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$430+ Cheap flights from Ontario (ONT) to Hong Kong (HKG)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HKG
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Ontario to Hong Kong Intl 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

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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$839
(oojo)

One-way from

$430
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$941
Provider with most accurate pricing for Ontario-Hong Kong Intl flight deals.
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Provider most trusted by Cheapflights users for Ontario-Hong Kong Intl flights.
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From Ontario to Hong Kong Intl
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One-way flight from Ontario to Hong Kong Intl
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Highest demand for flights based on searches. 17% potential increase in price ($239 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 30, 2025.

This oojo deal was found by Cheapflights users on 4/27. 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 8/312:45 amONT - HKG
1 stop27h 10mChina Airlines
Thu 9/45:30 pmHKG - ONT
1 stop16h 10mChina Airlines
Deal found 4/27$839
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:00 amONT - HKG
2 stops24h 30mKorean Air
Mon 11/1712:55 amHKG - ONT
2 stops28h 23mKorean Air
Deal found 4/28$879
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 10/217:00 amONT - HKG
2 stops24h 30mDelta
Tue 11/1812:35 pmHKG - ONT
2 stops27h 11mDelta
Deal found 4/28$884
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:24 amONT - HKG
2 stops36h 36mMultiple Airlines
Sat 6/1411:20 amHKG - ONT
1 stop20h 45mMultiple Airlines
Deal found 4/29$914
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/56:48 pmONT - HKG
1 stop19h 12mUnited Airlines
Thu 5/1511:15 amHKG - ONT
1 stop16h 09mUnited Airlines
Deal found 4/28$979
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/411:45 pmONT - HKG
1 stop19h 10mSTARLUX Airlines
Fri 9/511:20 amHKG - ONT
1 stop20h 45mSTARLUX Airlines
Deal found 4/29$997
This oojo deal was found by Cheapflights users on 4/27. 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 9/16:00 amONT - HKG
2 stops28h 40mJapan Airlines
Sat 9/2010:40 amHKG - ONT
2 stops22h 43mJapan Airlines
Deal found 4/27$1,144
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:55 pmONT - HKG
2 stops22h 55mEVA Air
Sun 10/195:10 pmHKG - ONT
2 stops32h 29mEVA Air
Deal found 4/29$1,169

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 30, 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

Sun 8/3

12:45 am-6:55 pm

1 stop27h 10m

Hong Kong Intl

Thu 9/4

5:30 pm-6:40 pm

1 stop16h 10m

$839

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 10/21

7:00 am-10:30 pm

2 stops24h 30m

Hong Kong Intl

Mon 11/17

12:55 am-1:18 pm

2 stops28h 23m

$879

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 10/21

7:00 am-10:30 pm

2 stops24h 30m

Hong Kong Intl

Mon 11/17

12:55 am-5:17 pm

2 stops32h 22m

$884

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 5/10

8:24 am-12:00 pm

2 stops36h 36m

Hong Kong Intl

Sat 6/14

11:20 am-5:05 pm

1 stop20h 45m

$914

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 5/12

6:00 am-6:55 pm

1 stop21h 55m

Hong Kong Intl

Mon 6/2

11:15 am-12:14 pm

1 stop15h 59m

$979

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 8/4

11:45 pm-9:55 am

1 stop19h 10m

Hong Kong Intl

Fri 9/5

11:20 am-5:05 pm

1 stop20h 45m

$997

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 9/1

6:00 am-1:40 am

2 stops28h 40m

Hong Kong Intl

Sat 9/20

10:40 am-6:23 pm

2 stops22h 43m

$1,144

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Thu 10/16

6:55 pm-8:50 am

2 stops22h 55m

Hong Kong Intl

Sun 10/19

5:10 pm-10:39 am

2 stops32h 29m

$1,169

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 5/9

8:24 am-12:00 pm

2 stops36h 36m

$430

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Thu 5/8

6:00 am-10:30 pm

2 stops25h 30m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 17 results
1
2

Compare providers for flights from Ontario to Hong Kong

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Hong Kong in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Hong Kong flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Hong Kong flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Hong Kong flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Hong Kong flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Hong Kong flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 25, 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 HKG?

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 30, 2025.

One of the essential ways to save on airfare from Ontario to Hong Kong is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 19% on airfare.

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 30, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Ontario to Hong Kong 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
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,066 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Comfort

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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

    According to our current data, China Airlines ($839), Korean Air ($879), and Delta ($884) offers the cheapest pricing from Ontario to Hong Kong. Users have found that China Airlines is 23% 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 $469 on Korean Air. Other airlines that offer cheap prices include Delta from $474 and China Airlines from $476 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

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 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$851Average$1,216FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$887Average$982FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$977Average$1,238FlexibilityNo cancel feeOn-time69%

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