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$368+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DPS
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Find 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 October 22, 2025.

This Korean Air deal was found by Cheapflights users on 10/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:35 amONT - CGK
2 stops46h 45mKorean Air
Wed 11/59:50 pmCGK - ONT
2 stops34h 20mKorean Air
Deal found 10/19$705
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 11/35:50 pmONT - CGK
2 stops59h 30mDelta
Tue 11/119:50 pmCGK - ONT
2 stops40h 05mDelta
Deal found 10/22$763
This Korean Air deal was found by Cheapflights users on 10/22. 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.
Wed 10/297:35 amONT - CGK
2 stops46h 45mKorean Air
Tue 11/119:50 pmCGK - ONT
2 stops40h 05mKorean Air
Deal found 10/22$772
This Korean Air deal was found by Cheapflights users on 10/20. 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.
Wed 10/227:35 amONT - CGK
2 stops46h 35mKorean Air
Tue 11/259:50 pmCGK - ONT
2 stops34h 19mKorean Air
Deal found 10/20$808
This ScholarTrip deal was found by Cheapflights users on 10/21. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:45 amONT - DPS
2 stops24h 35mKorean Air
Mon 11/2411:50 pmDPS - ONT
2 stops33h 19mKorean Air
Deal found 10/21$808
This Korean Air deal was found by Cheapflights users on 10/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:45 amONT - DPS
2 stops24h 35mKorean Air
Wed 11/2612:50 amDPS - ONT
2 stops33h 28mKorean Air
Deal found 10/19$813
This Korean Air deal was found by Cheapflights users on 10/21. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:35 amONT - CGK
2 stops46h 45mKorean Air
Tue 11/1111:30 pmCGK - ONT
2 stops32h 39mKorean Air
Deal found 10/21$829
This Korean Air deal was found by Cheapflights users on 10/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:45 amONT - DPS
2 stops24h 35mKorean Air
Mon 12/111:50 pmDPS - ONT
2 stops33h 18mKorean Air
Deal found 10/19$837
This Delta deal was found by Cheapflights users on 10/19. 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.
Sun 11/95:49 pmONT - CGK
2 stops59h 31mDelta
Tue 11/189:50 pmCGK - ONT
2 stops40h 05mDelta
Deal found 10/19$855
This ScholarTrip deal was found by Cheapflights users on 10/22. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:35 amONT - DPS
2 stops24h 45mKorean Air
Fri 11/1412:50 amDPS - ONT
2 stops38h 05mKorean Air
Deal found 10/22$858
This Korean Air deal was found by Cheapflights users on 10/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:45 amONT - DPS
2 stops24h 35mKorean Air
Mon 12/111:50 pmDPS - ONT
2 stops33h 18mKorean Air
Deal found 10/19$861
This Korean Air deal was found by Cheapflights users on 10/19. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:45 amONT - DPS
2 stops24h 35mKorean Air
Thu 11/2712:50 amDPS - ONT
2 stops33h 28mKorean Air
Deal found 10/19$863

Cheap flight deals from Ontario to Indonesia

Keep the following information in mind while searching for Ontario to Indonesia flight deals. Data was last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$705
(Korean Air)

One-way from

$368
(Delta)

Popular in

December

Cheapest in

September

Average price

$896
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. 12% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 22, 2025.
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

Tue 3/17

6:45 am-8:20 pm

2 stops47h 35m

Jakarta Soekarno-Hatta Intl

Tue 3/31

9:50 pm-5:15 pm

2 stops33h 25m

$705

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 2/23

6:45 am-8:20 pm

2 stops46h 35m

Jakarta Soekarno-Hatta Intl

Thu 3/5

9:50 pm-3:20 pm

2 stops32h 30m

$705

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 1/6

6:45 am-11:55 pm

2 stops25h 10m

Denpasar Bali Ngurah Rai

Tue 2/3

11:50 pm-10:38 pm

2 stops38h 48m

$813

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 11/18

6:45 am-11:20 pm

2 stops24h 35m

Denpasar Bali Ngurah Rai

Mon 12/1

11:50 pm-5:08 pm

2 stops33h 18m

$837

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 3/1

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Tue 3/31

2:40 pm-6:00 pm

1 stop41h 20m

$851

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 4/15

6:00 am-11:45 pm

2 stops27h 45m

Jakarta Soekarno-Hatta Intl

Sat 5/2

6:10 am-6:00 pm

2 stops25h 50m

$860

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 11/19

6:45 am-11:20 pm

2 stops24h 35m

Denpasar Bali Ngurah Rai

Mon 12/1

11:50 pm-5:08 pm

2 stops33h 18m

$861

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Sat 11/8

5:50 pm-10:25 pm

2 stops60h 35m

Denpasar Bali Ngurah Rai

Mon 11/17

11:50 pm-10:55 pm

2 stops39h 05m

$865

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 11/3

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Sun 11/16

1:30 am-4:50 pm

1 stop30h 20m

$911

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 11/3

6:38 pm-1:20 pm

2 stops27h 42m

Jakarta Soekarno-Hatta Intl

Mon 11/24

5:25 am-12:37 pm

2 stops22h 12m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 52 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 $980). 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 ID?

Find hourly flight availability from Ontario to Indonesia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Indonesia at noon. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight in the afternoon.

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 October 22, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, China Airlines, and United 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
219 reviews

Comfort

8.9

Overall

8.9

Entertainment

8.8

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very good
219 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Comfort

8.9

Overall

8.9

Entertainment

8.8

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
China Airlines
8.3
Very good
772 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Comfort

8.9

Overall

8.9

Entertainment

8.8

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
United Airlines
7.4
Good
8,988 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Comfort

8.9

Overall

8.9

Entertainment

8.8

Crew

9.2

Boarding

8.9

Food

8.7

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

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, China Airlines, and United Airlines can get you from Ontario to Indonesia in just under 23h 50m. Your travel time can differ by up to 23h 45m. There are 9012 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 - Jakarta Soekarno-Hatta Intl, Ontario - Denpasar Bali Ngurah Rai 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 $980). 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 3 airlines flying from Ontario to Indonesia

Discover the top 3 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$812Average$1,066FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$942Average$1,167FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,015Average$1,029FlexibilityNo cancel feeOn-time69%

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