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

China Airlines is the most popular carrier operating from Hong Kong Intl 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 39% 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 Intl Airport to Ontario Airport?

Prices for flights from Hong Kong Intl Airport to Ontario Airport refresh daily.

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

The number of operators available for flights from Hong Kong Intl Airport to Ontario Airport is 1 as of December 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Ontario Airport.

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

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$448 Cheap Flights from Hong Kong to Ontario in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:35 am - 8:50 pm

HKG

ONT

26h 15m2 stops

5:15 am - 7:20 pm

ONT

HKG

47h 05m2 stops

$623United Airlines

Sat, Mar 7 - Mon, Mar 9

10:30 pm - 5:43 pm

HKG

ONT

35h 13m1 stop

1:53 pm - 7:20 pm

ONT

HKG

37h 27m1 stop

$624United Airlines

Thu, Dec 25 - Wed, Jan 7

5:35 pm - 5:50 pm

HKG

ONT

15h 15m1 stop

12:10 am - 9:15 am

ONT

HKG

18h 05m1 stop

$709China Airlines

Tue, Mar 24 - Mon, May 11

2:00 pm - 6:00 pm

HKG

ONT

19h 00m1 stop

12:10 am - 1:00 pm

ONT

HKG

21h 50m1 stop

$732China Airlines

Tue, Apr 28 - Sun, May 3

5:35 pm - 5:50 pm

HKG

ONT

15h 15m1 stop

12:10 am - 1:00 pm

ONT

HKG

21h 50m1 stop

$740China Airlines

Tue, Mar 24 - Fri, May 29

7:45 pm - 3:50 pm

HKG

ONT

36h 05m1 stop

9:45 pm - 10:10 am

ONT

HKG

20h 25m1 stop

$742STARLUX Airlines

Thu, Dec 25 - Wed, Jan 7

5:30 pm - 6:00 pm

HKG

ONT

15h 30m1 stop

12:10 am - 9:15 am

ONT

HKG

18h 05m1 stop

$744China Airlines

Thu, Apr 2 - Mon, Apr 6

7:45 pm - 3:50 pm

HKG

ONT

36h 05m1 stop

9:45 pm - 10:10 am

ONT

HKG

20h 25m1 stop

$754STARLUX Airlines

Thu, Dec 25 - Wed, Jan 7

2:00 pm - 6:00 pm

HKG

ONT

19h 00m1 stop

12:10 am - 1:00 pm

ONT

HKG

21h 50m1 stop

$763China Airlines

Thu, Apr 2 - Mon, Apr 6

7:45 pm - 3:50 pm

HKG

ONT

36h 05m1 stop

9:45 pm - 6:30 pm

ONT

HKG

28h 45m1 stop

$768STARLUX Airlines

Thu, Dec 25 - Wed, Jan 7

United Airlines flights from Hong Kong to Ontario

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

United Airlines

Mar 7

HKG10:35 amHong Kong Intl

26h 15m

2 stops

ONT8:50 pmOntario

Mar 9

ONT5:15 amOntario

47h 05m

2 stops

HKG7:20 pmHong Kong Intl

$623

Find similar

United Airlines

Dec 25

HKG10:30 pmHong Kong Intl

35h 13m

1 stop

ONT5:43 pmOntario

Jan 7

ONT1:53 pmOntario

37h 27m

1 stop

HKG7:20 pmHong Kong Intl

$624

Find similar

United Airlines

Dec 23

HKG10:35 amHong Kong Intl

15h 26m

1 stop

ONT10:01 amOntario

Jan 1

ONT8:11 amOntario

19h 09m

1 stop

HKG7:20 pmHong Kong Intl

$842

Find similar

China Airlines flights from Hong Kong to Ontario

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

China Airlines

Mar 24

HKG5:35 pmHong Kong Intl

15h 15m

1 stop

ONT5:50 pmOntario

May 11

ONT12:10 amOntario

18h 05m

1 stop

HKG9:15 amHong Kong Intl

$709

Find similar

China Airlines

Apr 28

HKG2:00 pmHong Kong Intl

19h 00m

1 stop

ONT6:00 pmOntario

May 3

ONT12:10 amOntario

21h 50m

1 stop

HKG1:00 pmHong Kong Intl

$732

Find similar

China Airlines

Mar 24

HKG5:35 pmHong Kong Intl

15h 15m

1 stop

ONT5:50 pmOntario

May 29

ONT12:10 amOntario

21h 50m

1 stop

HKG1:00 pmHong Kong Intl

$740

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 3/7

10:35 am-8:50 pm

2 stops26h 15m

Ontario

Mon 3/9

5:15 am-7:20 pm

2 stops47h 05m

$623

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 12/25

10:30 pm-5:43 pm

1 stop35h 13m

Ontario

Wed 1/7

1:53 pm-7:20 pm

1 stop37h 27m

$624

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Tue 3/24

5:35 pm-5:50 pm

1 stop15h 15m

Ontario

Mon 5/11

12:10 am-9:15 am

1 stop18h 05m

$709

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Tue 4/28

2:00 pm-6:00 pm

1 stop19h 00m

Ontario

Sun 5/3

12:10 am-1:00 pm

1 stop21h 50m

$732

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Tue 3/24

5:35 pm-5:50 pm

1 stop15h 15m

Ontario

Fri 5/29

12:10 am-1:00 pm

1 stop21h 50m

$740

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 12/25

7:45 pm-3:50 pm

1 stop36h 05m

Ontario

Wed 1/7

9:45 pm-10:10 am

1 stop20h 25m

$742

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 4/2

5:30 pm-6:00 pm

1 stop15h 30m

Ontario

Mon 4/6

12:10 am-9:15 am

1 stop18h 05m

$744

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 12/25

7:45 pm-3:50 pm

1 stop36h 05m

Ontario

Wed 1/7

9:45 pm-10:10 am

1 stop20h 25m

$754

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 4/2

2:00 pm-6:00 pm

1 stop19h 00m

Ontario

Mon 4/6

12:10 am-1:00 pm

1 stop21h 50m

$763

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Thu 12/25

7:45 pm-3:50 pm

1 stop36h 05m

Ontario

Wed 1/7

9:45 pm-6:30 pm

1 stop28h 45m

$768

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.

When to book flights from Hong Kong to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Hong Kong to Ontario (HKG to ONT) flight deals and tips

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

Fastest flight time	16h 11m
Direct flights	None

The fastest flight from Hong Kong to Ontario takes 16h 11m

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

Search flight deals

How far is Hong Kong Intl to Ontario by plane?
A flight from Hong Kong Intl to Ontario will travel around 7258.2 mi. Flights usually cover this in 16h 11m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Hong Kong Intl Airport to Ontario Airport?
Prices for flights from Hong Kong Intl Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Hong Kong Intl Airport to Ontario Airport?
The number of operators available for flights from Hong Kong Intl Airport to Ontario Airport is 1 as of December 2025.
How old do you have to be to fly from Hong Kong Intl Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Hong Kong to Ontario?
momondo data reveals that the most frequently booked airline on the route from Hong Kong to Ontario is China Airlines, representing 100% of all bookings.

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 8.3 791 reviews		Search China Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to Ontario for you.

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

Yes. momondo enables you to select and highlight flights to Ontario from Hong Kong with this policy.

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

Once all potential Hong Kong to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.