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Cheap flights from Ontario to Hong Kong from $335

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 2/15. 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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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
3:30 pm - 11:20 am
ONT
-
HKG
51h 50m2 stops
Delta Logo
12:35 pm - 10:44 pm
HKG
-
ONT
26h 09m2 stops
$619Delta
Sat, Feb 7 - Wed, Feb 11
Delta Logo
7:30 am - 11:10 pm
ONT
-
HKG
23h 40m2 stops
Delta Logo
12:35 pm - 11:49 pm
HKG
-
ONT
27h 14m2 stops
$639Delta
Tue, Feb 10 - Sun, Mar 1
Korean Air Logo
7:00 am - 10:30 pm
ONT
-
HKG
24h 30m2 stops
Korean Air Logo
12:20 pm - 5:16 pm
HKG
-
ONT
43h 56m2 stops
$642Korean Air
Tue, May 12 - Sun, Jun 21
Delta Logo
3:30 pm - 11:10 pm
ONT
-
HKG
39h 40m2 stops
Delta Logo
12:55 am - 10:34 pm
HKG
-
ONT
36h 39m2 stops
$644Delta
Sat, Mar 7 - Wed, Mar 18
Delta Logo
3:30 pm - 11:10 pm
ONT
-
HKG
39h 40m2 stops
Delta Logo
6:10 pm - 10:51 pm
HKG
-
ONT
44h 41m2 stops
$645Delta
Sat, Jan 17 - Sat, Jan 24
Delta Logo
6:00 am - 11:10 pm
ONT
-
HKG
25h 10m2 stops
Delta Logo
12:35 pm - 10:37 pm
HKG
-
ONT
26h 02m2 stops
$689Delta
Sat, Feb 14 - Wed, Feb 25
Korean Air Logo
7:00 am - 10:30 pm
ONT
-
HKG
24h 30m2 stops
Korean Air Logo
12:45 am - 5:16 pm
HKG
-
ONT
31h 31m2 stops
$692Korean Air
Fri, May 8 - Wed, Jun 17
Delta Logo
3:30 pm - 11:10 pm
ONT
-
HKG
39h 40m2 stops
Delta Logo
12:35 pm - 11:50 pm
HKG
-
ONT
26h 15m2 stops
$694Delta
Sat, Feb 7 - Fri, Mar 13
Korean Air Logo
7:30 am - 11:10 pm
ONT
-
HKG
23h 40m2 stops
Korean Air Logo
12:55 am - 10:37 pm
HKG
-
ONT
37h 42m2 stops
$699Korean Air
Sun, Feb 15 - Thu, Feb 19
Delta Logo
6:00 am - 11:10 pm
ONT
-
HKG
25h 10m2 stops
Delta Logo
12:35 pm - 10:37 pm
HKG
-
ONT
26h 02m2 stops
$739Delta
Sat, Feb 14 - Fri, Feb 27

Korean Air flights from Ontario to Hong Kong

Our best Korean Air deals on Ontario to Hong Kong flight tickets
Korean Air
May 12
ONT7:00 amOntario
24h 30m
2 stops
HKG10:30 pmHong Kong Intl
Jun 21
HKG12:20 pmHong Kong Intl
43h 56m
2 stops
ONT5:16 pmOntario
$642
Find similar
Korean Air
May 8
ONT7:00 amOntario
24h 30m
2 stops
HKG10:30 pmHong Kong Intl
Jun 17
HKG12:45 amHong Kong Intl
31h 31m
2 stops
ONT5:16 pmOntario
$692
Find similar
Korean Air
Feb 15
ONT7:30 amOntario
23h 40m
2 stops
HKG11:10 pmHong Kong Intl
Feb 19
HKG12:55 amHong Kong Intl
37h 42m
2 stops
ONT10:37 pmOntario
$699
Find similar

Delta flights from Ontario to Hong Kong

Our best Delta deals on Ontario to Hong Kong flight tickets
Delta
Feb 7
ONT3:30 pmOntario
51h 50m
2 stops
HKG11:20 amHong Kong Intl
Feb 11
HKG12:35 pmHong Kong Intl
26h 09m
2 stops
ONT10:44 pmOntario
$619
Find similar
Delta
Jan 15
ONT6:00 amOntario
25h 10m
2 stops
HKG11:10 pmHong Kong Intl
Jan 25
HKG12:55 amHong Kong Intl
37h 56m
2 stops
ONT10:51 pmOntario
$639
Find similar
Delta
Mar 7
ONT3:30 pmOntario
39h 40m
2 stops
HKG11:10 pmHong Kong Intl
Mar 18
HKG12:55 amHong Kong Intl
36h 39m
2 stops
ONT10:34 pmOntario
$644
Find similar

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 January 7, 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

Sat 2/7

3:30 pm-11:20 am

2 stops51h 50m

Hong Kong Intl

Wed 2/11

12:35 pm-10:44 pm

2 stops26h 09m

$619

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 2/10

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

Sun 3/1

12:35 pm-11:49 pm

2 stops27h 14m

$639

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 5/12

7:00 am-10:30 pm

2 stops24h 30m

Hong Kong Intl

Sun 6/21

12:20 pm-5:16 pm

2 stops43h 56m

$642

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 3/7

3:30 pm-11:10 pm

2 stops39h 40m

Hong Kong Intl

Wed 3/18

12:55 am-10:34 pm

2 stops36h 39m

$644

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 1/17

3:30 pm-11:10 pm

2 stops39h 40m

Hong Kong Intl

Sat 1/24

6:10 pm-10:51 pm

2 stops44h 41m

$645

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 2/14

6:00 am-11:10 pm

2 stops25h 10m

Hong Kong Intl

Wed 2/25

12:35 pm-10:37 pm

2 stops26h 02m

$689

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 5/8

7:00 am-10:30 pm

2 stops24h 30m

Hong Kong Intl

Wed 6/17

12:45 am-5:16 pm

2 stops31h 31m

$692

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 2/7

3:30 pm-11:10 pm

2 stops39h 40m

Hong Kong Intl

Fri 3/13

12:35 pm-11:50 pm

2 stops26h 15m

$694

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sun 2/15

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

Thu 2/19

12:55 am-10:37 pm

2 stops37h 42m

$699

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 2/14

6:00 am-11:10 pm

2 stops25h 10m

Hong Kong Intl

Fri 2/27

12:35 pm-10:37 pm

2 stops26h 02m

$739

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 $1,067 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 $853 on momondo.

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

You could potentially save up to 22% 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 10m

Direct flights

None
The fastest flight from Ontario to Hong Kong takes 18h 10m
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 $833Free CancellationRating
8.3
798 reviews
Search China Airlines flights
United AirlinesPriceFrom $908Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
Cathay PacificPriceFrom $928Free CancellationRating
7.6
1,122 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.
Start using Trips
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Popular flights according to clicks in the last 7 days on momondo
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