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

A quick flight from Hong Kong to San Diego can take about 20h 26m. United Airlines provides one of the quickest options available for as low as HK$6,949. Airlines will cover a distance of 11829 km. Find deals

What are the cheapest airlines flying from Hong Kong to San Diego round-trip?

Currently priced at HK$3,570, Air Canada will fly you from Hong Kong to San Diego and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as HK$6,246. Air Canada is 67% cheaper than the average price of flights available within the next 90 days to this destination. Find deals

What is the cheapest day to fly from Hong Kong to San Diego?

Travellers seeking maximum savings on their Hong Kong to San Diego flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

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. Find deals

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 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$3,346+ Cheap Flights from Hong Kong to San Diego

Cheap flight deals from Hong Kong to San Diego

Round-trip from	HK$5,976
One-way from	HK$3,346
Popular in	August
Cheapest in	July
Average price	HK$12,085

9-3-13-3
4 total stops
50h 54m total
Hong Kong to San Diego

Search Deals

9-11
2 total stops
37h 07m total
Hong Kong to San Diego

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (HK$4,550 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (HK$3,449 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Hong Kong to San Diego

Enter your travel dates to find the best prices.

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 1 October 2025.

Sat 15-1115:30HKG - SAN

2 stops21h 59mMultiple Airlines

Sat 22-1119:50SAN - HKG

2 stops22h 20mMultiple Airlines

Deal found 1-10HK$6,933

Tue 23-1222:45HKG - SAN

1 stop16h 52mUnited Airlines

Thu 8-106:15SAN - HKG

1 stop21h 05mUnited Airlines

Deal found 30-9HK$6,949

Tue 23-1211:25HKG - SAN

2 stops19h 33mUnited Airlines

Sat 10-106:15SAN - HKG

1 stop21h 05mUnited Airlines

Deal found 30-9HK$7,151

Sat 15-1110:35HKG - SAN

1 stop16h 06mUnited Airlines

Sat 22-1117:55SAN - HKG

1 stop33h 25mUnited Airlines

Deal found 1-10HK$7,431

Wed 17-1200:40HKG - SAN

2 stops25h 50mAsiana Airlines

Mon 5-111:12SAN - HKG

2 stops43h 28mAsiana Airlines

Deal found 30-9HK$7,821

Wed 17-1200:40HKG - SAN

2 stops25h 50mAsiana Airlines

Thu 8-119:52SAN - HKG

2 stops34h 48mAsiana Airlines

Deal found 30-9HK$8,070

Fri 19-1211:15HKG - SAN

2 stops28h 36mMultiple Airlines

Thu 8-111:40SAN - HKG

1 stop19h 15mMultiple Airlines

Deal found 30-9HK$8,155

Tue 23-1217:35HKG - SAN

2 stops37h 58mChina Airlines

Thu 8-119:30SAN - HKG

2 stops29h 05mChina Airlines

Deal found 30-9HK$8,365

Mon 22-1219:45HKG - SAN

2 stops41h 44mMultiple Airlines

Tue 6-116:11SAN - HKG

1 stop22h 04mMultiple Airlines

Deal found 30-9HK$8,536

Mon 22-1219:45HKG - SAN

2 stops41h 44mMultiple Airlines

Wed 7-114:51SAN - HKG

1 stop22h 09mMultiple Airlines

Deal found 30-9HK$8,583

Thu 18-1213:10HKG - SAN

2 stops37h 20mAsiana Airlines

Tue 6-106:15SAN - HKG

2 stops48h 25mAsiana Airlines

Deal found 30-9HK$8,770

Sat 20-1219:40HKG - SAN

2 stops19h 25mMultiple Airlines

Thu 8-107:15SAN - HKG

2 stops21h 35mMultiple Airlines

Deal found 30-9HK$8,824

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 1 October 2025.

Fri 27-315:30HKG - SAN

2 stops20h 55mMultiple Airlines

Sat 11-418:45SAN - HKG

2 stops23h 05mMultiple Airlines

Deal found 1-10HK$6,941

Wed 24-1210:35HKG - SAN

2 stops20h 26mUnited Airlines

Tue 6-106:15SAN - HKG

1 stop21h 00mUnited Airlines

Deal found 30-9HK$6,949

Fri 20-211:15HKG - SAN

2 stops28h 52m星宇航空

Tue 24-216:00SAN - HKG

2 stops26h 10m星宇航空

Deal found 30-9HK$7,097

Fri 20-220:25HKG - SAN

1 stop31h 38mAir Canada

Tue 24-216:00SAN - HKG

2 stops34h 40mAir Canada

Deal found 30-9HK$7,190

Wed 24-1222:30HKG - SAN

1 stop17h 45mUnited Airlines

Mon 5-117:40SAN - HKG

1 stop21h 05mUnited Airlines

Deal found 30-9HK$6,949

Tue 23-1211:25HKG - SAN

2 stops23h 18mUnited Airlines

Tue 6-107:45SAN - HKG

1 stop19h 35mUnited Airlines

Deal found 30-9HK$6,949

Tue 23-1211:25HKG - SAN

2 stops19h 33mUnited Airlines

Wed 7-118:00SAN - HKG

1 stop20h 45mUnited Airlines

Deal found 30-9HK$6,949

Wed 24-1210:35HKG - SAN

1 stop16h 08mUnited Airlines

Sat 10-106:15SAN - HKG

1 stop21h 00mUnited Airlines

Deal found 30-9HK$7,151

Tue 23-1222:30HKG - SAN

1 stop17h 45mUnited Airlines

Sat 10-106:15SAN - HKG

1 stop21h 00mUnited Airlines

Deal found 30-9HK$7,151

Last-minute flights from Hong Kong to San Diego
Discover last-minute flight deals from Hong Kong to San Diego. Data last updated 1 October 2025 and is based on user searches.

