm

2 stops34h 27m

$770

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 10/29

6:37 am-8:15 pm

2 stops47h 38m

Jakarta Soekarno-Hatta Intl

Tue 11/18

9:50 pm-10:42 pm

2 stops39h 52m

$770

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 10/27

6:00 am-8:15 pm

2 stops48h 15m

Jakarta Soekarno-Hatta Intl

Tue 11/18

9:50 pm-10:42 pm

2 stops39h 52m

$770

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 10/29

6:37 am-8:15 pm

2 stops47h 38m

Jakarta Soekarno-Hatta Intl

Wed 11/19

9:50 pm-5:17 pm

2 stops34h 27m

$775

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 10/6

6:37 am-8:10 pm

2 stops47h 33m

Jakarta Soekarno-Hatta Intl

Mon 11/3

9:50 pm-5:10 pm

2 stops34h 20m

$775

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 8/27

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Tue 9/30

9:50 pm-5:00 pm

2 stops33h 10m

$775

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 10/29

6:37 am-8:15 pm

2 stops47h 38m

Jakarta Soekarno-Hatta Intl

Mon 11/24

9:50 pm-5:17 pm

2 stops34h 27m

$775

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 10/28

6:37 am-8:15 pm

2 stops47h 38m

Jakarta Soekarno-Hatta Intl

Mon 11/24

9:50 pm-5:17 pm

2 stops34h 27m

$775

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 10/30

6:37 am-8:15 pm

2 stops47h 38m

Jakarta Soekarno-Hatta Intl

Sun 11/23

9:50 pm-5:17 pm

2 stops34h 27m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 23 results
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Best time to book a flight from Ontario to Jakarta

Have a flexible travel schedule? Discover the best time to fly to Jakarta 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 Jakarta

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Jakarta (average of $916). Flying from Ontario to Jakarta in June is currently the most expensive (average of $1,360). 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 JKT?

Find hourly flight availability from Ontario to Jakarta. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

One of the essential ways to save on airfare from Ontario to Jakarta is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 3% on airfare.

Related info for your journey

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

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Jakarta. You should not have trouble finding flights to Jakarta from Ontario; the airport handles an average of 0 outbound flights to Jakarta per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Ontario airport to Jakarta. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

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

    One-way options have recently been found by users for as low as $417 on Korean Air. Other airlines that offer cheap prices include STARLUX Airlines from $499 and China Airlines from $516 one-way.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Ontario to Jakarta (average of $916). Flying from Ontario to Jakarta in June is currently the most expensive (average of $1,360). 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

Traveling to a place near Jakarta?

Book flights to Jakarta if you plan to visit one of these locations
Bogor

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Top 3 airlines flying from Ontario to Jakarta

Discover the top 3 airlines that operate flights from Ontario to Jakarta. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$900Average$1,091FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$933Average$1,041FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,015Average$1,029FlexibilityNo cancel feeOn-time69%

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