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

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

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.

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

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

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

As of August 2026, there are 2 operators available to choose from for flights from Ontario Airport to Hong Kong.

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

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.

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

The necessary travel and health documents for your Hong Kong 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

2:05 pm - 5:05 pmHKG Hong Kong Intl-ONT Ontario

19h 00m1 stop Taipei City Taiwan Taoyuan Intl

$908China Airlines

Mon, Nov 23 - Fri, Dec 11

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

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

5:35 pm - 6:05 pmHKG Hong Kong Intl-ONT Ontario

15h 30m1 stop Taipei City Taiwan Taoyuan Intl

$908China Airlines

Sun, Oct 18 - Fri, Oct 30

10:50 pm - 1:00 pmONT Ontario-HKG Hong Kong Intl

22h 10m1 stop Taipei City Taiwan Taoyuan Intl

11:10 am - 5:05 pmHKG Hong Kong Intl-ONT Ontario

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$908China Airlines

Wed, Nov 25 - Fri, Dec 11

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

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

$923Multiple 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

1:56 pm - 5:00 amONT Ontario-HKG Hong Kong Intl

24h 04m1 stop San Francisco

11:55 pm - 2:01 pmHKG Hong Kong Intl-ONT Ontario

29h 06m2 stops Tokyo Haneda San Francisco

$1,046United Airlines

Mon, Sep 7 - Mon, Sep 14

Cheap last minute flights

Enter your travel dates to find the best prices.

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

$953China Airlines

Sat, Aug 29 - 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 - 6:00 pmHKG Hong Kong Intl-ONT Ontario

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

$979China Airlines

Wed, Aug 26 - Wed, Sep 30

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

17h 30m1 stop Taipei City Taiwan Taoyuan Intl

9:15 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

36h 25m1 stop Taipei City Taiwan Taoyuan Intl

$979China Airlines

Sat, Aug 29 - Sun, Sep 6

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

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

11:00 am - 6:40 pmHKG Hong Kong Intl-ONT Ontario

22h 40m2 stops Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl

$1,058Multiple Airlines

Sat, Aug 29 - Fri, Sep 4

11:55 pm - 10:00 amONT Ontario-HKG Hong Kong Intl

19h 05m1 stop Taipei City Taiwan Taoyuan Intl

12:55 pm - 5:05 pmHKG Hong Kong Intl-ONT Ontario

19h 10m1 stop Taipei City Taiwan Taoyuan Intl

$1,091Multiple Airlines

Sat, Aug 29 - Sat, Sep 5

12:45 am - 3:00 pmONT Ontario-HKG Hong Kong Intl

23h 15m2 stops Taipei City Taiwan Taoyuan Intl Manila Ninoy Aquino Intl

9:55 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

35h 45m2 stops Manila Ninoy Aquino Intl Taipei City Taiwan Taoyuan Intl

$1,130Multiple Airlines

Fri, Aug 28 - Mon, Sep 7

11:55 pm - 10:00 amONT Ontario-HKG Hong Kong Intl

19h 05m1 stop Taipei City Taiwan Taoyuan Intl

8:10 pm - 5:05 pmHKG Hong Kong Intl-ONT Ontario

35h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,172Multiple Airlines

Sat, Aug 29 - Sun, Sep 6

7:13 pm - 5:00 amONT Ontario-HKG Hong Kong Intl

18h 47m1 stop San Francisco

2:35 pm - 8:01 pmHKG Hong Kong Intl-ONT Ontario

20h 26m2 stops Tokyo Haneda San Francisco

$6,496United Airlines

Sun, Aug 30 - Thu, Sep 3

9:01 am - 10:35 pmONT Ontario-HKG Hong Kong Intl

22h 34m2 stops San Francisco Tokyo Narita

2:35 pm - 8:01 pmHKG Hong Kong Intl-ONT Ontario

20h 26m2 stops Tokyo Haneda San Francisco

$6,508United Airlines

Sun, Aug 30 - Thu, Sep 3

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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

Oct 2

ONT12:10 amOntario

18h 05m

1 stop

HKG9:15 amHong Kong Intl

Oct 4

HKG8:10 pmHong Kong Intl

36h 50m

1 stop

ONT6:00 pmOntario

$912

United Airlines flights from Ontario to Hong Kong

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

United Airlines

Sep 7

ONT1:56 pmOntario

24h 04m

1 stop

HKG5:00 amHong Kong Intl

Sep 14

HKG11:55 pmHong Kong Intl

29h 06m

2 stops

ONT2:01 pmOntario

$1,046

United Airlines

Sep 6

ONT6:08 amOntario

21h 47m

1 stop

HKG6:55 pmHong Kong Intl

Oct 21

HKG11:45 amHong Kong Intl

18h 37m

1 stop

ONT3:22 pmOntario

$1,094

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

Mon 11/23

10:50 pm-9:15 am

1 stop18h 25m

Hong Kong Intl

Fri 12/11

2:05 pm-5:05 pm

1 stop19h 00m

$908

Quickest round-trip

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 10/18

12:10 am-10:05 am

1 stop18h 55m

Hong Kong Intl

Fri 10/30

5:35 pm-6:05 pm

1 stop15h 30m

$908

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 11/25

10:50 pm-1:00 pm

1 stop22h 10m

Hong Kong Intl

Fri 12/11

11:10 am-5:05 pm

1 stop21h 55m

$908

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

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

$923

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

Mon 9/7

1:56 pm-5:00 am

1 stop24h 04m

Hong Kong Intl

Mon 9/14

11:55 pm-2:01 pm

2 stops29h 06m

$1,046

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 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.

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.

Cheap Ontario to Hong Kong 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

When did momondo last update prices for flights from Ontario Airport to Hong Kong?
Prices for flights from Ontario Airport to Hong Kong were last updated today.
How many operators does momondo search for flights from Ontario Airport to Hong Kong?
As of August 2026, there are 2 operators available to choose from for flights from Ontario Airport to Hong Kong.
How old do you have to be to fly from Ontario Airport to Hong Kong?
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.
What documentation or ID do you need to fly to Hong Kong?
The necessary travel and health documents for your Hong Kong 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 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 10,124 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?

It is quick and easy to find Ontario to Hong Kong flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hong Kong that suits you.

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

momondo does allow users to show only those flights to Hong Kong from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Ontario to Hong Kong flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Ontario to Hong Kong flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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Complete your trip

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Popular cities in Hong Kong

Flights to Hong Kongfrom $656

Cheap flights from Ontario to Hong Kong from $423

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 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Hong Kong

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

China Airlines flights from Ontario to Hong Kong

Our best China Airlines 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

momondo Fare Finder

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

See travel insights to Hong Kong from

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

What is the cheapest month to fly to Hong Kong?

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

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

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

What airlines fly to Hong Kong?

Cheap Ontario to Hong Kong flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

Popular cities in Hong Kong

Popular flights according to clicks in the last 7 days on momondo

Ontario flight routes

According to popular flight searches on momondo this year

Hong Kong flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Hong Kong

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

Cabin classes currently available on flights to Hong Kong

List of cabin classes available on flights landing in Hong Kong. Availability may vary depending on flight origin and airline.

Complete your trip to Hong Kong

Explore popular destinations other users love

According to popular flight searches on momondo this year