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Cheap flights from Hong Kong to San Diego from HK$3,245

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 8-5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
3 May — 10 May1
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 3 April 2026.

Fri 15-521:05
HKG
-
SAN
2 stops36h 22m
EVA Air
Fri 22-520:35
SAN
-
HKG
2 stops21h 15m
EVA Air
Deal found 31-3HK$7,500
Thu 14-515:25
HKG
-
SAN
2 stops31h 33m
EVA Air
Thu 21-517:42
SAN
-
HKG
2 stops24h 08m
EVA Air
Deal found 30-3HK$7,555
Sun 17-521:05
HKG
-
SAN
2 stops30h 09m
EVA Air
Sun 24-507:43
SAN
-
HKG
2 stops22h 02m
EVA Air
Deal found 2-4HK$7,923
Thu 10-909:45
HKG
-
SAN
2 stops38h 20m
Air Canada
Mon 14-916:07
SAN
-
HKG
2 stops46h 08m
Air Canada
Deal found 31-3HK$8,151
Thu 10-911:45
HKG
-
SAN
1 stop18h 09m
United Airlines
Mon 14-917:00
SAN
-
HKG
2 stops21h 00m
United Airlines
Deal found 30-3HK$8,237
Thu 14-519:40
HKG
-
SAN
2 stops19h 19m
Multiple Airlines
Thu 21-520:45
SAN
-
HKG
2 stops21h 05m
Multiple Airlines
Deal found 30-3HK$8,754
Sun 17-519:40
HKG
-
SAN
2 stops27h 18m
Multiple Airlines
Sun 24-507:43
SAN
-
HKG
2 stops21h 12m
Multiple Airlines
Deal found 2-4HK$8,840
Wed 9-909:45
HKG
-
SAN
2 stops37h 58m
Air Canada
Sun 13-908:45
SAN
-
HKG
2 stops29h 30m
Air Canada
Deal found 2-4HK$8,981
Wed 9-912:40
HKG
-
SAN
2 stops23h 05m
United Airlines
Sun 13-919:41
SAN
-
HKG
1 stop18h 19m
United Airlines
Deal found 2-4HK$9,326
Thu 14-512:40
HKG
-
SAN
1 stop19h 44m
United Airlines
Thu 21-506:20
SAN
-
HKG
2 stops21h 35m
United Airlines
Deal found 30-3HK$10,165

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 3 April 2026.

Round-trip from

HK$7,500

One-way from

HK$3,245

Popular in

February

Cheapest in

June

Average price

HK$9,326
EVA Air
  • EVA Air
  • 15-5-22-5
  • 4 total stops
  • 57h 37m total
  • Hong Kong to San Diego
Search Deals
8-5
  • 8-5
  • 2 total stops
  • 39h 47m total
  • Hong Kong to San Diego
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (HK$19,878 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (HK$11,102 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 3 April 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 - SAN

HKGSAN

Hong Kong Intl

Thu 10-9

09:45-09:05

2 stops38h 20m

San Diego

Mon 14-9

16:07-05:15

2 stops46h 08m

HK$8,151

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 10-9

12:40-17:26

1 stop19h 46m

San Diego

Mon 14-9

17:00-05:00

2 stops21h 00m

HK$8,237
Fastest return journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 14-5

19:40-23:59

2 stops19h 19m

San Diego

Thu 21-5

20:45-08:50

2 stops21h 05m

HK$8,754

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 9-9

09:45-08:43

2 stops37h 58m

San Diego

Sun 13-9

08:45-05:15

2 stops29h 30m

HK$8,981

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 14-5

12:40-17:24

1 stop19h 44m

San Diego

Thu 21-5

06:20-18:55

2 stops21h 35m

HK$10,165

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 25-7

10:15-09:35

2 stops38h 20m

San Diego

Thu 30-7

16:14-13:00

2 stops29h 46m

HK$10,690
Cheapest one-way

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 3-9

13:00-23:49

2 stops25h 49m

HK$3,848

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 8-5

20:20-16:47

3 stops35h 27m

HK$4,577

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 29-4

08:55-22:36

2 stops28h 41m

HK$5,462

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 27-4

07:30-08:55

2 stops40h 25m

HK$5,627

Flights are sorted by cheapest return flights first.

Deals found on 29-3

Showing 1-10 of 16 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

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$3,597). Flying from Hong Kong to San Diego in December is currently the most expensive (average of HK$8,331). 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 19h 46m. Air Canada provides one of the quickest options available for as low as HK$8,237. Airlines will cover a distance of 11829 km. This flight may include one or multiple stops.

  • 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$3,597). Flying from Hong Kong to San Diego in December is currently the most expensive (average of HK$8,331). 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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