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Cheap flights from Hong Kong to San Diego from HK$3,656

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 10-12. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to San Diego

Enter your travel dates to find the best prices.

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 12 August 2026.

Fri 25-900:45 -
2 stops32h 34m
Sat 3-1016:54 -
3 stops38h 51m
Deal found 12-8HK$6,920
Sun 18-1000:45 -
2 stops32h 17m
Sat 24-1015:00 -
1 stop24h 40m
Deal found 11-8HK$7,022
Thu 17-913:00 -
2 stops21h 54m
Thu 24-907:15 -
2 stops24h 45m
Deal found 7-8HK$7,258
Thu 17-912:20 -
2 stops36h 49m
Thu 24-910:54 -
1 stop27h 11m
Deal found 7-8HK$7,265
Sat 12-909:25 -
1 stop20h 36m
Fri 18-919:53 -
1 stop18h 12m
Deal found 9-8HK$7,281
Tue 3-1114:00 -
2 stops22h 06m
Mon 14-1216:50 -
2 stops29h 40m
Deal found 7-8HK$7,289
Mon 21-900:45 -
2 stops38h 07m
Tue 29-918:54 -
2 stops36h 51m
Deal found 8-8HK$7,320
Mon 28-900:45 -
2 stops33h 28m
Thu 1-1019:53 -
2 stops53h 27m
Deal found 7-8HK$7,352
Tue 22-1211:20 -
2 stops27h 18m
Mon 11-106:15 -
2 stops22h 35m
Deal found 10-8HK$7,736

Find flight deals from Hong Kong to San Diego

Keep the following information in mind while searching for Hong Kong to San Diego flight deals. Data was last updated 12 August 2026.

Round-trip from

HK$7,022

One-way from

HK$3,656
Delta
  • Delta
  • 18-10-24-10
  • 3 total stops
  • 56h 57m total
  • Hong Kong to San Diego
Search Deals
10-12
  • 10-12
  • 2 total stops
  • 22h 42m total
  • Hong Kong to San Diego
Search Deals

Cheapflights Fare Finder

 
Customise 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 70,647 searches. Data last updated 12 August 2026.
Use the filters below to find and compare flights from Hong Kong to San Diego that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 17-9

13:00-19:54

2 stops21h 54m

San Diego

Thu 24-9

07:15-23:00

2 stops24h 45m

HK$7,258

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Sun 18-10

00:45-18:02

2 stops32h 17m

San Diego

Sat 24-10

15:00-06:40

1 stop24h 40m

HK$7,265
Fastest return journey

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Sat 12-9

09:25-15:01

1 stop20h 36m

San Diego

Fri 18-9

19:53-05:05

1 stop18h 12m

HK$7,281

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 17-9

09:25-15:01

1 stop20h 36m

San Diego

Thu 24-9

15:00-05:05

1 stop23h 05m

HK$7,281

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Mon 28-9

00:45-19:13

2 stops33h 28m

San Diego

Thu 1-10

19:53-16:20

2 stops53h 27m

HK$7,352

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Tue 22-12

00:55-22:51

2 stops37h 56m

San Diego

Sat 9-1

19:30-07:40

1 stop20h 10m

HK$8,027

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Tue 22-12

18:10-22:55

2 stops44h 45m

San Diego

Thu 7-1

06:15-23:10

2 stops24h 55m

HK$8,042

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Wed 26-8

09:25-15:10

1 stop20h 45m

San Diego

Sat 29-8

19:59-05:05

1 stop18h 06m

HK$8,293
Cheapest one-way

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 24-12

14:05-15:20

2 stops41h 15m

HK$4,708

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Wed 23-12

18:10-17:59

2 stops39h 49m

HK$4,786

Flights are sorted by cheapest return flights first.

Deals found on 11-8

Showing 1-10 of 20 resultsSorted by cheapest first
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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 return 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

No data available for this route at this time. Please check back soon.

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.

  • What airport do you fly into for flights to San Diego from Hong Kong?

    San Diego (SAN), located 4.2 km from the city centre, is the airport you fly into when you book flights from Hong Kong to San Diego.

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

    A quick flight from Hong Kong to San Diego can take about 36h 49m. Delta provides one of the quickest options available for as low as HK$7,265. Airlines will cover a distance of 11829 km.

  • 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 holiday 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.

See more FAQs

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How does Cheapflights help users find flights from Hong Kong to San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to San Diego?

Cheapflights simply makes it quick and affordable to book flights from Hong Kong to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Hong Kong to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Hong Kong today and book when prices fit your budget.

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