HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bali

$440+ 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 10/22. 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
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Bali with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 11, 2025.

Round-trip from

$800
(Delta)

One-way from

$440
(Delta)

Popular in

December

Cheapest in

March

Average price

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

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 11, 2025.

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
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
Sun 11/911:50 pmDPS - ONT
2 stops39h 05mKorean Air
Deal found 9/10$876

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 11, 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 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

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Mon 10/20

7:35 am-10:10 pm

2 stops47h 35m

Denpasar Bali Ngurah Rai

Sun 11/2

1:20 am-5:10 pm

2 stops31h 50m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 10/22

7:35 am-11:35 pm

2 stops25h 00m

Denpasar Bali Ngurah Rai

Wed 11/5

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

Mon 11/3

11:50 pm-10:41 pm

2 stops38h 51m

$800

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 10/21

7:35 am-11:35 pm

2 stops25h 00m

Denpasar Bali Ngurah Rai

Wed 10/29

1:20 am-10:41 pm

2 stops36h 21m

$805

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 11/11

6:45 am-11:50 pm

2 stops25h 05m

Denpasar Bali Ngurah Rai

Sun 11/23

1:20 am-10:55 pm

2 stops37h 35m

$828

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Tue 11/4

7:35 am-10:25 pm

2 stops46h 50m

Denpasar Bali Ngurah Rai

Tue 11/11

1:20 am-10:55 pm

2 stops37h 35m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results
1
2

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 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 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 05m. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Bali

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Denpasar flights
San Francisco to Denpasar flights
Los Angeles to Soekarno-Hatta Intl flights
Ontario to Denpasar flights
Santa Ana to Denpasar flights
Burbank to Denpasar flights
San Francisco to Soekarno-Hatta Intl flights
San Jose to Denpasar flights
Ontario to Soekarno-Hatta Intl flights
San Jose to Soekarno-Hatta Intl flights
Oakland to Soekarno-Hatta Intl flights
Oakland to Denpasar flights
Las Vegas to Denpasar flights
San Diego to Denpasar flights
Sacramento to Denpasar flights
Los Angeles to Surabaya flights
Los Angeles to Manado flights
San Francisco to Surabaya flights
San Francisco to Padang flights
San Francisco to Sorong flights
Santa Rosa to Denpasar flights
San Diego to Soekarno-Hatta Intl flights
Las Vegas to Soekarno-Hatta Intl flights
Reno to Denpasar flights
Ontario to Surabaya flights
Fresno to Denpasar flights
Long Beach to Denpasar flights
Los Angeles to Sorong flights
Sacramento to Soekarno-Hatta Intl flights
Los Angeles to Padang flights
San Francisco to Manado flights
Los Angeles to Surakarta City flights
San Francisco to Praya flights
San Francisco to Medan flights
Medford to Denpasar flights
San Francisco to Balikpapan flights
Monterey to Soekarno-Hatta Intl flights
Arcata to Denpasar flights
Los Angeles to Balikpapan flights
San Francisco to Labuan Bajo flights
San Francisco to Batam flights
Los Angeles to Medan flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.