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$392+ Cheap flights from Ontario (ONT) to Indonesia

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DPS
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Ontario to Indonesia

Cheapest flights from Ontario to Indonesia
Explore the most affordable flight options available from Ontario to Indonesia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Korean Air deal was found by Cheapflights users on 1/20. 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 3/166:00 am
ONT
-
CGK
2 stops48h 20m
Korean Air
Wed 3/259:50 pm
CGK
-
ONT
2 stops33h 23m
Korean Air
Deal found 1/20$615
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 9/216:53 pm
ONT
-
CGK
2 stops31h 07m
United Airlines
Thu 9/247:00 am
CGK
-
ONT
2 stops30h 06m
United Airlines
Deal found 1/19$715
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 4/276:49 pm
ONT
-
CGK
2 stops31h 11m
United Airlines
Wed 5/136:10 am
CGK
-
ONT
2 stops25h 42m
United Airlines
Deal found 1/19$718
This United Airlines deal was found by Cheapflights users on 1/20. 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 8/56:00 am
ONT
-
CGK
2 stops27h 45m
United Airlines
Wed 9/26:10 am
CGK
-
ONT
2 stops25h 37m
United Airlines
Deal found 1/20$720
This KAYAK deal was found by Cheapflights users on 1/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 am
ONT
-
CGK
2 stops27h 45m
ANA
Wed 9/306:10 am
CGK
-
ONT
2 stops25h 08m
ANA
Deal found 1/18$721
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 4/111:27 pm
ONT
-
CGK
2 stops44h 18m
United Airlines
Sun 5/39:25 pm
CGK
-
ONT
2 stops39h 34m
United Airlines
Deal found 1/18$723
This Korean Air deal was found by Cheapflights users on 1/18. 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 4/137:30 am
ONT
-
CGK
2 stops46h 40m
Korean Air
Mon 4/209:50 pm
CGK
-
ONT
2 stops33h 25m
Korean Air
Deal found 1/18$755
This Korean Air deal was found by Cheapflights users on 1/18. 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.
Sun 4/126:00 am
ONT
-
CGK
2 stops48h 10m
Korean Air
Tue 4/219:50 pm
CGK
-
ONT
2 stops33h 25m
Korean Air
Deal found 1/18$795
This Korean Air deal was found by Cheapflights users on 1/18. 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 4/137:30 am
ONT
-
CGK
2 stops46h 40m
Korean Air
Thu 4/239:50 pm
CGK
-
ONT
2 stops33h 25m
Korean Air
Deal found 1/18$805
This Delta deal was found by Cheapflights users on 1/18. 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 4/217:30 am
ONT
-
DPS
2 stops47h 40m
Delta
Mon 4/271:10 am
DPS
-
ONT
2 stops31h 05m
Delta
Deal found 1/18$818
This Korean Air deal was found by Cheapflights users on 1/18. 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 4/287:30 am
ONT
-
DPS
2 stops25h 20m
Korean Air
Wed 5/201:10 am
DPS
-
ONT
2 stops31h 06m
Korean Air
Deal found 1/18$823
This United Airlines deal was found by Cheapflights users on 1/18. 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 3/36:10 am
ONT
-
CGK
2 stops32h 50m
United Airlines
Wed 3/252:15 pm
CGK
-
ONT
2 stops46h 42m
United Airlines
Deal found 1/18$824

Find flight deals from Ontario to Indonesia

Keep the following information in mind while searching for Ontario to Indonesia flight deals. Data was last updated January 20, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$615
(Korean Air)

One-way from

$392
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$973
Provider with most accurate pricing for Los Angeles-Denpasar Bali Ngurah Rai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Denpasar Bali Ngurah Rai flights.
Search Deals
From Ontario to Indonesia
Search Deals
One-way flight from Ontario to Indonesia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Indonesia 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 January 20, 2026.
Use the filters below to find and compare flights from Ontario to Indonesia that are best for you.

