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Ontario

$479+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ONT
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$788
(Justfly.com)

One-way from

$479
(Booking.com)

Popular in

November

Cheapest in

March

Average price

$878
Provider with most accurate pricing for Hong Kong Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Hong Kong Intl-Los Angeles flights.
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From Hong Kong to Ontario
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One-way flight from Hong Kong to Ontario
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Highest demand for flights based on searches. 3% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 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 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 April 29, 2025.

This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1611:20 amHKG - ONT
1 stop20h 45mSTARLUX Airlines
Wed 6/2511:10 pmONT - HKG
1 stop19h 45mSTARLUX Airlines
Deal found 4/29$788
This China 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:15 amHKG - ONT
1 stop22h 45mChina Airlines
Fri 10/3111:45 pmONT - HKG
1 stop18h 30mChina Airlines
Deal found 4/28$799
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.
Wed 4/3010:30 pmHKG - ONT
2 stops29h 08mUnited Airlines
Sat 5/101:20 pmONT - HKG
2 stops38h 35mUnited Airlines
Deal found 4/28$835
This EVA Air 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:40 pmHKG - ONT
2 stops30h 17mMultiple Airlines
Mon 6/306:58 pmONT - HKG
2 stops24h 07mMultiple Airlines
Deal found 4/28$995
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/129:45 pmHKG - ONT
2 stops29h 39mEVA Air
Sun 5/256:32 pmONT - HKG
2 stops33h 23mEVA Air
Deal found 4/28$1,301
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/210:40 amHKG - ONT
2 stops26h 18mAmerican Airlines
Sun 6/2912:59 amONT - HKG
2 stops30h 01mAmerican Airlines
Deal found 4/28$1,358
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.
Sun 10/512:45 amHKG - ONT
2 stops31h 32mDelta
Fri 10/3111:29 amONT - HKG
2 stops44h 41mDelta
Deal found 4/28$1,375
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/301:25 amHKG - ONT
2 stops32h 36mQatar Airways
Thu 7/312:40 pmONT - HKG
2 stops40h 05mQatar Airways
Deal found 4/29$1,436
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:00 pmHKG - ONT
2 stops34h 36mBritish Airways
Sun 5/254:35 pmONT - HKG
2 stops31h 55mBritish Airways
Deal found 4/28$1,614

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 April 29, 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 6/16

11:20 am-5:05 pm

1 stop20h 45m

Ontario

Wed 6/25

11:10 pm-9:55 am

1 stop19h 45m

$788

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 10/6

10:15 am-6:00 pm

1 stop22h 45m

Ontario

Fri 10/31

11:45 pm-9:15 am

1 stop18h 30m

$799

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 10/6

10:30 pm-5:17 pm

2 stops33h 47m

Ontario

Mon 11/3

1:00 pm-6:45 am

2 stops25h 45m

$835

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 6/2

7:40 pm-10:57 am

2 stops30h 17m

Ontario

Mon 6/30

6:58 pm-10:05 am

2 stops24h 07m

$995

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 5/12

9:45 pm-12:24 pm

2 stops29h 39m

Ontario

Sun 5/25

6:32 pm-6:55 pm

2 stops33h 23m

$1,301

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 6/2

10:40 am-9:58 pm

2 stops26h 18m

Ontario

Sun 6/29

12:59 am-10:00 pm

2 stops30h 01m

$1,358

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 10/5

12:45 am-5:17 pm

2 stops31h 32m

Ontario

Fri 10/31

11:29 am-11:10 pm

2 stops44h 41m

$1,375

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 6/30

1:25 am-7:01 pm

2 stops32h 36m

Ontario

Thu 7/31

2:40 pm-9:45 pm

2 stops40h 05m

$1,436

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 5/12

11:00 pm-6:36 pm

2 stops34h 36m

Ontario

Sun 5/25

4:35 pm-3:30 pm

2 stops31h 55m

$1,614

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 9/10

11:20 am-5:05 pm

1 stop20h 45m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 results
1
2

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 HK 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 April 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Hong Kong to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking 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 April 29, 2025.
STARLUX Airlines
9.1
Wonderful
161 reviews

Entertainment

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

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

Entertainment

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

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

Entertainment

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

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

Entertainment

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

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

Entertainment

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

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.
Delta
8.0
Very good
7,929 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Entertainment

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Boarding

9.0

Food

8.9

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 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 $788. Other airlines that can offer you cheap pricing are China Airlines, from $799, and United Airlines, from $835. You may be able to fly from Hong Kong to Ontario for 25% 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 ($479), China Airlines ($529), and EVA Air ($584).

  • 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$768Average$1,135FlexibilityNo cancel feeOn-time70%

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