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

A quick flight from Hong Kong to San Diego can take about 17h 49m. United Airlines provides one of the quickest options available for as low as HK$8,636. Airlines will cover a distance of 11829 km.

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.

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).

What is the cheapest time of day to fly from HK to SAN?

When flying from Hong Kong to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

San Diego (SAN), located 4.2 km from the city centre, is the airport you fly into when you book flights from Hong Kong to 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 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.

HK$3,946+ Cheap Flights from Hong Kong to San Diego

Cheap flight deals from Hong Kong to San Diego

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 11 November 2026.

Mon 9-1111:25 -

2 stops20h 07m

Sun 22-1119:41 -

1 stop31h 39m

Deal found 8-11HK$6,534

Wed 11-1122:30 -

1 stop29h 27m

Sun 15-1116:45 -

1 stop34h 30m

Deal found 10-11HK$6,589

Sun 8-1100:55 -

2 stops32h 50m

Sun 22-1115:53 -

2 stops39h 17m

Deal found 8-11HK$6,644

Fri 20-1111:25 -

2 stops20h 07m

Tue 24-1106:15 -

2 stops21h 00m

Deal found 6-11HK$6,997

Wed 11-1118:10 -

2 stops37h 08m

Sun 15-1106:15 -

2 stops37h 05m

Deal found 10-11HK$7,068

Wed 23-1220:05 -

2 stops20h 10m

Wed 30-1219:20 -

2 stops21h 55m

Deal found 8-11HK$7,836

Thu 24-1219:40 -

2 stops28h 02m

Thu 31-1215:39 -

2 stops25h 21m

Deal found 8-11HK$8,103

Find flight deals from Hong Kong to San Diego

Round-trip from	HK$6,989
One-way from	HK$3,946

United Airlines
20-11-24-11
2 total stops
41h 20m total
Hong Kong to San Diego

Search Deals

19-1-31-12
3 total stops
45h 58m total
Hong Kong to San Diego

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Hong Kong to San Diego that are best for you.

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Route

Departure

Return

Price

Cheapest return flight

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 14-1

14:55-20:14

2 stops45h 19m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,581

Fastest return journey

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Sat 16-1

10:45-14:42

1 stop19h 57m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,950

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 14-1

10:45-15:55

1 stop21h 10m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$5,091

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 14-1

22:45-11:15

1 stop28h 30m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$5,860

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Wed 13-1

22:45-11:15

1 stop28h 30m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$5,930

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 14-1

10:45-14:42

1 stop19h 57m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$5,993

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Wed 23-12

20:05-00:15

2 stops20h 10m

San Diego

Wed 30-12

19:20-09:15

2 stops21h 55m

HK$7,836

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 24-12

19:40-07:42

2 stops28h 02m

San Diego

Thu 31-12

15:39-09:00

2 stops25h 21m

HK$8,103

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Sun 10-1

10:45-14:42

1 stop19h 57m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$8,189

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Tue 12-1

10:35-22:41

1 stop28h 06m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$8,213

Flights are sorted by cheapest return flights first.

Deals found on 10-11

Showing 1-10 of 15 resultsSorted by cheapest first

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.

HKG-SAN

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

HK0-SAN

HKG-SAN

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to San Diego from Hong Kong?
San Diego (SAN), located 4.2 km from the city centre, is the airport you fly into when you book flights from Hong Kong to San Diego.
How long is the flight from Hong Kong to San Diego?
A quick flight from Hong Kong to San Diego can take about 17h 49m. United Airlines provides one of the quickest options available for as low as HK$8,636. Airlines will cover a distance of 11829 km.
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.

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to San Diego?

Cheapflights simply makes it quick and affordable to book flights from Hong Kong to San Diego by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Hong Kong to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to San Diego become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Diego from Hong Kong today and book when prices fit your budget.

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Cheap flights from Hong Kong to San Diego from HK$3,946

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19-1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Hong Kong to San Diego

Cheapest flights from Hong Kong to San DiegoExplore 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 11 November 2026.

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 11 November 2026.

Best flights from Hong Kong to San DiegoDiscover carefully curated flight deals from Hong Kong to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Discover carefully curated flight deals from Hong Kong to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Last-minute flights from Hong Kong to San DiegoDiscover last-minute flight deals from Hong Kong to San Diego. Data last updated 11 November 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to San Diego. Data last updated 11 November 2026 and is based on user searches.

One-way flights from Hong Kong to San DiegoSearch for one-way flight options from Hong Kong to San Diego. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.

Search for one-way flight options from Hong Kong to San Diego. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.

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Best time to book a flight from Hong Kong to San Diego

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Related info for your journey

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

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

Can I find deals for flights from Hong Kong to San Diego that include hotel bookings?

How can I find direct flights from Hong Kong to San Diego?

Can I find deals for business class flights from Hong Kong to San Diego?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to San Diego

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Complete your trip

Complete your trip to San Diego by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

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Search flights from Hong Kong to San Diego by cabin class

Find flights from Hong Kong to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hong Kong and San Diego flights

Browse other Hong Kong and San Diego flight options. Last updated on 11 November 2026.

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How does Cheapflights help users find flights from Hong Kong to San Diego?

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Can Cheapflights notify me if prices for flights from Hong Kong to San Diego become cheaper?

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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 11 November 2026.

Best flights from Hong Kong to San Diego
Discover carefully curated flight deals from Hong Kong to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Last-minute flights from Hong Kong to San Diego
Discover last-minute flight deals from Hong Kong to San Diego. Data last updated 11 November 2026 and is based on user searches.

One-way flights from Hong Kong to San Diego
Search for one-way flight options from Hong Kong to San Diego. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.