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

A quick flight from Hong Kong to San Diego can take about 16h 49m. United Airlines provides one of the quickest options available for as low as HK$6,992. 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 HKG 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.

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$3,618+ 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 9 October 2026.

Fri 30-1022:30 -

1 stop16h 49m

Tue 3-1114:30 -

2 stops24h 15m

Deal found 8-10HK$6,992

Thu 19-1100:55 -

2 stops32h 50m

Fri 27-1106:15 -

1 stop33h 25m

Deal found 6-10HK$7,385

Fri 20-1111:25 -

2 stops18h 22m

Fri 27-1116:01 -

2 stops22h 59m

Deal found 6-10HK$7,392

Sat 21-1100:55 -

2 stops33h 09m

Sun 29-1118:47 -

2 stops36h 23m

Deal found 8-10HK$7,439

Mon 21-1221:50 -

2 stops32h 51m

Sun 10-113:04 -

2 stops29h 06m

Deal found 8-10HK$7,863

Fri 20-1113:40 -

2 stops21h 31m

Fri 27-1106:30 -

3 stops42h 50m

Deal found 6-10HK$7,910

Sun 27-1219:40 -

2 stops18h 58m

Sun 10-119:35 -

2 stops21h 25m

Deal found 8-10HK$8,522

Sun 27-1210:45 -

1 stop28h 12m

Sun 10-106:50 -

2 stops24h 20m

Deal found 8-10HK$9,291

Sun 22-1119:05 -

3 stops30h 05m

Sun 29-1120:11 -

3 stops34h 59m

Deal found 8-10HK$10,217

Mon 21-1210:45 -

1 stop21h 10m

Sun 10-116:45 -

2 stops38h 25m

Deal found 4-10HK$10,955

Find flight deals from Hong Kong to San Diego

Round-trip from	HK$6,992
One-way from	HK$3,618

United Airlines
30-10-3-11
3 total stops
41h 04m total
Hong Kong to San Diego

Search Deals

11-12-31-12
2 total stops
39h 06m total
Hong Kong to San Diego

Search Deals

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 26-11

22:55-07:55

3 stops49h 00m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,316

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 10-12

22:30-20:37

1 stop38h 07m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,395

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Thu 26-11

22:45-17:17

1 stop34h 32m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,395

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Tue 1-12

10:35-12:27

1 stop17h 52m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,426

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Sun 22-11

19:45-23:44

2 stops43h 59m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,465

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Tue 30-3

11:20-22:56

2 stops26h 36m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,661

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Sun 20-12

19:10-17:27

3 stops38h 17m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,842

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Fri 11-12

10:45-22:56

1 stop28h 11m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,913

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Fri 6-11

10:45-19:14

1 stop24h 29m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,913

Hong KongSan Diego

HKG Hong Kong Intl - SAN San Diego

HKGSAN

Hong Kong Intl

Sun 22-11

10:45-15:31

1 stop20h 46m

San Diego

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,913

Flights are sorted by cheapest return flights first.

Deals found on 9-10

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.

Related info for your journey

How long is the flight from Hong Kong to San Diego?
A quick flight from Hong Kong to San Diego can take about 16h 49m. United Airlines provides one of the quickest options available for as low as HK$6,992. 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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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?

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Cheap flights from Hong Kong to San Diego from HK$3,618

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11-12. 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 9 October 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 9 October 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 9 October 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 9 October 2026.

Last-minute flights from Hong Kong to San DiegoDiscover last-minute flight deals from Hong Kong to San Diego. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to San Diego. Data last updated 9 October 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 9 October 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 9 October 2026.

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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.

Related info for your journey

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

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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

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

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

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

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 9 October 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 9 October 2026.

Last-minute flights from Hong Kong to San Diego
Discover last-minute flight deals from Hong Kong to San Diego. Data last updated 9 October 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 9 October 2026.