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Jakarta

$448+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — JKT
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$771
(Delta)

One-way from

$448
(oojo)

Popular in

June

Cheapest in

September

Average price

$1,074
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 ($159 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 July 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 July 2, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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 9/226:00 amONT - CGK
2 stops48h 10mDelta
Mon 10/279:50 pmCGK - ONT
2 stops38h 52mDelta
Deal found 7/2$771
This Korean Air deal was found by Cheapflights users on 7/1. 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 9/226:00 amONT - CGK
2 stops48h 10mKorean Air
Tue 10/289:50 pmCGK - ONT
2 stops33h 27mKorean Air
Deal found 7/1$776
This oojo deal was found by Cheapflights users on 6/30. 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.
Tue 8/1212:45 amONT - CGK
1 stop22h 50mChina Airlines
Tue 9/91:30 amCGK - ONT
1 stop31h 10mChina Airlines
Deal found 6/30$885
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/246:50 pmONT - CGK
2 stops44h 15mUnited Airlines
Sun 9/289:25 pmCGK - ONT
2 stops34h 15mUnited Airlines
Deal found 7/1$944
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/411:45 pmONT - CGK
1 stop21h 30mSTARLUX Airlines
Fri 8/1512:15 pmCGK - ONT
1 stop19h 25mSTARLUX Airlines
Deal found 6/30$981
This Trip.com deal was found by Cheapflights users on 6/30. 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.
Sat 11/2210:45 pmONT - CGK
1 stop23h 55mMultiple Airlines
Sat 12/1312:25 pmCGK - ONT
1 stop18h 25mMultiple Airlines
Deal found 6/30$1,030

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 July 2, 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 9/22

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Mon 10/27

9:50 pm-10:42 pm

2 stops38h 52m

$771

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 9/22

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Tue 10/28

9:50 pm-5:17 pm

2 stops33h 27m

$776

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 8/12

12:45 am-1:35 pm

1 stop22h 50m

Jakarta Soekarno-Hatta Intl

Tue 9/9

1:30 am-6:40 pm

1 stop31h 10m

$885

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 9/24

6:50 pm-5:05 am

2 stops44h 15m

Jakarta Soekarno-Hatta Intl

Sun 9/28

9:25 pm-5:40 pm

2 stops34h 15m

$944

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 8/4

11:45 pm-11:15 am

1 stop21h 30m

Jakarta Soekarno-Hatta Intl

Fri 8/15

12:15 pm-5:40 pm

1 stop19h 25m

$981

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 11/22

10:45 pm-1:40 pm

1 stop23h 55m

Jakarta Soekarno-Hatta Intl

Sat 12/13

12:25 pm-3:50 pm

1 stop18h 25m

$1,030

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 8/26

6:00 am-5:05 pm

2 stops45h 05m

$448

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 8/9

4:45 pm-8:10 pm

2 stops61h 25m

$517

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 8/16

12:45 am-1:35 pm

1 stop22h 50m

$519

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 8/16

12:45 am-11:30 pm

2 stops32h 45m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 16 results
1
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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 $920). Flying from Ontario to Jakarta in June is currently the most expensive (average of $1,361). 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 July 2, 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.

Reviews of airlines servicing Jakarta

Get insights into the airlines that provide service to Jakarta. 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 Jakarta. Reviews last updated July 2, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, and Korean Air from Ontario to Jakarta by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

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
189 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

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.
EVA Air
8.4
Very good
1,214 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

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
1,101 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

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.
Japan Airlines
8.3
Very good
1,505 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

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
747 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

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 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 $448 on Japan Airlines. Other airlines that offer cheap prices include Delta from $517 and China Airlines from $519 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 $920). Flying from Ontario to Jakarta in June is currently the most expensive (average of $1,361). 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 Ontario?

Book flights to Ontario 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$705Average$1,066FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$933Average$1,038FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,015Average$1,029FlexibilityNo cancel feeOn-time69%

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