$436 Cheap Flights from Ontario (ONT) to Hong Kong (HKG)

View $436 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong International Airport (HKG)

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Cheap Flights from Ontario to Hong Kong (ONT-HKG)

Prices were available within the past 7 days and start at $436 for one-way flights and $772 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 24 - Wed, Nov 26
ONT
Ontario
HKG
Hong Kong SAR
$772 Roundtrip, found 1 day ago
$772
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 24 from Ontario to Hong Kong SAR, returning Wed, Nov 26, priced at $772 found 1 day ago
Korean Air
Mon, Sep 29 - Wed, Oct 1
ONT
Ontario
HKG
Hong Kong SAR
$775 Roundtrip, found 2 hours ago
$775
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Mon, Sep 29 from Ontario to Hong Kong SAR, returning Wed, Oct 1, priced at $775 found 2 hours ago
Delta
Sun, Nov 23 - Wed, Nov 26
ONT
Ontario
HKG
Hong Kong SAR
$777 Roundtrip, found 1 day ago
$777
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Nov 23 from Ontario to Hong Kong SAR, returning Wed, Nov 26, priced at $777 found 1 day ago
Delta
Sun, Nov 9 - Thu, Nov 13
ONT
Ontario
HKG
Hong Kong SAR
$781 Roundtrip, found 4 days ago
$781
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Nov 9 from Ontario to Hong Kong SAR, returning Thu, Nov 13, priced at $781 found 4 days ago
Delta
Mon, Sep 15 - Wed, Sep 17
ONT
Ontario
HKG
Hong Kong SAR
$787 Roundtrip, found 1 hour ago
$787
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Sep 15 from Ontario to Hong Kong SAR, returning Wed, Sep 17, priced at $787 found 1 hour ago
Delta
Mon, Sep 1 - Wed, Sep 3
ONT
Ontario
HKG
Hong Kong SAR
$787 Roundtrip, found 3 days ago
$787
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 1 from Ontario to Hong Kong SAR, returning Wed, Sep 3, priced at $787 found 3 days ago
Delta
Thu, Sep 25 - Wed, Oct 15
ONT
Ontario
HKG
Hong Kong SAR
$789 Roundtrip, found 1 hour ago
$789
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Sep 25 from Ontario to Hong Kong SAR, returning Wed, Oct 15, priced at $789 found 1 hour ago
China Airlines
Tue, Feb 10 - Fri, Feb 13
ONT
Ontario
HKG
Hong Kong SAR
$877 Roundtrip, found 10 hours ago
$877
Roundtrip
found 10 hours ago
Select China Airlines flight, departing Tue, Feb 10 from Ontario to Hong Kong SAR, returning Fri, Feb 13, priced at $877 found 10 hours ago
STARLUX Airlines
Fri, Sep 26 - Sun, Sep 28
ONT
Ontario
HKG
Hong Kong SAR
$902 Roundtrip, found 3 days ago
$902
Roundtrip
found 3 days ago
Select STARLUX Airlines flight, departing Fri, Sep 26 from Ontario to Hong Kong SAR, returning Sun, Sep 28, priced at $902 found 3 days ago
Japan Airlines
Thu, Sep 4 - Wed, Sep 17
ONT
Ontario
HKG
Hong Kong SAR
$1,053 Roundtrip, found 7 hours ago
$1,053
Roundtrip
found 7 hours ago
Select Japan Airlines flight, departing Thu, Sep 4 from Ontario to Hong Kong SAR, returning Wed, Sep 17, priced at $1,053 found 7 hours ago

Find the cheapest month to fly from Ontario (ONT) to Chek Lap Kok (HKG)

September is typically the cheapest month to fly

From $793 - $1,066 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chek Lap Kok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Macau Intl. MFM. Flights from $1,020
MFM
Macau Intl.
Flights from $1,020
Select flight to Shenzhen Intl. SZX. Flights from $1,129
SZX
Shenzhen Intl.
Flights from $1,129
Flights from Ontario (ONT) to Hong Kong (HKG)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Hong Kong Intl.
Airlines serving
Air France, American Airlines, British Airways, China Airlines, Delta, Japan Airlines, KLM, Korean Air, Qatar Airways, STARLUX Airlines, United
Roundtrip price
$771
Distance
7276 mi

Ontario to Hong Kong Flights

The cheapest times to fly from Ontario to Hong Kong

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ontario to Hong Kong are during the month of November. You can find some of the cheapest flights from Ontario to Hong Kong with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Hong Kong

Sunday is one of the best days to book for cheap flights from Ontario to Hong Kong: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ontario to Hong Kong

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ontario to Hong Kong in 2025. You can also book with separate airlines for your outbound and return journeys, from $436 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ontario to Hong Kong flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ontario to Hong Kong airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong Intl. Airport (HKG) cost?
Discover the latest flight deals from ONT to HKG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ONT to HKG?
The cheapest flights from ONT to HKG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong Intl. Airport (HKG)?
You can't fly nonstop from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hong Kong Intl. Airport (HKG). However, you can seamlessly travel to Hong Kong without any layovers by departing from Los Angeles Intl. Airport (LAX).
What is the cheapest airline that flies from ONT to HKG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ONT to HKG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong Intl. Airport (HKG)?
Direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong Intl. Airport (HKG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to HKG?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong Intl. Airport (HKG)?
To avoid potential delays on the Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong Intl. Airport (HKG) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong Intl. Airport (HKG) last-minute?
Booking your plane ticket from ONT to HKG shortly before your trip is usually more expensive. But if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book an ONT to HKG flight and hotel package?
Compared with arranging flights and hotels separately, booking an ONT to HKG flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Hong Kong Intl. Airport (HKG)?
In most instances, you can cancel or reschedule your ONT to HKG flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, go to our Customer Service portal.

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Ontario nearby Airports

Los Angeles

Los Angeles Intl. to Hong Kong
$624.31

Orange County

John Wayne to Hong Kong
$688.09

Burbank

Hollywood Burbank to Hong Kong
$788.91

Long Beach

Long Beach Municipal to Hong Kong
$992.71
*Available to One Key members.