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Cheap flights from Hong Kong to Ontario from HK$3,757

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 31-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ONT
3 Aug — 10 Aug1
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
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 4 July 2026.

Thu 5-1110:35
HKG
-
ONT
1 stop17h 26m
United Airlines
Sun 8-1109:00
ONT
-
HKG
1 stop18h 20m
United Airlines
Deal found 2-7HK$6,721
Wed 9-914:05
HKG
-
ONT
1 stop19h 35m
China Airlines
Mon 7-1222:50
ONT
-
HKG
1 stop19h 20m
China Airlines
Deal found 30-6HK$7,004
Mon 5-1017:35
HKG
-
ONT
1 stop15h 25m
China Airlines
Tue 6-1000:10
ONT
-
HKG
1 stop18h 05m
China Airlines
Deal found 4-7HK$7,129
Fri 27-1115:45
HKG
-
ONT
1 stop16h 10m
Multiple Airlines
Fri 11-1221:45
ONT
-
HKG
1 stop20h 45m
Multiple Airlines
Deal found 3-7HK$7,145
Wed 25-1111:15
HKG
-
ONT
1 stop20h 40m
星宇航空
Mon 21-1221:45
ONT
-
HKG
1 stop28h 45m
星宇航空
Deal found 1-7HK$7,160
Sat 31-1017:35
HKG
-
ONT
1 stop15h 15m
China Airlines
Wed 24-222:50
ONT
-
HKG
1 stop22h 10m
China Airlines
Deal found 1-7HK$7,255
Tue 1-921:15
HKG
-
ONT
1 stop36h 25m
China Airlines
Sun 27-900:10
ONT
-
HKG
1 stop21h 55m
China Airlines
Deal found 29-6HK$7,404
Fri 25-922:30
HKG
-
ONT
1 stop34h 16m
United Airlines
Sat 10-1013:52
ONT
-
HKG
1 stop24h 08m
United Airlines
Deal found 29-6HK$7,411
Tue 27-1014:05
HKG
-
ONT
1 stop18h 45m
China Airlines
Fri 12-222:50
ONT
-
HKG
1 stop19h 20m
China Airlines
Deal found 1-7HK$7,670
Tue 22-1217:35
HKG
-
ONT
1 stop15h 15m
China Airlines
Mon 4-122:50
ONT
-
HKG
1 stop18h 25m
China Airlines
Deal found 2-7HK$8,164

Find flight deals from Hong Kong to Ontario

Keep the following information in mind while searching for Hong Kong to Ontario flight deals. Data was last updated 4 July 2026.

Round-trip from

HK$6,721

One-way from

HK$3,757

Popular in

July

Cheapest in

November

Average price

HK$8,078
United Airlines
  • United Airlines
  • 5-11-8-11
  • 2 total stops
  • 35h 46m total
  • Hong Kong to Ontario
Search Deals
31-8
  • 31-8
  • 2 total stops
  • 53h 00m total
  • Hong Kong to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (HK$7,149 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,196 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Ontario 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 4 July 2026.
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 - ONT

HKGONT

Hong Kong Intl

Sun 11-10

11:45-15:22

1 stop18h 37m

Ontario

Wed 11-11

09:00-19:20

1 stop18h 20m

HK$6,721

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 5-11

10:35-12:01

1 stop17h 26m

Ontario

Sun 8-11

09:00-19:20

1 stop18h 20m

HK$6,721

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 30-10

22:30-22:53

1 stop15h 23m

Ontario

Sun 15-11

18:36-06:45

1 stop20h 09m

HK$6,721

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 1-10

11:45-15:22

1 stop18h 37m

Ontario

Thu 8-10

09:25-18:55

1 stop18h 30m

HK$6,721

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 1-10

11:45-15:22

1 stop18h 37m

Ontario

Thu 15-10

18:32-05:00

1 stop19h 28m

HK$7,121

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 25-9

22:30-17:46

1 stop34h 16m

Ontario

Sat 10-10

13:52-05:00

1 stop24h 08m

HK$7,411

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 25-11

22:30-17:55

1 stop35h 25m

Ontario

Mon 21-12

13:00-19:20

2 stops38h 20m

HK$8,345

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 27-8

11:05-18:40

1 stop22h 35m

Ontario

Thu 10-9

00:45-16:35

1 stop24h 50m

HK$8,996
Fastest return journey

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 17-7

17:35-18:40

1 stop16h 05m

Ontario

Fri 24-7

00:45-09:15

1 stop17h 30m

HK$8,996

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 20-7

14:05-18:40

1 stop19h 35m

Ontario

Thu 23-7

00:45-16:35

1 stop24h 50m

HK$9,278

Flights are sorted by cheapest return flights first.

Deals found on 2-7

Showing 1-10 of 21 resultsSorted by cheapest first
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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
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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 4 July 2026.
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
831 reviews
Check prices

Overall

8.3

Food

7.8

Boarding

8.3

Crew

8.5

Entertainment

8.0

Comfort

8.0

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
831 reviews
China Airlines
8.3
Very Good
831 reviews
Check prices

Overall

8.3

Food

7.8

Boarding

8.3

Crew

8.5

Entertainment

8.0

Comfort

8.0

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

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

  • 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 37m. 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$5,819), offers the cheapest pricing from Hong Kong to 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Hong Kong to Ontario

Discover the top airline that operate flights from Hong Kong to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 4 July 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestHK$5,819AverageHK$7,263FlexibilityNo cancel feeOn-time70%
Search China Airlines flights

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 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!

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