Fri 14-1100:40HKG - SAN

2 stops25h 41mAsiana Airlines

Sat 22-1111:02SAN - HKG

2 stops43h 38mAsiana Airlines

Deal found 1-10HK$9,595

Fri 14-1100:35HKG - SAN

2 stops37h 18mEmirates

Sat 22-1110:51SAN - HKG

3 stops38h 49mEmirates

Deal found 1-10HK$22,551

Sat 15-1115:30HKG - SAN

2 stops21h 59mMultiple Airlines

Sat 22-1119:50SAN - HKG

2 stops22h 20mMultiple Airlines

Deal found 1-10HK$6,933

Sat 15-1110:35HKG - SAN

1 stop16h 06mUnited Airlines

Sat 22-1117:55SAN - HKG

1 stop33h 25mUnited Airlines

Deal found 1-10HK$7,431

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 1 October 2025.

Sun 9-1119:45HKG - SAN

2 stops37h 07mMultiple Airlines

Deal found 29-9HK$3,346

Mon 3-1119:45HKG - SAN

2 stops28h 55mMultiple Airlines

Deal found 29-9HK$3,354

Fri 7-1119:45HKG - SAN

2 stops41h 30mMultiple Airlines

Deal found 29-9HK$3,369

Mon 8-1211:20HKG - SAN

2 stops28h 10mMultiple Airlines

Deal found 1-10HK$3,486

Thu 6-1109:35HKG - SAN

2 stops23h 22mMultiple Airlines

Deal found 29-9HK$3,502

Sat 8-1119:45HKG - SAN

2 stops28h 55mMultiple Airlines

Deal found 29-9HK$3,525

Wed 5-1113:40HKG - SAN

3 stops34h 44mMultiple Airlines

Deal found 29-9HK$3,580

Wed 15-1020:10HKG - SAN

2 stops30h 17mMultiple Airlines

Deal found 1-10HK$3,704

Fri 17-1021:45HKG - SAN

2 stops29h 30mMultiple Airlines

Deal found 1-10HK$3,727

Mon 3-1102:00HKG - SAN

3 stops30h 20mMultiple Airlines

Deal found 29-9HK$3,735

Fri 30-113:30HKG - SAN

2 stops22h 52mMultiple Airlines

Deal found 1-10HK$3,790

Fly from

Fly to

Route

Departure

Return

Price

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 27-3

15:30-21:25

2 stops20h 55m

San Diego

Sat 11-4

18:45-08:50

2 stops23h 05m

HK$6,941

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 24-12

10:35-15:01

2 stops20h 26m

San Diego

Tue 6-1

06:15-19:15

1 stop21h 00m

HK$6,949

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 24-12

22:30-00:15

1 stop17h 45m

San Diego

Mon 5-1

17:40-06:45

1 stop21h 05m

HK$6,949

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 23-12

11:25-18:43

2 stops23h 18m

San Diego

Tue 6-1

07:45-19:20

1 stop19h 35m

HK$6,949

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 23-12

11:25-14:58

2 stops19h 33m

San Diego

Wed 7-1

18:00-06:45

1 stop20h 45m

HK$6,949

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 20-2

11:15-00:07

2 stops28h 52m

San Diego

Tue 24-2

16:00-10:10

2 stops26h 10m

HK$7,097

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 24-12

10:35-10:43

1 stop16h 08m

San Diego

Sat 10-1

06:15-19:15

1 stop21h 00m

HK$7,151

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Tue 23-12

22:30-00:15

1 stop17h 45m

San Diego

Sat 10-1

06:15-19:15

1 stop21h 00m

HK$7,151

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 20-2

20:25-12:03

1 stop31h 38m

San Diego

Tue 24-2

16:00-18:40

2 stops34h 40m

HK$7,190

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 9-11

19:45-16:52

2 stops37h 07m

HK$3,346

Flights are sorted by cheapest return flights first.

Deals found on 29-9

Showing 1-10 of 18 results

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 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

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 fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 17% versus a flight in the afternoon.

Reviews of airlines servicing San Diego

See what other customers who have flown with United Airlines and Air Canada from Hong Kong to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

8,929 reviews

United Airlines

7.4

Good

8,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Air Canada

7.1

Good

10,223 reviews

United Airlines

7.4

Good

8,929 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 20h 26m. United Airlines provides one of the quickest options available for as low as HK$6,949. Airlines will cover a distance of 11829 km.
What are the cheapest airlines flying from Hong Kong to San Diego round-trip?
Currently priced at HK$3,570, Air Canada will fly you from Hong Kong to San Diego and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as HK$6,246. Air Canada is 67% cheaper than the average price of flights available within the next 90 days to this destination.
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Hong Kong to San Diego

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Top 2 airlines flying from Hong Kong to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestHK$3,570	AverageHK$9,828	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestHK$6,246	AverageHK$10,278	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Hong Kong to San Diego from HK$3,346

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 9-11. 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

Keep the following information in mind while searching for Hong Kong to San Diego flight deals. Data was last updated 1 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 1 October 2025.

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 1 October 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to San Diego

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

Find hourly flight availability from Hong Kong to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 October 2025.

Reviews of airlines servicing San Diego

See what other customers who have flown with United Airlines and Air Canada from Hong Kong to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

What are the cheapest airlines flying from Hong Kong to San Diego round-trip?

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Hong Kong to San Diego

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

Book with Flexibility

Travel Smart

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 1 October 2025.