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Cheap flights from Ontario to Hong Kong from $424

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 8/18. 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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Find the cheapest flights from Ontario to Hong Kong

Cheap round-trip flights

Korean Air Logo
6:00 am - 10:30 pmONT-HKG
25h 30m2 stops
Korean Air Logo
12:45 am - 5:00 pmHKG-ONT
31h 15m2 stops
$786Korean Air
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Mon, Aug 18 - Wed, Sep 17
Delta Logo
6:00 am - 11:10 pmONT-HKG
25h 10m2 stops
Delta Logo
12:35 pm - 10:38 pmHKG-ONT
26h 03m2 stops
$789Delta
Find Deal
Mon, Jan 12 - Mon, Feb 9
Korean Air Logo
6:00 am - 10:30 pmONT-HKG
25h 30m2 stops
Korean Air Logo
12:45 am - 5:10 pmHKG-ONT
31h 25m2 stops
$793Korean Air
Find Deal
Thu, Sep 18 - Wed, Oct 8
Delta Logo
5:05 pm - 11:20 amONT-HKG
50h 15m2 stops
Delta Logo
12:35 pm - 10:38 pmHKG-ONT
26h 03m2 stops
$795Delta
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Sun, Jan 11 - Wed, Feb 11
China Airlines Logo
10:50 pm - 9:15 amONT-HKG
18h 25m1 stop
China Airlines Logo
5:35 pm - 4:50 pmHKG-ONT
15h 15m1 stop
$844China Airlines
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Tue, Jan 20 - Mon, Jan 26
China Airlines Logo
10:50 pm - 9:15 amONT-HKG
18h 25m1 stop
China Airlines Logo
2:05 pm - 4:50 pmHKG-ONT
18h 45m1 stop
$852China Airlines
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Thu, Jan 15 - Sat, Jan 17
STARLUX Airlines Logo
11:10 pm - 9:55 amONT-HKG
19h 45m1 stop
STARLUX Airlines Logo
11:15 am - 3:50 pmHKG-ONT
20h 35m1 stop
$882STARLUX Airlines
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Sat, Oct 18 - Sat, Nov 8
STARLUX Airlines Logo
11:10 pm - 6:55 pmONT-HKG
28h 45m1 stop
STARLUX Airlines Logo
11:20 am - 5:05 pmHKG-ONT
20h 45m1 stop
$883STARLUX Airlines
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Sat, Oct 4 - Sat, Oct 11
Logo
11:10 pm - 9:55 amONT-HKG
19h 45m1 stop
Logo
12:55 pm - 5:05 pmHKG-ONT
19h 10m1 stop
$891
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Mon, Oct 6 - Wed, Oct 8
Logo
11:45 pm - 6:55 pmONT-HKG
28h 10m1 stop
Logo
6:50 pm - 5:05 pmHKG-ONT
37h 15m1 stop
$907
Find Deal
Sat, Aug 23 - Tue, Sep 2

China Airlines flights from Ontario to Hong Kong

Our best China Airlines deals on Ontario to Hong Kong flight tickets
China Airlines
Jan 20
ONT10:50 pmOntario
18h 25m
1 stop
HKG9:15 amHong Kong Intl
Jan 26
HKG5:35 pmHong Kong Intl
15h 15m
1 stop
ONT4:50 pmOntario
$844
Find similar
China Airlines
Jan 15
ONT10:50 pmOntario
18h 25m
1 stop
HKG9:15 amHong Kong Intl
Jan 17
HKG2:05 pmHong Kong Intl
18h 45m
1 stop
ONT4:50 pmOntario
$852
Find similar
China Airlines
Jan 15
ONT10:50 pmOntario
18h 25m
1 stop
HKG9:15 amHong Kong Intl
Feb 7
HKG5:35 pmHong Kong Intl
15h 15m
1 stop
ONT4:50 pmOntario
$861
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Alaska Airlines flights from Ontario to Hong Kong

