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$422+ Cheap flights from Ontario (ONT) to Hong Kong

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKG
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Hong Kong are usually found in April or March, booked 90 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Ontario to Hong Kong

Keep the following information in mind while searching for Ontario to Hong Kong flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$834
(oojo)

One-way from

$422
(Trip.com)

Popular in

June

Cheapest in

April

Average price

$941
Provider with most accurate pricing for Los Angeles-Hong Kong Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Hong Kong Intl flights.
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From Ontario to Hong Kong
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One-way flight from Ontario to Hong Kong
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Highest demand for flights based on searches. 18% potential increase in price ($243 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Ontario to Hong Kong

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 April 17, 2025.

This oojo deal was found by Cheapflights users on 4/17. 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.
Mon 11/1010:45 pmONT - HKG
1 stop19h 20mChina Airlines
Tue 11/185:35 pmHKG - ONT
1 stop15h 15mChina Airlines
Deal found 4/17$834
This Korean Air deal was found by Cheapflights users on 4/17. 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.
Mon 11/107:00 amONT - HKG
2 stops24h 10mKorean Air
Tue 11/186:10 pmHKG - ONT
2 stops35h 08mKorean Air
Deal found 4/17$852
This Delta deal was found by Cheapflights users on 4/16. 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.
Mon 11/176:00 amONT - HKG
2 stops25h 10mDelta
Thu 12/412:35 pmHKG - ONT
2 stops20h 42mDelta
Deal found 4/16$884
This United Airlines deal was found by Cheapflights users on 4/17. 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 4/217:05 amONT - HKG
1 stop20h 50mUnited Airlines
Mon 5/511:15 amHKG - ONT
1 stop18h 10mUnited Airlines
Deal found 4/17$975
This oojo deal was found by Cheapflights users on 4/17. 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.
Mon 9/111:10 pmONT - HKG
1 stop28h 45mSTARLUX Airlines
Tue 9/168:10 pmHKG - ONT
1 stop35h 55mSTARLUX Airlines
Deal found 4/17$1,007
This Kissandfly.com deal was found by Cheapflights users on 4/17. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/215:45 amONT - HKG
2 stops25h 45mMultiple Airlines
Mon 5/52:00 pmHKG - ONT
1 stop19h 00mMultiple Airlines
Deal found 4/17$1,047
This oojo deal was found by Cheapflights users on 4/17. 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.
Sun 9/287:17 pmONT - HKG
2 stops22h 33mEVA Air
Sat 10/47:40 pmHKG - ONT
2 stops29h 59mEVA Air
Deal found 4/17$1,131

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 17, 2025.
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

Depart

Return

Price

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 8/19

12:45 am-9:15 am

1 stop17h 30m

Hong Kong Intl

Thu 9/4

5:30 pm-6:40 pm

1 stop16h 10m

$834

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 9/16

7:00 am-10:30 pm

2 stops24h 30m

Hong Kong Intl

Tue 9/23

12:45 am-5:17 pm

2 stops31h 32m

$875

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Thu 5/8

6:00 am-10:40 am

2 stops37h 40m

Hong Kong Intl

Thu 5/29

12:20 pm-6:20 pm

2 stops21h 00m

$961

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Thu 5/8

3:10 pm-5:00 am

1 stop22h 50m

Hong Kong Intl

Thu 6/5

11:15 am-12:14 pm

1 stop15h 59m

$979

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 9/1

11:10 pm-6:55 pm

1 stop28h 45m

Hong Kong Intl

Tue 9/16

8:10 pm-5:05 pm

1 stop35h 55m

$1,007

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 5/23

9:41 pm-12:00 pm

2 stops47h 19m

Hong Kong Intl

Mon 6/2

11:20 am-5:05 pm

1 stop20h 45m

$1,082

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sun 9/28

7:17 pm-8:50 am

2 stops22h 33m

Hong Kong Intl

Sat 10/4

7:40 pm-10:39 am

2 stops29h 59m

$1,131

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 5/17

8:24 am-12:00 pm

2 stops36h 36m

$422

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 4/28

5:45 am-10:30 pm

2 stops25h 45m

$474

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 4/22

5:45 am-4:20 pm

2 stops43h 35m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 18 results
1
2

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 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 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 round-trip flight from Ontario to Hong Kong. Price data was last updated on April 11, 2025.

The price you pay for your flight from Ontario to Hong Kong may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of $991). Flying from Ontario to Hong Kong in July is currently the most expensive (average of $1,647). 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 ONT to HK?

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

It’s optimal to fly from Ontario to Hong Kong in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the morning.

Rainfall in Hong Kong by month

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

In terms of precipitation, rainfall in Hong Kong ranges from 0.8 - 15.4 inches per month. June is typically the wettest month, when rainfall can reach 15.4 in. January is typically the driest time to visit Hong Kong when rainfall is around 0.8 in.

Temperature in Hong Kong by month

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

If weather is an important factor for your trip to Hong Kong, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

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 April 17, 2025.
Read through reviews of airlines operating flights from Ontario to Hong Kong, such as STARLUX Airlines, EVA Air and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
154 reviews

Boarding

9.0

Crew

9.3

Food

8.9

Entertainment

9.0

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
154 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Boarding

9.0

Crew

9.3

Food

8.9

Entertainment

9.0

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,177 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Boarding

9.0

Crew

9.3

Food

8.9

Entertainment

9.0

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,064 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Boarding

9.0

Crew

9.3

Food

8.9

Entertainment

9.0

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very good
1,447 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Boarding

9.0

Crew

9.3

Food

8.9

Entertainment

9.0

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
844 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Boarding

9.0

Crew

9.3

Food

8.9

Entertainment

9.0

Comfort

9.0

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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.

  • What airport do you fly from for flights from Ontario to Hong Kong?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Hong Kong.

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

    According to our current data, China Airlines ($834), Korean Air ($875), and Delta ($961) offers the cheapest pricing from Ontario to Hong Kong. Users have found that China Airlines is 24% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $474 on Delta. Other airlines that offer cheap prices include Korean Air from $476 and Japan Airlines from $492 one-way.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of $991). Flying from Ontario to Hong Kong in July is currently the most expensive (average of $1,647). 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 3 airlines flying from Ontario to Hong Kong

Discover the top 3 airlines 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 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$851Average$1,216FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$891Average$984FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$977Average$1,238FlexibilityNo cancel feeOn-time69%

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