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 43% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 16 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?

United Airlines, China Airlines, and Japan Airlines are the most popular carriers operating from Ontario to Hong Kong Intl

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 2026, there are 2 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.

$423 Cheap Flights from Ontario to Hong Kong in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Hong Kong

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:10 am - 4:35 pmONT Ontario-HKG Hong Kong Intl

25h 25m1 stop Taipei City Taiwan Taoyuan Intl

11:05 am - 6:00 pmHKG Hong Kong Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$908China Airlines

Fri, Oct 2 - Wed, Oct 7

10:50 pm - 9:15 amONT Ontario-HKG Hong Kong Intl

18h 25m1 stop Taipei City Taiwan Taoyuan Intl

8:05 pm - 5:05 pmHKG Hong Kong Intl-ONT Ontario

37h 00m1 stop Taipei City Taiwan Taoyuan Intl

$909China Airlines

Tue, Nov 17 - Mon, Nov 30

12:10 am - 8:10 pmONT Ontario-HKG Hong Kong Intl

29h 00m1 stop Taipei City Taiwan Taoyuan Intl

5:35 pm - 6:00 pmHKG Hong Kong Intl-ONT Ontario

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

$912China Airlines

Thu, Sep 24 - Sun, Sep 27

12:45 am - 1:05 pmONT Ontario-HKG Hong Kong Intl

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

5:35 pm - 6:00 pmHKG Hong Kong Intl-ONT Ontario

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

$914China Airlines

Sun, Sep 13 - Wed, Sep 30

11:30 pm - 9:55 amONT Ontario-HKG Hong Kong Intl

19h 25m1 stop Taipei City Taiwan Taoyuan Intl

11:20 am - 5:05 pmHKG Hong Kong Intl-ONT Ontario

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

$915STARLUX Airlines

Wed, Sep 2 - Sat, Sep 5

11:30 pm - 9:55 amONT Ontario-HKG Hong Kong Intl

19h 25m1 stop Taipei City Taiwan Taoyuan Intl

11:20 am - 5:05 pmHKG Hong Kong Intl-ONT Ontario

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

$917STARLUX Airlines

Wed, Sep 16 - Sat, Sep 19

12:10 am - 11:30 pmONT Ontario-HKG Hong Kong Intl

32h 20m2 stops Taipei City Taiwan Taoyuan Intl Manila Ninoy Aquino Intl

10:40 pm - 6:00 pmHKG Hong Kong Intl-ONT Ontario

34h 20m2 stops Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl

$920Multiple Airlines

Thu, Oct 1 - Sat, Oct 10

6:08 am - 6:55 pmONT Ontario-HKG Hong Kong Intl

21h 47m1 stop San Francisco

11:45 am - 3:22 pmHKG Hong Kong Intl-ONT Ontario

18h 37m1 stop San Francisco

$1,044United Airlines

Wed, Sep 23 - Wed, Sep 30

6:08 am - 6:55 pmONT Ontario-HKG Hong Kong Intl

21h 47m1 stop San Francisco

11:45 am - 3:22 pmHKG Hong Kong Intl-ONT Ontario

18h 37m1 stop San Francisco

$1,044United Airlines

Thu, Sep 10 - Wed, Sep 30

5:00 am - 6:55 pmONT Ontario-HKG Hong Kong Intl

22h 55m2 stops Denver Intl San Francisco

11:45 am - 8:58 pmHKG Hong Kong Intl-ONT Ontario

24h 13m2 stops San Francisco Denver Intl

$1,149United Airlines

Sun, Sep 20 - Sun, Sep 27

Cheap last minute flights

Enter your travel dates to find the best prices.

