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Cheap flights from Hong Kong to San Diego from HK$3,314

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 4-5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
18 Mar — 25 Mar1
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 16 February 2026.

Tue 31-313:30
HKG
-
SAN
2 stops38h 57m
Multiple Airlines
Tue 7-417:52
SAN
-
HKG
2 stops23h 58m
Multiple Airlines
Deal found 14-2HK$6,299
Thu 5-314:05
HKG
-
SAN
2 stops24h 58m
Multiple Airlines
Mon 16-319:40
SAN
-
HKG
2 stops23h 45m
Multiple Airlines
Deal found 15-2HK$6,620
Tue 31-312:40
HKG
-
SAN
1 stop22h 32m
United Airlines
Tue 7-418:20
SAN
-
HKG
2 stops19h 40m
United Airlines
Deal found 14-2HK$7,034
Thu 5-310:35
HKG
-
SAN
1 stop29h 39m
United Airlines
Mon 16-306:15
SAN
-
HKG
1 stop22h 00m
United Airlines
Deal found 15-2HK$7,042
Tue 31-311:45
HKG
-
SAN
2 stops23h 27m
United Airlines
Sat 4-417:00
SAN
-
HKG
2 stops21h 00m
United Airlines
Deal found 12-2HK$7,339
Wed 1-419:40
HKG
-
SAN
2 stops19h 49m
Multiple Airlines
Wed 8-420:20
SAN
-
HKG
2 stops22h 45m
Multiple Airlines
Deal found 15-2HK$7,558
Fri 27-322:45
HKG
-
SAN
1 stop15h 55m
United Airlines
Sat 11-411:01
SAN
-
HKG
2 stops26h 59m
United Airlines
Deal found 12-2HK$7,636
Mon 30-311:05
HKG
-
SAN
2 stops27h 53m
Multiple Airlines
Mon 6-420:55
SAN
-
HKG
2 stops22h 10m
Multiple Airlines
Deal found 13-2HK$7,753

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 16 February 2026.

Round-trip from

HK$6,299

One-way from

HK$3,314

Popular in

August

Cheapest in

June

Average price

HK$10,832
31-3-7-4
  • 31-3-7-4
  • 4 total stops
  • 62h 55m total
  • Hong Kong to San Diego
Search Deals
28-4
  • 28-4
  • 2 total stops
  • 30h 20m total
  • Hong Kong to San Diego
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (HK$4,994 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$3,525 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 16 February 2026.
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

Departure

Return

Price

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 31-3

12:40-20:12

1 stop22h 32m

San Diego

Tue 7-4

18:22-05:00

1 stop19h 38m

HK$7,034

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 5-3

10:35-00:14

1 stop29h 39m

San Diego

Mon 16-3

06:15-19:15

1 stop22h 00m

HK$7,042

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 1-4

12:40-20:12

1 stop22h 32m

San Diego

Wed 8-4

11:00-05:00

2 stops27h 00m

HK$7,042

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 31-3

11:45-20:12

2 stops23h 27m

San Diego

Sat 4-4

17:00-05:00

2 stops21h 00m

HK$7,339

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 4-5

20:10-10:25

2 stops29h 15m

HK$3,314

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 28-4

17:35-08:55

2 stops30h 20m

HK$3,314

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 4-5

09:45-20:50

1 stop26h 05m

HK$3,447

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 29-4

20:10-11:41

2 stops30h 31m

HK$3,478

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 17-3

02:00-12:07

2 stops25h 07m

HK$3,478

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 19-4

19:40-08:15

2 stops27h 35m

HK$3,603

Flights are sorted by cheapest return flights first.

Deals found on 16-2

Showing 1-10 of 14 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 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

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

Currently, July is the cheapest month in which you can book a flight from Hong Kong to San Diego (average of HK$3,587). Flying from Hong Kong to San Diego in December is currently the most expensive (average of HK$8,308). 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.

  • 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 22h 32m. United Airlines provides one of the quickest options available for as low as HK$7,034. 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.

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

    Currently, July is the cheapest month in which you can book a flight from Hong Kong to San Diego (average of HK$3,587). Flying from Hong Kong to San Diego in December is currently the most expensive (average of HK$8,308). 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

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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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