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

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

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

Taipei City (TPE) was the most common stop: 97% of momondo users choosing 1-stop flights on this route connected there.

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 40m.

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 54% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 18 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

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 33m.

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 $858.

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 November 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.

$303 Cheap Flights from Ontario to Hong Kong in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

8:13 am - 4:15 amONT-HKG

28h 02m2 stops

2:00 am - 10:28 pmHKG-ONT

36h 28m2 stops

$678Multiple Airlines

Find Deal

Mon, Feb 2 - Sun, Feb 8

7:30 am - 11:10 pmONT-HKG

23h 40m2 stops

12:35 pm - 10:40 pmHKG-ONT

26h 05m2 stops

$729Delta

Find Deal

Wed, Jan 14 - Thu, Feb 12

6:45 am - 11:20 amONT-HKG

37h 35m2 stops

12:45 am - 5:16 pmHKG-ONT

31h 31m2 stops

$733Korean Air

Find Deal

Wed, Mar 18 - Tue, Apr 28

6:00 pm - 11:20 amONT-HKG

50h 20m2 stops

12:20 pm - 10:40 pmHKG-ONT

25h 20m2 stops

$735Delta

Find Deal

Sat, Mar 21 - Thu, Apr 30

7:30 am - 11:10 pmONT-HKG

23h 40m2 stops

12:35 pm - 11:53 pmHKG-ONT

27h 18m2 stops

$778Delta

Find Deal

Fri, Jan 16 - Tue, Feb 17

9:45 pm - 10:30 amONT-HKG

20h 45m1 stop

1:40 pm - 3:50 pmHKG-ONT

18h 10m1 stop

$781Multiple Airlines

Find Deal

Mon, Nov 17 - Fri, Nov 21

6:45 am - 11:20 amONT-HKG

37h 35m2 stops

5:55 pm - 10:40 pmHKG-ONT

43h 45m2 stops

$782Korean Air

Find Deal

Fri, Mar 20 - Sat, May 2

7:30 am - 11:10 pmONT-HKG

23h 40m2 stops

12:35 pm - 10:40 pmHKG-ONT

26h 05m2 stops

$788Delta

Find Deal

Tue, Jan 13 - Thu, Feb 12

10:50 pm - 10:10 amONT-HKG

19h 20m1 stop

10:20 am - 4:50 pmHKG-ONT

22h 30m1 stop

$835China Airlines

Find Deal

Mon, Feb 2 - Mon, Feb 9

10:50 pm - 1:00 pmONT-HKG

22h 10m1 stop

5:35 pm - 4:50 pmHKG-ONT

15h 15m1 stop

$839China Airlines

Find Deal

Fri, Jan 16 - Sun, Feb 15

Delta flights from Ontario to Hong Kong

Our best Delta deals on Ontario to Hong Kong flight tickets

Delta

Jan 14

ONT7:30 amOntario

23h 40m

2 stops

HKG11:10 pmHong Kong Intl

Feb 12

HKG12:35 pmHong Kong Intl

26h 05m

2 stops

ONT10:40 pmOntario

$729

Find similar

Delta

Mar 21

ONT6:00 pmOntario

50h 20m

2 stops

HKG11:20 amHong Kong Intl

Apr 30

HKG12:20 pmHong Kong Intl

25h 20m

2 stops

ONT10:40 pmOntario

$735

Find similar

Delta

Jan 16

ONT7:30 amOntario

23h 40m

2 stops

HKG11:10 pmHong Kong Intl

Feb 17

HKG12:35 pmHong Kong Intl

27h 18m

2 stops

ONT11:53 pmOntario

$778

Find similar

Korean Air flights from Ontario to Hong Kong

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

Korean Air

Mar 18

ONT6:45 amOntario

37h 35m

2 stops

HKG11:20 amHong Kong Intl

Apr 28

HKG12:45 amHong Kong Intl

31h 31m

2 stops

ONT5:16 pmOntario

$733

Find similar

Korean Air

Mar 20

ONT6:45 amOntario

37h 35m

2 stops

HKG11:20 amHong Kong Intl

May 2

HKG5:55 pmHong Kong Intl

43h 45m

2 stops

ONT10:40 pmOntario

$782

Find similar

Korean Air

Apr 13

ONT7:00 amOntario

24h 30m

2 stops

HKG10:30 pmHong Kong Intl

May 13

HKG12:45 amHong Kong Intl

36h 55m

2 stops

ONT10:40 pmOntario

$792

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 2/2

8:13 am-4:15 am

2 stops28h 02m

Hong Kong Intl

Sun 2/8

2:00 am-10:28 pm

2 stops36h 28m

$678

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Wed 1/14

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

Thu 2/12

12:35 pm-10:40 pm

2 stops26h 05m

$729

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Wed 3/18

6:45 am-11:20 am

2 stops37h 35m

Hong Kong Intl

Tue 4/28

12:45 am-5:16 pm

2 stops31h 31m

$733

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Sat 3/21

6:00 pm-11:20 am

2 stops50h 20m

Hong Kong Intl

Thu 4/30

12:20 pm-10:40 pm

2 stops25h 20m

$735

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 1/16

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

Tue 2/17

12:35 pm-11:53 pm

2 stops27h 18m

$778

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 11/17

9:45 pm-10:30 am

1 stop20h 45m

Hong Kong Intl

Fri 11/21

1:40 pm-3:50 pm

1 stop18h 10m

$781

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 3/20

6:45 am-11:20 am

2 stops37h 35m

Hong Kong Intl

Sat 5/2

5:55 pm-10:40 pm

2 stops43h 45m

$782

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Tue 1/13

7:30 am-11:10 pm

2 stops23h 40m

Hong Kong Intl

Thu 2/12

12:35 pm-10:40 pm

2 stops26h 05m

$788

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Mon 2/2

10:50 pm-10:10 am

1 stop19h 20m

Hong Kong Intl

Mon 2/9

10:20 am-4:50 pm

1 stop22h 30m

$835

OntarioHong Kong

ONT - HKG

ONTHKG

Ontario

Fri 1/16

10:50 pm-1:00 pm

1 stop22h 10m

Hong Kong Intl

Sun 2/15

5:35 pm-4:50 pm

1 stop15h 15m

$839

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

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 $858. The month of September is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $879.

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 $832. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,017.

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 $898. At noon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,006 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 $1,064 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 $878 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 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 November 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 92% 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
China Airlines	PriceFrom $837	Free Cancellation	Rating 8.3 776 reviews	Search China Airlines flights
United Airlines	PriceFrom $908	Free Cancellation	Rating 7.4 9,001 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $928	Free Cancellation	Rating 7.6 1,050 reviews	Search Cathay Pacific 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 12/4

Thu 12/11

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Hong Kong

Fly your favorite airline to Hong Kong

Cheap flights from Ontario to Hong Kong from $303

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 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ontario to Hong Kong

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Delta flights from Ontario to Hong Kong

Our best Delta deals on Ontario to Hong Kong flight tickets

Korean Air flights from Ontario to Hong Kong

Our best Korean Air 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

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

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 $858. The month of September is another great option to travel to Hong Kong, with average flight prices from Ontario averaging around $879.

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 $832. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,017.

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 $898. At noon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,006 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 China 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: 97% 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 $858.

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 40m.

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 33m.

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