Which layover airport offers the lowest fares from Ontario to Hong Kong?

Flights via Taipei City (TPE) offer the lowest average round-trip price of $916.

Which airport is the most popular layover for flights between Ontario and Hong Kong?

Taipei City (TPE) was the most common stop: 94% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Hong Kong?

Cathay Pacific, United Airlines and China Airlines are the top three most popular airlines that fly to Hong Kong from Ontario according to our data. Cathay Pacific is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 17 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

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

Korean Air, Delta, and Alaska Airlines are the most popular carriers operating from Ontario to Hong Kong Intl

Which layover airport has the shortest travel time from Ontario to Hong Kong?

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 18h 38m.

Which layover airport has the shortest connection time from Ontario to Hong Kong?

Taipei City (TPE) has the shortest average layover time for this route: 2h 24m.

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

Prices for flights from Ontario Airport to Hong Kong Intl Airport were last updated today.

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

As of August 2025, there are 3 operators available to choose from for flights from Ontario Airport to Hong Kong Intl Airport.

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

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 Intl Airport.

What documentation or ID do you need to fly to Hong Kong Intl Airport?

The necessary travel and health documents for your Hong Kong Intl 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.

$357 Cheap Flights from Ontario to Hong Kong (ONT-HKG) in 2025

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Find the cheapest flights from Ontario to Hong Kong (ONT-HKG)

