$518 Cheap Flights from Hong Kong (HKG) to Ontario (ONT)

View $518 flight on Tue, Oct 28, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $518 for one-way flights and $705 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Nov 1 - Mon, Dec 1
HKG
Hong Kong SAR
ONT
Ontario
$705 Roundtrip, found 2 days ago
$705
Roundtrip
found 2 days ago
Select United flight, departing Sat, Nov 1 from Hong Kong SAR to Ontario, returning Mon, Dec 1, priced at $705 found 2 days ago
United
Sat, Nov 8 - Fri, Nov 28
HKG
Hong Kong SAR
ONT
Ontario
$707 Roundtrip, found 4 hours ago
$707
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Nov 8 from Hong Kong SAR to Ontario, returning Fri, Nov 28, priced at $707 found 4 hours ago
United
Thu, Oct 30 - Sun, Nov 30
HKG
Hong Kong SAR
ONT
Ontario
$710 Roundtrip, found 2 days ago
$710
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 30 from Hong Kong SAR to Ontario, returning Sun, Nov 30, priced at $710 found 2 days ago
United
Fri, Oct 17 - Sat, Oct 25
HKG
Hong Kong SAR
ONT
Ontario
$711 Roundtrip, found 18 hours ago
$711
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Oct 17 from Hong Kong SAR to Ontario, returning Sat, Oct 25, priced at $711 found 18 hours ago
United
Fri, Oct 17 - Sat, Oct 25
HKG
Hong Kong SAR
ONT
Ontario
$713 Roundtrip, found 18 hours ago
$713
Roundtrip
found 18 hours ago
Select United flight, departing Fri, Oct 17 from Hong Kong SAR to Ontario, returning Sat, Oct 25, priced at $713 found 18 hours ago
United
Sat, Nov 1 - Sat, Nov 22
HKG
Hong Kong SAR
ONT
Ontario
$718 Roundtrip, found 4 hours ago
$718
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Nov 1 from Hong Kong SAR to Ontario, returning Sat, Nov 22, priced at $718 found 4 hours ago
STARLUX Airlines
Wed, Sep 24 - Fri, Oct 3
HKG
Hong Kong SAR
ONT
Ontario
$829 Roundtrip, found 11 hours ago
$829
Roundtrip
found 11 hours ago
Select STARLUX Airlines flight, departing Wed, Sep 24 from Hong Kong SAR to Ontario, returning Fri, Oct 3, priced at $829 found 11 hours ago
China Airlines
Wed, Sep 24 - Fri, Oct 3
HKG
Hong Kong SAR
ONT
Ontario
$855 Roundtrip, found 11 hours ago
$855
Roundtrip
found 11 hours ago
Select China Airlines flight, departing Wed, Sep 24 from Hong Kong SAR to Ontario, returning Fri, Oct 3, priced at $855 found 11 hours ago
Delta
Thu, Oct 30 - Wed, Dec 3
HKG
Hong Kong SAR
ONT
Ontario
$1,340 Roundtrip, found 2 days ago
$1,340
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 30 from Hong Kong SAR to Ontario, returning Wed, Dec 3, priced at $1,340 found 2 days ago
Korean Air
Thu, Oct 30 - Wed, Dec 3
HKG
Hong Kong SAR
ONT
Ontario
$1,343 Roundtrip, found 2 days ago
$1,343
Roundtrip
found 2 days ago
Select Korean Air flight, departing Thu, Oct 30 from Hong Kong SAR to Ontario, returning Wed, Dec 3, priced at $1,343 found 2 days ago

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

September is typically the cheapest month to fly

From $659 - $913 per traveler.

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Grab a cheap one-way flight from $518 or cheap return flight from $705 from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT)?
Planning your getaway for November can help you save, as it's the cheapest month for flights between HKG and ONT. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest HKG to ONT flight.
How many flights per day from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT)?
There aren't any daily nonstop flights departing from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from HKG to ONT?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT)?
To land at Los Angeles - Ontario Intl. Airport (ONT) on schedule, select a flight that leaves from Hong Kong Intl. Airport (HKG) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Ontario from Hong Kong Intl. Airport (HKG)?
Explore your flight options from Hong Kong Intl. Airport (HKG) to Los Angeles Intl. Airport (LAX). This is the only Ontario airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute fares from HKG to ONT are typically more expensive. For the best rates, start searching for flights early. That being said, if you can play around with your travel dates, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a HKG to ONT flight and hotel package?
Opting for a HKG to ONT flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Los Angeles - Ontario Intl. Airport (ONT)?
Generally, it's possible to cancel or reschedule your HKG to ONT flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Hong Kong Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
American Airlines, China Airlines, Delta, Japan Airlines, KLM, Korean Air, Qatar Airways, STARLUX Airlines, United
Roundtrip price
$705
Distance
7276 mi

Book with confidence

Book with confidence

Hong Kong to Ontario Flights

The cheapest times to fly from Hong Kong to Ontario

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 Hong Kong to Ontario are during the month of November. You can find some of the cheapest flights from Hong Kong to Ontario with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Hong Kong to Ontario: 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 Hong Kong to Ontario

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 Hong Kong to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $518 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 Hong Kong to Ontario 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 Hong Kong to Ontario 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.

 

Hong Kong to Ontario Flights

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*Available to One Key members.