What airlines fly to Ontario?

United Airlines, Cathay Pacific and EVA Air are the top three most popular airlines that fly to Ontario from Hong Kong according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

China Airlines is the most popular carrier operating from Hong Kong to Ontario

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

Prices for flights from Hong Kong to Ontario Airport are updated daily.

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

There is 1 operator available for flights from Hong Kong to Ontario Airport as of September 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario 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.

$469 Cheap Flights from Hong Kong to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Hong Kong to Los Angeles

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Recent round-trip flight deals from Hong Kong to Los Angeles

Enter your travel dates to find the best prices.

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

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

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

18h 05m1 stop Taipei City Taiwan Taoyuan Intl

$957China Airlines

Thu, Oct 1 - Sat, Oct 10

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

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

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

19h 25m1 stop Taipei City Taiwan Taoyuan Intl

$960STARLUX Airlines

Fri, Sep 25 - Sat, Oct 10

11:15 am - 3:55 pmHKG Hong Kong Intl-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

9:45 pm - 10:45 amONT Ontario-HKG Hong Kong Intl

21h 00m1 stop Taipei City Taiwan Taoyuan Intl

$965STARLUX Airlines

Wed, Feb 3 - Fri, Feb 26

7:45 pm - 3:55 pmHKG Hong Kong Intl-ONT Ontario

36h 10m1 stop Taipei City Taiwan Taoyuan Intl

9:45 pm - 10:45 amONT Ontario-HKG Hong Kong Intl

21h 00m1 stop Taipei City Taiwan Taoyuan Intl

$965STARLUX Airlines

Mon, Feb 1 - Tue, Feb 23

11:15 am - 3:55 pmHKG Hong Kong Intl-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

9:45 pm - 10:45 amONT Ontario-HKG Hong Kong Intl

21h 00m1 stop Taipei City Taiwan Taoyuan Intl

$965STARLUX Airlines

Wed, Feb 3 - Tue, Feb 23

9:15 pm - 6:00 pmHKG Hong Kong Intl-ONT Ontario

35h 45m1 stop Taipei City Taiwan Taoyuan Intl

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

25h 25m1 stop Taipei City Taiwan Taoyuan Intl

$969China Airlines

Thu, Oct 1 - Tue, Oct 6

8:30 am - 10:41 pmHKG Hong Kong Intl-ONT Ontario

30h 11m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

4:00 pm - 1:00 pmONT Ontario-HKG Hong Kong Intl

29h 00m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

$970Multiple Airlines

Mon, Feb 1 - Tue, Feb 23

11:15 am - 3:55 pmHKG Hong Kong Intl-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

11:10 pm - 9:55 amONT Ontario-HKG Hong Kong Intl

19h 45m1 stop Taipei City Taiwan Taoyuan Intl

$973STARLUX Airlines

Mon, Mar 1 - Wed, Mar 31

12:45 pm - 3:55 pmHKG Hong Kong Intl-ONT Ontario

19h 10m1 stop Taipei City Taiwan Taoyuan Intl

4:00 pm - 1:00 pmONT Ontario-HKG Hong Kong Intl

29h 00m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

$975Multiple Airlines

Mon, Feb 1 - Tue, Feb 23

9:30 am - 10:39 pmHKG Hong Kong Intl-ONT Ontario

29h 09m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

4:00 pm - 6:55 pmONT Ontario-HKG Hong Kong Intl

35h 55m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl

$988Multiple Airlines

Mon, Mar 1 - Wed, Mar 31

Recent last minute flight deals from Hong Kong to Los Angeles

Enter your travel dates to find the best prices.

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

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

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

18h 05m1 stop Taipei City Taiwan Taoyuan Intl

$957China Airlines

Sat, Sep 19 - Fri, Sep 25

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

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

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

18h 05m1 stop Taipei City Taiwan Taoyuan Intl

$959China Airlines

Thu, Sep 17 - Mon, Sep 28

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

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

12:10 am - 1:05 pmONT Ontario-HKG Hong Kong Intl

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$967China Airlines

Thu, Sep 17 - Tue, Sep 29

2:05 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

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

18h 05m1 stop Taipei City Taiwan Taoyuan Intl

$969China Airlines

Mon, Sep 14 - Sun, Sep 27

2:05 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

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

18h 05m1 stop Taipei City Taiwan Taoyuan Intl

$973China Airlines

Mon, Sep 14 - Sun, Sep 27

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

16h 05m1 stop Taipei City Taiwan Taoyuan Intl

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

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$990China Airlines

Tue, Sep 15 - Wed, Sep 16

2:05 pm - 6:40 pmHKG Hong Kong Intl-ONT Ontario

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

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

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$990China Airlines

Mon, Sep 14 - Thu, Sep 17

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

15h 25m1 stop Taipei City Taiwan Taoyuan Intl

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

18h 05m1 stop Taipei City Taiwan Taoyuan Intl

$990China Airlines

Sat, Sep 19 - Fri, Sep 25

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

20h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:30 pm - 6:55 pmONT Ontario-HKG Hong Kong Intl

28h 25m1 stop Taipei City Taiwan Taoyuan Intl

$1,005STARLUX Airlines

Mon, Sep 14 - Fri, Sep 18

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

35h 55m1 stop Taipei City Taiwan Taoyuan Intl

11:30 pm - 10:10 amONT Ontario-HKG Hong Kong Intl

19h 40m1 stop Taipei City Taiwan Taoyuan Intl

$1,023STARLUX Airlines

Tue, Sep 15 - Fri, Oct 2

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China Airlines flights from Hong Kong to Ontario

