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Cheap flights from Hong Kong to San Diego from HK$3,623

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
3 Aug — 10 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 4 July 2026.

Sun 11-1022:30
HKG
-
SAN
1 stop30h 14m
United Airlines
Mon 12-1017:00
SAN
-
HKG
2 stops21h 00m
United Airlines
Deal found 2-7HK$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$6,925
Tue 1-917:55
HKG
-
SAN
2 stops39h 11m
Delta
Mon 7-906:15
SAN
-
HKG
1 stop31h 50m
Delta
Deal found 30-6HK$7,019
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$7,043
Thu 19-1100:55
HKG
-
SAN
2 stops33h 04m
Air Canada
Sat 5-1214:00
SAN
-
HKG
2 stops41h 10m
Air Canada
Deal found 2-7HK$7,192
Sun 11-1009:45
HKG
-
SAN
1 stop21h 27m
Air Canada
Mon 12-1016:55
SAN
-
HKG
1 stop21h 20m
Air Canada
Deal found 3-7HK$8,109
Sun 11-1011:35
HKG
-
SAN
2 stops27h 24m
星宇航空
Mon 12-1019:25
SAN
-
HKG
2 stops23h 30m
星宇航空
Deal found 3-7HK$8,243
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$8,478

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 4 July 2026.

Round-trip from

HK$6,596

One-way from

HK$3,623
United Airlines
  • United Airlines
  • 11-10-12-10
  • 3 total stops
  • 51h 14m 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 4 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

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

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 1-9

17:55-18:06

2 stops39h 11m

San Diego

Mon 7-9

06:15-05:05

1 stop31h 50m

HK$7,019
Fastest return journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 11-10

09:45-16:12

1 stop21h 27m

San Diego

Mon 12-10

16:55-05:15

1 stop21h 20m

HK$8,109

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 11-10

11:35-23:59

2 stops27h 24m

San Diego

Mon 12-10

19:25-09:55

2 stops23h 30m

HK$8,243
Cheapest one-way

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 31-8

00:45-14:50

2 stops29h 05m

HK$3,623

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 1-9

11:45-18:35

1 stop21h 50m

HK$5,270

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 15-8

18:40-07:44

3 stops52h 04m

HK$5,380

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 5-9

11:45-18:35

1 stop21h 50m

HK$5,459

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 8-9

11:45-18:35

1 stop21h 50m

HK$5,459
Fastest single journey

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 6-9

11:45-13:44

1 stop16h 59m

HK$5,459

Flights are sorted by cheapest return flights first.

Deals found on 1-7

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.

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 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 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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