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Cheap flights from Hong Kong to Ontario from HK$2,941

HKG — ONT
20 Sep — 27 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Ontario

Wed 16-911:45 -
2 stops40h 05m
Sun 20-913:53 -
1 stop24h 07m
Deal found 17-8HK$7,113
Fri 18-911:45 -
1 stop23h 16m
Tue 22-913:18 -
2 stops48h 42m
Deal found 18-8HK$7,121
Fri 16-1011:45 -
1 stop20h 51m
Mon 2-1118:37 -
1 stop20h 08m
Deal found 18-8HK$7,184
Mon 26-1010:35 -
2 stops25h 16m
Tue 10-1105:00 -
2 stops33h 45m
Deal found 17-8HK$7,215
Thu 3-914:05 -
1 stop19h 35m
Tue 15-900:10 -
1 stop18h 05m
Deal found 19-8HK$7,286
Thu 1-1011:45 -
2 stops24h 13m
Fri 9-1006:00 -
1 stop21h 55m
Deal found 18-8HK$7,404
Sun 13-921:15 -
1 stop36h 25m
Sun 20-900:10 -
1 stop18h 05m
Deal found 17-8HK$7,435
Wed 16-917:35 -
1 stop15h 25m
Tue 22-900:10 -
1 stop18h 55m
Deal found 18-8HK$7,443

Find flight deals from Hong Kong to Ontario

Round-trip from

HK$7,113

One-way from

HK$2,941

Popular in

January

Cheapest in

April

Average price

HK$7,694
United Airlines
  • United Airlines
  • 16-9-20-9
  • 3 total stops
  • 64h 12m total
  • Hong Kong to Ontario
Search Deals
28-9
  • 28-9
  • 2 total stops
  • 21h 06m total
  • Hong Kong to Ontario
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (HK$26,885 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (HK$7,090 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Sat 5-9

11:45-15:41

1 stop18h 56m

Ontario

Sat 12-9

06:08-18:55

1 stop21h 47m

HK$7,113

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Thu 1-10

11:45-15:22

1 stop18h 37m

Ontario

Sat 31-10

06:00-19:20

1 stop22h 20m

HK$7,113

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Thu 1-10

11:45-15:22

1 stop18h 37m

Ontario

Fri 9-10

06:00-18:55

1 stop21h 55m

HK$7,113

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 12-10

11:45-15:22

1 stop18h 37m

Ontario

Fri 16-10

06:00-18:55

1 stop21h 55m

HK$7,113

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Sat 17-10

22:30-12:46

2 stops29h 16m

Ontario

Mon 2-11

13:29-06:45

2 stops25h 16m

HK$7,121

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Fri 18-9

22:30-20:53

2 stops37h 23m

Ontario

Tue 22-9

13:18-18:55

2 stops38h 37m

HK$7,121

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Sun 27-9

11:45-15:22

1 stop18h 37m

Ontario

Sat 24-10

05:00-19:20

2 stops23h 20m

HK$7,121
Fastest return journey

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 18-1

10:35-12:20

1 stop17h 45m

Ontario

Tue 26-1

06:00-19:20

1 stop21h 20m

HK$7,121

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 7-9

17:35-18:40

1 stop16h 05m

Ontario

Thu 10-9

00:45-19:05

1 stop27h 20m

HK$7,435
Cheapest one-way

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Thu 26-11

10:20-17:05

1 stop22h 45m

HK$4,455

Flights are sorted by cheapest return flights first.

Deals found on 15-8

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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.
Estimated return price

Cheapflights Insights

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

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
8.3
Very Good
843 reviews
Check prices

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Overall

8.3

Crew

8.5

Food

7.8

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
8.3
Very Good
843 reviews
China Airlines
8.3
Very Good
843 reviews
Check prices

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Overall

8.3

Crew

8.5

Food

7.8

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.

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?

    United Airlines can get you from Hong Kong to Ontario in just under 18h 56m. Your travel time can differ by up to . The distance between Hong Kong and Ontario is about 11705 km.

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

    According to our current data, China Airlines (HK$5,871), offers the cheapest pricing from Hong Kong to Ontario. This flight start at 26% 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

Top airline flying from Hong Kong to Ontario

AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestHK$5,871AverageHK$7,269FlexibilityNo cancel feeOn-time70%
Search China Airlines flights

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

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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.

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