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

China Airlines

Sep 19

HKG2:05 pmHong Kong Intl

18h 55m

1 stop

ONT6:00 pmOntario

Sep 25

ONT12:10 amOntario

18h 05m

1 stop

HKG9:15 amHong Kong Intl

$957

China Airlines

Sep 17

HKG5:35 pmHong Kong Intl

15h 25m

1 stop

ONT6:00 pmOntario

Sep 28

ONT12:10 amOntario

18h 05m

1 stop

HKG9:15 amHong Kong Intl

$959

China Airlines

Sep 17

HKG5:35 pmHong Kong Intl

15h 25m

1 stop

ONT6:00 pmOntario

Sep 29

ONT12:10 amOntario

21h 55m

1 stop

HKG1:05 pmHong Kong Intl

$967

STARLUX Airlines flights from Hong Kong to Ontario

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

STARLUX Airlines

Sep 25

HKG11:20 amHong Kong Intl

20h 45m

1 stop

ONT5:05 pmOntario

Oct 10

ONT11:30 pmOntario

19h 25m

1 stop

HKG9:55 amHong Kong Intl

$960

STARLUX Airlines

Feb 3

HKG11:15 amHong Kong Intl

20h 40m

1 stop

ONT3:55 pmOntario

Feb 26

ONT9:45 pmOntario

21h 00m

1 stop

HKG10:45 amHong Kong Intl

$965

STARLUX Airlines

Mar 1

HKG11:15 amHong Kong Intl

20h 40m

1 stop

ONT3:55 pmOntario

Mar 31

ONT11:10 pmOntario

19h 45m

1 stop

HKG9:55 amHong Kong Intl

$973

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Thu 10/1

5:35 pm-6:00 pm

1 stop15h 25m

Ontario

Sat 10/10

12:10 am-9:15 am

1 stop18h 05m

$957

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Fri 9/25

11:20 am-5:05 pm

1 stop20h 45m

Ontario

Sat 10/10

11:30 pm-9:55 am

1 stop19h 25m

$960

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Wed 2/3

11:15 am-3:55 pm

1 stop20h 40m

Ontario

Fri 2/26

9:45 pm-10:45 am

1 stop21h 00m

$965

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 2/1

7:45 pm-3:55 pm

1 stop36h 10m

Ontario

Tue 2/23

9:45 pm-10:45 am

1 stop21h 00m

$965

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Wed 2/3

11:15 am-3:55 pm

1 stop20h 40m

Ontario

Tue 2/23

9:45 pm-10:45 am

1 stop21h 00m

$965

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Thu 10/1

9:15 pm-6:00 pm

1 stop35h 45m

Ontario

Tue 10/6

12:10 am-4:35 pm

1 stop25h 25m

$969

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 2/1

8:30 am-10:41 pm

2 stops30h 11m

Ontario

Tue 2/23

4:00 pm-1:00 pm

2 stops29h 00m

$970

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 3/1

11:15 am-3:55 pm

1 stop20h 40m

Ontario

Wed 3/31

11:10 pm-9:55 am

1 stop19h 45m

$973

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 2/1

12:45 pm-3:55 pm

1 stop19h 10m

Ontario

Tue 2/23

4:00 pm-1:00 pm

2 stops29h 00m

$975

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 3/1

9:30 am-10:39 pm

2 stops29h 09m

Ontario

Wed 3/31

4:00 pm-6:55 pm

2 stops35h 55m

$988

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 Hong Kong to Ontario

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 Ontario?

In general, December is the cheapest month to fly from Hong Kong to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of December, then book flights to Ontario from Hong Kong during August instead. Flights to Ontario in August, while not as cheap as those in December, still average around $0.

Cheap Hong Kong to Ontario flight deals and tips

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

Best Price Found	$469
Fastest flight time	15h 30m
Direct flights	None

The best one-way flight to Ontario from Hong Kong in the past 72 hours is $469. The best round-trip flight deal from Hong Kong to Ontario found on momondo in the last 72 hours is $957.

The fastest flight from Hong Kong to Ontario takes 15h 30m

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

Search flight deals

Frequently asked questions about flying from Hong Kong to Ontario

When did momondo last update prices for flights from Hong Kong to Ontario Airport?
Prices for flights from Hong Kong to Ontario Airport are updated daily.
How many operators does momondo search for flights from Hong Kong to Ontario Airport?
There is 1 operator available for flights from Hong Kong to Ontario Airport as of September 2026.
How old do you have to be to fly from Hong Kong to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario 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.

Best airlines flying from Hong Kong to Ontario

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

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $706	Free Cancellation	Rating 8.3 844 reviews		Search China Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Hong Kong to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Hong Kong and alert you when they change.

An easier way to manage your Ontario 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 Hong Kong to Los Angeles from $469

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Los Angeles departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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China Airlines flights from Hong Kong to Ontario

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

STARLUX Airlines flights from Hong Kong to Ontario

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

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

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

What is the cheapest month to fly to Ontario?

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

What airlines fly to Ontario?

Cheap Hong Kong to Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Hong Kong to Ontario

Best airlines flying from Hong Kong to Ontario

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

Why use momondo?

An easier way to manage your Ontario 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 the United States

Airports servicing California

Fly your favorite airline to Los Angeles

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

Cabin classes currently available on flights to Los Angeles

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

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