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$425+ Cheap flights from Hong Kong 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 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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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 12, 2025.

This Booking.com deal was found by Cheapflights users on 12/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:00 amHKG - SAN
2 stops29h 37mANA
Tue 1/66:15 amSAN - HKG
2 stops31h 30mANA
Deal found 12/11$1,104
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/3011:25 amHKG - SAN
1 stop28h 12mUnited Airlines
Tue 1/612:49 pmSAN - HKG
1 stop25h 56mUnited Airlines
Deal found 12/11$1,248
This SWISS deal was found by Cheapflights users on 12/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:30 pmHKG - SAN
3 stops39h 21mSWISS
Tue 1/612:49 pmSAN - HKG
2 stops36h 56mSWISS
Deal found 12/11$1,836
This Ethiopian Air deal was found by Cheapflights users on 12/11. 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.
Tue 12/3011:55 pmHKG - SAN
3 stops56h 00mEthiopian Air
Tue 1/610:00 pmSAN - HKG
4 stops52h 05mEthiopian Air
Deal found 12/11$2,490

Find flight deals from Hong Kong to San Diego

Keep the following information in mind while searching for Hong Kong to San Diego flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$689
(flugladen.de)

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 to San Diego
Search Deals
One-way flight from Hong Kong 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 12, 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 1/25

8:25 pm-12:03 pm

1 stop31h 38m

San Diego

Sun 2/1

6:05 pm-6:40 pm

1 stop32h 35m

$689

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 1/24

8:05 pm-9:55 am

2 stops29h 50m

San Diego

Sat 1/31

5:17 pm-9:15 am

2 stops23h 58m

$692

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

Sat 1/24

8:25 pm-12:03 pm

1 stop31h 38m

San Diego

Sat 1/31

7:52 pm-6:40 pm

2 stops30h 48m

$807

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 4/16

9:45 am-12:00 pm

1 stop17h 15m

San Diego

Mon 4/20

6:25 am-5:10 am

2 stops31h 45m

$807

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 3/24

2:05 pm-8:39 am

2 stops33h 34m

$428

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 3/15

8:05 pm-10:04 am

2 stops28h 59m

$444

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 1/30

9:50 pm-8:17 pm

2 stops38h 27m

$480

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/12

6:55 pm-2:27 pm

3 stops35h 32m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 16 results
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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.

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 airport do you fly into for flights to San Diego from Hong Kong?

    For a flight from Hong Kong to San Diego, you will be flying into San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

  • How long is the flight from Hong Kong to San Diego?

    Airlines like Air Canada fly from Hong Kong to San Diego in about 31h 38m. 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
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Julian
National City

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