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Cheap flights from Ontario to Hong Kong from $376

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 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Hong Kong

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 11:10 pm
ONT
-
HKG
26h 10m
2 stops
Delta Logo
12:35 pm - 10:34 pm
HKG
-
ONT
24h 59m
2 stops
$638Delta
Mon, Mar 9 - Mon, Mar 16
Korean Air Logo
7:00 am - 10:45 pm
ONT
-
HKG
24h 45m
2 stops
Korean Air Logo
12:45 am - 5:10 pm
HKG
-
ONT
31h 25m
2 stops
$642Korean Air
Tue, Apr 28 - Mon, May 18
Delta Logo
6:00 am - 11:10 pm
ONT
-
HKG
26h 10m
2 stops
Delta Logo
12:35 pm - 10:33 pm
HKG
-
ONT
24h 58m
2 stops
$688Delta
Mon, Mar 9 - Fri, Mar 13
Multiple Airlines Logo
11:10 pm - 9:10 pm
ONT
-
HKG
31h 00m
1 stop
Multiple Airlines Logo
9:15 am - 5:05 pm
HKG
-
ONT
22h 50m
1 stop
$738Multiple Airlines
Mon, Apr 13 - Fri, Apr 17
Multiple Airlines Logo
11:10 pm - 9:20 pm
ONT
-
HKG
31h 10m
1 stop
Multiple Airlines Logo
8:35 am - 5:05 pm
HKG
-
ONT
23h 30m
1 stop
$739Multiple Airlines
Fri, Apr 10 - Sat, May 2
Multiple Airlines Logo
11:10 pm - 12:25 am
ONT
-
HKG
34h 15m
1 stop
Multiple Airlines Logo
3:45 pm - 5:05 pm
HKG
-
ONT
16h 20m
1 stop
$756Multiple Airlines
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
11:10 pm - 9:10 pm
ONT
-
HKG
31h 00m
1 stop
Multiple Airlines Logo
3:45 pm - 5:05 pm
HKG
-
ONT
16h 20m
1 stop
$761Multiple Airlines
Fri, Apr 10 - Sat, May 2
Multiple Airlines Logo
11:10 pm - 11:45 pm
ONT
-
HKG
33h 35m
1 stop
Multiple Airlines Logo
9:55 am - 5:05 pm
HKG
-
ONT
22h 10m
1 stop
$772Multiple Airlines
Fri, Apr 10 - Sat, Apr 25
Multiple Airlines Logo
9:45 pm - 10:15 am
ONT
-
HKG
20h 30m
1 stop
Multiple Airlines Logo
6:50 pm - 4:50 pm
HKG
-
ONT
37h 00m
1 stop
$776Multiple Airlines
Sat, Mar 7 - Thu, Mar 12
Multiple Airlines Logo
11:45 pm - 9:10 pm
ONT
-
HKG
30h 25m
1 stop
Multiple Airlines Logo
10:50 pm - 5:40 pm
HKG
-
ONT
33h 50m
1 stop
$783Multiple Airlines
Wed, Aug 5 - Thu, Aug 13

China Airlines flights from Ontario to Hong Kong

Our best China Airlines deals on Ontario to Hong Kong flight tickets
China Airlines
Apr 16
ONT12:10 amOntario
21h 55m
1 stop
HKG1:05 pmHong Kong Intl
May 9
HKG5:35 pmHong Kong Intl
15h 25m
1 stop
ONT6:00 pmOntario
$809
China Airlines
Apr 14
ONT12:10 amOntario
18h 05m
1 stop
HKG9:15 amHong Kong Intl
Apr 29
HKG5:35 pmHong Kong Intl
15h 25m
1 stop
ONT6:00 pmOntario
$810
China Airlines
Apr 9
ONT12:10 amOntario
29h 00m
1 stop
HKG8:10 pmHong Kong Intl
Apr 27
HKG10:15 amHong Kong Intl
22h 45m
1 stop
ONT6:00 pmOntario
$812

