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Cheap flights from Hong Kong to San Diego from HK$4,314

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 8-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
16 Jun — 23 Jun1
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 17 May 2026.

Tue 30-620:10
HKG
-
SAN
2 stops28h 25m
Multiple Airlines
Tue 7-721:27
SAN
-
HKG
2 stops20h 48m
Multiple Airlines
Deal found 12-5HK$7,469
Tue 26-513:30
HKG
-
SAN
2 stops21h 59m
Multiple Airlines
Fri 29-507:43
SAN
-
HKG
2 stops21h 12m
Multiple Airlines
Deal found 12-5HK$8,127
Tue 8-911:20
HKG
-
SAN
2 stops27h 24m
星宇航空
Fri 11-919:58
SAN
-
HKG
2 stops23h 12m
星宇航空
Deal found 15-5HK$8,150
Fri 19-610:15
HKG
-
SAN
2 stops38h 08m
China Airlines
Fri 26-621:27
SAN
-
HKG
2 stops21h 38m
China Airlines
Deal found 14-5HK$8,464
Wed 10-620:10
HKG
-
SAN
2 stops27h 10m
Multiple Airlines
Wed 17-619:56
SAN
-
HKG
2 stops23h 09m
Multiple Airlines
Deal found 11-5HK$8,871
Tue 8-911:45
HKG
-
SAN
1 stop16h 59m
United Airlines
Fri 11-913:24
SAN
-
HKG
2 stops25h 16m
United Airlines
Deal found 15-5HK$8,926
Tue 30-611:45
HKG
-
SAN
2 stops27h 09m
United Airlines
Tue 7-713:39
SAN
-
HKG
1 stop38h 16m
United Airlines
Deal found 12-5HK$9,027
Fri 29-519:40
HKG
-
SAN
2 stops19h 50m
Multiple Airlines
Mon 1-620:04
SAN
-
HKG
2 stops21h 46m
Multiple Airlines
Deal found 15-5HK$9,074
Wed 1-711:45
HKG
-
SAN
2 stops23h 06m
United Airlines
Tue 7-706:20
SAN
-
HKG
2 stops21h 35m
United Airlines
Deal found 12-5HK$9,693

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 17 May 2026.

Round-trip from

HK$7,469

One-way from

HK$4,314

Popular in

February

Cheapest in

October

Average price

HK$13,968
30-6-7-7
  • 30-6-7-7
  • 4 total stops
  • 49h 13m total
  • Hong Kong to San Diego
Search Deals
8-9
  • 8-9
  • 2 total stops
  • 27h 38m total
  • Hong Kong to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (HK$21,375 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (HK$12,480 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 17 May 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

Tue 8-9

11:20-23:44

2 stops27h 24m

San Diego

Fri 11-9

19:58-10:10

2 stops23h 12m

HK$8,150

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 10-9

11:20-23:44

2 stops27h 24m

San Diego

Mon 14-9

16:00-09:55

2 stops26h 55m

HK$8,542

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 10-6

20:10-08:20

2 stops27h 10m

San Diego

Wed 17-6

19:56-10:05

2 stops23h 09m

HK$8,871

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 8-9

11:45-13:44

1 stop16h 59m

San Diego

Fri 11-9

13:24-05:40

2 stops25h 16m

HK$8,926
Fastest return journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 10-9

22:30-00:29

1 stop16h 59m

San Diego

Mon 14-9

07:15-18:55

1 stop20h 40m

HK$9,027

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 1-7

21:45-23:54

1 stop17h 09m

San Diego

Tue 7-7

11:01-05:00

1 stop26h 59m

HK$9,027

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 29-5

19:40-00:30

2 stops19h 50m

San Diego

Mon 1-6

20:04-08:50

2 stops21h 46m

HK$9,074
Cheapest one-way

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 8-9

20:10-08:48

2 stops27h 38m

HK$4,314

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 28-6

17:35-09:35

2 stops31h 00m

HK$4,518
Fastest single journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 26-6

20:10-00:15

2 stops19h 05m

HK$4,956

Flights are sorted by cheapest return flights first.

Deals found on 15-5

Showing 1-10 of 16 resultsSorted by cheapest first
1
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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 27h 24m. 星宇航空 provides one of the quickest options available for as low as HK$8,150. 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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