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Jakarta

$395+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JKT
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
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Cheap 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 May 27, 2026.

This Delta deal was found by Cheapflights users on 5/25. 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.
Thu 8/66:20 am
ONT
-
CGK
2 stops28h 25m
Delta
Mon 9/282:15 am
CGK
-
ONT
2 stops34h 25m
Delta
Deal found 5/25$739
This Korean Air deal was found by Cheapflights users on 5/22. 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.
Mon 7/276:20 am
ONT
-
CGK
2 stops28h 25m
Korean Air
Sun 8/162:15 am
CGK
-
ONT
2 stops29h 06m
Korean Air
Deal found 5/22$744
This Delta deal was found by Cheapflights users on 5/25. 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 8/296:00 am
ONT
-
CGK
2 stops28h 45m
Delta
Mon 9/282:15 am
CGK
-
ONT
2 stops34h 25m
Delta
Deal found 5/25$754
This Korean Air deal was found by Cheapflights users on 5/22. 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.
Sat 7/256:20 am
ONT
-
CGK
2 stops28h 25m
Korean Air
Sun 8/162:15 am
CGK
-
ONT
2 stops29h 06m
Korean Air
Deal found 5/22$759
This Delta deal was found by Cheapflights users on 5/25. 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 10/46:00 am
ONT
-
CGK
2 stops28h 45m
Delta
Thu 10/152:15 am
CGK
-
ONT
2 stops29h 02m
Delta
Deal found 5/25$769
This Korean Air deal was found by Cheapflights users on 5/26. 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 7/256:20 am
ONT
-
CGK
2 stops28h 25m
Korean Air
Tue 8/112:15 am
CGK
-
ONT
2 stops29h 06m
Korean Air
Deal found 5/26$774
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Wed 8/196:00 am
ONT
-
CGK
2 stops33h 05m
United Airlines
Mon 8/317:00 am
CGK
-
ONT
2 stops29h 59m
United Airlines
Deal found 5/26$874
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am
ONT
-
CGK
2 stops27h 45m
United Airlines
Fri 9/117:00 am
CGK
-
ONT
2 stops27h 01m
United Airlines
Deal found 5/22$877
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
ONT
-
CGK
2 stops33h 05m
United Airlines
Tue 8/117:00 am
CGK
-
ONT
2 stops43h 12m
United Airlines
Deal found 5/22$879
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Fri 8/216:00 am
ONT
-
CGK
2 stops27h 45m
United Airlines
Mon 9/76:10 am
CGK
-
ONT
2 stops27h 51m
United Airlines
Deal found 5/24$880
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Sun 7/196:00 am
ONT
-
CGK
2 stops27h 45m
United Airlines
Mon 8/109:25 pm
CGK
-
ONT
2 stops52h 47m
United Airlines
Deal found 5/26$882
This United Airlines deal was found by Cheapflights users on 5/25. 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 9/299:39 am
ONT
-
CGK
2 stops29h 26m
United Airlines
Sun 2/289:45 pm
CGK
-
ONT
2 stops29h 35m
United Airlines
Deal found 5/25$883

Find 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 May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$739
(Delta)

One-way from

$395
(Delta)

Popular in

December

Cheapest in

September

Average price

$874
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. 7% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 27, 2026.
Use the filters below to find and compare flights from Ontario to Jakarta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 8/11

6:20 am-12:45 am

2 stops28h 25m

Jakarta Soekarno-Hatta Intl

Sun 9/27

2:15 am-10:40 pm

2 stops34h 25m

$739

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 7/28

6:20 am-12:45 am

2 stops28h 25m

Jakarta Soekarno-Hatta Intl

Sat 8/15

2:15 am-5:21 pm

2 stops29h 06m

$759

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 8/19

6:00 am-5:05 am

2 stops33h 05m

Jakarta Soekarno-Hatta Intl

Mon 8/31

7:00 am-10:59 pm

2 stops29h 59m

$874

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 7/20

6:20 am-12:45 am

2 stops28h 25m

Jakarta Soekarno-Hatta Intl

Sun 8/2

2:15 am-5:21 pm

2 stops29h 06m

$1,024

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 7/29

6:20 am-12:45 am

2 stops28h 25m

Jakarta Soekarno-Hatta Intl

Thu 8/13

2:15 am-5:21 pm

2 stops29h 06m

$1,024

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 7/19

6:20 am-12:45 am

2 stops28h 25m

Jakarta Soekarno-Hatta Intl

Fri 7/31

2:15 am-5:21 pm

2 stops29h 06m

$1,039

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 7/9

6:20 am-12:45 am

2 stops28h 25m

Jakarta Soekarno-Hatta Intl

Thu 7/23

2:15 am-10:43 pm

2 stops34h 28m

$1,044

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 7/19

6:00 am-11:45 pm

2 stops27h 45m

Jakarta Soekarno-Hatta Intl

Sun 8/2

7:00 am-12:12 pm

2 stops43h 12m

$1,163

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Fri 8/7

1:50 pm-11:45 pm

2 stops43h 55m

Jakarta Soekarno-Hatta Intl

Sun 8/16

7:00 am-12:12 pm

2 stops43h 12m

$1,169
Quickest round-trip

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 8/9

12:45 am-1:35 pm

1 stop22h 50m

Jakarta Soekarno-Hatta Intl

Tue 9/29

1:00 am-6:00 pm

1 stop31h 00m

$1,280

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/24

Showing 1-10 of 23 resultsSorted by cheapest first
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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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 $559). Flying from Ontario to Jakarta in December is currently the most expensive (average of $1,227). 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.

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 2 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 Delta, Korean Air, and United Airlines fly from Ontario to Jakarta in about 28h 25m. The time it takes to get you to your destination can typically vary by up to 4h 40m. There are 9012 mi between Ontario and Jakarta. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Ontario to Jakarta round-trip?

    Cheapflights users have booked flights from Ontario to Jakarta round-trip from $615. Another airline that can offer you cheap pricing is STARLUX Airlines.

  • 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 $559). Flying from Ontario to Jakarta in December is currently the most expensive (average of $1,227). 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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Alternative routes for Ontario to Jakarta

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Soekarno-Hatta Intl flights
Ontario to Soekarno-Hatta Intl flights

Top 2 airlines flying from Ontario to Jakarta

Discover the top 2 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 May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$615Average$828FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$812Average$1,103FlexibilityNo cancel feeOn-timeN/A

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