Rp 1,986,755+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — DPS
5 May — 12 May1
1 adult
1 adult, Economy, 0 bags

Find flights from Ontario within your budget

 
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 5 April 2026. In the last 7 days, Cheapflights users made a total of 22,532 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Tue 21/4

07.00-20.10

2 stops47h 10m

Jakarta Soekarno-Hatta Intl

Tue 5/5

21.50-17.15

2 stops33h 25m

Rp 16,556,291

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Sat 5/9

00.45-13.35

1 stop22h 50m

Jakarta Soekarno-Hatta Intl

Tue 22/9

01.30-18.00

1 stop30h 30m

Rp 16,760,061

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Mon 7/9

00.45-13.35

1 stop22h 50m

Jakarta Soekarno-Hatta Intl

Thu 10/9

01.30-18.40

1 stop31h 10m

Rp 18,424,180

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Fri 18/9

07.00-23.50

2 stops25h 50m

Denpasar Bali Ngurah Rai

Wed 30/9

23.45-17.16

2 stops32h 31m

Rp 19,629,818

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 23/4

00.10-13.35

1 stop23h 25m

Jakarta Soekarno-Hatta Intl

Tue 5/5

01.30-18.00

1 stop30h 30m

Rp 19,867,550

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Wed 19/8

08.00-05.05

2 stops31h 05m

Jakarta Soekarno-Hatta Intl

Mon 31/8

21.25-18.11

2 stops34h 46m

Rp 20,071,320

OntarioDenpasar

ONT - DPS

ONTDPS

Ontario

Wed 29/4

00.10-14.35

1 stop23h 25m

Denpasar Bali Ngurah Rai

Fri 8/5

15.55-18.00

1 stop41h 05m

Rp 20,852,436

OntarioJakarta

ONT - CGK

ONTCGK

Ontario

Thu 23/4

00.10-13.35

1 stop23h 25m

Jakarta Soekarno-Hatta Intl

Sun 3/5

01.30-18.00

1 stop30h 30m

Rp 20,971,302

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Wed 19/8

00.45-13.50

2 stops47h 05m

Surabaya Juanda

Tue 25/8

07.05-18.40

2 stops49h 35m

Rp 21,039,226

OntarioSurabaya

ONT - SUB

ONTSUB

Ontario

Wed 15/4

00.10-08.30

2 stops42h 20m

Surabaya Juanda

Wed 20/5

09.20-18.00

2 stops46h 40m

Rp 21,344,880

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
Estimated return 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.

Travel insights for flights from Ontario

Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Ontario (average of Rp 10,765,835). Flying from Ontario in July will prove the most costly (average of Rp 16,539,311). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Ontario?

From Ontario you can expect to find greater availability for the following destinations: Seattle (106 flights per day), Atlanta (68 flights per day) and San Francisco (64 flights per day).

Denver Intl
Denver Intl
From Rp 1,695,874
Houston Hobby
Houston Hobby
From Rp 2,604,177

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Denver Intl, with prices starting at Rp 1,695,874. Explore other affordable destinations below.

Denver Intl
Denver Intl
From Rp 1,695,874
Houston Hobby
Houston Hobby
From Rp 2,604,177

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Direct flights from California

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Direct flights from Palm Springs

Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 5 April 2026.

  • What are the most popular destinations to fly to from Ontario?

    The most popular destinations from Ontario this month are Las Vegas, Dallas/Fort Worth Airport, Denver. The top year-round destinations include Las Vegas, Dallas/Fort Worth Airport, Denver.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as Rp 1,695,874 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for Rp 5,779,589 to fly from Ontario.

  • What is the cheapest premium economy flight from Ontario?

    If you're looking for an elevated level of comfort for your next adventure, premium economy flights from Ontario may suit your needs. The cheapest premium economy flights from Ontario are:
    Fly Ontario to Denver from Rp 30,351,502

  • What is the cheapest first class flight from Ontario?

    If you’re looking for a cheap first-class flight from Ontario, consider Chicago. Prices start at Rp 29,446,596 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Ontario?

    At the present moment the cheapest month to fly from Ontario is currently September; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Ontario?

    View the cheapest flight destinations from Ontario:
    Fly from Ontario to Jakarta from Rp 16,895,908
    Fly from Ontario to Denpasar from Rp 18,848,700

  • How does Cheapflights help users find flights from Ontario?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Ontario today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Ontario?

    Cheapflights helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Ontario with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from Ontario become cheaper?

    Not ready to book yet? You can track prices for flights from Ontario on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario?

Cheapflights helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Ontario on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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