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 Intl to Ontario?

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

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

Prices for flights from Hong Kong Intl Airport to Ontario Airport refresh daily.

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

The number of operators available for flights from Hong Kong Intl Airport to Ontario Airport is 1 as of September 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Ontario Airport.

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

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek 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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

35h 55m1 stop Taipei City Taiwan Taoyuan Intl

9:45 pm - 6:30 pmONT Ontario-HKG Hong Kong Intl

28h 45m1 stop Taipei City Taiwan Taoyuan Intl

$900STARLUX Airlines

Tue, Oct 6 - Tue, Dec 15

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

36h 10m1 stop Taipei City Taiwan Taoyuan Intl

9:45 pm - 6:30 pmONT Ontario-HKG Hong Kong Intl

28h 45m1 stop Taipei City Taiwan Taoyuan Intl

$908STARLUX Airlines

Tue, Nov 10 - Tue, Dec 8

9:20 am - 11:42 pmHKG Hong Kong Intl-ONT Ontario

29h 22m2 stops Incheon Intl Seattle/Tacoma Intl

6:00 am - 10:55 pmONT Ontario-HKG Hong Kong Intl

24h 55m2 stops Seattle/Tacoma Intl Tokyo Narita

$955Multiple Airlines

Mon, Oct 26 - Tue, Nov 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

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

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

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

$987China Airlines

Fri, Sep 25 - Tue, Oct 6

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

21h 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

$988China Airlines

Fri, Sep 25 - Fri, Sep 25

2:05 pm - 11:18 amHKG Hong Kong Intl-ONT Ontario

37h 13m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

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

20h 25m1 stop Taipei City Taiwan Taoyuan Intl

$988Multiple Airlines

Tue, Nov 10 - Tue, Dec 8

Cheap last minute flights

Enter your travel dates to find the best prices.

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 - 1:05 pmONT Ontario-HKG Hong Kong Intl

21h 55m1 stop Taipei City Taiwan Taoyuan Intl

$980China Airlines

Sat, Sep 12 - Fri, Sep 18

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

16h 05m1 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

$990China Airlines

Sat, Sep 12 - Fri, Sep 18

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

36h 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

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 - 10:05 amONT Ontario-HKG Hong Kong Intl

18h 55m1 stop Taipei City Taiwan Taoyuan Intl

$990China Airlines

Wed, Sep 16 - Fri, Sep 18

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

16h 05m1 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 12 - Fri, Oct 2

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

19h 35m1 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

$993China Airlines

Mon, Sep 14 - Sun, Sep 27

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

33h 15m1 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

$1,006Multiple Airlines

Sun, Sep 13 - Fri, Oct 9

1:35 pm - 5:05 pmHKG Hong Kong Intl-ONT Ontario

18h 30m1 stop Taipei City Taiwan Taoyuan Intl

11:30 pm - 10:00 amONT Ontario-HKG Hong Kong Intl

19h 30m1 stop Taipei City Taiwan Taoyuan Intl

$1,020Multiple Airlines

Sat, Sep 12 - Sat, Sep 19

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Qatar Airways flights from Hong Kong to Ontario

Our best Qatar Airways deals on Hong Kong to Ontario flight tickets

Qatar Airways

Oct 6

HKG1:25 amHong Kong Intl

31h 35m

2 stops

ONT6:00 pmOntario

Oct 14

ONT11:13 amOntario

36h 22m

2 stops

HKG2:35 pmHong Kong Intl

$1,436

Qatar Airways

Sep 27

HKG1:25 amHong Kong Intl

32h 38m

2 stops

ONT7:03 pmOntario

Oct 2

ONT12:12 pmOntario

35h 23m

2 stops

HKG2:35 pmHong Kong Intl

$1,486

Qatar Airways

Feb 28

HKG12:25 amHong Kong Intl

34h 27m

2 stops

ONT6:52 pmOntario

Mar 14

ONT2:22 pmOntario

33h 28m

2 stops

HKG2:50 pmHong Kong Intl

$1,487

China Airlines flights from Hong Kong to Ontario

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

China Airlines

Sep 14

HKG2:05 pmHong Kong Intl

19h 35m

1 stop

ONT6:40 pmOntario

Sep 27

ONT12:10 amOntario

18h 05m

1 stop

HKG9:15 amHong Kong Intl

$969

China Airlines

Sep 12

HKG5:35 pmHong Kong Intl

16h 05m

1 stop

ONT6:40 pmOntario

Sep 18

ONT12:10 amOntario

21h 55m

1 stop

HKG1:05 pmHong Kong Intl

$980

China Airlines

Sep 25

HKG5:35 pmHong Kong Intl

15h 25m

1 stop

ONT6:00 pmOntario

Oct 6

ONT12:10 amOntario

21h 55m

1 stop

HKG1:05 pmHong Kong Intl

$987

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Tue 10/6

8:10 pm-5:05 pm

1 stop35h 55m

Ontario

Tue 12/15

9:45 pm-6:30 pm

1 stop28h 45m

$900

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Tue 11/10

7:45 pm-3:55 pm

1 stop36h 10m

Ontario

Tue 12/8

9:45 pm-6:30 pm

1 stop28h 45m

$908

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Mon 10/26

9:20 am-11:42 pm

2 stops29h 22m

Ontario

Tue 11/10

6:00 am-10:55 pm

2 stops24h 55m

$955

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

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

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

Quickest round-trip

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Fri 9/25

5:35 pm-6:00 pm

1 stop15h 25m

Ontario

Tue 10/6

12:10 am-1:05 pm

1 stop21h 55m

$987

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Fri 9/25

11:05 am-6:00 pm

1 stop21h 55m

Ontario

Fri 9/25

12:10 am-9:15 am

1 stop18h 05m

$988

Hong KongOntario

HKG Hong Kong Intl - ONT Ontario

HKGONT

Hong Kong Intl

Tue 11/10

2:05 pm-11:18 am

2 stops37h 13m

Ontario

Tue 12/8

9:45 pm-10:10 am

1 stop20h 25m

$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.

When to book flights from Hong Kong to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Hong Kong to Ontario (HKG to ONT) 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 $900.

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

How far is Hong Kong Intl to Ontario by plane?
A flight from Hong Kong Intl to Ontario will travel around 7258.2 mi. Flights usually cover this in 15h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Hong Kong Intl Airport to Ontario Airport?
Prices for flights from Hong Kong Intl Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Hong Kong Intl Airport to Ontario Airport?
The number of operators available for flights from Hong Kong Intl Airport to Ontario Airport is 1 as of September 2026.
How old do you have to be to fly from Hong Kong Intl Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Hong Kong to Ontario?
momondo data reveals that the most frequently booked airline on the route from Hong Kong to Ontario is China Airlines, representing 100% of all bookings.

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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to Ontario for you.

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

Yes. momondo enables you to select and highlight flights to Ontario from Hong Kong with this policy.

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

Once all potential Hong Kong to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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Qatar Airways flights from Hong Kong to Ontario

Our best Qatar Airways deals on Hong Kong to Ontario flight tickets

China Airlines flights from Hong Kong to Ontario

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

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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 Intl to Ontario?

What airlines fly to Ontario?

When to book flights from Hong Kong to Ontario

Cheap Hong Kong to Ontario (HKG to ONT) 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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