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Soekarno-Hatta Intl

$403+ Cheap flights from Ontario (ONT) to Soekarno-Hatta Intl, Indonesia (CGK)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CGK
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheap flight deals from Ontario to Soekarno-Hatta Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Soekarno-Hatta Intl (CGK). 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 28, 2025.

Round-trip from

$771
(Delta)

One-way from

$403
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$1,286
From Ontario to Jakarta Soekarno-Hatta Intl
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One-way flight from Ontario to Jakarta Soekarno-Hatta Intl
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Highest demand for flights based on searches. 14% potential increase in price ($190 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 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 Soekarno-Hatta Intl

Cheapest flights from Ontario to Soekarno-Hatta Intl
Explore the most affordable flight options available from Ontario to Soekarno-Hatta Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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 10/216:00 amONT - CGK
2 stops48h 10mDelta
Mon 11/179:50 pmCGK - ONT
2 stops34h 27mDelta
Deal found 7/28$771
This oojo deal was found by Cheapflights users on 7/27. 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.
Wed 9/1711:10 pmONT - CGK
1 stop22h 05mSTARLUX Airlines
Wed 10/1512:15 pmCGK - ONT
1 stop18h 50mSTARLUX Airlines
Deal found 7/27$864
This oojo deal was found by Cheapflights users on 7/27. 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 9/1612:10 amONT - CGK
1 stop34h 20mChina Airlines
Tue 10/141:30 amCGK - ONT
1 stop30h 30mChina Airlines
Deal found 7/27$885
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amONT - CGK
2 stops48h 10mMultiple Airlines
Wed 11/2612:25 pmCGK - ONT
1 stop18h 25mMultiple Airlines
Deal found 7/27$914
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 9/246:50 pmONT - CGK
2 stops44h 15mUnited Airlines
Sun 9/289:25 pmCGK - ONT
2 stops39h 27mUnited Airlines
Deal found 7/25$943

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Soekarno-Hatta Intl 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 28, 2025.
Use the filters below to find and compare flights from Ontario to Jakarta Soekarno-Hatta Intl Airport that are best for you.

Fly from

Ontario

Fly to

Soekarno-Hatta Intl

Route

Depart

Return

Price

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 10/21

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Mon 11/17

9:50 pm-5:17 pm

2 stops34h 27m

$771

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 9/17

11:10 pm-11:15 am

1 stop22h 05m

Jakarta Soekarno-Hatta Intl

Wed 10/15

12:15 pm-5:05 pm

1 stop18h 50m

$864

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 9/16

12:10 am-12:30 am

1 stop34h 20m

Jakarta Soekarno-Hatta Intl

Tue 10/14

1:30 am-6:00 pm

1 stop30h 30m

$885

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 9/3

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Wed 11/26

12:25 pm-3:50 pm

1 stop18h 25m

$914

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-10:52 pm

2 stops39h 27m

$943

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 8/27

6:00 am-8:10 pm

2 stops48h 10m

$403

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 8/13

6:00 am-8:10 pm

2 stops48h 10m

$414

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 10/1

11:10 pm-11:15 am

1 stop22h 05m

$500

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 9/16

6:00 am-11:55 pm

2 stops27h 55m

$514

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 9/30

12:10 am-12:30 am

1 stop34h 20m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 14 results
1
2

Best time to book a flight from Ontario to Soekarno-Hatta Intl

Have a flexible travel schedule? Discover the best time to fly to Soekarno-Hatta Intl 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 Soekarno-Hatta Intl Airport

What is the cheapest month to book a flight from Ontario to Jakarta Soekarno-Hatta Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Ontario to Jakarta Soekarno-Hatta Intl Airport (average of $919). Flying from Ontario to Jakarta Soekarno-Hatta Intl Airport in June is currently the most expensive (average of $1,358). 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 CGK?

Find hourly flight availability from Ontario to Soekarno-Hatta Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

When flying from Ontario to Jakarta Soekarno-Hatta Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 7% versus a flight at noon.

Reviews of airlines servicing Soekarno-Hatta Intl

Get insights into the airlines that provide service to Soekarno-Hatta Intl. 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 Soekarno-Hatta Intl. Reviews last updated July 28, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, Korean Air, and Japan Airlines from Ontario to Jakarta Soekarno-Hatta Intl Airport 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
9.0
Wonderful
197 reviews

Food

8.8

Overall

9.0

Crew

9.2

Entertainment

9.0

Comfort

8.9

Boarding

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
9.0
Wonderful
197 reviews
STARLUX Airlines
9.0
Wonderful
197 reviews

Food

8.8

Overall

9.0

Crew

9.2

Entertainment

9.0

Comfort

8.9

Boarding

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
1,117 reviews
STARLUX Airlines
9.0
Wonderful
197 reviews

Food

8.8

Overall

9.0

Crew

9.2

Entertainment

9.0

Comfort

8.9

Boarding

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.
Japan Airlines
8.3
Very good
1,535 reviews
STARLUX Airlines
9.0
Wonderful
197 reviews

Food

8.8

Overall

9.0

Crew

9.2

Entertainment

9.0

Comfort

8.9

Boarding

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
754 reviews
STARLUX Airlines
9.0
Wonderful
197 reviews

Food

8.8

Overall

9.0

Crew

9.2

Entertainment

9.0

Comfort

8.9

Boarding

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.
Delta
8.0
Very good
7,975 reviews
STARLUX Airlines
9.0
Wonderful
197 reviews

Food

8.8

Overall

9.0

Crew

9.2

Entertainment

9.0

Comfort

8.9

Boarding

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 Ontario to Soekarno-Hatta Intl. 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 Soekarno-Hatta Intl?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Jakarta Soekarno-Hatta Intl from Ontario. Booking flights from Ontario (ONT) to Jakarta Soekarno-Hatta Intl should be relatively easy as there are 0 daily outbound flights to Jakarta Soekarno-Hatta Intl from 3 different airlines.

  • What are the cheapest airlines flying from Ontario to Jakarta Soekarno-Hatta Intl Airport round-trip?

    Delta, at $771, was found to be the cheapest airline from Ontario to Jakarta Soekarno-Hatta Intl Airport.Alternate airlines to your destination round-trip include STARLUX Airlines and China Airlines. Users have found that Delta is 28% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Ontario to Jakarta Soekarno-Hatta Intl Airport one-way?

    The cheapest airline one-way is Korean Air, with whom users have recently found tickets for as low as $403. However, be on the lookout for offers from Delta and STARLUX Airlines, as they are both options that can get you from Ontario to Jakarta Soekarno-Hatta Intl Airport for a low price.

  • Can I find deals for flights from Ontario to Soekarno-Hatta Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to Soekarno-Hatta Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Soekarno-Hatta Intl?

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

  • Can I find deals for business class flights from Ontario to Soekarno-Hatta Intl?

    Yes. Cheapflights offers flight deals from Ontario to Soekarno-Hatta Intl 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 Soekarno-Hatta Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Jakarta Soekarno-Hatta Intl Airport (average of $919). Flying from Ontario to Jakarta Soekarno-Hatta Intl Airport in June is currently the most expensive (average of $1,358). 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 Soekarno-Hatta Intl Airport?

Book flights to Jakarta Soekarno-Hatta Intl Airport if you plan to visit one of these locations
Bogor

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Top 3 airlines flying from Ontario to Soekarno-Hatta Intl

Discover the top 3 airlines that operate flights from Ontario to Soekarno-Hatta Intl. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$705Average$1,111FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$933Average$1,039FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,015Average$1,029FlexibilityNo cancel feeOn-time69%

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