12:45 am - 9:15 amONT Ontario-HKG Hong Kong Intl

17h 30m1 stop Taipei City Taiwan Taoyuan Intl

5:35 pm - 6:00 pmHKG Hong Kong Intl-ONT Ontario

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

$932China Airlines

Thu, Aug 27 - Wed, Sep 23

12:45 am - 1:05 pmONT Ontario-HKG Hong Kong Intl

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

11:05 am - 6:40 pmHKG Hong Kong Intl-ONT Ontario

22h 35m1 stop Taipei City Taiwan Taoyuan Intl

$938China Airlines

Thu, Aug 27 - Fri, Sep 4

12:45 am - 10:05 amONT Ontario-HKG Hong Kong Intl

18h 20m1 stop Taipei City Taiwan Taoyuan Intl

5:35 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

16h 05m1 stop Taipei City Taiwan Taoyuan Intl

$940China Airlines

Sun, Aug 23 - Fri, Aug 28

12:45 am - 9:15 amONT Ontario-HKG Hong Kong Intl

17h 30m1 stop Taipei City Taiwan Taoyuan Intl

2:05 pm - 6:00 pmHKG Hong Kong Intl-ONT Ontario

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$942China Airlines

Thu, Aug 27 - Tue, Sep 22

12:45 am - 9:15 amONT Ontario-HKG Hong Kong Intl

17h 30m1 stop Taipei City Taiwan Taoyuan Intl

5:35 pm - 6:00 pmHKG Hong Kong Intl-ONT Ontario

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

$942China Airlines

Wed, Aug 26 - Wed, Sep 23

12:45 am - 11:30 pmONT Ontario-HKG Hong Kong Intl

31h 45m2 stops Taipei City Taiwan Taoyuan Intl Manila Ninoy Aquino Intl

10:40 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

35h 00m2 stops Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl

$995Multiple Airlines

Sun, Aug 23 - Fri, Aug 28

12:45 am - 11:30 pmONT Ontario-HKG Hong Kong Intl

31h 45m2 stops Taipei City Taiwan Taoyuan Intl Manila Ninoy Aquino Intl

10:40 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

35h 00m2 stops Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl

$996Multiple Airlines

Sun, Aug 23 - Fri, Aug 28

12:45 am - 11:30 pmONT Ontario-HKG Hong Kong Intl

31h 45m2 stops Taipei City Taiwan Taoyuan Intl Manila Ninoy Aquino Intl

11:15 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

34h 25m2 stops Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl

$1,203Multiple Airlines

Mon, Aug 24 - Sun, Sep 6

3:07 pm - 10:05 pmONT Ontario-HKG Hong Kong Intl

39h 58m2 stops Seattle/Tacoma Intl Tokyo Narita

10:50 pm - 5:05 pmHKG Hong Kong Intl-ONT Ontario

33h 15m1 stop Taipei City Taiwan Taoyuan Intl

$1,213Multiple Airlines

Wed, Aug 26 - Sun, Sep 6

9:01 am - 6:55 pmONT Ontario-HKG Hong Kong Intl

18h 54m1 stop San Francisco

11:45 am - 6:11 pmHKG Hong Kong Intl-ONT Ontario

21h 26m1 stop San Francisco

$1,383United Airlines

Tue, Aug 25 - Tue, Sep 1

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China Airlines flights from Ontario to Hong Kong

