How long is the flight from Hong Kong to Ontario?

Delta and China Airlines can get you from Hong Kong to Ontario in just under 18h 55m. Your travel time can differ by up to 19h 22m. The distance between Hong Kong and Ontario is about 11705 km. Both multi-stop and direct flights can be found to your destination and back.

What is the cheapest airline to fly from Hong Kong to Ontario round-trip?

According to our current data, China Airlines (HK$5,874), offers the cheapest pricing from Hong Kong to Ontario. This flight start at 25% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

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

When flying from Hong Kong to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Ontario from Hong Kong?

If you book a flight to Ontario from Hong Kong, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Hong Kong to Ontario 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$3,586+ Cheap Flights from Hong Kong to Ontario

Cheap flight deals from Hong Kong to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Hong Kong to Ontario
Explore the most affordable flight options available from Hong Kong to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Mon 19-1017:55 -

2 stops38h 17m

Wed 28-1006:20 -

2 stops38h 00m

Deal found 2-10HK$6,638

Sun 8-1100:55 -

2 stops38h 05m

Thu 12-1117:56 -

2 stops37h 14m

Deal found 30-9HK$6,670

Fri 30-1000:55 -

2 stops31h 17m

Sun 1-1118:00 -

2 stops37h 10m

Deal found 30-9HK$7,439

Mon 19-1021:15 -

1 stop35h 45m

Wed 28-1023:50 -

1 stop19h 20m

Deal found 2-10HK$7,627

Mon 5-1017:35 -

1 stop15h 25m

Sun 18-1000:10 -

1 stop18h 55m

Deal found 2-10HK$7,721

Sat 17-1017:35 -

1 stop15h 25m

Sat 24-1023:50 -

1 stop22h 10m

Deal found 1-10HK$7,737

Mon 12-1011:20 -

1 stop20h 45m

Mon 19-1023:30 -

1 stop19h 25m

Deal found 5-10HK$7,745

Mon 12-1017:35 -

1 stop15h 25m

Sun 18-1000:10 -

1 stop21h 55m

Deal found 1-10HK$7,760

Thu 8-1017:35 -

1 stop15h 25m

Tue 20-1000:10 -

1 stop18h 05m

Deal found 5-10HK$7,776

Sat 3-1011:20 -

1 stop20h 45m

Sat 10-1023:30 -

1 stop28h 25m

Deal found 1-10HK$7,855

Find flight deals from Hong Kong to Ontario

Round-trip from	HK$6,638
One-way from	HK$3,586
Popular in	January
Cheapest in	April
Average price	HK$7,274

Delta
19-10-28-10
4 total stops
76h 17m total
Hong Kong to Ontario

Search Deals

2-12-31-12
2 total stops
25h 49m total
Hong Kong to Ontario

Search Deals

Highest demand for flights based on searches. 27% potential increase in price (HK$23,342 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 13% potential price decrease (HK$7,190 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

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Tue 13-10

17:55-22:43

2 stops43h 48m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,386

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 18-1

18:10-13:57

2 stops59h 47m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,386

Fastest return journey

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Tue 13-10

14:05-18:00

1 stop18h 55m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,653

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Sat 16-1

00:55-22:43

2 stops37h 48m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$5,304

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Sat 5-12

12:35-16:28

2 stops19h 53m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$5,312

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Tue 1-12

15:35-16:05

2 stops40h 30m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$6,277

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Thu 24-12

12:35-18:00

2 stops21h 25m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$6,364

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 19-10

17:55-17:12

2 stops38h 17m

Ontario

Wed 28-10

06:20-11:20

2 stops38h 00m

HK$6,638

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Thu 17-12

10:35-21:00

2 stops26h 25m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$6,913

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Fri 15-1

22:30-12:40

2 stops30h 10m

Ontario

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$7,407

Flights are sorted by cheapest return flights first.

Deals found on 1-10

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from Hong Kong to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Hong Kong with our price prediction graph.

