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$467+ Cheap flights from Hong Kong (HKG) to Ontario (ONT)

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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ONT
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap 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 June 16, 2025.

Round-trip from

$758
(China Airlines)

One-way from

$467
(Booking.com)

Popular in

November

Cheapest in

March

Average price

$788
From Hong Kong Intl to Ontario
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One-way flight from Hong Kong Intl to Ontario
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Highest demand for flights based on searches. 5% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 16, 2025.

This China Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:35 pmHKG - ONT
1 stop15h 15mChina Airlines
Fri 11/2810:45 pmONT - HKG
1 stop19h 20mChina Airlines
Deal found 6/14$758
This United Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1611:15 amHKG - ONT
1 stop15h 59mUnited Airlines
Sat 6/215:10 amONT - HKG
2 stops46h 45mUnited Airlines
Deal found 6/14$760
This Booking.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/158:10 pmHKG - ONT
1 stop35h 55mSTARLUX Airlines
Mon 6/3011:10 pmONT - HKG
1 stop19h 45mSTARLUX Airlines
Deal found 6/14$785
This FlightHub deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/181:10 pmHKG - ONT
1 stop18h 55mMultiple Airlines
Mon 7/1411:45 pmONT - HKG
1 stop19h 10mMultiple Airlines
Deal found 6/14$871
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1812:45 amHKG - ONT
2 stops38h 01mDelta
Sun 8/316:05 amONT - HKG
2 stops25h 25mDelta
Deal found 6/16$1,322
This IEagle deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1912:45 amHKG - ONT
2 stops31h 25mKorean Air
Thu 7/316:25 amONT - HKG
2 stops25h 05mKorean Air
Deal found 6/15$1,499
This oojo deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:05 pmHKG - ONT
2 stops35h 37mQatar Airways
Thu 3/196:00 amONT - HKG
2 stops48h 30mQatar Airways
Deal found 6/16$1,536
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/179:25 amHKG - ONT
2 stops28h 37mAmerican Airlines
Sun 7/2712:59 amONT - HKG
2 stops31h 01mAmerican Airlines
Deal found 6/15$1,608
This British Airways deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:00 pmHKG - ONT
2 stops32h 06mBritish Airways
Thu 8/214:54 pmONT - HKG
2 stops31h 36mBritish Airways
Deal found 6/15$2,362

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 16, 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

Depart

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 11/3

5:35 pm-4:50 pm

1 stop15h 15m

Ontario

Fri 11/28

10:45 pm-10:05 am

1 stop19h 20m

$758

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 6/28

11:15 am-12:14 pm

1 stop15h 59m

Ontario

Sat 7/5

1:19 pm-5:00 am

1 stop24h 41m

$760

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 7/9

11:20 am-5:40 pm

1 stop21h 20m

Ontario

Wed 7/16

11:45 pm-9:55 am

1 stop19h 10m

$989

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 7/17

10:35 pm-6:40 pm

2 stops35h 05m

Ontario

Thu 7/31

12:45 am-11:35 pm

2 stops31h 50m

$1,144

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 11/2

12:55 am-5:17 pm

2 stops32h 22m

Ontario

Fri 11/28

6:43 am-11:20 am

2 stops36h 37m

$1,322

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 11/20

6:05 pm-1:42 pm

2 stops35h 37m

Ontario

Thu 3/19

6:00 am-9:30 pm

2 stops48h 30m

$1,536

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 6/30

12:45 am-5:10 pm

2 stops31h 25m

Ontario

Thu 7/31

6:25 am-10:30 pm

2 stops25h 05m

$1,616

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 8/11

11:00 pm-4:06 pm

2 stops32h 06m

Ontario

Thu 8/21

4:54 pm-3:30 pm

2 stops31h 36m

$2,362

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 6/22

8:10 pm-5:05 pm

1 stop35h 55m

$467

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 9/20

2:00 pm-6:00 pm

1 stop19h 00m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 17 results
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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 round-trip 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 month to book a flight from Hong Kong to Ontario?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to Ontario (average of $246). Flying from Hong Kong to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from HKG 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 June 16, 2025.

It’s optimal to fly from Hong Kong to Ontario at noon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the morning.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 16, 2025.
To help decide which airline to fly from Hong Kong to Ontario, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Crew

9.3

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

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.
STARLUX Airlines
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Crew

9.3

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

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
1,204 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Crew

9.3

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

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.
Korean Air
8.4
Very good
1,090 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Crew

9.3

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

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
8.3
Very good
742 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Crew

9.3

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

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.
Delta
8.0
Very good
7,963 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Crew

9.3

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

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

    Cheapflights users have booked flights from Hong Kong to Ontario round-trip from $758. Other airlines that can offer you cheap pricing are United Airlines, from $760, and STARLUX Airlines, from $989. You may be able to fly from Hong Kong to Ontario for 24% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Hong Kong to Ontario are STARLUX Airlines ($467), China Airlines ($472), and United Airlines ($697).

  • 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 vacation 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.

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

    Currently, August is the cheapest month in which you can book a flight from Hong Kong to Ontario (average of $246). Flying from Hong Kong to Ontario in March is currently the most expensive (average of $328). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2,558,603 searches. Data last updated June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$768Average$989FlexibilityNo cancel feeOn-time70%

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