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Cheap flights from Hong Kong to San Diego from HK$5,683

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 30-7. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
22 Jun — 29 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 17 June 2025.

Round-trip from

HK$6,523

One-way from

HK$5,683

Popular in

June

Cheapest in

September

Average price

HK$16,241
星宇航空
  • 星宇航空
  • 8-9-29-10
  • 4 total stops
  • 59h 38m total
  • Hong Kong to San Diego
30-7
  • 30-7
  • 3 total stops
  • 59h 12m total
  • Hong Kong to San Diego
Highest demand for flights based on searches. 15% potential increase in price (HK$15,659 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (HK$4,012 potential savings vs. average return price).
Average for round-trip flights in June 2025

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 17 June 2025.

Mon 8-911:20HKG - SAN
2 stops25h 33m星宇航空
Wed 29-1017:25SAN - HKG
2 stops34h 05m星宇航空
Deal found 17-6HK$6,523
Sun 26-1015:30HKG - SAN
2 stops19h 37mEVA Air
Mon 1-1214:40SAN - HKG
2 stops27h 25mEVA Air
Deal found 17-6HK$6,696
Mon 8-918:00HKG - SAN
1 stop32h 47mAir Canada
Wed 29-1020:10SAN - HKG
1 stop30h 30mAir Canada
Deal found 15-6HK$6,978
Fri 17-1018:00HKG - SAN
2 stops21h 15mMultiple Airlines
Wed 19-1120:10SAN - HKG
1 stop30h 30mMultiple Airlines
Deal found 15-6HK$7,057
Thu 16-1000:30HKG - SAN
2 stops38h 11mAsiana Airlines
Wed 19-1106:15SAN - HKG
2 stops24h 15mAsiana Airlines
Deal found 16-6HK$8,289
Sun 7-900:45HKG - SAN
2 stops36h 54mDelta
Wed 29-1013:35SAN - HKG
2 stops42h 35mDelta
Deal found 17-6HK$9,427
Thu 31-700:45HKG - SAN
2 stops29h 34mKorean Air
Fri 8-819:35SAN - HKG
2 stops24h 05mKorean Air
Deal found 17-6HK$9,890
Sun 22-618:55HKG - SAN
2 stops20h 20mUnited Airlines
Sat 12-717:50SAN - HKG
1 stop20h 10mUnited Airlines
Deal found 16-6HK$10,479
Sun 7-900:25HKG - SAN
3 stops53h 38mEthiopian Air
Wed 29-1022:00SAN - HKG
3 stops49h 25mEthiopian Air
Deal found 16-6HK$13,478
Thu 16-1001:20HKG - SAN
2 stops29h 39mJapan Airlines
Wed 19-1111:40SAN - HKG
1 stop19h 05mJapan Airlines
Deal found 15-6HK$13,901
Tue 29-700:40HKG - SAN
2 stops32h 40mEmirates
Wed 6-810:43SAN - HKG
3 stops40h 22mEmirates
Deal found 15-6HK$18,093
Sat 25-1000:50HKG - SAN
1 stop30h 38mCathay Pacific
Mon 1-1216:56SAN - HKG
1 stop20h 09mCathay Pacific
Deal found 15-6HK$18,211

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 17 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

11:20-21:53

2 stops25h 33m

San Diego

Wed 29-10

17:25-18:30

2 stops34h 05m

HK$6,523

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 26-10

15:30-20:07

2 stops19h 37m

San Diego

Mon 1-12

14:40-10:05

2 stops27h 25m

HK$6,696

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 8-9

18:00-11:47

1 stop32h 47m

San Diego

Wed 29-10

20:10-17:40

1 stop30h 30m

HK$6,978

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 17-10

18:00-00:15

2 stops21h 15m

San Diego

Wed 19-11

20:10-18:40

1 stop30h 30m

HK$7,057

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 16-10

00:30-23:41

2 stops38h 11m

San Diego

Wed 19-11

06:15-22:30

2 stops24h 15m

HK$8,289

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 7-9

00:45-22:39

2 stops36h 54m

San Diego

Wed 29-10

13:35-23:10

2 stops42h 35m

HK$9,427

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 31-7

00:45-15:19

2 stops29h 34m

San Diego

Fri 8-8

19:35-10:40

2 stops24h 05m

HK$9,890

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 29-8

18:55-23:44

1 stop19h 49m

San Diego

Sun 5-10

16:07-05:40

2 stops22h 33m

HK$12,646

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$13,478

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 16-10

01:20-15:59

2 stops29h 39m

San Diego

Wed 19-11

11:40-22:45

1 stop19h 05m

HK$13,901

Flights are sorted by cheapest return flights first.

Deals found on 16-6

Showing 1-10 of 15 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 17 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 17 June 2025.
Read through reviews of airlines operating flights from Hong Kong to San Diego, such as 星宇航空, EVA Air and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
9.1
Wonderful

Comfort

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Overall

9.1

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful
星宇航空
9.1
Wonderful

Comfort

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Overall

9.1

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful

Comfort

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Overall

9.1

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful

Comfort

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Overall

9.1

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful

Comfort

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Overall

9.1

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful

Comfort

9.0

Entertainment

9.0

Food

8.9

Crew

9.3

Overall

9.1

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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$6,523, 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$6,696 and HK$6,978, respectively. 星宇航空 is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 17 June 2025.

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 17 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestHK$3,601AverageHK$9,913FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestHK$6,301AverageHK$10,338FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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