Round-trip

One-way

Last minute

Cheap round-trip flights

11:10 pm - 10:10 pmONT-HKG

32h 00m1 stop

9:00 am - 4:30 pmHKG-ONT

23h 30m1 stop

$771

Find Deal

Wed, Oct 22 - Sat, Nov 8

7:35 am - 10:30 pmONT-HKG

23h 55m2 stops

12:55 am - 5:17 pmHKG-ONT

32h 22m2 stops

$776Korean Air

Find Deal

Tue, Oct 21 - Tue, Dec 9

9:45 pm - 10:30 amONT-HKG

20h 45m1 stop

10:25 am - 4:30 pmHKG-ONT

22h 05m1 stop

$786

Find Deal

Fri, Nov 7 - Mon, Nov 17

7:35 am - 11:20 amONT-HKG

36h 45m2 stops

12:35 pm - 10:55 pmHKG-ONT

26h 20m2 stops

$789Delta

Find Deal

Sun, Oct 26 - Thu, Nov 13

5:49 pm - 11:10 pmONT-HKG

37h 21m2 stops

12:35 pm - 5:17 pmHKG-ONT

20h 42m2 stops

$796Delta

Find Deal

Sat, Nov 22 - Thu, Dec 4

10:50 pm - 9:15 amONT-HKG

18h 25m1 stop

5:30 pm - 6:00 pmHKG-ONT

15h 30m1 stop

$876China Airlines

Find Deal

Tue, Jan 20 - Wed, Apr 22

11:10 pm - 6:55 pmONT-HKG

28h 45m1 stop

11:20 am - 5:05 pmHKG-ONT

20h 45m1 stop

$883STARLUX Airlines

Find Deal

Mon, Sep 8 - Mon, Sep 22

12:10 am - 4:30 pmONT-HKG

25h 20m1 stop

10:20 am - 4:50 pmHKG-ONT

22h 30m1 stop

$888China Airlines

Find Deal

Tue, Oct 21 - Sat, Nov 8

9:36 am - 5:00 amONT-HKG

28h 24m1 stop

10:30 pm - 12:32 pmHKG-ONT

30h 02m2 stops

$900United Airlines

Find Deal

Tue, Oct 21 - Wed, Dec 10

6:38 pm - 5:45 amONT-HKG

20h 07m1 stop

10:30 pm - 10:51 pmHKG-ONT

16h 21m1 stop

$908United Airlines

Find Deal

Mon, Oct 27 - Thu, Nov 13

Delta flights from Ontario to Hong Kong

Our best Delta deals on Ontario to Hong Kong flight tickets

Delta

Oct 26

ONT7:35 amOntario

36h 45m

2 stops

HKG11:20 amHong Kong Intl

Nov 13

HKG12:35 pmHong Kong Intl

26h 20m

2 stops

ONT10:55 pmOntario

$789

Find similar

Delta

Nov 22

ONT5:49 pmOntario

37h 21m

2 stops

HKG11:10 pmHong Kong Intl

Dec 4

HKG12:35 pmHong Kong Intl

20h 42m

2 stops

ONT5:17 pmOntario

$796

Find similar

Delta

Nov 7

ONT7:35 amOntario

23h 35m

2 stops

HKG11:10 pmHong Kong Intl

Nov 16

HKG12:55 amHong Kong Intl

38h 00m

2 stops

ONT10:55 pmOntario

$813

Find similar

United Airlines flights from Ontario to Hong Kong

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

United Airlines

Aug 28

ONT6:50 pmOntario

19h 10m

1 stop

HKG5:00 amHong Kong Intl

Sep 10

HKG11:15 amHong Kong Intl

15h 58m

1 stop

ONT12:13 pmOntario

$875

Find similar

United Airlines

Oct 21

ONT9:36 amOntario

28h 24m

1 stop

HKG5:00 amHong Kong Intl

Dec 10

HKG10:30 pmHong Kong Intl

30h 02m

2 stops

ONT12:32 pmOntario

$900

Find similar

United Airlines

Aug 28

ONT6:50 pmOntario

19h 10m

1 stop

HKG5:00 amHong Kong Intl

Sep 10

HKG11:15 amHong Kong Intl

15h 58m

1 stop

ONT12:13 pmOntario

$907

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Wed 10/22

11:10 pm-10:10 pm

1 stop32h 00m

Hong Kong Intl

Sat 11/8

9:00 am-4:30 pm

1 stop23h 30m

$771

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 10/21

7:35 am-10:30 pm

2 stops23h 55m

Hong Kong Intl

Tue 12/9

12:55 am-5:17 pm

2 stops32h 22m

$776

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 11/7

9:45 pm-10:30 am

1 stop20h 45m

Hong Kong Intl

Mon 11/17

10:25 am-4:30 pm

1 stop22h 05m

$786

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sun 10/26

7:35 am-11:20 am

2 stops36h 45m

Hong Kong Intl

Thu 11/13

12:35 pm-10:55 pm

2 stops26h 20m

$789

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 11/22

5:49 pm-11:10 pm

2 stops37h 21m

Hong Kong Intl

Thu 12/4

12:35 pm-5:17 pm

2 stops20h 42m

$796

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 1/20

10:50 pm-9:15 am

1 stop18h 25m

Hong Kong Intl

Wed 4/22

5:30 pm-6:00 pm

1 stop15h 30m

$876

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 9/8

11:10 pm-6:55 pm

1 stop28h 45m

Hong Kong Intl

Mon 9/22

11:20 am-5:05 pm

1 stop20h 45m

$883

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 10/21

12:10 am-4:30 pm

1 stop25h 20m

Hong Kong Intl

Sat 11/8

10:20 am-4:50 pm

1 stop22h 30m

$888

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 10/21

9:36 am-5:00 am

1 stop28h 24m

Hong Kong Intl

Wed 12/10

10:30 pm-12:32 pm

2 stops30h 02m

$900

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 10/27

6:38 pm-5:45 am

1 stop20h 07m

Hong Kong Intl

Thu 11/13

10:30 pm-10:51 pm

1 stop16h 21m

$908

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 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

Prices

Airlines

Layovers

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 $927. The month of April is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $940.

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 $855. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,046.

What is the cheapest time of day to depart on your flight to Hong Kong?

The cheapest time of day to fly to Hong Kong is in the evening when flights can be purchased for as low as $918. At noon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,035 per ticket.

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 $1,075 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 $880 on momondo.

When to book flights from Ontario to Hong Kong

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

Estimated round-trip price

Cheap Ontario to Hong Kong (ONT to HKG) 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

How far is Ontario to Hong Kong Intl by plane?
The distance between Ontario and Hong Kong Intl is about 7258.2 mi. Flights usually cover this in 17h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Hong Kong Intl Airport?
Prices for flights from Ontario Airport to Hong Kong Intl Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Hong Kong Intl Airport?
As of August 2025, there are 3 operators available to choose from for flights from Ontario Airport to Hong Kong Intl Airport.
How old do you have to be to fly from Ontario Airport to Hong Kong Intl Airport?
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 Intl Airport.
What documentation or ID do you need to fly to Hong Kong Intl Airport?
The necessary travel and health documents for your Hong Kong Intl 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.
What is the most popular airline from Ontario to Hong Kong?
momondo data reveals that the most frequently booked airline on the route from Ontario to Hong Kong is China Airlines, representing 93% of all bookings. The subsequent popular airlines are United Airlines at 5% and Cathay Pacific at 3%.

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
Cathay Pacific	PriceFrom $851	Free Cancellation	Rating 7.6 975 reviews	Search Cathay Pacific flights
China Airlines	PriceFrom $853	Free Cancellation	Rating 8.3 765 reviews	Search China Airlines flights
United Airlines	PriceFrom $977	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Hong Kong. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between Ontario and Hong Kong 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 Ontario to Hong Kong right now. Can momondo alert me if prices change?

Price alerts on flights to Hong Kong from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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Cheap flights from Ontario to Hong Kong from $357

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 9/8. 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 (ONT-HKG)

Cheap round-trip flights

Cheap one-way flights

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Delta flights from Ontario to Hong Kong

Our best Delta deals on Ontario to Hong Kong flight tickets

United Airlines flights from Ontario to Hong Kong

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

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Use the filters below to find and compare flights from Ontario to Hong Kong that are best for you.

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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 $927. The month of April is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $940.

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 $855. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,046.

What is the cheapest time of day to depart on your flight to Hong Kong?

The cheapest time of day to fly to Hong Kong is in the evening when flights can be purchased for as low as $918. At noon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,035 per ticket.

How far in advance should I book a flight to Hong Kong?

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

Korean Air, Delta, and Alaska Airlines are the most popular carriers operating from Ontario to Hong Kong Intl

What airlines fly to Hong Kong?

Which airport is the most popular layover for flights between Ontario and Hong Kong?

Taipei City (TPE) was the most common stop: 94% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ontario to Hong Kong?

Flights via Taipei City (TPE) offer the lowest average round-trip price of $916.

Which layover airport has the shortest travel time from Ontario to Hong Kong?

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 18h 38m.

Which layover airport has the shortest connection time from Ontario to Hong Kong?

Taipei City (TPE) has the shortest average layover time for this route: 2h 24m.

When to book flights from Ontario to Hong Kong

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

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

Direct flights

How far is Ontario to Hong Kong Intl by plane?

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

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

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

What documentation or ID do you need to fly to Hong Kong Intl Airport?

What is the most popular airline from Ontario to Hong Kong?

Best airlines flying from Ontario to Hong Kong

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

Why use momondo?

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

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

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

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Hong Kong

Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo