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Cheap flights from Hong Kong to San Diego from HK$3,307

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 6-4. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
1 2月 — 8 2月1
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.

Best flights from Hong Kong to San Diego
Discover carefully curated flight deals from Hong Kong to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 1月 2026.

日 25-117:35HKG - SAN
2 stops21h 34mMultiple Airlines
日 1-217:10SAN - HKG
2 stops24h 05mMultiple Airlines
Deal found 31-12HK$5,852
木 5-220:25HKG - SAN
1 stop31h 38mAir Canada
土 28-218:05SAN - HKG
1 stop32h 35mAir Canada
Deal found 1-1HK$6,989
火 31-312:40HKG - SAN
2 stops26h 49mUnited Airlines
土 4-411:01SAN - HKG
2 stops26h 59mUnited Airlines
Deal found 30-12HK$7,331
木 5-220:05HKG - SAN
2 stops28h 30mMultiple Airlines
土 28-216:45SAN - HKG
2 stops24h 30mMultiple Airlines
Deal found 1-1HK$5,922
日 25-110:35HKG - SAN
1 stop24h 09mUnited Airlines
日 1-219:52SAN - HKG
2 stops31h 23mUnited Airlines
Deal found 31-12HK$7,440
金 27-319:40HKG - SAN
2 stops27h 34mMultiple Airlines
土 11-418:10SAN - HKG
1 stop20h 05mMultiple Airlines
Deal found 1-1HK$7,401
木 5-210:35HKG - SAN
2 stops22h 53mUnited Airlines
土 28-206:15SAN - HKG
1 stop21h 05mUnited Airlines
Deal found 1-1HK$7,448

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 2 1月 2026.

Round-trip from

HK$5,852

One-way from

HK$3,307

Popular in

August

Cheapest in

July

Average price

HK$9,479
25-1-1-2
  • 25-1-1-2
  • 4 total stops
  • 45h 39m total
  • Hong Kong to San Diego
Search Deals
6-4
  • 6-4
  • 2 total stops
  • 29h 40m total
  • Hong Kong to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (HK$1,874 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$3,153 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 2 1月 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

日 25-1

17:35-23:09

2 stops21h 34m

San Diego

日 1-2

17:10-09:15

2 stops24h 05m

HK$5,852

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

木 5-2

20:05-08:35

2 stops28h 30m

San Diego

土 28-2

16:45-09:15

2 stops24h 30m

HK$5,922

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

木 5-2

20:25-12:03

1 stop31h 38m

San Diego

土 28-2

18:05-18:40

1 stop32h 35m

HK$6,989

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

火 31-3

12:40-00:29

2 stops26h 49m

San Diego

土 4-4

11:01-05:00

2 stops26h 59m

HK$7,331

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

金 27-3

19:40-08:14

2 stops27h 34m

San Diego

土 11-4

18:10-05:15

1 stop20h 05m

HK$7,401

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

日 25-1

10:35-18:44

1 stop24h 09m

San Diego

日 1-2

19:52-19:15

2 stops31h 23m

HK$7,440

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

木 5-2

10:35-17:28

2 stops22h 53m

San Diego

土 28-2

06:15-19:20

1 stop21h 05m

HK$7,448

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

月 6-4

17:35-08:15

2 stops29h 40m

HK$3,307

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

金 30-1

17:35-08:35

2 stops31h 00m

HK$3,518

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

金 30-1

17:35-07:50

2 stops30h 15m

HK$3,837

Flights are sorted by cheapest return flights first.

Deals found on 30-12

Showing 1-10 of 15 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$3,572). Flying from Hong Kong to San Diego in August is currently the most expensive (average of HK$8,249). 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 26h 49m. Air Canada provides one of the quickest options available for as low as HK$7,331. 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$3,572). Flying from Hong Kong to San Diego in August is currently the most expensive (average of HK$8,249). 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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