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$420+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DPS
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$814
(Korean Air)

One-way from

$420
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$1,406
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. 11% potential increase in price ($147 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 June 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 June 30, 2025.

This Korean Air deal was found by Cheapflights users on 6/28. 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
Mon 10/2011:45 pmDPS - ONT
2 stops32h 32mKorean Air
Deal found 6/28$814
This Delta deal was found by Cheapflights users on 6/29. 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 8/56:25 amONT - DPS
2 stops26h 10mDelta
Wed 8/2012:50 amDPS - ONT
2 stops36h 52mDelta
Deal found 6/29$833
This Korean Air deal was found by Cheapflights users on 6/29. 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 9/156:00 amONT - DPS
2 stops26h 35mMultiple Airlines
Tue 9/2312:50 amDPS - ONT
2 stops31h 10mMultiple Airlines
Deal found 6/29$986
This oojo deal was found by Cheapflights users on 6/30. 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 9/2412:10 amONT - DPS
1 stop23h 30mChina Airlines
Thu 10/93:40 pmDPS - ONT
2 stops23h 19mChina Airlines
Deal found 6/30$996

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 June 30, 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

Mon 9/29

6:00 am-11:35 pm

2 stops26h 35m

Denpasar Bali Ngurah Rai

Mon 10/20

11:45 pm-5:17 pm

2 stops32h 32m

$814

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 8/5

6:25 am-11:35 pm

2 stops26h 10m

Denpasar Bali Ngurah Rai

Wed 8/20

12:50 am-10:42 pm

2 stops36h 52m

$833

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Mon 9/15

6:00 am-11:35 pm

2 stops26h 35m

Denpasar Bali Ngurah Rai

Tue 9/23

12:50 am-5:00 pm

2 stops31h 10m

$986

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 9/24

12:10 am-2:40 pm

1 stop23h 30m

Denpasar Bali Ngurah Rai

Thu 10/9

3:40 pm-11:59 pm

2 stops23h 19m

$996

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 9/3

6:00 am-11:35 pm

2 stops26h 35m

$420

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 8/5

6:25 am-11:35 pm

2 stops26h 10m

$440

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Fri 9/26

12:10 am-7:50 am

2 stops40h 40m

$511

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 10/14

12:10 am-2:40 pm

1 stop23h 30m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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, March is the cheapest month in which you can book a flight from Ontario to Bali (average of $1,080). 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 June 30, 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.

Reviews of airlines servicing Bali

Get insights into the airlines that provide service to Bali. 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 Bali. Reviews last updated June 30, 2025.
Get a feel of what it's like to fly with Korean Air, China Airlines, and Delta from Ontario to Bali by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,101 reviews
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
China Airlines
8.3
Very good
745 reviews
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Delta
8.0
Very good
7,969 reviews
Korean Air
8.4
Very good
1,101 reviews

Overall

8.4

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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.

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

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as $420. Users have also found prices from $440 and $533 on Delta and China Airlines, respectively.

  • 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, March is the cheapest month in which you can book a flight from Ontario to Bali (average of $1,080). 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

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