HKG-ONT

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 Hong Kong to Ontario

HK0-ONT

HKG-ONT

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

See what other customers who have flown with China Airlines from Hong Kong to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

China Airlines

8.2

Very Good

848 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

A,Feb 2026

SEA - TPE

China Airlines has improved significantly over the years. This is the first time we fly on their business class after 20+ years. Both hardware and services impressed us. Will definitely fly with again in the future.

China Airlines

8.2

Very Good

848 reviews

China Airlines

8.2

Very Good

848 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

A,Feb 2026

SEA - TPE

Related info for your journey

What airport do you fly into for flights to Ontario from Hong Kong?
If you book a flight to Ontario from Hong Kong, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 4.9 km from the centre of Ontario.
How long is the flight from Hong Kong to Ontario?
Delta and China Airlines can get you from Hong Kong to Ontario in just under 18h 55m. Your travel time can differ by up to 19h 22m. The distance between Hong Kong and Ontario is about 11705 km. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from Hong Kong to Ontario round-trip?
According to our current data, China Airlines (HK$5,874), offers the cheapest pricing from Hong Kong to Ontario. This flight start at 25% lower than the current average price 3 months from now.
Can I find deals for flights from Hong Kong to Ontario that include hotel bookings?
Yes. In addition to deals on Hong Kong to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Ontario.
Can I find deals for business class flights from Hong Kong to Ontario?
Yes. Cheapflights offers flight deals from Hong Kong to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to California

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Hong Kong to Ontario

Hong Kong to Los Angeles flights

Hong Kong to San Francisco flights

Hong Kong to Ontario flights

Hong Kong to Santa Ana flights

Hong Kong to Las Vegas flights

Hong Kong to Oakland flights

Hong Kong to San Jose flights

Hong Kong to Monterey flights

Hong Kong to San Diego flights

Hong Kong to Santa Rosa flights

Hong Kong to Long Beach flights

Hong Kong to Burbank flights

Top airline flying from Hong Kong to Ontario

Airline	Cheapest	Average	Flexibility	On-time
China Airlines	CheapestHK$5,874	AverageHK$7,273	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Ontario for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Ontario from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Hong Kong to Ontario from HK$3,586

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2-12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to Ontario

Cheapest flights from Hong Kong to OntarioExplore the most affordable flight options available from Hong Kong to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Explore the most affordable flight options available from Hong Kong to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Best flights from Hong Kong to OntarioDiscover carefully curated flight deals from Hong Kong to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Discover carefully curated flight deals from Hong Kong to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Last-minute flights from Hong Kong to OntarioDiscover last-minute flight deals from Hong Kong to Ontario. Data last updated 5 October 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to Ontario. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Hong Kong to OntarioSearch for one-way flight options from Hong Kong to Ontario. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Search for one-way flight options from Hong Kong to Ontario. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.

Find flight deals from Hong Kong to Ontario

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 Hong Kong to Ontario that are best for you.

Best time to book a flight from Hong Kong to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Hong Kong with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing Ontario

See what other customers who have flown with China Airlines from Hong Kong to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Ontario from Hong Kong?

How long is the flight from Hong Kong to Ontario?

What is the cheapest airline to fly from Hong Kong to Ontario round-trip?

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

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

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

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 Hong Kong to Ontario

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

Complete your trip

Complete your trip to Ontario by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from Hong Kong to Ontario by cabin class

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

Hong Kong and Ontario flights

Browse other Hong Kong and Ontario flight options. Last updated on 5 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Hong Kong to Ontario

Fly with Cheapflights

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

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

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

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

100% Free

Book With Flexibility

Travel Smart

Cheapest flights from Hong Kong to Ontario
Explore the most affordable flight options available from Hong Kong to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.

Best flights from Hong Kong to Ontario
Discover carefully curated flight deals from Hong Kong to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.

Last-minute flights from Hong Kong to Ontario
Discover last-minute flight deals from Hong Kong to Ontario. Data last updated 5 October 2026 and is based on user searches.

One-way flights from Hong Kong to Ontario
Search for one-way flight options from Hong Kong to Ontario. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.