How long is the flight from Ontario to Hong Kong?

A quick flight from Ontario to Hong Kong can take about 18h 05m. Delta provides one of the quickest options available for as low as HK$7,452. 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$3,240+ 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 17 September 2026.

Mon 21-923:30 -

1 stop19h 30m

Mon 5-1013:35 -

1 stop18h 30m

Deal found 15-9HK$7,044

Mon 5-1023:30 -

1 stop33h 15m

Mon 19-1008:35 -

1 stop23h 30m

Deal found 15-9HK$7,076

Sun 11-1000:10 -

1 stop21h 55m

Mon 19-1014:05 -

1 stop18h 55m

Deal found 14-9HK$7,083

Sat 10-1000:10 -

1 stop18h 05m

Mon 12-1021:15 -

1 stop35h 45m

Deal found 13-9HK$7,107

Fri 23-1000:10 -

1 stop25h 25m

Mon 26-1010:20 -

1 stop22h 45m

Deal found 12-9HK$7,123

Sun 25-1023:50 -

1 stop29h 20m

Wed 28-1020:05 -

1 stop37h 00m

Deal found 17-9HK$7,131

Wed 30-900:10 -

1 stop18h 05m

Sat 3-1017:35 -

1 stop15h 25m

Deal found 12-9HK$7,138

Mon 12-1000:10 -

1 stop18h 05m

Tue 20-1017:35 -

1 stop15h 25m

Deal found 17-9HK$7,178

Sun 18-1000:10 -

1 stop18h 05m

Mon 25-117:35 -

1 stop15h 30m

Deal found 15-9HK$7,185

Thu 29-1006:02 -

2 stops31h 58m

Thu 5-1114:00 -

2 stops20h 17m

Deal found 14-9HK$7,225

Sun 15-1122:50 -

1 stop18h 25m

Sun 22-1120:05 -

1 stop37h 00m

Deal found 15-9HK$7,240

Wed 7-1000:10 -

1 stop27h 55m

Sun 25-1017:35 -

1 stop15h 30m

Deal found 15-9HK$7,248

Find flight deals from Ontario to Hong Kong

Round-trip from	HK$6,511
One-way from	HK$3,240
Popular in	December
Cheapest in	April
Average price	HK$8,927

Delta
11-1-20-1
4 total stops
50h 18m total
Ontario to Hong Kong

Search Deals

Delta
2-2-31-12
2 total stops
24h 10m total
Ontario to Hong Kong

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (HK$9,228 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (HK$3,559 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Fastest return journey

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 4-2

06:00-19:20

1 stop21h 20m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$3,569

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 24-1

11:20-12:55

2 stops33h 35m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$3,648

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 23-9

06:00-10:55

2 stops37h 55m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$3,852

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 26-11

22:50-20:10

1 stop29h 20m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,024

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 4-11

22:50-13:00

1 stop22h 10m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,158

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$4,181

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 24-9

11:10-05:00

1 stop26h 50m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,181

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 14-10

11:10-05:00

1 stop26h 50m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,181

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 9-11

22:50-20:10

1 stop29h 20m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,220

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 7-10

00:10-19:05

1 stop27h 55m

Hong Kong Intl

Wed 31-12

00:00-08:00

Nonstop0h 00m

HK$4,220

Flights are sorted by cheapest return flights first.

Deals found on 13-9

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$6,864). Flying from Ontario to Hong Kong in December is currently the most expensive (average of HK$13,767). 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.

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 18h 05m. Delta provides one of the quickest options available for as low as HK$7,452. 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$6,864). Flying from Ontario to Hong Kong in December is currently the most expensive (average of HK$13,767). 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.

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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$3,240

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2-2. 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 17 September 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 17 September 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 17 September 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 17 September 2026.

Last-minute flights from Ontario to Hong KongDiscover last-minute flight deals from Ontario to Hong Kong. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Hong Kong. Data last updated 17 September 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 17 September 2026.

Search for one-way flight options from Ontario to Hong Kong. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from Ontario to Hong Kong

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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?

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 17 September 2026.

Ontario and Hong Kong flights

Browse other Ontario and Hong Kong flight options. Last updated on 17 September 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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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 17 September 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 17 September 2026.

Last-minute flights from Ontario to Hong Kong
Discover last-minute flight deals from Ontario to Hong Kong. Data last updated 17 September 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 17 September 2026.