Cheap flights from Hong Kong to Los Angeles from $445

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 9/12. 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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STARLUX Airlines Logo
11:20 am - 5:05 pmHKG-ONT
20h 45m1 stop
STARLUX Airlines Logo
11:10 pm - 6:55 pmONT-HKG
28h 45m1 stop
$712STARLUX Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
STARLUX Airlines Logo
11:20 am - 5:05 pmHKG-ONT
20h 45m1 stop
STARLUX Airlines Logo
11:10 pm - 6:55 pmONT-HKG
28h 45m1 stop
$723STARLUX Airlines
Find Deal
Mon, Sep 15 - Wed, Sep 24
China Airlines Logo
11:05 am - 6:40 pmHKG-ONT
22h 35m1 stop
China Airlines Logo
12:45 am - 10:05 amONT-HKG
18h 20m1 stop
$724China Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 13
China Airlines Logo
5:30 pm - 6:40 pmHKG-ONT
16h 10m1 stop
China Airlines Logo
12:45 am - 4:30 pmONT-HKG
24h 45m1 stop
$729China Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 13
China Airlines Logo
2:00 pm - 6:40 pmHKG-ONT
19h 40m1 stop
China Airlines Logo
12:45 am - 1:00 pmONT-HKG
21h 15m1 stop
$730China Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 13
China Airlines Logo
2:00 pm - 6:40 pmHKG-ONT
19h 40m1 stop
China Airlines Logo
12:45 am - 9:15 amONT-HKG
17h 30m1 stop
$731China Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 13
United Airlines Logo
11:15 am - 12:13 pmHKG-ONT
15h 58m1 stop
United Airlines Logo
6:50 pm - 5:00 amONT-HKG
19h 10m1 stop
$741United Airlines
Find Deal
Mon, Sep 1 - Sun, Sep 14
United Airlines Logo
11:15 am - 12:13 pmHKG-ONT
15h 58m1 stop
United Airlines Logo
6:50 pm - 5:00 amONT-HKG
19h 10m1 stop
$753United Airlines
Find Deal
Mon, Sep 1 - Sun, Sep 14
 Logo
10:35 pm - 6:40 pmHKG-ONT
35h 05m2 stops
 Logo
12:45 am - 11:35 pmONT-HKG
31h 50m2 stops
Mon, Sep 1 - Sat, Sep 13
 Logo
10:35 pm - 6:40 pmHKG-ONT
35h 05m2 stops
 Logo
12:45 am - 11:35 pmONT-HKG
31h 50m2 stops
Mon, Sep 1 - Sat, Sep 13

China Airlines flights from Hong Kong to Ontario

Our best China Airlines deals on Hong Kong to Ontario flight tickets
China Airlines
Sep 1
HKG11:05 amHong Kong Intl
22h 35m
1 stop
ONT6:40 pmOntario
Sep 13
ONT12:45 amOntario
18h 20m
1 stop
HKG10:05 amHong Kong Intl
China Airlines
Sep 1
HKG5:30 pmHong Kong Intl
16h 10m
1 stop
ONT6:40 pmOntario
Sep 13
ONT12:45 amOntario
24h 45m
1 stop
HKG4:30 pmHong Kong Intl
China Airlines
Sep 1
HKG2:00 pmHong Kong Intl
19h 40m
1 stop
ONT6:40 pmOntario
Sep 13
ONT12:45 amOntario
21h 15m
1 stop
HKG1:00 pmHong Kong Intl

STARLUX Airlines flights from Hong Kong to Ontario

Our best STARLUX Airlines deals on Hong Kong to Ontario flight tickets
STARLUX Airlines
Sep 13
HKG11:20 amHong Kong Intl
20h 45m
1 stop
ONT5:05 pmOntario
Sep 20
ONT11:10 pmOntario
28h 45m
1 stop
HKG6:55 pmHong Kong Intl
STARLUX Airlines
Sep 15
HKG11:20 amHong Kong Intl
20h 45m
1 stop
ONT5:05 pmOntario
Sep 24
ONT11:10 pmOntario
28h 45m
1 stop
HKG6:55 pmHong Kong Intl
STARLUX Airlines
Sep 1
HKG11:20 amHong Kong Intl
20h 45m
1 stop
ONT5:05 pmOntario
Sep 10
ONT11:10 pmOntario
28h 45m
1 stop
HKG6:55 pmHong Kong Intl

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Hong Kong to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 9/13

11:20 am-5:05 pm

1 stop20h 45m

Ontario

Sat 9/20

11:10 pm-6:55 pm

1 stop28h 45m

$712

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/15

11:20 am-5:05 pm

1 stop20h 45m

Ontario

Wed 9/24

11:10 pm-6:55 pm

1 stop28h 45m

$723

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

11:05 am-6:40 pm

1 stop22h 35m

Ontario

Sat 9/13

12:45 am-10:05 am

1 stop18h 20m

$724

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

5:30 pm-6:40 pm

1 stop16h 10m

Ontario

Sat 9/13

12:45 am-4:30 pm

1 stop24h 45m

$729

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

2:00 pm-6:40 pm

1 stop19h 40m

Ontario

Sat 9/13

12:45 am-1:00 pm

1 stop21h 15m

$730

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

2:00 pm-6:40 pm

1 stop19h 40m

Ontario

Sat 9/13

12:45 am-9:15 am

1 stop17h 30m

$731

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

11:15 am-12:13 pm

1 stop15h 58m

Ontario

Sun 9/14

6:50 pm-5:00 am

1 stop19h 10m

$741

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

11:15 am-12:13 pm

1 stop15h 58m

Ontario

Sun 9/14

6:50 pm-5:00 am

1 stop19h 10m

$753

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

10:35 pm-6:40 pm

2 stops35h 05m

Ontario

Sat 9/13

12:45 am-11:35 pm

2 stops31h 50m

$883

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 9/1

10:35 pm-6:40 pm

2 stops35h 05m

Ontario

Sat 9/13

12:45 am-11:35 pm

2 stops31h 50m

$888

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

What is the cheapest month to fly to Ontario?

In general, March 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 $768. If you aren’t able to travel during the month of March, then book flights to Ontario from Hong Kong during June instead. Flights to Ontario in June, while not as cheap as those in March, still average around $788.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $1,088. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to Ontario for around $1,150.

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

$445

Fastest flight time

15h 15m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Hong Kong in the past 72 hours is $445. The best round-trip flight deal from Hong Kong to Ontario found on momondo in the last 72 hours is $712.
The fastest flight from Hong Kong to Ontario takes 15h 15m
There are no direct flights from Hong Kong to Ontario. Popular non-direct route for this connection is Hong Kong Intl Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • 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 15m, 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?

  • 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?


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 AirlinesPriceFrom $768Free CancellationRating
8.3
754 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.


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1 adult
Tue 8/5
Tue 8/12

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