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$391+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DPS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/255:05 amONT - CGK
2 stops27h 50mUnited Airlines
Fri 1/96:20 amCGK - ONT
2 stops26h 23mUnited Airlines
Deal found 12/16$720
This Korean Air deal was found by Cheapflights users on 12/16. 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 12/316:38 amONT - DPS
2 stops25h 17mKorean Air
Wed 1/2811:50 pmDPS - ONT
2 stops30h 06mKorean Air
Deal found 12/16$1,198
This Korean Air deal was found by Cheapflights users on 12/16. 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 12/316:38 amONT - DPS
2 stops25h 17mKorean Air
Thu 1/291:20 amDPS - ONT
2 stops28h 36mKorean Air
Deal found 12/16$1,228
This Delta deal was found by Cheapflights users on 12/16. 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 12/305:49 pmONT - DPS
2 stops60h 36mDelta
Wed 1/281:20 amDPS - ONT
2 stops37h 31mDelta
Deal found 12/16$1,302
This China Airlines deal was found by Cheapflights users on 12/16. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:50 pmONT - CGK
1 stop23h 50mChina Airlines
Sun 1/111:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 12/16$1,539
This China Airlines deal was found by Cheapflights users on 12/16. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:50 pmONT - CGK
1 stop23h 50mChina Airlines
Sun 1/111:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 12/16$1,564
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/276:39 pmONT - CGK
2 stops37h 46mUnited Airlines
Sun 1/119:45 pmCGK - ONT
2 stops34h 58mUnited Airlines
Deal found 12/16$1,619
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/2910:42 amONT - DPS
2 stops57h 08mUnited Airlines
Wed 1/288:15 pmDPS - ONT
2 stops37h 28mUnited Airlines
Deal found 12/16$1,620
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2710:42 amONT - CGK
2 stops46h 13mUnited Airlines
Thu 1/82:15 pmCGK - ONT
2 stops36h 03mUnited Airlines
Deal found 12/17$1,729
This China Airlines deal was found by Cheapflights users on 12/16. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:50 pmONT - CGK
1 stop34h 40mChina Airlines
Sun 1/111:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 12/16$1,759
This oojo deal was found by Cheapflights users on 12/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:50 pmONT - CGK
1 stop23h 50mChina Airlines
Thu 1/81:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 12/18$1,771
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Sun 12/2810:50 pmONT - CGK
1 stop23h 50mChina Airlines
Thu 1/81:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 12/16$1,828

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 December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$723
(United Airlines)

One-way from

$391
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,562
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. 10% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

Mon 1/26

1:53 pm-4:15 pm

2 stops59h 22m

Jakarta Soekarno-Hatta Intl

Tue 2/3

6:20 am-8:58 pm

2 stops29h 38m

$723

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 4/20

1:34 pm-11:45 pm

2 stops44h 11m

Jakarta Soekarno-Hatta Intl

Thu 4/30

2:30 pm-5:47 pm

2 stops41h 17m

$731

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 1/20

7:30 am-8:20 pm

2 stops45h 50m

Jakarta Soekarno-Hatta Intl

Tue 1/27

9:50 pm-10:51 pm

2 stops40h 01m

$749

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 1/22

6:00 am-8:20 pm

2 stops47h 20m

Jakarta Soekarno-Hatta Intl

Tue 1/27

9:50 pm-10:51 pm

2 stops40h 01m

$769

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 1/22

7:30 am-8:20 pm

2 stops45h 50m

Jakarta Soekarno-Hatta Intl

Thu 1/29

9:50 pm-10:51 pm

2 stops40h 01m

$799

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Mon 3/16

6:00 am-11:55 pm

2 stops26h 55m

Denpasar Bali Ngurah Rai

Wed 3/25

1:20 am-10:34 pm

2 stops36h 14m

$817

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 1/28

7:30 am-11:55 pm

2 stops24h 25m

Denpasar Bali Ngurah Rai

Mon 2/9

1:20 am-11:58 pm

2 stops38h 38m

$817

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Mon 2/2

6:00 am-11:55 pm

2 stops25h 55m

Denpasar Bali Ngurah Rai

Sun 2/8

1:20 am-10:44 pm

2 stops37h 24m

$817

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 2/3

7:30 am-11:55 pm

2 stops24h 25m

Denpasar Bali Ngurah Rai

Tue 2/10

1:20 am-10:44 pm

2 stops37h 24m

$817

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 3/17

6:00 am-11:55 pm

2 stops26h 55m

Denpasar Bali Ngurah Rai

Wed 3/25

11:50 pm-10:34 pm

2 stops37h 44m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 53 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 $986). 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 December 18, 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 December 18, 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
245 reviews

Food

8.7

Boarding

8.9

Entertainment

8.8

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very good
245 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Boarding

8.9

Entertainment

8.8

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
China Airlines
8.3
Very good
792 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Boarding

8.9

Entertainment

8.8

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
United Airlines
7.4
Good
9,091 reviews
STARLUX Airlines
8.9
Very good
245 reviews

Food

8.7

Boarding

8.9

Entertainment

8.8

Crew

9.2

Overall

8.9

Comfort

8.8

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

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?

    United Airlines, Delta, and Korean Air can get you from Ontario to Indonesia in just under 26h 55m. Your travel time can differ by up to 32h 27m. 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 $986). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$812Average$1,091FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$880Average$1,231FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,015Average$1,029FlexibilityNo cancel feeOn-time69%

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