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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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DPS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$700
(Delta)

One-way from

$368
(Delta)

Popular in

December

Cheapest in

March

Average price

$924
From Ontario to Indonesia
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One-way flight from Ontario to Indonesia
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Highest demand for flights based on searches. 12% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Korean Air deal was found by Cheapflights users on 9/10. 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 10/36:00 amONT - CGK
2 stops48h 10mKorean Air
Tue 10/149:50 pmCGK - ONT
2 stops33h 20mKorean Air
Deal found 9/10$705
This Delta deal was found by Cheapflights users on 9/10. 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 10/217:35 amONT - DPS
2 stops25h 00mDelta
Tue 11/41:20 amDPS - ONT
2 stops37h 21mDelta
Deal found 9/10$800
This Korean Air deal was found by Cheapflights users on 9/10. 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 10/217:35 amONT - DPS
2 stops25h 00mKorean Air
Tue 10/281:20 amDPS - ONT
2 stops36h 21mKorean Air
Deal found 9/10$805
This Delta deal was found by Cheapflights users on 9/10. 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 10/191:15 pmONT - DPS
2 stops43h 20mDelta
Mon 11/311:50 pmDPS - ONT
2 stops38h 51mDelta
Deal found 9/10$806
This Delta deal was found by Cheapflights users on 9/9. 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 11/106:45 amONT - DPS
2 stops25h 05mDelta
Sun 11/231:20 amDPS - ONT
2 stops37h 35mDelta
Deal found 9/9$828
This Delta deal was found by Cheapflights users on 9/10. 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 11/47:35 amONT - DPS
2 stops46h 50mDelta
Tue 11/111:20 amDPS - ONT
2 stops37h 35mDelta
Deal found 9/10$840
This Delta deal was found by Cheapflights users on 9/10. 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 10/207:35 amONT - DPS
2 stops25h 00mDelta
Thu 10/301:20 amDPS - ONT
2 stops36h 21mDelta
Deal found 9/10$843
This Korean Air deal was found by Cheapflights users on 9/11. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:00 amONT - DPS
2 stops26h 35mKorean Air
Tue 10/1411:45 pmDPS - ONT
2 stops32h 25mKorean Air
Deal found 9/11$845
This Korean Air deal was found by Cheapflights users on 9/10. 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 9/286:00 amONT - DPS
2 stops26h 35mKorean Air
Wed 11/511:50 pmDPS - ONT
2 stops33h 20mKorean Air
Deal found 9/10$848
This Delta deal was found by Cheapflights users on 9/10. 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 10/191:15 pmONT - DPS
2 stops43h 20mDelta
Thu 10/301:20 amDPS - ONT
2 stops36h 21mDelta
Deal found 9/10$849
This Delta deal was found by Cheapflights users on 9/10. 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 10/1811:48 amONT - DPS
2 stops67h 22mDelta
Wed 11/51:20 amDPS - ONT
2 stops31h 50mDelta
Deal found 9/10$850
This Korean Air deal was found by Cheapflights users on 9/10. 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 9/296:00 amONT - DPS
2 stops26h 35mKorean Air
Sun 11/911:50 pmDPS - ONT
2 stops33h 19mKorean Air
Deal found 9/10$873

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 September 11, 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

Sat 2/7

6:45 am-8:20 pm

2 stops46h 35m

Jakarta Soekarno-Hatta Intl

Tue 2/24

9:50 pm-10:38 pm

2 stops39h 48m

$700

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 2/10

6:45 am-8:20 pm

2 stops46h 35m

Jakarta Soekarno-Hatta Intl

Tue 2/24

9:50 pm-10:38 pm

2 stops39h 48m

$700

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 2/9

6:45 am-8:20 pm

2 stops46h 35m

Jakarta Soekarno-Hatta Intl

Tue 2/24

9:50 pm-10:38 pm

2 stops39h 48m

$700

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sun 2/8

6:45 am-8:20 pm

2 stops46h 35m

Jakarta Soekarno-Hatta Intl

Tue 2/24

9:50 pm-10:38 pm

2 stops39h 48m

$700

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Fri 1/16

6:45 am-8:20 pm

2 stops46h 35m

Jakarta Soekarno-Hatta Intl

Sun 1/25

9:50 pm-3:20 pm

2 stops32h 30m

$705

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 1/28

6:00 am-6:00 am

2 stops33h 00m

Jakarta Soekarno-Hatta Intl

Wed 2/11

2:15 pm-9:19 am

2 stops34h 04m

$714

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Mon 11/10

6:45 am-11:50 pm

2 stops25h 05m

Denpasar Bali Ngurah Rai

Wed 11/26

1:20 am-6:18 pm

2 stops32h 58m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 10/21

7:35 am-10:10 pm

2 stops47h 35m

Denpasar Bali Ngurah Rai

Mon 11/3

11:50 pm-5:10 pm

2 stops33h 20m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 11/11

6:45 am-11:50 pm

2 stops25h 05m

Denpasar Bali Ngurah Rai

Wed 11/26

1:20 am-6:18 pm

2 stops32h 58m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 11/12

6:45 am-11:50 pm

2 stops25h 05m

Denpasar Bali Ngurah Rai

Wed 11/26

11:50 pm-6:18 pm

2 stops34h 28m

$800

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 51 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, September is the cheapest month in which you can book a flight from Ontario to Indonesia (average of $1,078). Flying from Ontario to Indonesia in December is currently the most expensive (average of $1,743). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Indonesia as you normally would.

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 September 11, 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
211 reviews

Food

8.8

Boarding

9.0

Overall

8.9

Entertainment

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
8.9
Very good
211 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Food

8.8

Boarding

9.0

Overall

8.9

Entertainment

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
767 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Food

8.8

Boarding

9.0

Overall

8.9

Entertainment

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
United Airlines
7.4
Good
8,937 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Food

8.8

Boarding

9.0

Overall

8.9

Entertainment

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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?

    Delta, Korean Air, and United Airlines can get you from Ontario to Indonesia in just under 31h 04m. Your travel time can differ by up to 15h 31m. There are 8739 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, September is the cheapest month in which you can book a flight from Ontario to Indonesia (average of $1,078). Flying from Ontario to Indonesia in December is currently the most expensive (average of $1,743). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$889Average$1,066FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$930Average$1,029FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,015Average$1,029FlexibilityNo cancel feeOn-time69%

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