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Cheap flights from Hong Kong to San Diego from HK$3,531

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
10 Jun — 17 Jun1
1 adult

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 5 June 2025.

Round-trip from

HK$6,512

One-way from

HK$3,531

Popular in

June

Cheapest in

September

Average price

HK$15,088
星宇航空
  • 星宇航空
  • 8-9-29-10
  • 4 total stops
  • 63h 15m total
  • Hong Kong to San Diego
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23-6
  • 23-6
  • 2 total stops
  • 48h 27m total
  • Hong Kong to San Diego
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Highest demand for flights based on searches. 12% potential increase in price (HK$13,061 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$2,670 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from Hong Kong to San Diego

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 5 June 2025.

Mon 8-911:20HKG - SAN
2 stops27h 33m星宇航空
Wed 29-1015:48SAN - HKG
2 stops35h 42m星宇航空
Deal found 4-6HK$6,512
Sun 22-617:10HKG - SAN
2 stops21h 49mMultiple Airlines
Sat 12-719:57SAN - HKG
2 stops21h 53mMultiple Airlines
Deal found 5-6HK$6,787
Sun 26-1013:30HKG - SAN
2 stops34h 08mEVA Air
Mon 1-1216:00SAN - HKG
2 stops27h 50mEVA Air
Deal found 5-6HK$6,936
Fri 17-1018:00HKG - SAN
2 stops33h 53mAir Canada
Wed 19-1120:10SAN - HKG
1 stop30h 30mAir Canada
Deal found 5-6HK$8,113
Sun 7-900:30HKG - SAN
2 stops28h 10mAsiana Airlines
Wed 29-1019:40SAN - HKG
2 stops25h 10mAsiana Airlines
Deal found 4-6HK$8,121
Mon 8-910:40HKG - SAN
2 stops20h 51mJapan Airlines
Wed 29-1012:40SAN - HKG
1 stop19h 05mJapan Airlines
Deal found 4-6HK$8,521
Sat 25-1000:45HKG - SAN
2 stops37h 04mDelta
Mon 1-1206:15SAN - HKG
2 stops24h 55mDelta
Deal found 4-6HK$9,627
Sun 22-618:55HKG - SAN
2 stops20h 20mUnited Airlines
Sat 12-710:43SAN - HKG
1 stop17h 12mUnited Airlines
Deal found 4-6HK$10,466
Wed 16-700:50HKG - SAN
1 stop37h 52mCathay Pacific
Thu 24-707:39SAN - HKG
1 stop30h 31mCathay Pacific
Deal found 3-6HK$13,385
Sun 7-900:25HKG - SAN
3 stops53h 38mEthiopian Air
Wed 29-1022:00SAN - HKG
3 stops49h 25mEthiopian Air
Deal found 4-6HK$13,464
Fri 22-821:30HKG - SAN
3 stops39h 11mEmirates
Sat 13-912:01SAN - HKG
3 stops39h 04mEmirates
Deal found 3-6HK$16,147

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 5 June 2025.
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

Mon 8-9

11:20-23:53

2 stops27h 33m

San Diego

Wed 29-10

15:48-18:30

2 stops35h 42m

HK$6,512

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 22-6

17:10-23:59

2 stops21h 49m

San Diego

Sat 12-7

19:57-08:50

2 stops21h 53m

HK$6,787

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 26-10

13:30-08:38

2 stops34h 08m

San Diego

Mon 1-12

16:00-11:50

2 stops27h 50m

HK$6,936

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 17-10

18:00-12:53

2 stops33h 53m

San Diego

Wed 19-11

20:10-18:40

1 stop30h 30m

HK$8,113

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 7-9

00:30-13:40

2 stops28h 10m

San Diego

Wed 29-10

19:40-11:50

2 stops25h 10m

HK$8,121

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 8-9

10:40-16:31

2 stops20h 51m

San Diego

Wed 29-10

12:40-22:45

1 stop19h 05m

HK$8,521

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 25-10

00:45-22:49

2 stops37h 04m

San Diego

Mon 1-12

06:15-23:10

2 stops24h 55m

HK$9,627

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 22-6

18:55-00:15

2 stops20h 20m

San Diego

Sat 12-7

10:43-18:55

1 stop17h 12m

HK$10,466

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 16-7

00:50-23:42

1 stop37h 52m

San Diego

Thu 24-7

07:39-05:10

1 stop30h 31m

HK$13,385

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 7-9

00:25-15:03

3 stops53h 38m

San Diego

Wed 29-10

22:00-14:25

3 stops49h 25m

HK$13,464

Flights are sorted by cheapest return flights first.

Deals found on 4-6

Showing 1-10 of 19 results
1
2

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 time of day to fly from HKG to SAN?

Find hourly flight availability from Hong Kong to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 June 2025.

When flying from Hong Kong to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 17% versus a flight in the afternoon.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 5 June 2025.
星宇航空
9.1
Wonderful
Check prices

Crew

9.3

Comfort

9.0

Entertainment

8.9

Food

8.8

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
星宇航空
9.1
Wonderful
星宇航空
9.1
Wonderful
Check prices

Crew

9.3

Comfort

9.0

Entertainment

8.9

Food

8.8

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very Good
1,200 reviews
星宇航空
9.1
Wonderful
Check prices

Crew

9.3

Comfort

9.0

Entertainment

8.9

Food

8.8

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very Good
1,486 reviews
星宇航空
9.1
Wonderful
Check prices

Crew

9.3

Comfort

9.0

Entertainment

8.9

Food

8.8

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Asiana Airlines
8.2
Very Good
446 reviews
星宇航空
9.1
Wonderful
Check prices

Crew

9.3

Comfort

9.0

Entertainment

8.9

Food

8.8

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Emirates
8.1
Very Good
3,263 reviews
星宇航空
9.1
Wonderful
Check prices

Crew

9.3

Comfort

9.0

Entertainment

8.9

Food

8.8

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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.

  • What are the cheapest airlines flying from Hong Kong to San Diego round-trip?

    Currently priced at HK$6,512, 星宇航空 will fly you from Hong Kong to San Diego and back. In addition to 星宇航空, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from EVA Air and Air Canada - these airlines can fly you to your destination from HK$6,936 and HK$8,113, respectively. 星宇航空 is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Hong Kong to San Diego one-way?

    The cheapest airline one-way is 星宇航空, with whom users have recently found tickets for as low as HK$4,362. However, be on the lookout for offers from Qatar Airways and Cathay Pacific, as they are both options that can get you from Hong Kong to San Diego for a low price.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Fly from Hong Kong to San Diego on these airlines

Choose from the following airlines for your flight from Hong Kong to San Diego. Flights are based on user searches made on Cheapflights and were last updated on 5 June 2025.
United Airlines flights from Hong Kong Intl to San Diego

Top 2 airlines flying from Hong Kong to San Diego

Discover the top 2 airlines that operate flights from Hong Kong to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 5 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestHK$3,599AverageHK$9,909FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestHK$6,298AverageHK$10,334FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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