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Cheap flights from Hong Kong to San Diego from HK$3,532

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 23-6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
21 Apr — 28 Apr1
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 22 March 2026.

Tue 13-1011:20
HKG
-
SAN
2 stops26h 36m
星宇航空
Tue 20-1016:50
SAN
-
HKG
2 stops26h 05m
星宇航空
Deal found 21-3HK$6,555
Tue 13-1011:20
HKG
-
SAN
2 stops26h 36m
星宇航空
Mon 19-1016:50
SAN
-
HKG
2 stops26h 05m
星宇航空
Deal found 21-3HK$6,759
Sat 2-519:40
HKG
-
SAN
2 stops29h 45m
EVA Air
Sat 9-517:52
SAN
-
HKG
2 stops23h 58m
EVA Air
Deal found 18-3HK$6,845
Wed 29-421:05
HKG
-
SAN
2 stops28h 20m
EVA Air
Sat 9-517:52
SAN
-
HKG
2 stops23h 58m
EVA Air
Deal found 18-3HK$7,057
Tue 28-421:45
HKG
-
SAN
2 stops27h 40m
Multiple Airlines
Sat 9-508:15
SAN
-
HKG
2 stops20h 40m
Multiple Airlines
Deal found 18-3HK$7,221
Fri 11-911:20
HKG
-
SAN
2 stops25h 32m
星宇航空
Tue 15-919:05
SAN
-
HKG
2 stops23h 50m
星宇航空
Deal found 18-3HK$7,401
Wed 29-419:40
HKG
-
SAN
2 stops29h 45m
EVA Air
Tue 12-521:12
SAN
-
HKG
2 stops21h 53m
EVA Air
Deal found 18-3HK$7,417
Tue 28-421:45
HKG
-
SAN
2 stops27h 40m
Multiple Airlines
Mon 11-514:31
SAN
-
HKG
2 stops27h 19m
Multiple Airlines
Deal found 18-3HK$7,558
Tue 28-421:45
HKG
-
SAN
2 stops27h 40m
Multiple Airlines
Tue 12-521:12
SAN
-
HKG
2 stops20h 38m
Multiple Airlines
Deal found 18-3HK$7,581
Tue 5-520:10
HKG
-
SAN
2 stops27h 45m
Multiple Airlines
Tue 12-521:12
SAN
-
HKG
2 stops21h 43m
Multiple Airlines
Deal found 21-3HK$7,879
Fri 11-909:45
HKG
-
SAN
1 stop17h 02m
Air Canada
Tue 15-912:35
SAN
-
HKG
1 stop25h 40m
Air Canada
Deal found 18-3HK$8,098

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 22 March 2026.

Round-trip from

HK$6,845

One-way from

HK$3,532

Popular in

February

Cheapest in

June

Average price

HK$8,404
EVA Air
  • EVA Air
  • 2-5-9-5
  • 4 total stops
  • 53h 43m total
  • Hong Kong to San Diego
Search Deals
23-6
  • 23-6
  • 2 total stops
  • 21h 53m total
  • Hong Kong to San Diego
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (HK$19,856 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (HK$11,089 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 22 March 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 11-9

11:20-21:52

2 stops25h 32m

San Diego

Tue 15-9

19:05-09:55

2 stops23h 50m

HK$7,401

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 11-9

09:45-11:47

1 stop17h 02m

San Diego

Tue 15-9

12:35-05:15

1 stop25h 40m

HK$8,098
Fastest return journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 2-5

11:45-20:02

2 stops23h 17m

San Diego

Sat 9-5

09:09-18:55

1 stop18h 46m

HK$8,827

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 23-4

22:30-08:44

1 stop25h 14m

San Diego

Mon 27-4

18:22-05:00

1 stop19h 38m

HK$8,897

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 30-4

11:45-00:28

1 stop27h 43m

San Diego

Wed 13-5

06:20-18:30

1 stop21h 10m

HK$9,743

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 5-5

21:45-10:25

2 stops27h 40m

San Diego

Tue 12-5

08:10-05:15

1 stop30h 05m

HK$10,221

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 28-4

11:20-22:36

2 stops26h 16m

San Diego

Mon 11-5

19:35-18:55

2 stops32h 20m

HK$10,229

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 6-7

20:10-09:38

2 stops28h 28m

San Diego

Sun 9-8

21:20-10:05

2 stops21h 45m

HK$10,612

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 30-4

11:45-00:28

1 stop27h 43m

San Diego

Thu 14-5

20:45-05:40

1 stop17h 55m

HK$11,004
Cheapest one-way
Fastest single journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 23-6

09:25-16:18

2 stops21h 53m

HK$3,532

Flights are sorted by cheapest return flights first.

Deals found on 21-3

Showing 1-10 of 18 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

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$3,595). Flying from Hong Kong to San Diego in December is currently the most expensive (average of HK$8,325). 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 17h 02m. 星宇航空 provides one of the quickest options available for as low as HK$8,098. 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$3,595). Flying from Hong Kong to San Diego in December is currently the most expensive (average of HK$8,325). 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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