Fly from

Ontario

Fly to

Indonesia

Route

Depart

Return

Price

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 3/16

6:00 am-8:20 pm

2 stops48h 20m

Jakarta Soekarno-Hatta Intl

Wed 3/25

9:50 pm-10:34 pm

2 stops38h 44m

$615

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 4/13

7:30 am-8:10 pm

2 stops46h 40m

Jakarta Soekarno-Hatta Intl

Wed 4/22

9:50 pm-5:15 pm

2 stops33h 25m

$755

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 4/15

7:30 am-8:10 pm

2 stops46h 40m

Jakarta Soekarno-Hatta Intl

Tue 4/21

9:50 pm-5:15 pm

2 stops33h 25m

$755

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 4/12

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Tue 4/21

9:50 pm-5:15 pm

2 stops33h 25m

$795

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 4/12

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Wed 4/22

9:50 pm-5:15 pm

2 stops33h 25m

$795

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 4/12

6:00 am-8:10 pm

2 stops48h 10m

Jakarta Soekarno-Hatta Intl

Mon 4/20

9:50 pm-5:15 pm

2 stops33h 25m

$795

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 4/16

7:30 am-8:10 pm

2 stops46h 40m

Jakarta Soekarno-Hatta Intl

Thu 4/23

9:50 pm-5:15 pm

2 stops33h 25m

$805

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Mon 3/9

6:00 am-11:55 pm

2 stops26h 55m

Denpasar Bali Ngurah Rai

Sun 3/15

1:20 am-10:34 pm

2 stops36h 14m

$818

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 4/22

7:30 am-11:50 pm

2 stops25h 20m

Denpasar Bali Ngurah Rai

Wed 5/6

1:10 am-5:16 pm

2 stops31h 06m

$823

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 4/29

7:30 am-11:50 pm

2 stops25h 20m

Denpasar Bali Ngurah Rai

Sun 5/24

1:10 am-5:16 pm

2 stops31h 06m

$823

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 45 results
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Best time to book a flight from Ontario to Indonesia

Have a flexible travel schedule? Discover the best time to fly to Indonesia 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 Indonesia

What is the cheapest month to book a flight from Ontario to Indonesia?

Currently, November is the cheapest month in which you can book a flight from Ontario to Indonesia (average of $584). Flying from Ontario to Indonesia in June is currently the most expensive (average of $972). 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.

Reviews of airlines servicing Indonesia

Get insights into the airlines that provide service to Indonesia. 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 Indonesia. Reviews last updated January 20, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines and China Airlines from Ontario to Indonesia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Entertainment

8.8

Overall

8.9

Food

8.6

Crew

9.1

Boarding

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very good
268 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Entertainment

8.8

Overall

8.9

Food

8.6

Crew

9.1

Boarding

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
China Airlines
8.3
Very good
799 reviews
STARLUX Airlines
8.9
Very good
268 reviews

Comfort

8.8

Entertainment

8.8

Overall

8.9

Food

8.6

Crew

9.1

Boarding

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Indonesia. 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 Indonesia?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Indonesia from Ontario.

  • How long is the flight from Ontario to Indonesia?

    Korean Air and Delta can get you from Ontario to Indonesia in just under 26h 55m. Your travel time can differ by up to 21h 25m. There are 8665 mi between Ontario and Indonesia. This flight may include one or multiple stops.

  • What are the most popular routes from Ontario to Indonesia?

    When deciding which route to take from Ontario to Indonesia consider Ontario - Denpasar Bali Ngurah Rai, Ontario - Jakarta Soekarno-Hatta Intl or Ontario - Surabaya Juanda as they are the most popular.

  • Can I find deals for flights from Ontario to Indonesia that include hotel bookings?

    Yes. In addition to deals on Ontario to Indonesia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Indonesia?

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

  • Can I find deals for business class flights from Ontario to Indonesia?

    Yes. Cheapflights offers flight deals from Ontario to Indonesia 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 Indonesia?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Indonesia (average of $584). Flying from Ontario to Indonesia in June is currently the most expensive (average of $972). 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

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Top 2 airlines flying from Ontario to Indonesia

Discover the top 2 airlines that operate flights from Ontario to Indonesia. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$705Average$1,091FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$880Average$1,040FlexibilityNo cancel feeOn-time70%

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