Cheap flights from Ontario to Hong Kong from $413
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Hong Kong departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Tue 2/2
7:00 am-4:50 pm
2 stops41h 50m
Hong Kong Intl
Mon 2/22
12:55 am-10:43 pm
2 stops37h 48m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Tue 2/9
7:00 am-11:20 am
2 stops36h 20m
Hong Kong Intl
Mon 2/15
12:55 am-10:43 pm
2 stops37h 48m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Wed 1/13
7:00 am-11:10 pm
2 stops24h 10m
Hong Kong Intl
Thu 1/21
12:35 pm-10:43 pm
2 stops26h 08m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Wed 1/13
7:00 am-11:20 am
2 stops36h 20m
Hong Kong Intl
Tue 1/19
6:10 pm-10:43 pm
2 stops44h 33m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Tue 1/12
7:00 am-11:10 pm
2 stops24h 10m
Hong Kong Intl
Wed 1/20
12:35 pm-10:43 pm
2 stops26h 08m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Wed 2/10
7:00 am-11:10 pm
2 stops24h 10m
Hong Kong Intl
Tue 2/16
6:10 pm-10:43 pm
2 stops44h 33m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Mon 2/1
7:00 am-11:10 pm
2 stops24h 10m
Hong Kong Intl
Mon 2/8
12:55 am-4:12 pm
2 stops31h 17m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Wed 1/13
7:00 am-11:10 pm
2 stops24h 10m
Hong Kong Intl
Wed 1/20
12:35 pm-10:43 pm
2 stops26h 08m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Tue 11/3
10:50 pm-9:15 am
1 stop18h 25m
Hong Kong Intl
Fri 11/6
5:35 pm-5:05 pm
1 stop15h 30m
OntarioHong Kong
ONT Ontario - HKG Hong Kong Intl
ONTHKG
Ontario
Fri 10/30
11:50 pm-9:15 am
1 stop18h 25m
Hong Kong Intl
Fri 11/6
5:35 pm-5:05 pm
1 stop15h 30m
See travel insights to Hong Kong from
How to get the cheapest flight ticket from Ontario to Hong Kong
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Hong Kong?
The month of April is, on average, the cheapest month to fly to Hong Kong from Ontario, with most prices found around $875. The month of March is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $892.
How far in advance should I book a flight from Ontario to Hong Kong?
You are more likely to see cheaper flights to Hong Kong from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $1,117 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Ontario for as low as $895 on momondo.
What is the cheapest airline that flies from Ontario to Hong Kong?
Delta, Korean Air, and United Airlines are the most popular carriers operating from Ontario to Hong Kong
What airlines fly to Hong Kong?
Cathay Pacific, United Airlines and China Airlines are the top three most popular airlines that fly to Hong Kong from Ontario according to our data. Cathay Pacific is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 17 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to Hong Kong flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Hong Kong
Frequently asked questions about flying from Ontario to Hong Kong
When did momondo last update prices for flights from Ontario Airport to Hong Kong?
Prices for flights from Ontario Airport to Hong Kong were last updated today.
How many operators does momondo search for flights from Ontario Airport to Hong Kong?
As of October 2026, there is 1 operator available to choose from for flights from Ontario Airport to Hong Kong.
How old do you have to be to fly from Ontario Airport to Hong Kong?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Hong Kong.
What documentation or ID do you need to fly to Hong Kong?
The necessary travel and health documents for your Hong Kong trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Ontario to Hong Kong
Compare and see reviews for airlines that fly from Ontario to Hong Kong with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $832 | Free Cancellation | Rating 8.2 850 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Hong Kong?
It is quick and easy to find Ontario to Hong Kong flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hong Kong that suits you.
Can I find flights from Ontario to Hong Kong with flexible booking policies on momondo?
momondo does allow users to show only those flights to Hong Kong from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to Hong Kong?
Once you have performed a search for Ontario to Hong Kong flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to Hong Kong right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to Hong Kong flights. All you need is a valid email address and we will do the rest; it is that quick and easy.