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Cheap flights from Hong Kong to San Diego from HK$3,624

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 31-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
1 Aug — 8 Aug1
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 2 July 2026.

Sun 11-1022:30
HKG
-
SAN
2 stops28h 05m
United Airlines
Mon 12-1014:24
SAN
-
HKG
2 stops23h 36m
United Airlines
Deal found 30-6HK$6,596
Mon 31-800:45
HKG
-
SAN
2 stops29h 25m
Korean Air
Mon 7-919:59
SAN
-
HKG
2 stops23h 56m
Korean Air
Deal found 30-6HK$6,926
Tue 1-917:55
HKG
-
SAN
2 stops39h 11m
Delta
Mon 7-906:15
SAN
-
HKG
1 stop31h 50m
Delta
Deal found 30-6HK$7,020
Tue 1-911:45
HKG
-
SAN
1 stop16h 59m
United Airlines
Mon 7-906:20
SAN
-
HKG
1 stop21h 35m
United Airlines
Deal found 30-6HK$7,044
Sat 24-1000:45
HKG
-
SAN
2 stops32h 17m
Delta
Sat 28-1119:10
SAN
-
HKG
2 stops36h 00m
Delta
Deal found 27-6HK$7,075
Tue 25-801:10
HKG
-
SAN
1 stop28h 40m
Multiple Airlines
Sat 29-810:00
SAN
-
HKG
1 stop29h 15m
Multiple Airlines
Deal found 29-6HK$8,157
Sat 19-1210:45
HKG
-
SAN
1 stop23h 14m
Air Canada
Thu 7-116:06
SAN
-
HKG
2 stops21h 04m
Air Canada
Deal found 2-7HK$8,479
Thu 2-712:40
HKG
-
SAN
2 stops20h 59m
United Airlines
Wed 15-716:09
SAN
-
HKG
2 stops22h 31m
United Airlines
Deal found 29-6HK$8,651
Sat 11-712:40
HKG
-
SAN
1 stop22h 21m
United Airlines
Tue 14-713:39
SAN
-
HKG
2 stops25h 01m
United Airlines
Deal found 27-6HK$8,934

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 July 2026.

Round-trip from

HK$6,596

One-way from

HK$3,624
United Airlines
  • United Airlines
  • 11-10-12-10
  • 4 total stops
  • 51h 41m total
  • Hong Kong to San Diego
Search Deals
31-8
  • 31-8
  • 2 total stops
  • 29h 05m 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 2 July 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
Fastest return journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 11-10

22:30-13:44

1 stop30h 14m

San Diego

Mon 12-10

17:00-05:00

2 stops21h 00m

HK$6,596
Cheapest one-way

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 31-8

00:45-14:50

2 stops29h 05m

HK$3,624

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 19-11

11:25-11:35

1 stop40h 10m

HK$5,271
Fastest single journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 1-9

11:45-18:35

1 stop21h 50m

HK$5,271

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 13-8

20:50-15:14

3 stops57h 24m

HK$5,365

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 15-8

18:40-07:44

3 stops52h 04m

HK$5,381

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 27-8

01:10-14:50

1 stop28h 40m

HK$5,992

Flights are sorted by cheapest return flights first.

Deals found on 1-7

Sorted by cheapest first

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 30h 14m. United Airlines provides one of the quickest options available for as low as HK$6,596. 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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