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HK$917+ 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 10-10. 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
11 Aug — 18 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 12 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

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Wed 9-12

07:50-21:50

1 stop11h 00m

Tampa

Wed 16-12

07:30-16:10

2 stops11h 40m

HK$1,991

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Wed 12-8

17:05-06:01

1 stop9h 56m

Tampa

Thu 20-8

06:45-12:16

1 stop8h 31m

HK$2,015

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Sat 15-8

17:05-06:01

1 stop9h 56m

Tampa

Tue 18-8

06:45-12:16

1 stop8h 31m

HK$2,015

OntarioTampa

ONT - TPA

ONTTPA

Ontario

Sat 15-8

17:05-06:01

1 stop9h 56m

Tampa

Wed 19-8

06:45-12:16

1 stop8h 31m

HK$2,210

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 3-8

23:51-08:13

Nonstop5h 22m

New York John F Kennedy Intl

Sat 29-8

18:50-21:59

Nonstop6h 09m

HK$2,563

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 17-8

23:59-08:20

Nonstop5h 21m

New York John F Kennedy Intl

Tue 25-8

19:29-22:37

Nonstop6h 08m

HK$2,579
Fastest return journey

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 26-9

21:10-05:31

Nonstop5h 21m

New York John F Kennedy Intl

Tue 29-9

17:15-20:13

Nonstop5h 58m

HK$2,798

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Thu 13-8

23:59-08:20

Nonstop5h 21m

New York John F Kennedy Intl

Sat 22-8

18:50-21:59

Nonstop6h 09m

HK$2,798

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 28-7

23:51-08:13

Nonstop5h 22m

New York John F Kennedy Intl

Tue 1-9

19:29-22:37

Nonstop6h 08m

HK$2,822

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Mon 3-8

23:51-08:13

Nonstop5h 22m

New York John F Kennedy Intl

Sun 30-8

19:40-22:44

Nonstop6h 04m

HK$2,877

Flights are sorted by cheapest return flights 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, February is the cheapest month in which you can book a flight from Ontario (average of HK$6,624). Flying from Ontario in December will prove the most costly (average of HK$14,282). 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 Dallas (160 flights per day), Seattle (132 flights per day) and Atlanta (91 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$1,891

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$1,891. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From HK$1,891

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 7 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 12 July 2026.

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

    This month, the top selected destinations from Ontario are Las Vegas, Dallas/Fort Worth Airport, Denver. 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$1,891 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$1,891 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$7,196 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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