HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Soekarno-Hatta Intl

$389+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CGK
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Soekarno-Hatta Intl 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 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 23, 2026.

This Delta deal was found by Cheapflights users on 7/19. 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 10/236:00 am
ONT
-
CGK
2 stops28h 45m
Delta
Tue 11/39:50 pm
CGK
-
ONT
2 stops33h 34m
Delta
Deal found 7/19$769
This Korean Air deal was found by Cheapflights users on 7/20. 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 11/167:00 am
ONT
-
CGK
2 stops46h 20m
Korean Air
Tue 12/19:50 pm
CGK
-
ONT
2 stops34h 27m
Korean Air
Deal found 7/20$774
This Expedia deal was found by Cheapflights users on 7/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:20 am
ONT
-
CGK
2 stops28h 25m
Korean Air
Fri 9/112:15 am
CGK
-
ONT
2 stops34h 25m
Korean Air
Deal found 7/22$818
This Delta deal was found by Cheapflights users on 7/22. 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.
Fri 10/236:20 am
ONT
-
CGK
2 stops28h 25m
Delta
Sat 11/149:50 pm
CGK
-
ONT
2 stops39h 53m
Delta
Deal found 7/22$819
This Delta deal was found by Cheapflights users on 7/21. 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.
Sat 8/151:06 pm
ONT
-
CGK
2 stops45h 39m
Delta
Fri 9/42:15 am
CGK
-
ONT
2 stops34h 08m
Delta
Deal found 7/21$824
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 10/26:00 pm
ONT
-
CGK
2 stops40h 45m
Delta
Tue 10/279:50 pm
CGK
-
ONT
2 stops38h 53m
Delta
Deal found 7/23$825
This United Airlines deal was found by Cheapflights users on 7/20. 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 11/106:00 am
ONT
-
CGK
2 stops33h 00m
United Airlines
Wed 12/27:15 am
CGK
-
ONT
2 stops30h 51m
United Airlines
Deal found 7/20$875
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Thu 9/106:08 am
ONT
-
CGK
2 stops32h 57m
United Airlines
Mon 9/146:10 am
CGK
-
ONT
2 stops28h 43m
United Airlines
Deal found 7/19$876
This United Airlines deal was found by Cheapflights users on 7/19. 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 9/49:01 am
ONT
-
CGK
2 stops24h 44m
United Airlines
Sun 9/207:00 am
CGK
-
ONT
2 stops27h 01m
United Airlines
Deal found 7/19$877
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Thu 7/235:00 am
ONT
-
CGK
2 stops28h 45m
United Airlines
Fri 8/146:10 am
CGK
-
ONT
2 stops25h 57m
United Airlines
Deal found 7/19$879
This United Airlines deal was found by Cheapflights users on 7/20. 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 11/156:00 am
ONT
-
CGK
2 stops57h 00m
United Airlines
Wed 12/27:15 am
CGK
-
ONT
2 stops30h 51m
United Airlines
Deal found 7/20$880
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/125:00 am
ONT
-
CGK
2 stops28h 45m
United Airlines
Wed 8/266:10 am
CGK
-
ONT
3 stops26h 06m
United Airlines
Deal found 7/20$883

Find 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$769
(Delta)

One-way from

$389
(Kissandfly.com)

Popular in

June

Cheapest in

March

Average price

$1,253
Provider with most accurate pricing for Ontario-Jakarta Soekarno-Hatta Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Jakarta Soekarno-Hatta Intl flights.
Search Deals
From Ontario to Jakarta Soekarno-Hatta Intl
Search Deals
One-way flight from Ontario to Jakarta Soekarno-Hatta Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 23, 2026.
Use the filters below to find and compare flights from Ontario to Jakarta Soekarno-Hatta Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 9/6

