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Cheap flights from Hong Kong to Ontario from HK$4,371

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 6-6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ONT
21 Jun — 28 Jun1
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 22 May 2026.

Wed 9-922:30
HKG
-
ONT
1 stop28h 42m
United Airlines
Sun 13-913:53
ONT
-
HKG
1 stop38h 02m
United Airlines
Deal found 17-5HK$7,121
Fri 19-611:45
HKG
-
ONT
1 stop25h 52m
Lufthansa
Sun 5-718:39
ONT
-
HKG
1 stop19h 21m
Lufthansa
Deal found 18-5HK$7,191
Wed 20-509:00
HKG
-
ONT
1 stop23h 05m
Multiple Airlines
Sat 27-623:10
ONT
-
HKG
1 stop19h 50m
Multiple Airlines
Deal found 19-5HK$7,230
Sat 6-611:20
HKG
-
ONT
1 stop20h 45m
星宇航空
Fri 23-1023:30
ONT
-
HKG
1 stop28h 00m
星宇航空
Deal found 20-5HK$7,254
Thu 3-922:50
HKG
-
ONT
1 stop33h 15m
Multiple Airlines
Mon 7-923:30
ONT
-
HKG
1 stop19h 25m
Multiple Airlines
Deal found 18-5HK$7,356
Fri 5-620:10
HKG
-
ONT
1 stop35h 55m
星宇航空
Sat 20-623:10
ONT
-
HKG
1 stop19h 45m
星宇航空
Deal found 20-5HK$7,395
Wed 16-911:20
HKG
-
ONT
1 stop20h 45m
星宇航空
Sat 3-1023:30
ONT
-
HKG
1 stop19h 25m
星宇航空
Deal found 19-5HK$7,410
Fri 19-620:10
HKG
-
ONT
1 stop35h 55m
星宇航空
Sat 20-623:10
ONT
-
HKG
1 stop19h 45m
星宇航空
Deal found 20-5HK$7,544
Sun 24-520:10
HKG
-
ONT
1 stop35h 55m
星宇航空
Sat 30-523:10
ONT
-
HKG
1 stop28h 45m
星宇航空
Deal found 17-5HK$7,606
Sat 13-613:10
HKG
-
ONT
1 stop18h 55m
Multiple Airlines
Sat 20-623:10
ONT
-
HKG
1 stop19h 45m
Multiple Airlines
Deal found 19-5HK$7,614
Mon 15-617:35
HKG
-
ONT
1 stop15h 25m
China Airlines
Thu 18-600:10
ONT
-
HKG
1 stop18h 05m
China Airlines
Deal found 19-5HK$7,622
Fri 12-617:35
HKG
-
ONT
1 stop15h 25m
China Airlines
Mon 22-600:10
ONT
-
HKG
1 stop18h 55m
China Airlines
Deal found 19-5HK$7,630

Find flight deals from Hong Kong to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 May 2026.

Round-trip from

HK$7,121

One-way from

HK$4,371

Popular in

January

Cheapest in

April

Average price

HK$7,254
United Airlines
  • United Airlines
  • 9-9-13-9
  • 2 total stops
  • 66h 44m total
  • Hong Kong to Ontario
Search Deals
星宇航空
  • 星宇航空
  • 6-6
  • 1 total stop
  • 20h 45m total
  • Hong Kong to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (HK$12,895 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (HK$3,218 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 22 May 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

Tue 13-10

11:45-15:22

1 stop18h 37m

Ontario

Mon 2-11

18:53-06:45

1 stop19h 52m

HK$7,121

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 9-9

11:45-20:53

2 stops24h 08m

Ontario

Sun 13-9

06:00-05:00

1 stop32h 00m

HK$7,121

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 12-6

11:05-18:00

1 stop21h 55m

Ontario

Tue 23-6

00:10-10:05

1 stop18h 55m

HK$7,857

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 29-6

14:05-18:00

1 stop18h 55m

Ontario

Sun 12-7

00:45-13:05

1 stop21h 20m

HK$8,805

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 5-6

11:45-22:37

1 stop25h 52m

Ontario

Sat 20-6

13:18-18:55

2 stops38h 37m

HK$9,087

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 11-6

01:25-23:11

2 stops36h 46m

Ontario

Wed 24-6

12:04-21:55

2 stops42h 51m

HK$10,121

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 1-7

10:10-17:40

1 stop22h 30m

Ontario

Sat 4-7

23:55-09:55

1 stop19h 00m

HK$10,489
Fastest return journey

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 1-8

17:35-18:40

1 stop16h 05m

Ontario

Sun 30-8

00:45-09:15

1 stop17h 30m

HK$10,881

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 1-8

17:35-18:40

1 stop16h 05m

Ontario

Thu 27-8

00:45-09:15

1 stop17h 30m

HK$10,881

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 2-9

01:25-23:24

2 stops36h 59m

Ontario

Sun 6-9

14:27-15:10

2 stops33h 43m

HK$12,009

Flights are sorted by cheapest return flights first.

Deals found on 18-5

Showing 1-10 of 23 resultsSorted by cheapest first
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2
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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

How much does it cost for a return flight from Hong Kong to Ontario?

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 22 May 2026.
Get a feel of what it's like to fly with China Airlines from Hong Kong to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
826 reviews
Check prices

Comfort

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Overall

8.3

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
826 reviews
China Airlines
8.3
Very Good
826 reviews
Check prices

Comfort

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Entertainment

8.0

Overall

8.3

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.

  • How long is the flight from Hong Kong to Ontario?

    United Airlines and China Airlines can get you from Hong Kong to Ontario in just under 18h 37m. Your travel time can differ by up to 3h 18m. 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$5,811), offers the cheapest pricing from Hong Kong to Ontario. This flight start at 17% 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

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Fly from Hong Kong to Ontario on these airlines

Choose from the following airlines for your flight from Hong Kong to Ontario. Flights are based on user searches made on Cheapflights and were last updated on 22 May 2026.
China Airlines flights from Hong Kong Intl to Ontario

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 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestHK$5,811AverageHK$6,773FlexibilityNo 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?

Deals for Hong Kong to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to Ontario.

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?

Of course! You can now track prices for flights from Hong Kong to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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