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Cheap flights from Hong Kong to Ontario from HK$3,564

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 4-10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ONT
22 Jul — 29 Jul1
1 adult

Cheap 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 17 July 2025.

Round-trip from

HK$5,691

One-way from

HK$3,564

Popular in

November

Cheapest in

March

Average price

HK$9,451
China Airlines
  • China Airlines
  • 1-9-12-9
  • 2 total stops
  • 55h 00m total
  • Hong Kong to Ontario
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星宇航空
  • 星宇航空
  • 4-10
  • 1 total stop
  • 20h 45m total
  • Hong Kong to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (HK$3,374 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$2,325 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Hong Kong to Ontario

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 17 July 2025.

Mon 1-920:10HKG - ONT
1 stop37h 30mChina Airlines
Fri 12-900:45ONT - HKG
1 stop17h 30mChina Airlines
Deal found 16-7HK$5,691
Mon 1-911:20HKG - ONT
1 stop20h 45m星宇航空
Sat 13-923:10ONT - HKG
1 stop19h 45m星宇航空
Deal found 16-7HK$5,707
Fri 19-911:15HKG - ONT
1 stop15h 58mUnited Airlines
Sat 18-1018:36ONT - HKG
1 stop19h 24mUnited Airlines
Deal found 17-7HK$5,966
Fri 26-911:05HKG - ONT
1 stop21h 55mMultiple Airlines
Mon 6-1019:47ONT - HKG
2 stops22h 28mMultiple Airlines
Deal found 15-7HK$6,452

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 17 July 2025.
Use the filters below to find and compare flights from Hong Kong to Ontario that are best for you.

Fly from

Hong Kong

Fly to

Ontario

Route

Departure

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 1-9

20:10-18:40

1 stop37h 30m

Ontario

Fri 12-9

00:45-09:15

1 stop17h 30m

HK$5,691

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 1-9

11:20-17:05

1 stop20h 45m

Ontario

Sat 13-9

23:10-09:55

1 stop19h 45m

HK$5,707

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 19-9

11:15-12:13

1 stop15h 58m

Ontario

Sat 18-10

18:36-05:00

1 stop19h 24m

HK$5,966

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 26-9

11:05-18:00

1 stop21h 55m

Ontario

Mon 6-10

19:47-09:15

2 stops22h 28m

HK$6,452

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 4-10

11:20-17:05

1 stop20h 45m

HK$3,564

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 3-9

17:30-18:40

1 stop16h 10m

HK$3,595

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 20-9

13:30-10:44

2 stops36h 14m

HK$4,302

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 15-10

17:10-00:03

2 stops21h 53m

HK$4,364

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 1-9

11:15-20:43

2 stops24h 28m

HK$5,518

Flights are sorted by cheapest return flights first.

Deals found on 15-7

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

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

Find hourly flight availability from Hong Kong to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 July 2025.

When flying from Hong Kong to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 41% versus a flight in the morning.

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 17 July 2025.
See what other customers who have flown with 星宇航空, EVA Air, andChina 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.
星宇航空
9.0
Wonderful
Check prices

Overall

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.0
Wonderful
星宇航空
9.0
Wonderful
Check prices

Overall

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very Good
1,214 reviews
星宇航空
9.0
Wonderful
Check prices

Overall

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.2
Very Good
745 reviews
星宇航空
9.0
Wonderful
Check prices

Overall

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
United Airlines
7.4
Good
8,864 reviews
星宇航空
9.0
Wonderful
Check prices

Overall

9.0

Entertainment

9.0

Food

8.9

Boarding

9.0

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

  • What are the cheapest airlines flying from Hong Kong to Ontario round-trip?

    According to our current data, China Airlines (HK$5,691), 星宇航空 (HK$5,707), and United Airlines (HK$5,966) offers the cheapest pricing from Hong Kong to Ontario. These flights start at 27% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Hong Kong to Ontario one-way?

    HK$3,564 is the cheapest one-way deal found within the past few days, from 星宇航空. You may also be able to find cheap deals on China Airlines and EVA Air, with prices starting from HK$3,595 and HK$4,364, respectively.

  • 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 17 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestHK$5,855AverageHK$6,903FlexibilityNo 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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