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Cheap flights from Hong Kong to San Diego from HK$4,065

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
19 Jun — 26 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 20 May 2026.

Thu 18-609:25
HKG
-
SAN
1 stop20h 46m
Delta
Sat 4-706:15
SAN
-
HKG
1 stop31h 50m
Delta
Deal found 19-5HK$6,908
Tue 23-620:10
HKG
-
SAN
2 stops28h 25m
Multiple Airlines
Tue 30-621:27
SAN
-
HKG
2 stops20h 48m
Multiple Airlines
Deal found 20-5HK$7,299
Tue 16-615:25
HKG
-
SAN
2 stops33h 10m
Multiple Airlines
Sat 27-621:27
SAN
-
HKG
2 stops20h 23m
Multiple Airlines
Deal found 17-5HK$7,519
Tue 8-911:20
HKG
-
SAN
2 stops27h 24m
星宇航空
Fri 11-919:58
SAN
-
HKG
2 stops23h 12m
星宇航空
Deal found 15-5HK$8,153
Thu 18-620:10
HKG
-
SAN
2 stops28h 25m
Multiple Airlines
Sat 4-719:56
SAN
-
HKG
2 stops26h 09m
Multiple Airlines
Deal found 19-5HK$8,459
Tue 8-911:45
HKG
-
SAN
2 stops20h 43m
United Airlines
Fri 11-906:15
SAN
-
HKG
2 stops21h 40m
United Airlines
Deal found 17-5HK$8,929
Thu 18-611:45
HKG
-
SAN
2 stops23h 06m
United Airlines
Sat 4-706:20
SAN
-
HKG
1 stop21h 35m
United Airlines
Deal found 19-5HK$8,944
Fri 19-614:05
HKG
-
SAN
2 stops34h 18m
Multiple Airlines
Fri 26-621:27
SAN
-
HKG
2 stops20h 48m
Multiple Airlines
Deal found 19-5HK$9,101
Tue 16-609:25
HKG
-
SAN
1 stop20h 46m
Delta
Sat 27-615:00
SAN
-
HKG
1 stop23h 05m
Delta
Deal found 17-5HK$9,461
Tue 23-609:25
HKG
-
SAN
1 stop29h 15m
Delta
Tue 30-615:00
SAN
-
HKG
1 stop23h 05m
Delta
Deal found 20-5HK$9,532
Tue 16-611:45
HKG
-
SAN
2 stops23h 06m
United Airlines
Sat 27-613:39
SAN
-
HKG
1 stop38h 16m
United Airlines
Deal found 17-5HK$9,602
Fri 19-609:25
HKG
-
SAN
1 stop24h 51m
Delta
Fri 26-610:50
SAN
-
HKG
1 stop27h 15m
Delta
Deal found 19-5HK$9,861

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 20 May 2026.

Round-trip from

HK$6,908

One-way from

HK$4,065

Popular in

February

Cheapest in

October

Average price

HK$13,972
Delta
  • Delta
  • 18-6-4-7
  • 2 total stops
  • 52h 36m total
  • Hong Kong to San Diego
Search Deals
23-6
  • 23-6
  • 2 total stops
  • 19h 35m total
  • Hong Kong to San Diego
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (HK$21,390 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (HK$12,484 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 20 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

Tue 23-6

20:10-09:35

2 stops28h 25m

San Diego

Tue 30-6

21:27-09:15

2 stops20h 48m

HK$7,299

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 8-9

11:20-23:44

2 stops27h 24m

San Diego

Fri 11-9

19:58-10:10

2 stops23h 12m

HK$8,153
Fastest return journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 8-9

11:45-15:54

1 stop19h 09m

San Diego

Fri 11-9

19:41-05:00

1 stop18h 19m

HK$8,929

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 18-6

11:45-19:51

2 stops23h 06m

San Diego

Sat 4-7

06:20-18:55

1 stop21h 35m

HK$8,944

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 19-6

14:05-09:23

2 stops34h 18m

San Diego

Fri 26-6

21:27-09:15

2 stops20h 48m

HK$9,101
Cheapest one-way

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 16-6

13:40-00:15

2 stops49h 35m

HK$4,221

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 11-6

14:35-08:48

3 stops33h 13m

HK$4,300

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 8-9

20:10-08:48

2 stops27h 38m

HK$4,315

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 11-6

09:45-16:15

1 stop21h 30m

HK$4,323

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 19-6

23:15-08:48

3 stops48h 33m

HK$4,629

Flights are sorted by cheapest return flights first.

Deals found on 17-5

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 19h 09m. 星宇航空 provides one of the quickest options available for as low as HK$8,929. 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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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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