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Cheap flights from Ontario to Hong Kong from HK$2,735

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 30-4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKG
23 Mar — 30 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Hong Kong

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Hong Kong
Explore the most affordable flight options available from Ontario to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2026.

Mon 7-907:00
ONT
-
HKG
2 stops24h 45m
Korean Air
Wed 9-917:55
HKG
-
ONT
2 stops43h 45m
Korean Air
Deal found 18-2HK$4,798
Mon 13-407:00
ONT
-
HKG
2 stops24h 45m
Delta
Tue 28-412:20
HKG
-
ONT
2 stops19h 55m
Delta
Deal found 17-2HK$4,985
Sun 15-1107:00
ONT
-
HKG
2 stops24h 10m
Korean Air
Sun 6-1200:55
HKG
-
ONT
2 stops32h 22m
Korean Air
Deal found 19-2HK$5,017
Sun 15-1113:00
ONT
-
HKG
2 stops59h 50m
Delta
Sat 5-1200:55
HKG
-
ONT
2 stops32h 22m
Delta
Deal found 19-2HK$5,032
Mon 16-1107:00
ONT
-
HKG
2 stops36h 20m
Delta
Thu 10-1200:55
HKG
-
ONT
2 stops32h 22m
Delta
Deal found 19-2HK$5,376
Fri 20-1107:00
ONT
-
HKG
2 stops24h 10m
Korean Air
Sun 6-1200:55
HKG
-
ONT
2 stops32h 22m
Korean Air
Deal found 19-2HK$5,407
Sun 15-1113:00
ONT
-
HKG
2 stops59h 50m
Delta
Thu 10-1200:55
HKG
-
ONT
2 stops32h 22m
Delta
Deal found 19-2HK$5,423
Sat 14-1117:50
ONT
-
HKG
2 stops55h 00m
Delta
Thu 26-1100:55
HKG
-
ONT
2 stops38h 53m
Delta
Deal found 19-2HK$5,431
Mon 13-423:10
ONT
-
HKG
1 stop31h 00m
Multiple Airlines
Fri 17-409:15
HKG
-
ONT
1 stop22h 50m
Multiple Airlines
Deal found 21-2HK$5,767
Fri 10-423:10
ONT
-
HKG
1 stop31h 00m
Multiple Airlines
Sat 25-413:35
HKG
-
ONT
1 stop18h 30m
Multiple Airlines
Deal found 20-2HK$5,775
Fri 13-1107:00
ONT
-
HKG
2 stops24h 10m
Korean Air
Fri 27-1100:55
HKG
-
ONT
2 stops32h 22m
Korean Air
Deal found 19-2HK$5,798
Sat 2-523:10
ONT
-
HKG
1 stop34h 15m
Multiple Airlines
Wed 6-515:45
HKG
-
ONT
1 stop16h 20m
Multiple Airlines
Deal found 19-2HK$5,907

Find flight deals from Ontario to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Hong Kong (HKG). 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 21 February 2026.

Round-trip from

HK$4,985

One-way from

HK$2,735

Popular in

December

Cheapest in

August

Average price

HK$6,900
Delta
  • Delta
  • 13-4-28-4
  • 4 total stops
  • 44h 40m total
  • Ontario to Hong Kong
Search Deals
Korean Air
  • Korean Air
  • 30-4
  • 2 total stops
  • 24h 45m total
  • Ontario to Hong Kong
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (HK$12,302 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (HK$4,741 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Hong Kong 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 21 February 2026.
Use the filters below to find and compare flights from Ontario to Hong Kong that are best for you.

Fly from

Ontario

Fly to

Hong Kong

Route

Departure

Return

Price

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 13-4

07:00-22:45

2 stops24h 45m

Hong Kong Intl

Thu 23-4

12:20-17:15

2 stops19h 55m

HK$4,985

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 13-4

07:00-16:20

2 stops42h 20m

Hong Kong Intl

Tue 28-4

00:45-22:37

2 stops36h 52m

HK$4,985

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 3-3

07:30-23:10

2 stops23h 40m

Hong Kong Intl

Mon 16-3

00:55-23:51

2 stops37h 56m

HK$4,985

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 13-4

07:00-22:45

2 stops24h 45m

Hong Kong Intl

Fri 24-4

12:20-23:44

2 stops26h 24m

HK$5,376

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 13-4

00:10-13:05

1 stop21h 55m

Hong Kong Intl

Tue 5-5

14:05-18:00

1 stop18h 55m

HK$6,345

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Thu 23-7

07:00-22:45

2 stops24h 45m

Hong Kong Intl

Mon 10-8

00:45-22:40

2 stops36h 55m

HK$6,353

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 11-4

06:00-22:45

2 stops25h 45m

Hong Kong Intl

Wed 22-4

12:20-17:15

2 stops19h 55m

HK$6,361

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 13-4

07:00-22:45

2 stops24h 45m

Hong Kong Intl

Mon 27-4

12:20-17:15

2 stops19h 55m

HK$6,361

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sun 29-3

06:00-22:45

2 stops25h 45m

Hong Kong Intl

Sun 12-4

00:45-17:15

2 stops31h 30m

HK$6,392

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 31-3

06:00-22:45

2 stops25h 45m

Hong Kong Intl

Wed 15-4

00:45-17:15

2 stops31h 30m

HK$6,392

Flights are sorted by cheapest return flights first.

Deals found on 18-2

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Ontario 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 Ontario to Hong Kong

How far ahead should I book a flight from Ontario to Hong Kong?

Use this chart to determine the optimal time to book a return flight from Ontario to Hong Kong. Price data was last updated on 20 February 2026.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Hong Kong. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ontario to Hong Kong?

Currently, June is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of HK$3,821). Flying from Ontario to Hong Kong in July is currently the most expensive (average of HK$6,454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. 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 Hong Kong. Reviews last updated 21 February 2026.
See what other customers who have flown with China Airlines from Ontario to Hong Kong 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
807 reviews
Check prices

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Entertainment

8.0

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
807 reviews
China Airlines
8.3
Very Good
807 reviews
Check prices

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Entertainment

8.0

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

Find useful and relevant information for your journey from Ontario to Hong Kong. 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 Ontario to Hong Kong?

    A quick flight from Ontario to Hong Kong can take about 24h 45m. Delta provides one of the quickest options available for as low as HK$4,985. Airlines will cover a distance of 11705 km.

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

    Flying on China Airlines is currently your cheapest option to Hong Kong, with prices starting at HK$3,820. This flight start at 52% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Hong Kong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Hong Kong?

    Currently, June is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of HK$3,821). Flying from Ontario to Hong Kong in July is currently the most expensive (average of HK$6,454). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Fly from Ontario to Hong Kong on these airlines

Choose from the following airlines for your flight from Ontario to Hong Kong. Flights are based on user searches made on Cheapflights and were last updated on 21 February 2026.
China Airlines flights from Ontario to Hong Kong Intl

Top airline flying from Ontario to Hong Kong

Discover the top airline that operate flights from Ontario to Hong Kong. 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 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestHK$3,820AverageHK$7,686FlexibilityNo 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 Ontario to Hong Kong?

When you search for this flight from Ontario to Hong Kong, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Hong Kong for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Hong Kong from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Ontario to Hong Kong flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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