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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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DPS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

This Korean Air deal was found by Cheapflights users on 11/12. 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.
Thu 11/276:45 amONT - CGK
2 stops46h 35mKorean Air
Wed 12/39:50 pmCGK - ONT
2 stops34h 18mKorean Air
Deal found 11/12$775
This Kissandfly.com deal was found by Cheapflights users on 11/12. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:45 amONT - DPS
2 stops24h 35mKorean Air
Wed 12/101:20 amDPS - ONT
2 stops31h 47mKorean Air
Deal found 11/12$810
This United Airlines deal was found by Cheapflights users on 11/13. 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 11/309:35 pmONT - CGK
2 stops35h 20mUnited Airlines
Fri 5/296:10 amCGK - ONT
2 stops44h 10mUnited Airlines
Deal found 11/13$840
This ScholarTrip deal was found by Cheapflights users on 11/11. 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.
Tue 11/256:45 amONT - DPS
2 stops24h 35mKorean Air
Mon 12/112:50 amDPS - ONT
2 stops32h 18mKorean Air
Deal found 11/11$844
This Korean Air deal was found by Cheapflights users on 11/12. 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 11/246:45 amONT - DPS
2 stops24h 35mKorean Air
Sun 12/281:20 amDPS - ONT
2 stops31h 48mKorean Air
Deal found 11/12$849
This oojo deal was found by Cheapflights users on 11/11. 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 11/2610:50 pmONT - CGK
1 stop23h 50mChina Airlines
Tue 12/161:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 11/11$859
This oojo deal was found by Cheapflights users on 11/11. 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.
Thu 11/2710:50 pmONT - CGK
1 stop23h 50mChina Airlines
Thu 3/261:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 11/11$860
This oojo deal was found by Cheapflights users on 11/13. 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.
Thu 11/2710:50 pmONT - CGK
1 stop23h 50mChina Airlines
Sun 12/71:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 11/13$865
This oojo deal was found by Cheapflights users on 11/13. 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.
Sun 11/3010:50 pmONT - CGK
1 stop23h 50mChina Airlines
Thu 5/281:30 amCGK - ONT
1 stop30h 30mChina Airlines
Deal found 11/13$866
This oojo deal was found by Cheapflights users on 11/12. 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.
Thu 11/2710:50 pmONT - CGK
1 stop23h 50mChina Airlines
Tue 12/21:30 amCGK - ONT
1 stop30h 20mChina Airlines
Deal found 11/12$877
This Korean Air deal was found by Cheapflights users on 11/12. 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 11/246:45 amONT - DPS
2 stops24h 35mKorean Air
Sat 12/271:20 amDPS - ONT
2 stops31h 48mKorean Air
Deal found 11/12$882
This Korean Air deal was found by Cheapflights users on 11/12. 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.
Fri 11/286:45 amONT - DPS
2 stops24h 35mKorean Air
Sun 12/281:20 amDPS - ONT
2 stops31h 48mKorean Air
Deal found 11/12$899

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 November 13, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$714
(United Airlines)

One-way from

$391
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$910
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 ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 13, 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

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Sun 4/26

11:00 am-3:40 pm

2 stops38h 40m

Surabaya Juanda

Sun 5/17

7:10 pm-12:20 pm

2 stops31h 10m

$716

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 4/25

11:00 am-1:35 pm

2 stops60h 35m

Jakarta Soekarno-Hatta Intl

Wed 4/29

2:30 pm-5:47 pm

2 stops41h 17m

$724

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 11/27

6:45 am-8:20 pm

2 stops46h 35m

Jakarta Soekarno-Hatta Intl

Wed 12/3

9:50 pm-5:08 pm

2 stops34h 18m

$775

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 5/9

12:10 am-1:35 pm

1 stop23h 25m

Jakarta Soekarno-Hatta Intl

Sun 6/7

2:40 pm-6:00 pm

1 stop41h 20m

$861

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 2/4

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Thu 7/23

2:40 pm-6:40 pm

1 stop42h 00m

$861

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 2/18

10:50 pm-1:40 pm

1 stop23h 50m

Jakarta Soekarno-Hatta Intl

Sun 2/22

1:30 am-4:50 pm

1 stop30h 20m

$880

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Sat 11/29

6:45 am-11:20 pm

2 stops24h 35m

Denpasar Bali Ngurah Rai

Sat 12/27

1:20 am-5:08 pm

2 stops31h 48m

$932

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 1/20

7:30 am-11:55 pm

2 stops24h 25m

Denpasar Bali Ngurah Rai

Tue 3/17

1:20 am-10:38 pm

2 stops36h 18m

$940

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Thu 1/22

6:00 am-11:55 pm

2 stops25h 55m

Denpasar Bali Ngurah Rai

Mon 3/16

1:20 am-11:52 pm

2 stops37h 32m

$940

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 3/3

7:30 am-11:55 pm

2 stops24h 25m

Denpasar Bali Ngurah Rai

Mon 3/9

11:50 pm-10:38 pm

2 stops37h 48m

$940

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 $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 November 13, 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 November 13, 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
227 reviews

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

Comfort

8.9

Crew

9.2

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
227 reviews
STARLUX Airlines
8.9
Very good
227 reviews

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

Comfort

8.9

Crew

9.2

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
778 reviews
STARLUX Airlines
8.9
Very good
227 reviews

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

Comfort

8.9

Crew

9.2

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
9,017 reviews
STARLUX Airlines
8.9
Very good
227 reviews

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.7

Comfort

8.9

Crew

9.2

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?

    United Airlines, Korean Air, and China Airlines can get you from Ontario to Indonesia in just under 23h 25m. Your travel time can differ by up to 23h 10m. There are 9012 mi between Ontario and Indonesia. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ontario to Indonesia one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $391. Korean Air flights start at $443 while deals on Delta start at $485 one-way.

  • 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 - Balikpapan Sepinnggan 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$705Average$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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