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$440+ Cheap flights from Hong Kong (HKG) to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Hong Kong to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 17, 2025.

Round-trip from

$754
(SmartFares)

One-way from

$440
(Trip.com)

Popular in

August

Cheapest in

July
From Hong Kong Intl to San Diego
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One-way flight from Hong Kong Intl to San Diego
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Highest demand for flights based on searches. 5% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Find flight deals from Hong Kong to San Diego

Cheapest flights from Hong Kong to San Diego
Explore the most affordable flight options available from Hong Kong to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This SmartFares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3011:20 amHKG - SAN
2 stops36h 20mMultiple Airlines
jue. 11/62:03 pmSAN - HKG
2 stops26h 57mMultiple Airlines
Deal found 9/14$754
This Jettzy deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3111:20 amHKG - SAN
2 stops36h 20mMultiple Airlines
vie. 11/79:59 pmSAN - HKG
2 stops43h 01mMultiple Airlines
Deal found 9/15$757
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/3010:10 amHKG - SAN
2 stops39h 38mEVA Air
vie. 10/37:59 pmSAN - HKG
2 stops21h 51mEVA Air
Deal found 9/16$775
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:40 pmHKG - SAN
2 stops20h 00mMultiple Airlines
dom. 11/236:15 amSAN - HKG
2 stops22h 35mMultiple Airlines
Deal found 9/17$786
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:40 pmHKG - SAN
2 stops20h 00mMultiple Airlines
lun. 11/246:15 amSAN - HKG
2 stops22h 35mMultiple Airlines
Deal found 9/17$821
This lol.travel deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1710:45 pmHKG - SAN
1 stop16h 59mUnited Airlines
dom. 11/238:40 pmSAN - HKG
1 stop30h 35mUnited Airlines
Deal found 9/17$836
This STARLUX Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1511:15 amHKG - SAN
2 stops27h 44mSTARLUX Airlines
lun. 11/2411:42 amSAN - HKG
2 stops30h 28mSTARLUX Airlines
Deal found 9/17$869
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1810:30 pmHKG - SAN
1 stop17h 43mUnited Airlines
lun. 11/244:01 pmSAN - HKG
2 stops22h 59mUnited Airlines
Deal found 9/17$893
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2912:50 amHKG - SAN
1 stop21h 51mMultiple Airlines
vie. 10/36:15 amSAN - HKG
1 stop21h 40mMultiple Airlines
Deal found 9/16$917

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hong Kong to San Diego 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Hong Kong to San Diego that are best for you.

Fly from

Hong Kong

Fly to

San Diego

Route

Depart

Return

Price

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

jue. 10/30

11:20 am-8:40 am

2 stops36h 20m

San Diego

jue. 11/6

2:03 pm-9:00 am

2 stops26h 57m

$754

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

mar. 11/18

11:15 am-10:59 pm

2 stops27h 44m

San Diego

mar. 11/25

11:42 am-10:10 am

2 stops30h 28m

$869

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

mié. 11/19

11:15 am-8:56 pm

2 stops25h 41m

San Diego

dom. 11/23

11:42 am-10:10 am

2 stops30h 28m

$869

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

lun. 11/17

11:15 am-8:56 pm

2 stops25h 41m

San Diego

mar. 11/25

9:36 am-10:10 am

2 stops32h 34m

$869

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

jue. 10/30

12:30 am-8:40 am

2 stops47h 10m

San Diego

vie. 11/7

9:59 pm-10:30 pm

2 stops56h 31m

$872

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

lun. 11/17

10:35 am-12:45 pm

1 stop18h 10m

San Diego

mar. 11/25

5:55 pm-6:45 am

1 stop20h 50m

$893

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

mié. 11/19

10:35 am-10:41 am

1 stop16h 06m

San Diego

mar. 11/25

6:15 am-7:20 pm

2 stops21h 05m

$893

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

mié. 11/19

10:45 pm-11:44 pm

1 stop16h 59m

San Diego

dom. 11/23

7:50 pm-7:15 pm

2 stops31h 25m

$893

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

mié. 11/19

10:45 pm-11:44 pm

1 stop16h 59m

San Diego

sáb. 11/22

8:40 pm-7:00 am

1 stop18h 20m

$919

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

dom. 11/16

10:35 am-12:45 pm

1 stop18h 10m

San Diego

dom. 11/23

7:50 pm-7:20 pm

1 stop31h 30m

$919

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 21 results
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Best time to book a flight from Hong Kong to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Hong Kong with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to San Diego

What is the cheapest month to book a flight from Hong Kong to San Diego?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to San Diego (average of $286). Flying from Hong Kong to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Hong Kong to San Diego?

    Airlines like STARLUX Airlines fly from Hong Kong to San Diego in about 27h 44m. The time it takes to get you to your destination can typically vary by up to . There are 7350 mi between Hong Kong and San Diego.

  • Can I find deals for flights from Hong Kong to San Diego that include hotel bookings?

    Yes. In addition to deals on Hong Kong to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to San Diego.

  • Can I find deals for business class flights from Hong Kong to San Diego?

    Yes. Cheapflights offers flight deals from Hong Kong to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hong Kong to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Hong Kong to San Diego (average of $286). Flying from Hong Kong to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City

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