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Ontario

$445+ Cheap flights from Hong Kong 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ONT
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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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 August 1, 2025.

Round-trip from

$712
(Booking.com)

One-way from

$445
(Booking.com)

Popular in

November

Cheapest in

March

Average price

$1,244
From Hong Kong to Ontario
Search Deals
One-way flight from Hong Kong to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($55 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 August 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 August 1, 2025.

This Booking.com deal was found by Cheapflights users on 7/30. 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.
Sat 9/1311:20 amHKG - ONT
1 stop20h 45mSTARLUX Airlines
Sat 9/2011:10 pmONT - HKG
1 stop28h 45mSTARLUX Airlines
Deal found 7/30$712
This Gotogate deal was found by Cheapflights users on 7/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:30 pmHKG - ONT
1 stop16h 10mChina Airlines
Sat 9/1312:45 amONT - HKG
1 stop18h 20mChina Airlines
Deal found 7/31$726
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/111:15 amHKG - ONT
1 stop15h 58mUnited Airlines
Sun 9/146:50 pmONT - HKG
1 stop19h 10mUnited Airlines
Deal found 7/29$753
This iWofly deal was found by Cheapflights users on 7/30. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/318:10 pmHKG - ONT
1 stop35h 55mMultiple Airlines
Tue 9/96:00 amONT - HKG
2 stops25h 30mMultiple Airlines
Deal found 7/30$894
This Delta deal was found by Cheapflights users on 7/31. 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.
Sun 11/212:55 amHKG - ONT
2 stops37h 54mDelta
Fri 11/286:43 amONT - HKG
2 stops42h 07mDelta
Deal found 7/31$1,322
This Korean Air deal was found by Cheapflights users on 7/31. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:55 amHKG - ONT
2 stops35h 22mKorean Air
Wed 1/146:45 amONT - HKG
2 stops36h 35mKorean Air
Deal found 7/31$1,334

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 August 1, 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

Sat 9/13

11:20 am-5:05 pm

1 stop20h 45m

Ontario

Sat 9/20

11:10 pm-6:55 pm

1 stop28h 45m

$712

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

5:30 pm-6:40 pm

1 stop16h 10m

Ontario

Sat 9/13

12:45 am-10:05 am

1 stop18h 20m

$726

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

11:15 am-12:13 pm

1 stop15h 58m

Ontario

Sun 9/14

6:50 pm-5:00 am

1 stop19h 10m

$753

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 8/31

8:10 pm-5:05 pm

1 stop35h 55m

Ontario

Tue 9/9

6:00 am-10:30 pm

2 stops25h 30m

$894

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 11/2

12:55 am-10:49 pm

2 stops37h 54m

Ontario

Fri 11/28

6:43 am-4:50 pm

2 stops42h 07m

$1,322

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Tue 12/23

12:55 am-8:17 pm

2 stops35h 22m

Ontario

Wed 1/14

6:45 am-11:20 am

2 stops36h 35m

$1,334

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 8/25

1:25 am-6:24 pm

2 stops31h 59m

Ontario

Tue 11/11

3:08 pm-2:50 pm

2 stops31h 42m

$1,851

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 9/12

8:10 pm-5:05 pm

1 stop35h 55m

$445

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 9/6

10:15 am-6:40 pm

1 stop23h 25m

$456

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Fri 9/12

6:35 am-5:05 pm

2 stops49h 30m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 13 results
1
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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.

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 August 1, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, and Korean Air 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.
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Food

8.8

Overall

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
9.0
Wonderful
199 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Food

8.8

Overall

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
1,220 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Food

8.8

Overall

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
1,121 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Food

8.8

Overall

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
754 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Food

8.8

Overall

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
7,981 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Entertainment

8.9

Boarding

9.0

Comfort

8.9

Food

8.8

Overall

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 3.1 mi from the center of Ontario.

  • 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 $712. Other airlines that can offer you cheap pricing are China Airlines, from $726, and United Airlines, from $753. You may be able to fly from Hong Kong to Ontario for 28% 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 ($445), China Airlines ($456), and EVA Air ($556).

  • 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

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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 2,558,603 searches. Data last updated August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$768Average$1,013FlexibilityNo cancel feeOn-time70%

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