Hong Kong

$420+ Cheap flights from Ontario (ONT) to Hong Kong

ONT — HKG
Dec 5 — Dec 121
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Cheap flight deals from Ontario to Hong Kong

Cheapest flights from Ontario to Hong Kong

Sun 11/225:56 pm -
2 stops25h 24m
Tue 11/2412:55 am -
2 stops32h 21m
Deal found 11/3$807
Tue 12/17:00 am -
2 stops24h 10m
Tue 12/2212:35 pm -
2 stops19h 35m
Deal found 11/2$832
Sun 11/155:56 pm -
2 stops30h 54m
Tue 12/16:10 pm -
2 stops39h 05m
Deal found 11/3$835
Wed 12/27:00 am -
2 stops41h 50m
Wed 12/912:35 pm -
2 stops20h 40m
Deal found 11/4$882
Thu 12/37:00 am -
2 stops24h 10m
Fri 12/256:10 pm -
2 stops38h 48m
Deal found 11/3$887
Mon 12/77:00 am -
2 stops24h 10m
Sat 12/2612:55 am -
2 stops37h 42m
Deal found 11/3$890
Sun 11/295:56 pm -
2 stops37h 14m
Sun 12/612:35 pm -
2 stops26h 24m
Deal found 11/2$892
Sun 12/61:11 pm -
2 stops41h 59m
Fri 12/256:10 pm -
2 stops38h 48m
Deal found 11/3$893
Tue 11/106:00 am -
1 stop21h 20m
Thu 11/1210:35 am -
1 stop17h 54m
Deal found 11/3$900
Thu 11/59:25 am -
1 stop17h 55m
Wed 11/1810:35 am -
1 stop17h 54m
Deal found 11/2$907
Mon 11/29:25 am -
1 stop17h 55m
Mon 11/1610:30 pm -
1 stop16h 18m
Deal found 11/1$911
Thu 11/56:00 am -
1 stop21h 20m
Wed 11/1810:35 am -
1 stop17h 54m
Deal found 11/3$917

Find flight deals from Ontario to Hong Kong

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$807
(Korean Air)

One-way from

$420
(Delta)

Popular in

December

Cheapest in

April

Average price

$1,098
Provider with most accurate pricing for Los Angeles-Hong Kong Intl flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Hong Kong Intl flights.
From Ontario to Hong Kong
One-way flight from Ontario to Hong Kong
Highest demand for flights based on searches. 11% potential increase in price ($146 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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

Cheapest round-trip

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 2/1

7:00 am-4:50 pm

2 stops41h 50m

Hong Kong Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$420

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 12/7

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$420

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 1/31

3:35 pm-4:50 pm

2 stops33h 15m

Hong Kong Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$422

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Tue 11/24

5:00 am-6:45 am

2 stops33h 45m

Hong Kong Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$462

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 3/25

1:00 pm-5:45 am

2 stops25h 45m

Hong Kong Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$462

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 3/10

1:33 pm-6:45 am

1 stop25h 12m

Hong Kong Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$462

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 11/12

5:00 am-6:45 am

2 stops33h 45m

Hong Kong Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$462
Quickest round-trip

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 2/18

6:37 pm-6:45 am

1 stop20h 08m

Hong Kong Intl

Wed 12/31

12:00 am-8:00 am

Nonstop0h 00m

$462

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 11/25

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Thu 12/24

12:35 pm-6:00 pm

2 stops21h 25m

$832

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 1/20

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Sun 1/31

12:55 am-10:34 pm

2 stops37h 39m

$882

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Ontario to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to Hong Kong

What is the cheapest month to book a flight from Ontario to Hong Kong?

Currently, April is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of $875). Flying from Ontario to Hong Kong in December is currently the most expensive (average of $1,755). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Ontario to Hong Kong?

The price you pay for your flight from Ontario to Hong Kong may vary depending on when you book. For the best chance of a lower fare, look to book 6 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Hong Kong

Read through reviews of airlines operating flights from Ontario to Hong Kong, such as China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2026

SYD - TPE

The leg space was not enough other then that the crew were lovely.

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.3

Boarding

8.3

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2026

SYD - TPE

The leg space was not enough other then that the crew were lovely.

Related info for your journey

  • What airport do you fly from for flights from Ontario to Hong Kong?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Hong Kong.

  • How long is the flight from Ontario to Hong Kong?

    Departing from Ontario to Hong Kong will take you 20h 08m. The distance from Ontario to Hong Kong is about 7273 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Ontario to Hong Kong round-trip?

    According to our current data, China Airlines ($832), offers the cheapest pricing from Ontario to Hong Kong. Users have found that China Airlines is 26% cheaper than the other options available to this destination.

  • Can I find deals for flights from Ontario to Hong Kong that include hotel bookings?

    Yes. In addition to deals on Ontario to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Hong Kong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Hong Kong.

  • Can I find deals for business class flights from Ontario to Hong Kong?

    Yes. Cheapflights offers flight deals from Ontario to Hong Kong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Hong Kong?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Hong Kong (average of $875). Flying from Ontario to Hong Kong in December is currently the most expensive (average of $1,755). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ontario to Hong Kong

AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$832Average$986FlexibilityNo cancel feeOn-time70%

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