HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Jakarta

$368+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JKT
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Jakarta 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 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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$705
(Korean Air)

One-way from

$368
(Delta)

Popular in

June

Cheapest in

September

Average price

$803
Provider with most accurate pricing for Ontario-Jakarta (JKT) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Jakarta (JKT) flights.
Search Deals
From Ontario to Jakarta (JKT)
Search Deals
One-way flight from Ontario to Jakarta (JKT)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 23, 2025.

This Korean Air deal was found by Cheapflights users on 10/21. 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 10/287:35 amONT - CGK
2 stops46h 45mKorean Air
Wed 11/59:50 pmCGK - ONT
2 stops34h 20mKorean Air
Deal found 10/21$762
This Delta deal was found by Cheapflights users on 10/22. 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 11/35:50 pmONT - CGK
2 stops59h 30mDelta
Tue 11/119:50 pmCGK - ONT
2 stops40h 05mDelta
Deal found 10/22$763
This Korean Air deal was found by Cheapflights users on 10/22. 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.
Wed 10/297:35 amONT - CGK
2 stops46h 45mKorean Air
Sun 11/99:50 pmCGK - ONT
2 stops34h 19mKorean Air
Deal found 10/22$772
This Korean Air deal was found by Cheapflights users on 10/23. 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 10/287:35 amONT - CGK
2 stops46h 45mKorean Air
Tue 11/119:50 pmCGK - ONT
2 stops34h 19mKorean Air
Deal found 10/23$808
This Delta deal was found by Cheapflights users on 10/23. 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 11/35:50 pmONT - CGK
2 stops59h 30mDelta
Sun 11/99:50 pmCGK - ONT
2 stops40h 05mDelta
Deal found 10/23$809
This Korean Air deal was found by Cheapflights users on 10/21. 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 10/287:35 amONT - CGK
2 stops46h 45mKorean Air
Thu 11/69:50 pmCGK - ONT
2 stops34h 20mKorean Air
Deal found 10/21$865
This Korean Air deal was found by Cheapflights users on 10/22. 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.
Wed 10/297:35 amONT - CGK
2 stops46h 45mKorean Air
Thu 11/69:50 pmCGK - ONT
2 stops34h 20mKorean Air
Deal found 10/22$875
This Korean Air deal was found by Cheapflights users on 10/21. 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 10/287:35 amONT - CGK
2 stops46h 45mKorean Air
Sat 11/89:50 pmCGK - ONT
2 stops34h 19mKorean Air
Deal found 10/21$879
This oojo deal was found by Cheapflights users on 10/21. 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 11/1010:50 pmONT - CGK
1 stop23h 50mChina Airlines
Sun 11/161:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 10/21$901
This Delta deal was found by Cheapflights users on 10/21. 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 10/287:35 amONT - CGK
2 stops46h 45mDelta
Tue 11/119:50 pmCGK - ONT
2 stops40h 05mDelta
Deal found 10/21$906

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 October 23, 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

Tue 3/17

6:45 am-8:20 pm

2 stops47h 35m

Jakarta Soekarno-Hatta Intl

Tue 3/31

9:50 pm-5:15 pm

2 stops33h 25m

$705

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 11/3

11:48 am-8:20 pm

2 stops65h 32m

Jakarta Soekarno-Hatta Intl

Mon 11/10

9:50 pm-11:52 pm

2 stops41h 02m

$763

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 3/1

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Tue 3/31

2:40 pm-6:00 pm

1 stop41h 20m

$851

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 1/18

6:00 am-11:55 pm

2 stops26h 55m

Jakarta Soekarno-Hatta Intl

Mon 2/2

2:15 pm-5:43 pm

2 stops42h 28m

$860

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 4/15

6:00 am-11:45 pm

2 stops27h 45m

Jakarta Soekarno-Hatta Intl

Sat 5/2

6:10 am-6:00 pm

2 stops25h 50m

$860

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 1/13

1:53 pm-6:00 am

2 stops49h 07m

Jakarta Soekarno-Hatta Intl

Wed 2/11

2:15 pm-5:41 pm

2 stops42h 26m

$861

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 1/6

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Thu 1/15

1:30 am-4:50 pm

1 stop30h 20m

$898

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 1/7

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Thu 1/15

1:30 am-4:50 pm

1 stop30h 20m

$898

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 11/12

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Sun 11/16

1:30 am-4:50 pm

1 stop30h 20m

$911

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 11/3

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Sun 11/16

1:30 am-4:50 pm

1 stop30h 20m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 23 results
1
2
3

Compare providers for flights from Ontario to Jakarta

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Jakarta in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Jakarta flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Jakarta flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Jakarta flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Jakarta flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Jakarta flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, November is the cheapest month in which you can book a flight from Ontario to Jakarta (average of $584). Flying from Ontario to Jakarta in June is currently the most expensive (average of $980). 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 October 23, 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 10% 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.

  • How long is the flight from Ontario to Jakarta?

    Airlines like Korean Air, Delta, and China Airlines fly from Ontario to Jakarta in about 23h 50m. The time it takes to get you to your destination can typically vary by up to 41h 42m. There are 9012 mi between Ontario and Jakarta. This flight may include one or multiple stops.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Jakarta (average of $584). Flying from Ontario to Jakarta in June is currently the most expensive (average of $980). 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

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.

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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$812Average$1,066FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$942Average$1,167FlexibilityNo 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.