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

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

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 17 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 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 September 2026, there is 1 operator 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.

$413 Cheap Flights from Ontario to Hong Kong in 2026/27

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.

7:00 am - 11:10 pmONT Ontario-HKG Hong Kong Intl

24h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:35 pm - 4:12 pmHKG Hong Kong Intl-ONT Ontario

19h 37m2 stops Incheon Intl Salt Lake City

$830Delta

Tue, Jan 26 - Tue, Feb 16

7:00 am - 11:10 pmONT Ontario-HKG Hong Kong Intl

24h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:35 pm - 10:43 pmHKG Hong Kong Intl-ONT Ontario

26h 08m2 stops Incheon Intl Seattle/Tacoma Intl

$830Delta

Tue, Jan 26 - Wed, Feb 17

7:00 am - 11:10 pmONT Ontario-HKG Hong Kong Intl

24h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:35 pm - 10:43 pmHKG Hong Kong Intl-ONT Ontario

26h 08m2 stops Incheon Intl Seattle/Tacoma Intl

$830Delta

Mon, Jan 25 - Thu, Feb 18

7:00 am - 11:10 pmONT Ontario-HKG Hong Kong Intl

24h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:35 pm - 10:43 pmHKG Hong Kong Intl-ONT Ontario

26h 08m2 stops Incheon Intl Seattle/Tacoma Intl

$830Delta

Thu, Jan 21 - Thu, Mar 4

7:00 am - 11:10 pmONT Ontario-HKG Hong Kong Intl

24h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:35 pm - 10:43 pmHKG Hong Kong Intl-ONT Ontario

26h 08m2 stops Incheon Intl Seattle/Tacoma Intl

$830Delta

Wed, Jan 20 - Wed, Mar 3

7:00 am - 11:10 pmONT Ontario-HKG Hong Kong Intl

24h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:35 pm - 10:43 pmHKG Hong Kong Intl-ONT Ontario

26h 08m2 stops Incheon Intl Seattle/Tacoma Intl

$830Delta

Thu, Jan 21 - Wed, Mar 3

7:00 am - 11:10 pmONT Ontario-HKG Hong Kong Intl

24h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:45 am - 10:43 pmHKG Hong Kong Intl-ONT Ontario

36h 58m2 stops Incheon Intl Seattle/Tacoma Intl

$830Delta

Tue, Jan 26 - Tue, May 25

7:00 am - 11:10 pmONT Ontario-HKG Hong Kong Intl

24h 10m2 stops Seattle/Tacoma Intl Incheon Intl

12:35 pm - 4:12 pmHKG Hong Kong Intl-ONT Ontario

19h 37m2 stops Incheon Intl Salt Lake City

$830Delta

Mon, Jan 25 - Tue, Feb 16

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

19h 20m1 stop Taipei City Taiwan Taoyuan Intl

8:05 pm - 6:05 pmHKG Hong Kong Intl-ONT Ontario

37h 00m1 stop Taipei City Taiwan Taoyuan Intl

$882China Airlines

Sun, Feb 28 - Mon, Mar 15

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

22h 10m1 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

$905China Airlines

Mon, Mar 1 - Tue, Mar 30

Cheap last minute flights

Enter your travel dates to find the best prices.

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

$956Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

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

25h 25m1 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

$968China Airlines

Thu, Oct 1 - Sun, Oct 4

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

$973Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

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

18h 55m1 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

$974China Airlines

Thu, Oct 1 - Mon, Oct 5

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

$974Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

12:10 am - 9:15 amONT Ontario-HKG Hong Kong Intl

18h 05m1 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

$986China Airlines

Wed, Sep 30 - Wed, Oct 14

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

18h 55m1 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

$988China Airlines

Sun, Oct 4 - Mon, Oct 19

12:10 am - 9:15 amONT Ontario-HKG Hong Kong Intl

18h 05m1 stop Taipei City Taiwan Taoyuan Intl

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

15h 30m1 stop Taipei City Taiwan Taoyuan Intl

$989China Airlines

Wed, Sep 30 - Wed, Nov 11

12:10 am - 9:15 amONT Ontario-HKG Hong Kong Intl

18h 05m1 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

$994China Airlines

Wed, Sep 30 - Sun, Oct 4

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

18h 55m1 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

$995China Airlines

Thu, Oct 1 - Mon, Oct 5

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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

