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Cheap flights from Hong Kong to Los Angeles from $423

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 11/17. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:30 pm - 10:51 pmHKG-ONT
16h 21m1 stop
United Airlines Logo
6:00 am - 7:20 pmONT-HKG
21h 20m1 stop
$624United Airlines
Find Deal
sáb., nov. 22 - dom., nov. 30
STARLUX Airlines Logo
11:15 am - 3:50 pmHKG-ONT
20h 35m1 stop
STARLUX Airlines Logo
9:45 pm - 10:10 amONT-HKG
20h 25m1 stop
$696STARLUX Airlines
Find Deal
vie., dic. 5 - mié., ene. 21
China Airlines Logo
10:20 am - 4:50 pmHKG-ONT
22h 30m1 stop
China Airlines Logo
10:50 pm - 9:15 amONT-HKG
18h 25m1 stop
$708China Airlines
Find Deal
dom., ene. 18 - vie., ene. 23
United Airlines Logo
10:35 am - 12:38 pmHKG-ONT
18h 03m1 stop
United Airlines Logo
1:45 pm - 7:20 pmONT-HKG
37h 35m1 stop
$709United Airlines
Find Deal
vie., feb. 20 - mar., feb. 24
STARLUX Airlines Logo
11:15 am - 3:50 pmHKG-ONT
20h 35m1 stop
STARLUX Airlines Logo
9:45 pm - 6:30 pmONT-HKG
28h 45m1 stop
$717STARLUX Airlines
Find Deal
lun., nov. 10 - vie., nov. 14
China Airlines Logo
9:10 pm - 5:50 pmHKG-ONT
35h 40m1 stop
China Airlines Logo
12:10 am - 9:15 amONT-HKG
18h 05m1 stop
$730China Airlines
Find Deal
vie., mar. 20 - dom., may. 3
Multiple Airlines Logo
2:05 pm - 5:50 pmHKG-ONT
18h 45m1 stop
Multiple Airlines Logo
7:00 am - 10:30 pmONT-HKG
24h 30m2 stops
$918Multiple Airlines
Find Deal
vie., mar. 20 - lun., may. 4
EVA Air Logo
11:20 am - 11:29 pmHKG-ONT
28h 09m2 stops
EVA Air Logo
6:00 am - 9:00 amONT-HKG
35h 00m2 stops
$953EVA Air
Find Deal
vie., dic. 5 - dom., ene. 18
Multiple Airlines Logo
7:40 pm - 6:00 pmHKG-ONT
37h 20m2 stops
Multiple Airlines Logo
3:33 pm - 8:50 amONT-HKG
26h 17m2 stops
$956Multiple Airlines
Find Deal
vie., mar. 20 - lun., may. 4
Delta Logo
12:55 am - 10:38 pmHKG-ONT
36h 43m2 stops
Delta Logo
7:00 am - 4:20 pmONT-HKG
42h 20m2 stops
$1,448Delta
Find Deal
jue., mar. 19 - lun., may. 4

STARLUX Airlines flights from Hong Kong to Ontario

Our best STARLUX Airlines deals on Hong Kong to Ontario flight tickets
STARLUX Airlines
Dec 5
HKG11:15 amHong Kong Intl
20h 35m
1 stop
ONT3:50 pmOntario
Jan 21
ONT9:45 pmOntario
20h 25m
1 stop
HKG10:10 amHong Kong Intl
$696
Find similar
STARLUX Airlines
Nov 3
HKG11:15 amHong Kong Intl
21h 15m
1 stop
ONT4:30 pmOntario
Nov 28
ONT9:45 pmOntario
20h 55m
1 stop
HKG10:40 amHong Kong Intl
$713
Find similar
STARLUX Airlines
Nov 10
HKG11:15 amHong Kong Intl
20h 35m
1 stop
ONT3:50 pmOntario
Nov 14
ONT9:45 pmOntario
28h 45m
1 stop
HKG6:30 pmHong Kong Intl
$717
Find similar

Delta flights from Hong Kong to Ontario

Our best Delta deals on Hong Kong to Ontario flight tickets
Delta
Nov 2
HKG12:55 amHong Kong Intl
32h 15m
2 stops
ONT5:10 pmOntario
Nov 28
ONT6:45 amOntario
24h 25m
2 stops
HKG11:10 pmHong Kong Intl
$1,345
Find similar
Delta
Mar 19
HKG12:55 amHong Kong Intl
36h 43m
2 stops
ONT10:38 pmOntario
May 4
ONT7:00 amOntario
42h 20m
2 stops
HKG4:20 pmHong Kong Intl
$1,448
Find similar

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 octubre 30, 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

sáb. 11/22

10:30 pm-10:51 pm

1 stop16h 21m

Ontario

dom. 11/30

6:00 am-7:20 pm

1 stop21h 20m

$624

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 12/5

11:15 am-3:50 pm

1 stop20h 35m

Ontario

mié. 1/21

9:45 pm-10:10 am

1 stop20h 25m

$696

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

dom. 1/18

10:20 am-4:50 pm

1 stop22h 30m

Ontario

vie. 1/23

10:50 pm-9:15 am

1 stop18h 25m

$708

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 2/20

10:35 am-12:38 pm

1 stop18h 03m

Ontario

mar. 2/24

1:45 pm-7:20 pm

1 stop37h 35m

$709

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

lun. 11/10

11:15 am-3:50 pm

1 stop20h 35m

Ontario

vie. 11/14

9:45 pm-6:30 pm

1 stop28h 45m

$717

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 3/20

9:10 pm-5:50 pm

1 stop35h 40m

Ontario

dom. 5/3

12:10 am-9:15 am

1 stop18h 05m

$730

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 3/20

2:05 pm-5:50 pm

1 stop18h 45m

Ontario

lun. 5/4

7:00 am-10:30 pm

2 stops24h 30m

$918

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 12/5

11:20 am-11:29 pm

2 stops28h 09m

Ontario

dom. 1/18

6:00 am-9:00 am

2 stops35h 00m

$953

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

vie. 3/20

7:40 pm-6:00 pm

2 stops37h 20m

Ontario

lun. 5/4

3:33 pm-8:50 am

2 stops26h 17m

$956

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

jue. 3/19

12:55 am-10:38 pm

2 stops36h 43m

Ontario

lun. 5/4

7:00 am-4:20 pm

2 stops42h 20m

$1,448

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 $780. 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

Direct flights

None
There are no direct flights from Hong Kong to Ontario. There are no popular flight routes from Hong Kong to Ontario.
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  • 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
776 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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