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Cheap flights from Hong Kong to San Diego from HK$4,098

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 1-6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
6 Jun — 13 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 7 May 2026.

Fri 19-620:10
HKG
-
SAN
2 stops26h 25m
Multiple Airlines
Fri 26-621:27
SAN
-
HKG
2 stops21h 38m
Multiple Airlines
Deal found 4-5HK$8,204
Fri 11-911:20
HKG
-
SAN
2 stops27h 24m
星宇航空
Mon 14-916:00
SAN
-
HKG
2 stops26h 55m
星宇航空
Deal found 5-5HK$8,541
Fri 11-909:45
HKG
-
SAN
1 stop17h 02m
Air Canada
Mon 14-913:28
SAN
-
HKG
2 stops24h 47m
Air Canada
Deal found 5-5HK$9,097
Fri 25-1209:45
HKG
-
SAN
2 stops21h 08m
Air Canada
Sun 17-113:28
SAN
-
HKG
2 stops23h 42m
Air Canada
Deal found 5-5HK$9,128
Sun 21-621:05
HKG
-
SAN
2 stops33h 00m
Multiple Airlines
Sun 28-621:27
SAN
-
HKG
2 stops23h 38m
Multiple Airlines
Deal found 6-5HK$9,238
Fri 11-912:40
HKG
-
SAN
1 stop19h 46m
United Airlines
Mon 14-916:06
SAN
-
HKG
1 stop21h 54m
United Airlines
Deal found 5-5HK$9,324
Sun 21-621:45
HKG
-
SAN
1 stop17h 09m
United Airlines
Sun 28-606:20
SAN
-
HKG
1 stop21h 10m
United Airlines
Deal found 6-5HK$10,037
Wed 9-1200:25
HKG
-
SAN
2 stops36h 43m
Qatar Airways
Mon 11-108:40
SAN
-
HKG
2 stops38h 10m
Qatar Airways
Deal found 5-5HK$10,327
Sun 20-1209:45
HKG
-
SAN
1 stop17h 28m
Air Canada
Sat 16-117:00
SAN
-
HKG
1 stop20h 10m
Air Canada
Deal found 5-5HK$11,181

Find flight deals from Hong Kong to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 May 2026.

Round-trip from

HK$8,204

One-way from

HK$4,098

Popular in

February

Cheapest in

June

Average price

HK$13,978
19-6-26-6
  • 19-6-26-6
  • 4 total stops
  • 48h 03m total
  • Hong Kong to San Diego
Search Deals
1-6
  • 1-6
  • 3 total stops
  • 48h 09m total
  • Hong Kong to San Diego
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (HK$18,391 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease (HK$10,945 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 7 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

Fri 19-6

20:10-07:35

2 stops26h 25m

San Diego

Fri 26-6

21:27-10:05

2 stops21h 38m

HK$8,204

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 11-9

11:20-23:44

2 stops27h 24m

San Diego

Mon 14-9

16:00-09:55

2 stops26h 55m

HK$8,541

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 11-9

09:45-11:47

1 stop17h 02m

San Diego

Mon 14-9

13:28-05:15

2 stops24h 47m

HK$9,097
Fastest return journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 11-9

11:45-17:26

2 stops20h 41m

San Diego

Mon 14-9

19:41-05:00

1 stop18h 19m

HK$9,324
Cheapest one-way

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 1-6

07:30-23:44

2 stops31h 14m

HK$4,325

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 6-6

07:30-23:44

2 stops31h 14m

HK$4,325

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 21-6

21:05-12:19

2 stops30h 14m

HK$4,560

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 30-6

20:10-09:35

2 stops28h 25m

HK$5,171
Fastest single journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 6-6

09:45-20:55

1 stop26h 10m

HK$5,344

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 3-11

17:35-10:30

2 stops32h 55m

HK$5,344

Flights are sorted by cheapest return flights first.

Deals found on 7-5

Showing 1-10 of 12 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

How much does it cost for a return flight from Hong Kong to San Diego?

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.

  • How long is the flight from Hong Kong to San Diego?

    A quick flight from Hong Kong to San Diego can take about 17h 02m. 星宇航空 provides one of the quickest options available for as low as HK$9,097. 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.

See more FAQs

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Cheapflights makes it easy to find Hong Kong to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals from Hong Kong to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Hong Kong to San Diego with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to San Diego flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Hong Kong to San Diego become cheaper?

Yes! Start tracking prices for Hong Kong to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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