6:00 am-12:45 am

2 stops28h 45m

Jakarta Soekarno-Hatta Intl

Wed 9/9

2:15 am-10:40 pm

2 stops34h 25m

$769

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 9/7

6:20 am-12:45 am

2 stops28h 25m

Jakarta Soekarno-Hatta Intl

Sun 9/20

2:15 am-11:47 pm

2 stops35h 32m

$819

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 9/29

6:00 am-12:45 am

2 stops28h 45m

Jakarta Soekarno-Hatta Intl

Mon 10/12

2:15 am-5:12 pm

2 stops28h 57m

$819

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 8/4

6:00 am-12:45 am

2 stops28h 45m

Jakarta Soekarno-Hatta Intl

Tue 8/25

2:15 am-10:45 pm

2 stops34h 30m

$819

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 8/15

6:20 am-12:45 am

2 stops28h 25m

Jakarta Soekarno-Hatta Intl

Sat 9/5

2:15 am-10:45 pm

2 stops34h 30m

$824

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 11/11

1:52 pm-6:00 am

2 stops49h 08m

Jakarta Soekarno-Hatta Intl

Wed 12/2

7:15 am-11:06 pm

2 stops30h 51m

$875
Quickest round-trip

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 9/15

9:01 am-11:45 pm

2 stops24h 44m

Jakarta Soekarno-Hatta Intl

Thu 4/15

6:10 am-5:47 pm

2 stops25h 37m

$879

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 11/4

6:00 am-11:55 pm

2 stops26h 55m

Jakarta Soekarno-Hatta Intl

Wed 11/11

6:20 am-5:55 pm

2 stops26h 35m

$929

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 11/12

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Thu 11/26

1:00 am-5:05 pm

1 stop31h 05m

$1,156

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 8/15

8:00 am-11:45 pm

2 stops25h 45m

Jakarta Soekarno-Hatta Intl

Sat 9/5

6:10 am-8:01 pm

3 stops27h 51m

$1,162

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Ontario to Soekarno-Hatta Intl

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 Soekarno-Hatta Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
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 Soekarno-Hatta Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Jakarta Soekarno-Hatta Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Jakarta Soekarno-Hatta Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Jakarta Soekarno-Hatta Intl Airport 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 Soekarno-Hatta Intl Airport 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 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, March is the cheapest month in which you can book a flight from Ontario to Jakarta Soekarno-Hatta Intl Airport (average of $615). Flying from Ontario to Jakarta Soekarno-Hatta Intl Airport in June is currently the most expensive (average of $1,483). 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.

How much does it cost to fly round-trip from Ontario to Jakarta Soekarno-Hatta Intl Airport?

Airfare is below average for this route at the moment.

Ontario to Jakarta Soekarno-Hatta Intl Airport flights typically cost between $1,010 and $1,086 in October.
The cheapest round-trip price found within the last 5 days was $769 on Delta (Oct 23-Nov 14).

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 23, 2026.
Get a feel of what it's like to fly with STARLUX Airlines and Korean Air 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
8.8
Very good
362 reviews

Crew

9.1

Boarding

8.9

Overall

8.8

Entertainment

8.7

Comfort

8.8

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
STARLUX Airlines
8.8
Very good
362 reviews
STARLUX Airlines
8.8
Very good
362 reviews

Crew

9.1

Boarding

8.9

Overall

8.8

Entertainment

8.7

Comfort

8.8

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
Korean Air
8.4
Very good
1,221 reviews
STARLUX Airlines
8.8
Very good
362 reviews

Crew

9.1

Boarding

8.9

Overall

8.8

Entertainment

8.7

Comfort

8.8

Food

8.6

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.

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 2 different airlines.

  • How long is the flight from Ontario to Jakarta Soekarno-Hatta Intl Airport?

    For as low as $824, Delta can have you in Jakarta Soekarno-Hatta Intl Airport from Ontario in 28h 25m. The distance between Ontario and Jakarta Soekarno-Hatta Intl Airport is about 9012 mi. This flight may include one or multiple stops.

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

    Korean Air, at $615, was found to be the cheapest airline from Ontario to Jakarta Soekarno-Hatta Intl Airport. An alternate airline flying to your destination would be STARLUX Airlines. Users have found that Korean Air is 39% cheaper than the other options available to this destination.

  • 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, March is the cheapest month in which you can book a flight from Ontario to Jakarta Soekarno-Hatta Intl Airport (average of $615). Flying from Ontario to Jakarta Soekarno-Hatta Intl Airport in June is currently the most expensive (average of $1,483). 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

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.

Alternative routes for Ontario to Soekarno-Hatta Intl

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

Top 2 airlines flying from Ontario to Soekarno-Hatta Intl

Discover the top 2 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$615Average$828FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$812Average$1,029FlexibilityNo cancel feeOn-timeN/A

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.
Site
©2026 Cheapflights