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$437+ Cheap flights from Ontario (ONT) to Bali

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DPS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Ontario to Bali

Keep the following information in mind while searching for Ontario to Bali flight deals. Data was last updated September 16, 2025.

Round-trip from

$800
(Delta)

One-way from

$437
(Delta)

Popular in

December

Cheapest in

February

Average price

$892
From Ontario to Bali
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One-way flight from Ontario to Bali
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Highest demand for flights based on searches. 13% potential increase in price ($164 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 Bali

Cheapest flights from Ontario to Bali
Explore the most affordable flight options available from Ontario to Bali. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 amONT - DPS
2 stops26h 35mDelta
Sun 11/21:20 amDPS - ONT
2 stops31h 50mDelta
Deal found 9/13$800
This Ovago deal was found by Cheapflights users on 9/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:35 amONT - DPS
2 stops25h 20mKorean Air
Wed 11/511:50 pmDPS - ONT
2 stops33h 20mKorean Air
Deal found 9/13$804
This Korean Air deal was found by Cheapflights users on 9/13. 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 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
Mon 10/271:20 amDPS - ONT
2 stops36h 21mKorean Air
Deal found 9/13$805
This ScholarTrip deal was found by Cheapflights users on 9/16. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:45 amONT - DPS
2 stops25h 10mKorean Air
Sun 11/2311:50 pmDPS - ONT
2 stops39h 05mKorean Air
Deal found 9/16$813
This Delta deal was found by Cheapflights users on 9/13. 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 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
Wed 11/51:20 amDPS - ONT
2 stops31h 50mDelta
Deal found 9/13$828
This EaseMyTrip deal was found by Cheapflights users on 9/16. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:45 amONT - DPS
2 stops25h 10mKorean Air
Wed 11/191:20 amDPS - ONT
2 stops31h 49mKorean Air
Deal found 9/16$829
This Delta deal was found by Cheapflights users on 9/13. 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 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
Thu 10/301:20 amDPS - ONT
2 stops35h 00mDelta
Deal found 9/13$843
This Korean Air deal was found by Cheapflights users on 9/14. 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 10/56:00 amONT - DPS
2 stops26h 35mKorean Air
Tue 10/1411:45 pmDPS - ONT
2 stops37h 56mKorean Air
Deal found 9/14$848
This EaseMyTrip deal was found by Cheapflights users on 9/16. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:35 amONT - DPS
2 stops25h 20mKorean Air
Thu 11/611:50 pmDPS - ONT
2 stops33h 20mKorean Air
Deal found 9/16$855
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:00 amONT - DPS
2 stops26h 35mDelta
Sat 11/11:20 amDPS - ONT
2 stops31h 50mDelta
Deal found 9/13$871
This lol.travel deal was found by Cheapflights users on 9/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:35 amONT - DPS
2 stops25h 00mKorean Air
Thu 10/301:20 amDPS - ONT
2 stops36h 21mKorean Air
Deal found 9/16$874

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Bali 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 16, 2025.
Use the filters below to find and compare flights from Ontario to Bali that are best for you.

Fly from

Ontario

Fly to

Bali

Route

Depart

Return

Price

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Thu 10/23

7:35 am-11:35 pm

2 stops25h 00m

Denpasar Bali Ngurah Rai

Tue 11/4

11:50 pm-5:10 pm

2 stops33h 20m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 10/21

7:35 am-11:35 pm

2 stops25h 00m

Denpasar Bali Ngurah Rai

Mon 11/3

11:50 pm-5:10 pm

2 stops33h 20m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 10/22

6:00 am-11:35 pm

2 stops26h 35m

Denpasar Bali Ngurah Rai

Wed 11/5

1:20 am-10:41 pm

2 stops37h 21m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 10/21

7:35 am-11:35 pm

2 stops25h 00m

Denpasar Bali Ngurah Rai

Tue 11/4

11:50 pm-5:10 pm

2 stops33h 20m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 10/22

7:35 am-11:35 pm

2 stops25h 00m

Denpasar Bali Ngurah Rai

Mon 11/3

11:50 pm-5:10 pm

2 stops33h 20m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 10/21

6:00 am-11:35 pm

2 stops26h 35m

Denpasar Bali Ngurah Rai

Wed 11/5

1:20 am-5:10 pm

2 stops31h 50m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 10/21

7:35 am-11:35 pm

2 stops25h 00m

Denpasar Bali Ngurah Rai

Mon 10/27

1:20 am-10:41 pm

2 stops36h 21m

$805

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Mon 10/20

6:00 am-11:35 pm

2 stops26h 35m

Denpasar Bali Ngurah Rai

Sun 11/2

1:20 am-5:10 pm

2 stops31h 50m

$828

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Mon 10/20

7:35 am-11:35 pm

2 stops25h 00m

Denpasar Bali Ngurah Rai

Wed 11/5

1:20 am-5:10 pm

2 stops31h 50m

$828

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Thu 11/6

7:35 am-11:50 pm

2 stops24h 15m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 results
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Best time to book a flight from Ontario to Bali

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

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Bali (average of $1,078). Flying from Ontario to Bali 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 BA?

Find hourly flight availability from Ontario to Bali. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

Related info for your journey

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

    Most people fly from Ontario (ONT) if they book a flight from Ontario to Bali. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to Bali?

    Airlines like Delta fly from Ontario to Bali in about 25h. The time it takes to get you to your destination can typically vary by up to . The distance from Ontario to Bali is about 8665 mi.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Ontario to Bali (average of $1,078). Flying from Ontario to Bali 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Bali

See prices for flight routes from nearby airports that may be better suited for you.
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