United Airlines flights from Ontario to Hong Kong

Our best United Airlines deals on Ontario to Hong Kong flight tickets
United Airlines
Feb 28
ONT1:53 pmOntario
24h 52m
1 stop
HKG6:45 amHong Kong Intl
Mar 22
HKG10:35 amHong Kong Intl
16h 43m
1 stop
ONT12:18 pmOntario
$1,031
United Airlines
Feb 28
ONT1:45 pmOntario
25h 00m
2 stops
HKG6:45 amHong Kong Intl
Mar 21
HKG10:30 pmHong Kong Intl
15h 27m
1 stop
ONT10:57 pmOntario
$1,035
United Airlines
Feb 28
ONT1:53 pmOntario
37h 27m
1 stop
HKG7:20 pmHong Kong Intl
Mar 7
HKG10:30 pmHong Kong Intl
16h 27m
1 stop
ONT10:57 pmOntario
$1,037

momondo 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, momondo users made 832,500 searches. Data last updated February 23, 2026.
Use the filters below to find and compare flights from Ontario to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 3/9

6:00 am-11:10 pm

2 stops26h 10m

Hong Kong Intl

Mon 3/16

12:35 pm-10:34 pm

2 stops24h 59m

$638

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 4/28

7:00 am-10:45 pm

2 stops24h 45m

Hong Kong Intl

Mon 5/18

12:45 am-5:10 pm

2 stops31h 25m

$642

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 3/9

6:00 am-11:10 pm

2 stops26h 10m

Hong Kong Intl

Fri 3/13

12:35 pm-10:33 pm

2 stops24h 58m

$688

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 4/13

11:10 pm-9:10 pm

1 stop31h 00m

Hong Kong Intl

Fri 4/17

9:15 am-5:05 pm

1 stop22h 50m

$738

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 4/10

11:10 pm-9:20 pm

1 stop31h 10m

Hong Kong Intl

Sat 5/2

8:35 am-5:05 pm

1 stop23h 30m

$739

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 5/2

11:10 pm-12:25 am

1 stop34h 15m

Hong Kong Intl

Wed 5/6

3:45 pm-5:05 pm

1 stop16h 20m

$756

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 4/10

11:10 pm-9:10 pm

1 stop31h 00m

Hong Kong Intl

Sat 5/2

3:45 pm-5:05 pm

1 stop16h 20m

$761

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 4/10

11:10 pm-11:45 pm

1 stop33h 35m

Hong Kong Intl

Sat 4/25

9:55 am-5:05 pm

1 stop22h 10m

$772

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 3/7

9:45 pm-10:15 am

1 stop20h 30m

Hong Kong Intl

Thu 3/12

6:50 pm-4:50 pm

1 stop37h 00m

$776

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Wed 8/5

11:45 pm-9:10 pm

1 stop30h 25m

Hong Kong Intl

Thu 8/13

10:50 pm-5:40 pm

1 stop33h 50m

$783

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August is, on average, the cheapest month to fly to Hong Kong from Ontario, with most prices found around $875. The month of September is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $879.

How far in advance should I book a flight 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 $1,036 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 $817 on momondo.

Can stopping save me money on Ontario to Hong Kong flights?

You could potentially save up to 27% on your flight if you consider stops on a Ontario to Hong Kong flight.

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

Fastest flight time

18h 25m

Direct flights

None
The fastest flight from Ontario to Hong Kong takes 18h 25m
There are no direct flights from Ontario to Hong Kong. There are no popular flight routes from Ontario to Hong Kong.
Search flight deals

  • 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?

  • 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
China AirlinesPriceFrom $825Free CancellationRating
8.3
807 reviews
Search China Airlines flights
United AirlinesPriceFrom $908Free CancellationRating
7.4
9,342 reviews
Search United Airlines flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.6
1,178 reviews
Search Cathay Pacific flights

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.

An easier way to manage your Hong Kong trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Popular flights according to clicks in the last 7 days on momondo
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