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$474+ Cheap flights from Hong Kong (HKG) to San Diego (SAN)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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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 August 16, 2025.

Round-trip from

$827
(SmartFares)

One-way from

$480
(Orbitz)

Popular in

August

Cheapest in

July

Average price

$1,932
From Hong Kong Intl to San Diego
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One-way flight from Hong Kong Intl to San Diego
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 16, 2025.

This SmartFares deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2811:20 amHKG - SAN
2 stops35h 21mMultiple Airlines
Sun 10/57:50 pmSAN - HKG
2 stops23h 05mMultiple Airlines
Deal found 8/14$827
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:55 pmHKG - SAN
1 stop15h 57mUnited Airlines
Sun 10/58:08 pmSAN - HKG
1 stop31h 47mUnited Airlines
Deal found 8/14$979
This eDestinos deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2712:45 amHKG - SAN
2 stops29h 40mKorean Air
Sun 10/57:29 amSAN - HKG
2 stops24h 01mKorean Air
Deal found 8/14$1,319
This Gotogate deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/271:20 amHKG - SAN
1 stop25h 15mJapan Airlines
Sun 10/51:05 pmSAN - HKG
1 stop17h 55mJapan Airlines
Deal found 8/14$2,310
This Ethiopian Air deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2712:25 amHKG - SAN
3 stops53h 36mEthiopian Air
Sun 10/510:15 pmSAN - HKG
4 stops51h 45mEthiopian Air
Deal found 8/14$2,324

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 16, 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

Depart

Return

Price

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 9/28

11:20 am-7:41 am

2 stops35h 21m

San Diego

Sun 10/5

7:50 pm-9:55 am

2 stops23h 05m

$827

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 9/28

6:55 pm-7:52 pm

1 stop15h 57m

San Diego

Sun 10/5

8:08 pm-6:55 pm

1 stop31h 47m

$979

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 9/27

12:45 am-3:25 pm

2 stops29h 40m

San Diego

Sun 10/5

7:29 am-10:30 pm

2 stops24h 01m

$1,319

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 9/27

1:20 am-11:35 am

1 stop25h 15m

San Diego

Sun 10/5

1:05 pm-10:00 pm

1 stop17h 55m

$2,310

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 9/27

12:25 am-3:01 pm

3 stops53h 36m

San Diego

Sun 10/5

10:15 pm-5:00 pm

4 stops51h 45m

$2,324

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 10/24

8:10 pm-10:32 am

2 stops29h 22m

$480

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 10/23

1:25 am-9:29 pm

2 stops35h 04m

$698

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 10/24

6:00 pm-3:51 pm

1 stop36h 51m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

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 round-trip 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 month to book a flight from Hong Kong to San Diego?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to San Diego (average of $286). Flying from Hong Kong to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from Hong Kong to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Hong Kong to San Diego (average of $286). Flying from Hong Kong to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
National City
Lemon Grove
Imperial Beach
Alpine

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