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Cheap flights from Hong Kong to Los Angeles from $435

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 3/29. 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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Find the cheapest flights from Hong Kong to Los Angeles

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

Enter your travel dates to find the best prices.
United Airlines Logo
10:35 am - 10:01 amHKG-ONT
15h 26m1 stop
United Airlines Logo
1:40 pm - 7:20 pmONT-HKG
37h 40m2 stops
$624United Airlines
Find Deal
ven, dic 26 - lun, gen 5
China Airlines Logo
2:05 pm - 4:50 pmHKG-ONT
18h 45m1 stop
China Airlines Logo
10:50 pm - 1:00 pmONT-HKG
22h 10m1 stop
$667China Airlines
Find Deal
mer, nov 26 - gio, dic 11
China Airlines Logo
2:05 pm - 4:50 pmHKG-ONT
18h 45m1 stop
China Airlines Logo
11:50 pm - 9:15 amONT-HKG
18h 25m1 stop
$709China Airlines
Find Deal
sab, feb 28 - sab, mar 14
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
$734STARLUX Airlines
Find Deal
ven, dic 5 - lun, gen 12
China Airlines Logo
5:35 pm - 4:50 pmHKG-ONT
15h 15m1 stop
China Airlines Logo
11:50 pm - 9:15 amONT-HKG
18h 25m1 stop
$740China Airlines
Find Deal
lun, gen 26 - mer, mar 25
STARLUX Airlines Logo
7:45 pm - 4:50 pmHKG-ONT
36h 05m1 stop
STARLUX Airlines Logo
11:10 pm - 9:55 amONT-HKG
19h 45m1 stop
$752STARLUX Airlines
Find Deal
ven, mar 20 - lun, mag 4
Multiple Airlines Logo
2:05 pm - 5:50 pmHKG-ONT
18h 45m1 stop
Multiple Airlines Logo
11:30 am - 9:15 amONT-HKG
30h 45m2 stops
$895Multiple Airlines
Find Deal
ven, mar 20 - lun, mag 4
Multiple Airlines Logo
6:55 pm - 11:19 amHKG-ONT
32h 24m2 stops
Multiple Airlines Logo
10:50 pm - 4:00 pmONT-HKG
25h 10m1 stop
$970Multiple Airlines
Find Deal
ven, dic 12 - sab, feb 28
EVA Air Logo
11:20 am - 11:29 pmHKG-ONT
28h 09m2 stops
EVA Air Logo
4:03 pm - 9:00 amONT-HKG
24h 57m2 stops
$973EVA Air
Find Deal
ven, dic 5 - gio, gen 8
Korean Air Logo
12:55 am - 5:15 pmHKG-ONT
31h 20m2 stops
Korean Air Logo
7:00 am - 10:30 pmONT-HKG
24h 30m2 stops
$1,450Korean Air
Find Deal
gio, mar 19 - lun, mag 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 12
ONT9:45 pmOntario
28h 45m
1 stop
HKG6:30 pmHong Kong Intl
$734
Find similar
STARLUX Airlines
Mar 20
HKG7:45 pmHong Kong Intl
36h 05m
1 stop
ONT4:50 pmOntario
May 4
ONT11:10 pmOntario
19h 45m
1 stop
HKG9:55 amHong Kong Intl
$752
Find similar
STARLUX Airlines
Dec 5
HKG11:15 amHong Kong Intl
20h 35m
1 stop
ONT3:50 pmOntario
Jan 7
ONT9:45 pmOntario
28h 45m
1 stop
HKG6:30 pmHong Kong Intl
$787
Find similar

United Airlines flights from Hong Kong to Ontario

Our best United Airlines deals on Hong Kong to Ontario flight tickets
United Airlines
Nov 22
HKG10:30 pmHong Kong Intl
35h 04m
1 stop
ONT5:34 pmOntario
Nov 29
ONT6:00 amOntario
21h 20m
1 stop
HKG7:20 pmHong Kong Intl
$624
Find similar
United Airlines
Nov 13
HKG10:30 pmHong Kong Intl
16h 21m
1 stop
ONT10:51 pmOntario
Nov 26
ONT6:00 amOntario
21h 20m
1 stop
HKG7:20 pmHong Kong Intl
$626
Find similar
United Airlines
Feb 20
HKG10:35 amHong Kong Intl
25h 32m
1 stop
ONT8:07 pmOntario
Feb 24
ONT1:45 pmOntario
49h 00m
2 stops
HKG6:45 amHong Kong Intl
$843
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 novembre 11, 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

ven 12/26

10:35 am-10:01 am

1 stop15h 26m

Ontario

lun 1/5

1:40 pm-7:20 pm

2 stops37h 40m

$624

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

mer 11/26

2:05 pm-4:50 pm

1 stop18h 45m

Ontario

gio 12/11

10:50 pm-1:00 pm

1 stop22h 10m

$667

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

sab 2/28

2:05 pm-4:50 pm

1 stop18h 45m

Ontario

sab 3/14

11:50 pm-9:15 am

1 stop18h 25m

$709

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

ven 12/5

11:15 am-3:50 pm

1 stop20h 35m

Ontario

lun 1/12

9:45 pm-6:30 pm

1 stop28h 45m

$734

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

lun 1/26

5:35 pm-4:50 pm

1 stop15h 15m

Ontario

mer 3/25

11:50 pm-9:15 am

1 stop18h 25m

$740

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

ven 3/20

7:45 pm-4:50 pm

1 stop36h 05m

Ontario

lun 5/4

11:10 pm-9:55 am

1 stop19h 45m

$752

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

ven 3/20

2:05 pm-5:50 pm

1 stop18h 45m

Ontario

lun 5/4

11:30 am-9:15 am

2 stops30h 45m

$895

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

ven 12/12

6:55 pm-11:19 am

2 stops32h 24m

Ontario

sab 2/28

10:50 pm-4:00 pm

1 stop25h 10m

$970

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

ven 12/5

11:20 am-11:29 pm

2 stops28h 09m

Ontario

gio 1/8

4:03 pm-9:00 am

2 stops24h 57m

$973

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

gio 3/19

12:55 am-5:15 pm

2 stops31h 20m

Ontario

lun 5/4

7:00 am-10:30 pm

2 stops24h 30m

$1,450

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.

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

Direct flights

None
There are no direct flights from Hong Kong to Ontario. There are no popular flight routes from Hong Kong to Ontario.
Search flight deals

  • 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?

  • 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 AirlinesPriceFrom $768Free CancellationRating
8.3
778 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.

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1 adult
gio 12/11
gio 12/18
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