How long is the flight from Ontario to Hong Kong?

A quick flight from Ontario to Hong Kong can take about 17h 55m. Delta provides one of the quickest options available for as low as HK$8,232. Airlines will cover a distance of 11705 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Hong Kong ranges from 20.0 - 390.0 inches per month. June is typically the wettest month, when rainfall can reach 390.0 mm. January is typically the driest time to visit Hong Kong when rainfall is around 20.0 mm.

If weather is an important factor for your trip to Hong Kong, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

What is the cheapest time of day to fly from ONT to HKG?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Hong Kong as you normally would.

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.

HK$3,241+ Cheap Flights from Ontario to Hong Kong

Cheap flight deals from Ontario to Hong Kong

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 7 October 2026.

Mon 19-1006:20 -

2 stops25h 25m

Wed 28-1012:35 -

2 stops43h 37m

Deal found 2-10HK$7,000

Thu 5-1122:50 -

1 stop18h 25m

Sun 8-1117:35 -

1 stop15h 30m

Deal found 2-10HK$7,345

Mon 19-1006:20 -

2 stops25h 25m

Fri 23-1017:55 -

2 stops38h 17m

Deal found 2-10HK$7,361

Tue 27-1006:20 -

2 stops25h 50m

Thu 5-1112:35 -

2 stops19h 48m

Deal found 5-10HK$7,455

Tue 17-1107:00 -

2 stops24h 10m

Mon 14-1212:35 -

2 stops19h 47m

Deal found 5-10HK$7,463

Tue 20-1018:00 -

2 stops31h 20m

Mon 23-1100:55 -

2 stops38h 05m

Deal found 5-10HK$7,486

Sun 25-1013:35 -

2 stops42h 35m

Thu 29-1012:35 -

2 stops19h 37m

Deal found 2-10HK$7,494

Sun 1-1118:00 -

2 stops37h 10m

Sun 22-1118:10 -

2 stops39h 06m

Deal found 4-10HK$7,502

Fri 30-1023:50 -

1 stop22h 10m

Mon 2-1117:35 -

1 stop15h 30m

Deal found 2-10HK$7,526

Fri 30-1023:50 -

1 stop18h 25m

Thu 19-1117:35 -

1 stop15h 30m

Deal found 5-10HK$7,541

Thu 29-1023:50 -

1 stop18h 25m

Sun 1-1121:10 -

1 stop35h 55m

Deal found 3-10HK$7,549

Sat 24-1023:50 -

1 stop25h 45m

Tue 27-1014:05 -

1 stop19h 00m

Deal found 5-10HK$7,565

Find flight deals from Ontario to Hong Kong

Round-trip from	HK$6,466
One-way from	HK$3,241
Popular in	December
Cheapest in	April
Average price	HK$8,428

Korean Air
2-2-22-2
4 total stops
79h 38m total
Ontario to Hong Kong

Search Deals

Delta
18-1-31-12
2 total stops
25h 10m total
Ontario to Hong Kong

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (HK$9,495 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (HK$3,579 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 13-1

14:00-06:45

1 stop24h 45m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$3,571

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 24-1

18:37-19:20

1 stop32h 43m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$3,665

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Fri 15-1

07:00-23:10

2 stops24h 10m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$3,751

Fastest return journey

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 16-11

09:25-19:20

1 stop17h 55m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,371

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Fri 1-1

11:59-16:50

2 stops36h 51m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,379

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 21-10

05:00-18:55

2 stops22h 55m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,379

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 29-10

13:32-05:45

2 stops25h 13m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,379

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 18-10

18:32-05:15

2 stops43h 43m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,426

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 15-11

18:37-19:20

1 stop32h 43m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,465

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 8-11

13:35-05:45

2 stops48h 10m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,614

Flights are sorted by cheapest return flights first.

Deals found on 4-10

Showing 1-10 of 24 resultsSorted by cheapest first

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.

ONT-HKG

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, April is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of HK$6,867). Flying from Ontario to Hong Kong in December is currently the most expensive (average of HK$13,772). 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$7,180 and HK$9,001 in February.
The cheapest return price found within the last 5 days was HK$6,466 on Korean Air (2 Feb–22 Feb).

Related info for your journey

How long is the flight from Ontario to Hong Kong?
A quick flight from Ontario to Hong Kong can take about 17h 55m. Delta provides one of the quickest options available for as low as HK$8,232. Airlines will cover a distance of 11705 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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, April is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of HK$6,867). Flying from Ontario to Hong Kong in December is currently the most expensive (average of HK$13,772). 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

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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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Cheap flights from Ontario to Hong Kong from HK$3,241

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18-1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Hong Kong

Cheapest flights from Ontario to Hong KongExplore 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 7 October 2026.

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 7 October 2026.

Best flights from Ontario to Hong KongDiscover carefully curated flight deals from Ontario to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Discover carefully curated flight deals from Ontario to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Last-minute flights from Ontario to Hong KongDiscover last-minute flight deals from Ontario to Hong Kong. Data last updated 7 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Hong Kong. Data last updated 7 October 2026 and is based on user searches.

One-way flights from Ontario to Hong KongSearch for one-way flight options from Ontario to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.

Search for one-way flight options from Ontario to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.

Find flight deals from Ontario to Hong Kong

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Hong Kong that are best for you.

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.

Cheapflights Insights

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?

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$7,180 and HK$9,001 in February.The cheapest return price found within the last 5 days was HK$6,466 on Korean Air (2 Feb–22 Feb).

Related info for your journey

How long is the flight from Ontario to Hong Kong?

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

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

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

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

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 Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.

Search flights from Ontario to Hong Kong by cabin class

Find flights from Ontario to Hong Kong, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Hong Kong

Explore flights to Hong Kong departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 October 2026.

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Browse other Ontario and Hong Kong flight options. Last updated on 7 October 2026.

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How does Cheapflights help users find flights from Ontario to Hong Kong?

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

Can Cheapflights find flights from Ontario to Hong Kong with no change fees?

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

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Book With Flexibility

Travel Smart

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 7 October 2026.

Best flights from Ontario to Hong Kong
Discover carefully curated flight deals from Ontario to Hong Kong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.

Last-minute flights from Ontario to Hong Kong
Discover last-minute flight deals from Ontario to Hong Kong. Data last updated 7 October 2026 and is based on user searches.

One-way flights from Ontario to Hong Kong
Search for one-way flight options from Ontario to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.

Ontario to Hong Kong flights typically cost between HK$7,180 and HK$9,001 in February.
The cheapest return price found within the last 5 days was HK$6,466 on Korean Air (2 Feb–22 Feb).