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Cheap flights from Ontario to Hong Kong from $351

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 4/5. 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

Enter your travel dates to find the best prices.
Delta Logo
7:30 am - 11:10 pmONT-HKG
23h 40m2 stops
Delta Logo
12:55 am - 11:58 pmHKG-ONT
39h 03m2 stops
$638Delta
Find Deal
mar., ene. 6 - sáb., ene. 24
Korean Air Logo
7:00 am - 10:30 pmONT-HKG
24h 30m2 stops
Korean Air Logo
12:45 am - 5:16 pmHKG-ONT
31h 31m2 stops
$641Korean Air
Find Deal
lun., may. 18 - mar., jun. 9
Delta Logo
4:49 pm - 11:10 pmONT-HKG
38h 21m2 stops
Delta Logo
12:55 am - 10:47 pmHKG-ONT
37h 52m2 stops
$643Delta
Find Deal
dom., nov. 30 - mié., dic. 3
Delta Logo
7:30 am - 11:10 pmONT-HKG
23h 40m2 stops
Delta Logo
12:35 pm - 10:38 pmHKG-ONT
25h 03m2 stops
$686Delta
Find Deal
sáb., mar. 7 - jue., mar. 12
Korean Air Logo
6:45 am - 11:10 pmONT-HKG
25h 25m2 stops
Korean Air Logo
6:10 pm - 5:15 pmHKG-ONT
38h 05m2 stops
$689Korean Air
Find Deal
vie., mar. 13 - sáb., mar. 28
Delta Logo
7:00 am - 10:30 pmONT-HKG
24h 30m2 stops
Delta Logo
12:20 pm - 10:40 pmHKG-ONT
25h 20m2 stops
$734Delta
Find Deal
sáb., abr. 18 - vie., may. 15
Multiple Airlines Logo
10:45 pm - 3:25 pmONT-HKG
25h 40m1 stop
Multiple Airlines Logo
1:00 pm - 4:50 pmHKG-ONT
18h 50m1 stop
$781Multiple Airlines
Find Deal
vie., mar. 13 - sáb., mar. 28
Multiple Airlines Logo
10:45 pm - 6:00 pmONT-HKG
28h 15m1 stop
Multiple Airlines Logo
10:00 am - 4:50 pmHKG-ONT
21h 50m1 stop
$782Multiple Airlines
Find Deal
vie., mar. 13 - sáb., mar. 28
Delta Logo
7:30 am - 4:50 pmONT-HKG
41h 20m2 stops
Delta Logo
6:10 pm - 9:38 pmHKG-ONT
43h 28m2 stops
$789Delta
Find Deal
dom., mar. 1 - sáb., mar. 7
Delta Logo
3:30 pm - 11:10 pmONT-HKG
39h 40m2 stops
Delta Logo
12:35 pm - 11:58 pmHKG-ONT
27h 23m2 stops
$796Delta
Find Deal
lun., ene. 5 - dom., ene. 25

Delta flights from Ontario to Hong Kong

Our best Delta deals on Ontario to Hong Kong flight tickets
Delta
Jan 12
ONT7:30 amOntario
23h 40m
2 stops
HKG11:10 pmHong Kong Intl
Feb 25
HKG12:35 pmHong Kong Intl
26h 05m
2 stops
ONT10:40 pmOntario
$638
Find similar
Delta
Dec 2
ONT6:40 amOntario
24h 30m
2 stops
HKG11:10 pmHong Kong Intl
Dec 25
HKG12:55 amHong Kong Intl
38h 59m
2 stops
ONT11:54 pmOntario
$686
Find similar
Delta
Apr 18
ONT7:00 amOntario
24h 30m
2 stops
HKG10:30 pmHong Kong Intl
May 14
HKG12:45 amHong Kong Intl
36h 55m
2 stops
ONT10:40 pmOntario
$734
Find similar

Korean Air flights from Ontario to Hong Kong

Our best Korean Air deals on Ontario to Hong Kong flight tickets
Korean Air
May 18
ONT7:00 amOntario
24h 30m
2 stops
HKG10:30 pmHong Kong Intl
Jun 9
HKG12:45 amHong Kong Intl
31h 31m
2 stops
ONT5:16 pmOntario
$641
Find similar
Korean Air
Dec 3
ONT6:40 amOntario
24h 30m
2 stops
HKG11:10 pmHong Kong Intl
Dec 26
HKG12:55 amHong Kong Intl
32h 13m
2 stops
ONT5:08 pmOntario
$689
Find similar
Korean Air
Mar 13
ONT6:45 amOntario
37h 35m
2 stops
HKG11:20 amHong Kong Intl
Mar 27
HKG12:55 amHong Kong Intl
36h 43m
2 stops
ONT10:38 pmOntario
$855
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 noviembre 20, 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

mar. 1/6

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

sáb. 1/24

12:55 am-11:58 pm

2 stops39h 03m

$638

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

lun. 5/18

7:00 am-10:30 pm

2 stops24h 30m

Hong Kong Intl

mar. 6/9

12:45 am-5:16 pm

2 stops31h 31m

$641

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

dom. 11/30

4:49 pm-11:10 pm

2 stops38h 21m

Hong Kong Intl

mié. 12/3

12:55 am-10:47 pm

2 stops37h 52m

$643

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

sáb. 3/7

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

jue. 3/12

12:35 pm-10:38 pm

2 stops25h 03m

$686

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

vie. 3/13

6:45 am-11:10 pm

2 stops25h 25m

Hong Kong Intl

sáb. 3/28

6:10 pm-5:15 pm

2 stops38h 05m

$689

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

sáb. 4/18

7:00 am-10:30 pm

2 stops24h 30m

Hong Kong Intl

vie. 5/15

12:20 pm-10:40 pm

2 stops25h 20m

$734

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

vie. 3/13

10:45 pm-3:25 pm

1 stop25h 40m

Hong Kong Intl

sáb. 3/28

1:00 pm-4:50 pm

1 stop18h 50m

$781

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

vie. 3/13

10:45 pm-6:00 pm

1 stop28h 15m

Hong Kong Intl

sáb. 3/28

10:00 am-4:50 pm

1 stop21h 50m

$782

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

dom. 3/1

7:30 am-4:50 pm

2 stops41h 20m

Hong Kong Intl

sáb. 3/7

6:10 pm-9:38 pm

2 stops43h 28m

$789

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

lun. 1/5

3:30 pm-11:10 pm

2 stops39h 40m

Hong Kong Intl

dom. 1/25

12:35 pm-11:58 pm

2 stops27h 23m

$796

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 $858. The month of September is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $879.

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 $1,074 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 $878 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

Direct flights

None
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 $837Free CancellationRating
8.3
782 reviews
Search China Airlines flights
United AirlinesPriceFrom $908Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
Cathay PacificPriceFrom $928Free CancellationRating
7.6
1,062 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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