Our best Alaska Airlines deals on Ontario to Hong Kong flight tickets
Alaska Airlines
Aug 5
ONT6:00 amOntario
25h 00m
2 stops
HKG10:00 pmHong Kong Intl
Oct 8
HKG10:40 amHong Kong Intl
22h 53m
2 stops
ONT6:33 pmOntario
$1,020
Find similar
Alaska Airlines
Aug 5
ONT6:00 amOntario
25h 00m
2 stops
HKG10:00 pmHong Kong Intl
Aug 8
HKG10:40 amHong Kong Intl
28h 35m
2 stops
ONT12:15 amOntario
$1,825
Find similar
Alaska Airlines
Aug 7
ONT12:00 pmOntario
43h 00m
2 stops
HKG10:00 pmHong Kong Intl
Aug 12
HKG10:40 amHong Kong Intl
28h 35m
2 stops
ONT12:15 amOntario
$2,015
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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 July 31, 2025.
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 8/18

6:00 am-10:30 pm

2 stops25h 30m

Hong Kong Intl

Wed 9/17

12:45 am-5:00 pm

2 stops31h 15m

$786

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 1/12

6:00 am-11:10 pm

2 stops25h 10m

Hong Kong Intl

Mon 2/9

12:35 pm-10:38 pm

2 stops26h 03m

$789

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Thu 9/18

6:00 am-10:30 pm

2 stops25h 30m

Hong Kong Intl

Wed 10/8

12:45 am-5:10 pm

2 stops31h 25m

$793

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sun 1/11

5:05 pm-11:20 am

2 stops50h 15m

Hong Kong Intl

Wed 2/11

12:35 pm-10:38 pm

2 stops26h 03m

$795

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 1/20

10:50 pm-9:15 am

1 stop18h 25m

Hong Kong Intl

Mon 1/26

5:35 pm-4:50 pm

1 stop15h 15m

$844

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Thu 1/15

10:50 pm-9:15 am

1 stop18h 25m

Hong Kong Intl

Sat 1/17

2:05 pm-4:50 pm

1 stop18h 45m

$852

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 10/18

11:10 pm-9:55 am

1 stop19h 45m

Hong Kong Intl

Sat 11/8

11:15 am-3:50 pm

1 stop20h 35m

$882

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 10/4

11:10 pm-6:55 pm

1 stop28h 45m

Hong Kong Intl

Sat 10/11

11:20 am-5:05 pm

1 stop20h 45m

$883

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 10/6

11:10 pm-9:55 am

1 stop19h 45m

Hong Kong Intl

Wed 10/8

12:55 pm-5:05 pm

1 stop19h 10m

$891

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 8/23

11:45 pm-6:55 pm

1 stop28h 10m

Hong Kong Intl

Tue 9/2

6:50 pm-5:05 pm

1 stop37h 15m

$907

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 April is, on average, the cheapest month to fly to Hong Kong from Ontario, with most prices found around $940. The month of March is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $952.

What is the cheapest day to depart on your flight to Hong Kong?

The cheapest day to depart from Ontario to Hong Kong is on a Monday. Travelers who choose to depart for Hong Kong on a Monday will often find tickets for as low as $974. The most expensive day to fly to Hong Kong is Saturday, with ticket prices averaging around $1,058.

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 $1,080 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 $887 on momondo.

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

Best Price Found

$424

Fastest flight time

17h 30m

Direct flights

None

Airports in Hong Kong

1 airport
The best one-way flight to Hong Kong from Ontario in the past 72 hours is $424. The best round-trip flight deal from Ontario to Hong Kong found on momondo in the last 72 hours is $786.
The fastest flight from Ontario to Hong Kong takes 17h 30m
There are no direct flights from Ontario to Hong Kong. Popular non-direct route for this connection is Ontario Airport - Hong Kong Intl Airport.
There is 1 airport near Hong Kong: Hong Kong Intl (HKG)
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
Cathay PacificPriceFrom $851Free CancellationRating
7.6
949 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom $872Free CancellationRating
8.3
754 reviews
Search China Airlines flights
United AirlinesPriceFrom $977Free CancellationRating
7.4
8,900 reviews
Search United Airlines 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

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