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Cheap flights from Ontario to Hong Kong from HK$3,656

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 8-9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKG
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Hong Kong

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Hong Kong
Explore the most affordable flight options available from Ontario to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Wed 2-923:30 -
1 stop28h 25m
Sat 5-911:20 -
1 stop20h 45m
Deal found 7-8HK$6,975
Sun 30-800:45 -
1 stop17h 30m
Sun 13-914:05 -
1 stop19h 35m
Deal found 12-8HK$7,132
Fri 21-823:55 -
1 stop21h 55m
Mon 24-811:20 -
1 stop21h 20m
Deal found 10-8HK$7,140
Fri 9-1023:30 -
1 stop19h 40m
Mon 12-1011:20 -
1 stop20h 45m
Deal found 10-8HK$7,156
Thu 27-800:45 -
1 stop18h 20m
Sat 29-817:35 -
1 stop16h 05m
Deal found 9-8HK$7,163
Thu 24-906:02 -
2 stops38h 38m
Wed 30-913:00 -
2 stops21h 03m
Deal found 9-8HK$7,179
Sun 23-800:45 -
1 stop27h 20m
Sun 6-920:10 -
1 stop37h 30m
Deal found 8-8HK$7,187
Mon 21-923:30 -
1 stop28h 25m
Sat 26-911:20 -
1 stop20h 45m
Deal found 10-8HK$7,195
Sat 19-900:10 -
1 stop18h 05m
Tue 6-1014:05 -
1 stop18h 55m
Deal found 7-8HK$7,211
Fri 28-823:55 -
1 stop19h 15m
Sun 30-820:10 -
1 stop36h 30m
Deal found 9-8HK$7,226

Find flight deals from Ontario to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Hong Kong (HKG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 August 2026.

Round-trip from

HK$6,975

One-way from

HK$3,656

Popular in

December

Cheapest in

February

Average price

HK$8,262
星宇航空
  • 星宇航空
  • 2-9-5-9
  • 2 total stops
  • 49h 10m total
  • Ontario to Hong Kong
Search Deals
21-9
  • 21-9
  • 2 total stops
  • 25h 03m total
  • Ontario to Hong Kong
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (HK$12,160 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (HK$4,175 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Hong Kong 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 70,647 searches. Data last updated 12 August 2026.
Use the filters below to find and compare flights from Ontario to Hong Kong that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight
Fastest return journey

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 30-8

00:45-09:15

1 stop17h 30m

Hong Kong Intl

Sun 13-9

11:30-18:40

2 stops22h 10m

HK$8,788

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sat 22-8

00:45-09:15

1 stop17h 30m

Hong Kong Intl

Mon 7-9

11:30-18:40

2 stops22h 10m

HK$8,795

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 9-11

22:50-09:15

1 stop18h 25m

Hong Kong Intl

Sun 29-11

21:10-17:05

1 stop35h 55m

HK$8,882

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 14-9

12:12-15:10

2 stops35h 58m

Hong Kong Intl

Fri 2-10

01:25-18:00

2 stops31h 35m

HK$9,517

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sat 31-10

06:02-21:40

2 stops48h 38m

Hong Kong Intl

Thu 12-11

00:25-18:17

2 stops33h 52m

HK$9,533

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 23-8

00:45-13:05

1 stop21h 20m

Hong Kong Intl

Sun 6-9

11:30-18:40

2 stops22h 10m

HK$9,721

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 3-1

22:50-16:35

1 stop25h 45m

Hong Kong Intl

Thu 4-2

13:30-17:05

2 stops19h 35m

HK$9,745

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 10-9

06:08-18:55

1 stop21h 47m

Hong Kong Intl

Mon 14-9

23:55-20:01

2 stops35h 06m

HK$10,867

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 24-8

12:00-15:10

2 stops36h 10m

Hong Kong Intl

Mon 7-9

01:25-19:03

2 stops32h 38m

HK$10,977

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 31-8

12:00-15:10

2 stops36h 10m

Hong Kong Intl

Sun 13-9

19:40-13:25

2 stops32h 45m

HK$11,291

Flights are sorted by cheapest return flights first.

Deals found on 12-8

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Hong Kong

How far ahead should I book a flight from Ontario to Hong Kong?

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Hong Kong. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of HK$6,622). Flying from Ontario to Hong Kong in December is currently the most expensive (average of HK$14,296). 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.

How much does it cost for a return flight from Ontario to Hong Kong?

Airfare is below average for this route at the moment.

Ontario to Hong Kong flights typically cost between HK$7,454 and HK$9,400 in September.
The cheapest return price found within the last 5 days was HK$6,975 on 星宇航空 (2 Sept–5 Sept).

Related info for your journey

Find useful and relevant information for your journey from Ontario to Hong Kong. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Hong Kong?

    A quick flight from Ontario to Hong Kong can take about 21h 20m. China Airlines provides one of the quickest options available for as low as HK$7,728. Airlines will cover a distance of 11705 km.

  • Can I find deals for flights from Ontario to Hong Kong that include hotel bookings?

    Yes. In addition to deals on Ontario to Hong Kong flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Hong Kong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Hong Kong.

  • Can I find deals for business class flights from Ontario to Hong Kong?

    Yes. Cheapflights offers flight deals from Ontario to Hong Kong 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 Hong Kong?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of HK$6,622). Flying from Ontario to Hong Kong in December is currently the most expensive (average of HK$14,296). 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

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Alternative routes for Ontario to Hong Kong

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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 to Hong Kong?

When you search for this flight from Ontario to Hong Kong, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Hong Kong 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 to Hong Kong with no change fees?

Certainly. Search results for flights to Hong Kong from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Ontario to Hong Kong flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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