What is the cheapest airline that flies from Hong Kong to Ontario?

STARLUX Airlines and China Airlines are the most popular carriers operating from Hong Kong to Ontario

What airlines fly to Ontario?

Cathay Pacific, United Airlines and China Airlines are the top three most popular airlines that fly to Ontario from Hong Kong according to our data. Cathay Pacific is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Hong Kong to Ontario Airport?

Prices for flights from Hong Kong to Ontario Airport are updated daily.

How many operators does momondo search for flights from Hong Kong to Ontario Airport?

There is 1 operator available for flights from Hong Kong to Ontario Airport as of December 2025.

How old do you have to be to fly from Hong Kong to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport 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.

$432 Cheap Flights from Hong Kong to Ontario in 2025/26

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Find the cheapest flights from Hong Kong to Los Angeles

Round-trip

One-way

Last minute

Recent round-trip flight deals from Hong Kong to Los Angeles

Enter your travel dates to find the best prices.

10:30 pm - 10:53 pm

HKG

ONT

16h 23m1 stop

6:10 am - 7:20 pm

ONT

HKG

21h 10m1 stop

$624United Airlines

Sat, Jan 31 - Sat, Feb 28

10:35 am - 11:18 am

HKG

ONT

16h 43m1 stop

5:00 am - 6:45 am

ONT

HKG

33h 45m2 stops

$637United Airlines

Sun, Feb 8 - Sun, Feb 22

11:15 am - 3:50 pm

HKG

ONT

20h 35m1 stop

10:45 pm - 10:40 am

ONT

HKG

20h 55m1 stop

$691STARLUX Airlines

Mon, Mar 2 - Fri, Mar 20

9:10 pm - 4:50 pm

HKG

ONT

34h 40m1 stop

11:10 pm - 6:55 pm

ONT

HKG

28h 45m1 stop

$700STARLUX Airlines

Sun, Mar 15 - Wed, Apr 15

2:05 pm - 6:00 pm

HKG

ONT

18h 55m1 stop

12:45 am - 9:15 am

ONT

HKG

17h 30m1 stop

$709China Airlines

Sat, Jun 13 - Sat, Sep 5

5:35 pm - 5:50 pm

HKG

ONT

15h 15m1 stop

12:10 am - 1:05 pm

ONT

HKG

21h 55m1 stop

$713China Airlines

Mon, Mar 16 - Sun, Jun 14

11:10 am - 4:50 pm

HKG

ONT

21h 40m1 stop

12:10 am - 10:05 am

ONT

HKG

18h 55m1 stop

$743China Airlines

Tue, Jan 27 - Mon, Jun 15

2:05 pm - 4:50 pm

HKG

ONT

18h 45m1 stop

12:10 am - 10:05 am

ONT

HKG

18h 55m1 stop

$768China Airlines

Sun, Feb 1 - Sat, May 30

5:35 pm - 6:00 pm

HKG

ONT

15h 25m1 stop

12:10 am - 1:05 pm

ONT

HKG

21h 55m1 stop

$770China Airlines

Wed, Apr 22 - Sat, Apr 25

10:20 am - 4:50 pm

HKG

ONT

22h 30m1 stop

10:50 pm - 9:15 am

ONT

HKG

18h 25m1 stop

$774China Airlines

Mon, Jan 19 - Fri, Jan 23

STARLUX Airlines flights from Hong Kong to Ontario

Our best STARLUX Airlines deals on Hong Kong to Ontario flight tickets

STARLUX Airlines

Mar 2

HKG11:15 amHong Kong Intl

20h 35m

1 stop

ONT3:50 pmOntario

Mar 20

ONT10:45 pmOntario

20h 55m

1 stop

HKG10:40 amHong Kong Intl

$691

Find similar

STARLUX Airlines

Mar 15

HKG9:10 pmHong Kong Intl

34h 40m

1 stop

ONT4:50 pmOntario

Apr 15

ONT11:10 pmOntario

28h 45m

1 stop

HKG6:55 pmHong Kong Intl

$700

Find similar

STARLUX Airlines

Feb 5

HKG7:45 pmHong Kong Intl

36h 05m

1 stop

ONT3:50 pmOntario

Feb 13

ONT9:45 pmOntario

28h 45m

1 stop

HKG6:30 pmHong Kong Intl

$888

Find similar

China Airlines flights from Hong Kong to Ontario

Our best China Airlines deals on Hong Kong to Ontario flight tickets

China Airlines

Jun 13

HKG2:05 pmHong Kong Intl

18h 55m

1 stop

ONT6:00 pmOntario

Sep 5

ONT12:45 amOntario

17h 30m

1 stop

HKG9:15 amHong Kong Intl

$709

Find similar

China Airlines

Mar 16

HKG5:35 pmHong Kong Intl

15h 15m

1 stop

ONT5:50 pmOntario

Jun 14

ONT12:10 amOntario

21h 55m

1 stop

HKG1:05 pmHong Kong Intl

$713

Find similar

China Airlines

Jan 27

HKG11:10 amHong Kong Intl

21h 40m

1 stop

