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HK$918+ 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 25-7. 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 — HKG
31 Jul — 7 Aug1
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 1 July 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sun 20-9

22:00-10:15

1 stop9h 15m

New York John F Kennedy Intl

Fri 25-9

06:00-12:14

1 stop9h 14m

HK$2,455
Fastest return journey

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 25-9

21:10-05:31

Nonstop5h 21m

New York John F Kennedy Intl

Wed 30-9

17:15-20:13

Nonstop5h 58m

HK$2,721

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Tue 11-8

08:35-20:25

2 stops8h 50m

Tampa

Tue 18-8

18:35-22:05

1 stop6h 30m

HK$2,760

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Thu 24-9

06:00-17:07

1 stop8h 07m

Tampa

Mon 28-9

12:44-20:31

2 stops10h 47m

HK$2,760

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 4-8

23:51-08:13

Nonstop5h 22m

New York John F Kennedy Intl

Thu 13-8

19:30-22:38

Nonstop6h 08m

HK$2,760

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Wed 12-8

10:55-23:45

1 stop9h 50m

Tampa

Sat 22-8

08:20-15:15

2 stops9h 55m

HK$2,768

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Sat 5-9

12:00-00:30

1 stop9h 30m

Tampa

Tue 10-11

12:18-18:18

1 stop9h 00m

HK$2,784

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Tue 8-9

17:15-05:46

1 stop9h 31m

Tampa

Sat 14-11

05:30-11:27

1 stop8h 57m

HK$2,784

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Tue 8-9

17:15-05:46

1 stop9h 31m

Tampa

Mon 9-11

15:48-22:14

1 stop9h 26m

HK$2,886

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Sun 18-10

23:15-09:24

1 stop7h 09m

Newark

Fri 6-11

18:55-23:46

1 stop7h 51m

HK$2,894

Flights are sorted by cheapest return flights first.

Deals found on 28-6

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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, February is the cheapest month in which you can book a flight from Ontario (average of HK$6,627). Flying from Ontario in December will prove the most costly (average of HK$15,347). 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?

If you’re flying from Ontario, these routes are more frequently taken by airlines Seattle (84 flights per day), Dallas (74 flights per day) and Atlanta (66 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$1,892

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Seattle/Tacoma Intl, with prices starting at HK$1,892. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$1,892

When is the best time to book a flight from Ontario?

The price you pay for your flight from Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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Direct flights from California

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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 1 July 2026.

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

    This month, the top selected destinations from Ontario are Las Vegas, Denver, Dallas/Fort Worth Airport. Throughout the year, Las Vegas, Dallas/Fort Worth Airport, Denver are some of the top choices made by users flying from Ontario.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as HK$1,892 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$1,892 to fly from Ontario.

  • What is the cheapest month to fly from Ontario?

    Currently, the cheapest month for flights from Ontario is February. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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

    Check out the cheapest flights from Ontario to embark to:
    Fly from Ontario to Hong Kong from HK$7,685 round trip

  • How does Cheapflights help users find flights from Ontario?

    Deals for flights from Ontario are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

    Millions of users choose and trust Cheapflights to book the best flight deals from Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

    Yes! Cheapflights helps users easily find flights from Ontario with no change fees.

  • 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?

Deals for flights from Ontario are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario with no change fees.

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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