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Cheap flights from Hong Kong to Los Angeles from $430

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 10/23. 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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0 bags

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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

United Airlines Logo
10:35 am - 12:37 pmHKG-ONT
18h 02m1 stop
United Airlines Logo
1:40 pm - 6:45 amONT-HKG
25h 05m1 stop
$658United Airlines
Find Deal
Fri, Nov 21 - Fri, Nov 28
United Airlines Logo
10:30 pm - 12:38 pmHKG-ONT
30h 08m2 stops
United Airlines Logo
1:53 pm - 6:45 amONT-HKG
24h 52m1 stop
$698United Airlines
Find Deal
Sun, Dec 28 - Wed, Jan 14
United Airlines Logo
10:35 am - 12:37 pmHKG-ONT
18h 02m1 stop
United Airlines Logo
1:40 pm - 6:45 amONT-HKG
25h 05m1 stop
$707United Airlines
Find Deal
Mon, Nov 3 - Fri, Nov 28
United Airlines Logo
10:30 pm - 8:44 pmHKG-ONT
38h 14m2 stops
United Airlines Logo
1:40 pm - 6:45 amONT-HKG
25h 05m1 stop
$711United Airlines
Find Deal
Mon, Nov 3 - Fri, Nov 28
STARLUX Airlines Logo
11:15 am - 4:30 pmHKG-ONT
21h 15m1 stop
STARLUX Airlines Logo
9:45 pm - 10:10 amONT-HKG
20h 25m1 stop
$730STARLUX Airlines
Find Deal
Wed, Nov 26 - Wed, Jan 21
China Airlines Logo
2:00 pm - 6:00 pmHKG-ONT
19h 00m1 stop
China Airlines Logo
12:10 am - 1:00 pmONT-HKG
21h 50m1 stop
$742China Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 17
China Airlines Logo
10:15 am - 6:00 pmHKG-ONT
22h 45m1 stop
China Airlines Logo
12:10 am - 9:15 amONT-HKG
18h 05m1 stop
$743China Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 13
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
$784STARLUX Airlines
Find Deal
Mon, Oct 13 - Fri, Oct 17
Multiple Airlines Logo
10:35 pm - 6:00 pmHKG-ONT
34h 25m2 stops
Multiple Airlines Logo
12:10 am - 11:35 pmONT-HKG
32h 25m2 stops
$944Multiple Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 17
Multiple Airlines Logo
7:40 pm - 9:50 amHKG-ONT
30h 10m2 stops
Multiple Airlines Logo
6:55 pm - 9:00 amONT-HKG
22h 05m2 stops
$1,011Multiple Airlines
Find Deal
Sun, Dec 28 - Fri, Jan 23

United Airlines flights from Hong Kong to Ontario

Our best United Airlines deals on Hong Kong to Ontario flight tickets
United Airlines
Nov 21
HKG10:35 amHong Kong Intl
18h 02m
1 stop
ONT12:37 pmOntario
Nov 28
ONT1:40 pmOntario
25h 05m
1 stop
HKG6:45 amHong Kong Intl
$658
Find similar
United Airlines
Dec 28
HKG10:30 pmHong Kong Intl
30h 08m
2 stops
ONT12:38 pmOntario
Jan 14
ONT1:53 pmOntario
24h 52m
1 stop
HKG6:45 amHong Kong Intl
$698
Find similar
United Airlines
Nov 3
HKG10:35 amHong Kong Intl
18h 02m
1 stop
ONT12:37 pmOntario
Nov 28
ONT1:40 pmOntario
25h 05m
1 stop
HKG6:45 amHong Kong Intl
$707
Find similar

China Airlines flights from Hong Kong to Ontario

Our best China Airlines deals on Hong Kong to Ontario flight tickets
China Airlines
Oct 11
HKG2:00 pmHong Kong Intl
19h 00m
1 stop
ONT6:00 pmOntario
Oct 17
ONT12:10 amOntario
21h 50m
1 stop
HKG1:00 pmHong Kong Intl
$742
Find similar
China Airlines
Oct 11
HKG10:15 amHong Kong Intl
22h 45m
1 stop
ONT6:00 pmOntario
Oct 13
ONT12:10 amOntario
18h 05m
1 stop
HKG9:15 amHong Kong Intl
$743
Find similar
China Airlines
Oct 1
HKG8:10 pmHong Kong Intl
36h 50m
1 stop
ONT6:00 pmOntario
Oct 18
ONT12:10 amOntario
18h 55m
1 stop
HKG10:05 amHong Kong Intl
$760
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 September 24, 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

Fri 11/21

10:35 am-12:37 pm

1 stop18h 02m

Ontario

Fri 11/28

1:40 pm-6:45 am

1 stop25h 05m

$658

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 12/28

10:30 pm-12:38 pm

2 stops30h 08m

Ontario

Wed 1/14

1:53 pm-6:45 am

1 stop24h 52m

$698

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 11/3

10:35 am-12:37 pm

1 stop18h 02m

Ontario

Fri 11/28

1:40 pm-6:45 am

1 stop25h 05m

$707

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 11/3

10:30 pm-8:44 pm

2 stops38h 14m

Ontario

Fri 11/28

1:40 pm-6:45 am

1 stop25h 05m

$711

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Wed 11/26

11:15 am-4:30 pm

1 stop21h 15m

Ontario

Wed 1/21

9:45 pm-10:10 am

1 stop20h 25m

$730

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 10/11

2:00 pm-6:00 pm

1 stop19h 00m

Ontario

Fri 10/17

12:10 am-1:00 pm

1 stop21h 50m

$742

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 10/11

10:15 am-6:00 pm

1 stop22h 45m

Ontario

Mon 10/13

12:10 am-9:15 am

1 stop18h 05m

$743

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Mon 10/13

11:20 am-5:05 pm

1 stop20h 45m

Ontario

Fri 10/17

11:10 pm-6:55 pm

1 stop28h 45m

$784

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sat 10/11

10:35 pm-6:00 pm

2 stops34h 25m

Ontario

Fri 10/17

12:10 am-11:35 pm

2 stops32h 25m

$944

Hong KongOntario

HKG - ONT

HKGONT

Hong Kong Intl

Sun 12/28

7:40 pm-9:50 am

2 stops30h 10m

Ontario

Fri 1/23

6:55 pm-9:00 am

2 stops22h 05m

$1,011

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.

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
767 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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