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$425+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SAN
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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1. Tell us where you want to go

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Cheap 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 December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/7. 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.
Tue 12/2310:30 pmHKG - SAN
1 stop17h 45mUnited Airlines
Mon 1/1912:49 pmSAN - HKG
2 stops26h 11mUnited Airlines
Deal found 12/7$903
This Trip.com deal was found by Cheapflights users on 12/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:15 amHKG - SAN
2 stops28h 36mMultiple Airlines
Tue 1/206:15 amSAN - HKG
2 stops31h 30mMultiple Airlines
Deal found 12/7$963
This Gotogate deal was found by Cheapflights users on 12/7. 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.
Mon 12/228:25 pmHKG - SAN
1 stop31h 38mAir Canada
Tue 1/2012:45 pmSAN - HKG
1 stop37h 55mAir Canada
Deal found 12/7$1,091
This EVA Air deal was found by Cheapflights users on 12/4. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:30 pmHKG - SAN
2 stops22h 22mMultiple Airlines
Mon 12/87:40 pmSAN - HKG
2 stops21h 20mMultiple Airlines
Deal found 12/4$1,128
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:30 pmHKG - SAN
1 stop18h 22mMultiple Airlines
Mon 1/198:26 pmSAN - HKG
2 stops52h 24mMultiple Airlines
Deal found 12/7$1,203
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:30 pmHKG - SAN
1 stop18h 22mMultiple Airlines
Wed 1/215:15 pmSAN - HKG
2 stops31h 35mMultiple Airlines
Deal found 12/7$1,219
This United Airlines deal was found by Cheapflights users on 12/4. 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.
Fri 12/510:30 pmHKG - SAN
1 stop28h 10mUnited Airlines
Mon 12/87:00 pmSAN - HKG
2 stops32h 20mUnited Airlines
Deal found 12/4$1,290
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:30 pmHKG - SAN
1 stop18h 22mMultiple Airlines
Wed 1/215:15 pmSAN - HKG
2 stops31h 35mMultiple Airlines
Deal found 12/7$1,351

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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$776
(China Airlines)

One-way from

$425
(China Airlines)

Popular in

August

Cheapest in

July

Average price

$1,399
Provider with most accurate pricing for Hong Kong Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hong Kong Intl-San Diego flights.
Search Deals
From Hong Kong Intl to San Diego
Search Deals
One-way flight from Hong Kong Intl to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 8, 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

Fri 3/27

8:05 pm-7:35 am

2 stops26h 30m

San Diego

Sat 4/11

6:45 pm-9:15 am

2 stops23h 30m

$776

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 4/16

9:45 am-5:24 pm

1 stop22h 39m

San Diego

Mon 4/20

4:08 pm-5:10 am

2 stops22h 02m

$807

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 4/16

11:45 am-7:57 pm

2 stops23h 12m

San Diego

Mon 4/20

1:48 pm-5:00 am

1 stop24h 12m

$903

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 12/23

10:35 am-2:58 pm

1 stop20h 23m

San Diego

Tue 1/20

12:49 pm-7:00 am

2 stops26h 11m

$903

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 12/23

10:35 am-3:01 pm

2 stops20h 26m

San Diego

Wed 1/21

1:00 pm-6:45 am

2 stops25h 45m

$903

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 1/30

8:05 pm-10:55 am

2 stops30h 50m

$425

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 3/31

8:10 pm-8:39 am

2 stops27h 29m

$469

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 1/19

9:50 pm-11:55 am

2 stops30h 05m

$499

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 1/19

7:45 pm-8:58 pm

2 stops41h 13m

$532

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/12

1:30 pm-8:20 pm

2 stops22h 50m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 12 results
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Compare providers for flights from Hong Kong to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hong Kong to San Diego in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hong Kong-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hong Kong-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Hong Kong-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hong Kong-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hong Kong-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, July is the cheapest month in which you can book a flight from Hong Kong to San Diego (average of $459). Flying from Hong Kong to San Diego in August is currently the most expensive (average of $1,060). 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.

How much does it cost to fly round-trip from Hong Kong to San Diego?

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?

    Airlines like Air Canada fly from Hong Kong to San Diego in about 22h 39m. The time it takes to get you to your destination can typically vary by up to . There are 7350 mi between Hong Kong and San Diego.

  • 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, July is the cheapest month in which you can book a flight from Hong Kong to San Diego (average of $459). Flying from Hong Kong to San Diego in August is currently the most expensive (average of $1,060). 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
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Coronado
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Lemon Grove
Julian
National City

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