ONT4:50 pmOntario

Jun 15

ONT12:10 amOntario

18h 55m

1 stop

HKG10:05 amHong Kong Intl

$743

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 1/31

10:30 pm-10:53 pm

1 stop16h 23m

Ontario

Sat 2/28

6:10 am-7:20 pm

1 stop21h 10m

$624

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 2/8

10:35 am-11:18 am

1 stop16h 43m

Ontario

Sun 2/22

5:00 am-6:45 am

2 stops33h 45m

$637

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 3/2

11:15 am-3:50 pm

1 stop20h 35m

Ontario

Fri 3/20

10:45 pm-10:40 am

1 stop20h 55m

$691

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 3/15

9:10 pm-4:50 pm

1 stop34h 40m

Ontario

Wed 4/15

11:10 pm-6:55 pm

1 stop28h 45m

$700

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 6/13

2:05 pm-6:00 pm

1 stop18h 55m

Ontario

Sat 9/5

12:45 am-9:15 am

1 stop17h 30m

$709

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 3/16

5:35 pm-5:50 pm

1 stop15h 15m

Ontario

Sun 6/14

12:10 am-1:05 pm

1 stop21h 55m

$713

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Tue 1/27

11:10 am-4:50 pm

1 stop21h 40m

Ontario

Mon 6/15

12:10 am-10:05 am

1 stop18h 55m

$743

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 2/1

2:05 pm-4:50 pm

1 stop18h 45m

Ontario

Sat 5/30

12:10 am-10:05 am

1 stop18h 55m

$768

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 4/22

5:35 pm-6:00 pm

1 stop15h 25m

Ontario

Sat 4/25

12:10 am-1:05 pm

1 stop21h 55m

$770

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 1/19

10:20 am-4:50 pm

1 stop22h 30m

Ontario

Fri 1/23

10:50 pm-9:15 am

1 stop18h 25m

$774

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Hong Kong to Ontario

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

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Hong Kong to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $722. If you aren’t able to travel during the month of November, then book flights to Ontario from Hong Kong during March instead. Flights to Ontario in March, while not as cheap as those in November, still average around $780.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $1,088. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to Ontario for around $1,150.

Cheap Hong Kong to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Ontario

Fastest flight time	15h 15m
Direct flights	None

The fastest flight from Hong Kong to Ontario takes 15h 15m

There are no direct flights from Hong Kong to Ontario. There are no popular flight routes from Hong Kong to Ontario.

Search flight deals

When did momondo last update prices for flights from Hong Kong to Ontario Airport?
Prices for flights from Hong Kong to Ontario Airport are updated daily.
How many operators does momondo search for flights from Hong Kong to Ontario Airport?
There is 1 operator available for flights from Hong Kong to Ontario Airport as of December 2025.
How old do you have to be to fly from Hong Kong to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport 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 Hong Kong to Ontario

Compare and see reviews for airlines that fly from Hong Kong to Ontario with momondo

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $768	Free Cancellation	Rating 8.3 793 reviews		Search China Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Hong Kong to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Hong Kong to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Hong Kong to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Hong Kong to Ontario?

momondo helps you find the best flight between Hong Kong and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Hong Kong to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Hong Kong and alert you when they change.