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

China Airlines

Oct 2

ONT12:10 amOntario

25h 25m

1 stop

HKG4:35 pmHong Kong Intl

Oct 7

HKG11:05 amHong Kong Intl

21h 55m

1 stop

ONT6:00 pmOntario

$908

China Airlines

Nov 17

ONT10:50 pmOntario

18h 25m

1 stop

HKG9:15 amHong Kong Intl

Nov 30

HKG8:05 pmHong Kong Intl

37h 00m

1 stop

ONT5:05 pmOntario

$909

China Airlines

Sep 24

ONT12:10 amOntario

29h 00m

1 stop

HKG8:10 pmHong Kong Intl

Sep 27

HKG5:35 pmHong Kong Intl

15h 25m

1 stop

ONT6:00 pmOntario

$912

Korean Air flights from Ontario to Hong Kong

Our best Korean Air deals on Ontario to Hong Kong flight tickets

Korean Air

Sep 1

ONT6:20 amOntario

25h 25m

2 stops

HKG10:45 pmHong Kong Intl

Sep 7

HKG12:45 amHong Kong Intl

36h 55m

2 stops

ONT10:40 pmOntario

$954

Korean Air

Sep 3

ONT6:20 amOntario

25h 25m

2 stops

HKG10:45 pmHong Kong Intl

Sep 9

HKG12:45 amHong Kong Intl

36h 55m

2 stops

ONT10:40 pmOntario

$1,163

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Fri 10/2

12:10 am-4:35 pm

1 stop25h 25m

Hong Kong Intl

Wed 10/7

11:05 am-6:00 pm

1 stop21h 55m

$908

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Tue 11/17

10:50 pm-9:15 am

1 stop18h 25m

Hong Kong Intl

Mon 11/30

8:05 pm-5:05 pm

1 stop37h 00m

$909

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 9/24

12:10 am-8:10 pm

1 stop29h 00m

Hong Kong Intl

Sun 9/27

5:35 pm-6:00 pm

1 stop15h 25m

$912

Quickest round-trip

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 9/13

12:45 am-1:05 pm

1 stop21h 20m

Hong Kong Intl

Wed 9/30

5:35 pm-6:00 pm

1 stop15h 25m

$914

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 9/2

11:30 pm-9:55 am

1 stop19h 25m

Hong Kong Intl

Sat 9/5

11:20 am-5:05 pm

1 stop20h 45m

$915

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 9/16

11:30 pm-9:55 am

1 stop19h 25m

Hong Kong Intl

Sat 9/19

11:20 am-5:05 pm

1 stop20h 45m

$917

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 10/1

12:10 am-11:30 pm

2 stops32h 20m

Hong Kong Intl

Sat 10/10

10:40 pm-6:00 pm

2 stops34h 20m

$920

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 9/23

6:08 am-6:55 pm

1 stop21h 47m

Hong Kong Intl

Wed 9/30

11:45 am-3:22 pm

1 stop18h 37m

$1,044

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 9/10

6:08 am-6:55 pm

1 stop21h 47m

Hong Kong Intl

Wed 9/30

11:45 am-3:22 pm

1 stop18h 37m

$1,044

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 9/20

5:00 am-6:55 pm

2 stops22h 55m

Hong Kong Intl

Sun 9/27

11:45 am-8:58 pm

2 stops24h 13m

$1,149

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

What is the typical price of a round-trip flight between Ontario and Hong Kong?

Prices are currently typical for flights on this route.

Typical prices usually range from $896 to $1,226.
The lowest price recently found on this route was $908.

What is the cheapest month to fly to Hong Kong?

The month of April is, on average, the cheapest month to fly to Hong Kong from Ontario, with most prices found around $875. The month of February is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $889.

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 Wednesday. Travelers who choose to depart for Hong Kong on a Wednesday will often find tickets for as low as $943. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,118.

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 morning when flights can be purchased for as low as $949. At noon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,232 per ticket.

How far in advance should I book a flight from Ontario 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 $1,106 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 $888 on momondo.

Can stopping save me money on Ontario to Hong Kong flights?

You could potentially save up to 14% on your flight if you consider stops on a Ontario to Hong Kong flight.

How have Ontario to Hong Kong flight prices changed over time?

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

Best Price Found	$423
Fastest flight time	18h 25m
Direct flights	None

The best one-way flight to Hong Kong from Ontario in the past 72 hours is $423. The best round-trip flight deal from Ontario to Hong Kong found on momondo in the last 72 hours is $908.

The fastest flight from Ontario to Hong Kong takes 18h 25m

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

Search flight deals

Frequently asked questions about flying from Ontario to Hong Kong

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 18h 25m, 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 2026, there are 2 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 96% of all bookings. The subsequent popular airline is United Airlines at 4%.

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
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.4 10,113 reviews		Search United Airlines flights
China Airlines	PriceFrom $830	Free Cancellation	Rating 8.3 843 reviews		Search China 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.