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Cheap flights from Hong Kong to San Diego from HK$4,937

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 19-7. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
6 Jul — 13 Jul1
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 1 July 2025.

Round-trip from

HK$6,523

One-way from

HK$4,937

Popular in

June

Cheapest in

September

Average price

HK$9,145
星宇航空
  • 星宇航空
  • 8-9-29-10
  • 4 total stops
  • 58h 38m total
  • Hong Kong to San Diego
19-7
  • 19-7
  • 3 total stops
  • 58h 43m total
  • Hong Kong to San Diego
Highest demand for flights based on searches. 12% potential increase in price (HK$13,021 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (HK$3,409 potential savings vs. average return price).
Average for round-trip flights in July 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 1 July 2025.

Mon 8-911:20HKG - SAN
2 stops25h 37m星宇航空
Wed 29-1018:29SAN - HKG
2 stops33h 01m星宇航空
Deal found 30-6HK$6,523
Sun 26-1011:15HKG - SAN
2 stops36h 23mEVA Air
Mon 1-1216:00SAN - HKG
2 stops27h 50mEVA Air
Deal found 30-6HK$6,931
Sun 26-1019:25HKG - SAN
1 stop31h 38mAir Canada
Mon 1-1218:10SAN - HKG
1 stop32h 30mAir Canada
Deal found 30-6HK$7,284
Fri 17-1018:00HKG - SAN
2 stops20h 41mMultiple Airlines
Wed 19-1118:10SAN - HKG
1 stop32h 30mMultiple Airlines
Deal found 30-6HK$7,363
Tue 1-700:30HKG - SAN
2 stops38h 14mAsiana Airlines
Fri 5-914:21SAN - HKG
2 stops30h 19mAsiana Airlines
Deal found 1-7HK$7,983
Sun 7-900:45HKG - SAN
2 stops37h 06mDelta
Wed 29-1006:15SAN - HKG
2 stops38h 05mDelta
Deal found 30-6HK$9,427

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 1 July 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

11:20-21:57

2 stops25h 37m

San Diego

Wed 29-10

18:29-18:30

2 stops33h 01m

HK$6,523

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 26-10

11:15-08:38

2 stops36h 23m

San Diego

Mon 1-12

16:00-11:50

2 stops27h 50m

HK$6,931

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 26-10

19:25-12:03

1 stop31h 38m

San Diego

Mon 1-12

18:10-18:40

1 stop32h 30m

HK$7,284

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 17-10

18:00-23:41

2 stops20h 41m

San Diego

Wed 19-11

18:10-18:40

1 stop32h 30m

HK$7,363

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 7-9

00:45-22:51

2 stops37h 06m

San Diego

Wed 29-10

06:15-11:20

2 stops38h 05m

HK$9,427

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 8-9

11:15-12:52

1 stop16h 37m

San Diego

Wed 29-10

13:10-05:45

1 stop25h 35m

HK$10,880

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 19-7

20:35-16:18

3 stops58h 43m

HK$4,937

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 14-8

18:00-21:53

1 stop18h 53m

HK$5,110

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 13-8

00:45-23:42

2 stops37h 57m

HK$6,083

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 18-7

01:25-21:00

2 stops34h 35m

HK$7,080

Flights are sorted by cheapest return flights first.

Deals found on 1-7

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 1 July 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.

How much does it cost for a return flight from Hong Kong to San Diego?

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 1 July 2025.
Get a feel of what it's like to fly with 星宇航空, EVA Air, andDelta from Hong Kong to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
9.1
Wonderful

Entertainment

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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

Entertainment

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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

Entertainment

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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.
8.0
Very Good
星宇航空
9.1
Wonderful

Entertainment

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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

Entertainment

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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

Entertainment

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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$6,931 and HK$7,284, respectively. 星宇航空 is 43% 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 Air Canada, with whom users have recently found tickets for as low as HK$5,110. However, be on the lookout for offers from Delta and Qatar Airways, 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 1 July 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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestHK$3,601AverageHK$9,913FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestHK$6,301AverageHK$10,339FlexibilityNo 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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