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Cheap flights from Hong Kong to San Diego from HK$3,512

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 30-1. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 January 2026.

Round-trip from

HK$7,281

One-way from

HK$3,512

Popular in

August

Cheapest in

July

Average price

HK$9,484
27-3-11-4
  • 27-3-11-4
  • 4 total stops
  • 47h 46m total
  • Hong Kong to San Diego
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24-1
  • 24-1
  • 2 total stops
  • 28h 30m total
  • Hong Kong to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (HK$1,859 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$3,156 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 January 2026.

Fri 27-320:05HKG - SAN
2 stops26h 30mMultiple Airlines
Sat 11-420:59SAN - HKG
2 stops21h 16mMultiple Airlines
Deal found 5-1HK$7,281
Sat 17-120:05HKG - SAN
2 stops30h 02mMultiple Airlines
Sat 31-117:17SAN - HKG
2 stops23h 58mMultiple Airlines
Deal found 5-1HK$7,662
Tue 31-322:30HKG - SAN
2 stops31h 27mUnited Airlines
Sat 4-416:21SAN - HKG
1 stop21h 39mUnited Airlines
Deal found 5-1HK$7,732
Sat 17-122:30HKG - SAN
2 stops26h 50mUnited Airlines
Fri 23-113:00SAN - HKG
2 stops25h 45mUnited Airlines
Deal found 5-1HK$8,028
Fri 27-322:45HKG - SAN
1 stop15h 55mUnited Airlines
Sat 11-417:00SAN - HKG
2 stops21h 00mUnited Airlines
Deal found 6-1HK$8,036
Sat 17-120:25HKG - SAN
1 stop31h 38mAir Canada
Fri 23-112:45SAN - HKG
1 stop37h 55mAir Canada
Deal found 5-1HK$8,861
Thu 8-114:05HKG - SAN
2 stops34h 30mMultiple Airlines
Sat 17-118:05SAN - HKG
1 stop32h 35mMultiple Airlines
Deal found 6-1HK$9,259

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 January 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

Fri 27-3

20:05-07:35

2 stops26h 30m

San Diego

Sat 11-4

20:59-09:15

2 stops21h 16m

HK$7,281

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 17-1

20:05-10:07

2 stops30h 02m

San Diego

Sat 31-1

17:17-09:15

2 stops23h 58m

HK$7,662

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 31-3

22:30-14:57

2 stops31h 27m

San Diego

Sat 4-4

06:20-05:00

2 stops31h 40m

HK$7,732

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 17-1

22:30-09:20

2 stops26h 50m

San Diego

Fri 23-1

13:00-06:45

2 stops25h 45m

HK$8,028

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 27-3

10:35-20:53

1 stop25h 18m

San Diego

Sat 11-4

13:20-05:00

1 stop24h 40m

HK$8,028

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 30-1

20:05-08:35

2 stops28h 30m

HK$3,512

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 15-3

20:05-10:04

2 stops28h 59m

HK$3,660

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 29-6

20:10-10:00

2 stops28h 50m

HK$3,660

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 14-3

19:40-08:18

2 stops27h 38m

HK$3,769

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 11-2

20:05-07:05

2 stops27h 00m

HK$3,839

Flights are sorted by cheapest return flights first.

Deals found on 4-1

Showing 1-10 of 11 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$3,574). Flying from Hong Kong to San Diego in December is currently the most expensive (average of HK$8,277). 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.

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

    A quick flight from Hong Kong to San Diego can take about 31h 27m. United Airlines provides one of the quickest options available for as low as HK$7,732. 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.

  • 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$3,574). Flying from Hong Kong to San Diego in December is currently the most expensive (average of HK$8,277). 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 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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