Feb 28

ONT10:50 pmOntario

19h 20m

1 stop

HKG10:10 amHong Kong Intl

Mar 15

HKG8:05 pmHong Kong Intl

37h 00m

1 stop

ONT6:05 pmOntario

$882

China Airlines

Oct 18

ONT12:10 amOntario

18h 55m

1 stop

HKG10:05 amHong Kong Intl

Oct 26

HKG8:05 pmHong Kong Intl

37h 00m

1 stop

ONT6:05 pmOntario

$901

China Airlines

Mar 1

ONT10:50 pmOntario

22h 10m

1 stop

HKG1:00 pmHong Kong Intl

Mar 30

HKG5:35 pmHong Kong Intl

15h 25m

1 stop

ONT6:00 pmOntario

$905

Delta flights from Ontario to Hong Kong

Our best Delta deals on Ontario to Hong Kong flight tickets

Delta

Jan 26

ONT7:00 amOntario

24h 10m

2 stops

HKG11:10 pmHong Kong Intl

May 25

HKG12:45 amHong Kong Intl

36h 58m

2 stops

ONT10:43 pmOntario

$830

Delta

Jan 24

ONT3:30 pmOntario

39h 40m

2 stops

HKG11:10 pmHong Kong Intl

Feb 16

HKG12:55 amHong Kong Intl

37h 48m

2 stops

ONT10:43 pmOntario

$835

Delta

Jan 24

ONT3:30 pmOntario

39h 40m

2 stops

HKG11:10 pmHong Kong Intl

Feb 16

HKG12:55 amHong Kong Intl

37h 48m

2 stops

ONT10:43 pmOntario

$836

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Tue 1/26

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Tue 2/16

12:35 pm-4:12 pm

2 stops19h 37m

$830

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Tue 1/26

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Wed 2/17

12:35 pm-10:43 pm

2 stops26h 08m

$830

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 1/25

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Thu 2/18

12:35 pm-10:43 pm

2 stops26h 08m

$830

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 1/21

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Thu 3/4

12:35 pm-10:43 pm

2 stops26h 08m

$830

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Wed 1/20

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Wed 3/3

12:35 pm-10:43 pm

2 stops26h 08m

$830

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Thu 1/21

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Wed 3/3

12:35 pm-10:43 pm

2 stops26h 08m

$830

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Tue 1/26

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Tue 5/25

12:45 am-10:43 pm

2 stops36h 58m

$830

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 1/25

7:00 am-11:10 pm

2 stops24h 10m

Hong Kong Intl

Tue 2/16

12:35 pm-4:12 pm

2 stops19h 37m

$830

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Sun 2/28

10:50 pm-10:10 am

1 stop19h 20m

Hong Kong Intl

Mon 3/15

8:05 pm-6:05 pm

1 stop37h 00m

$882

Quickest round-trip

OntarioHong Kong

ONT Ontario - HKG Hong Kong Intl

ONTHKG

Ontario

Mon 3/1

10:50 pm-1:00 pm

1 stop22h 10m

Hong Kong Intl

Tue 3/30

5:35 pm-6:00 pm

1 stop15h 25m

$905

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 low for flights on this route.

Typical prices usually range from $915 to $1,147.
The lowest price recently found on this route was $830.

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 March is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $892.

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 $981. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,140.

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 $978. At noon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,281 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 $1,116 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 $895 on momondo.

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

You could potentially save up to 16% 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	$413
Fastest flight time	18h 25m
Direct flights	None

The best one-way flight to Hong Kong from Ontario in the past 72 hours is $413. The best round-trip flight deal from Ontario to Hong Kong found on momondo in the last 72 hours is $830.

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 September 2026, there is 1 operator 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 100% of all bookings.

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
China Airlines	PriceFrom $832	Free Cancellation	Rating 8.3 847 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.