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

Currently priced at HK$6,523, 星宇航空 will fly you from Hong Kong to San Diego and back. In addition to 星宇航空, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from EVA Air and Air Canada - these airlines can fly you to your destination from HK$6,696 and HK$6,978, respectively. 星宇航空 is 41% 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

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

Sunday flights are found to be more expensive to fly from Hong Kong to San Diego. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

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

The best pricing can be found in the month of September. Prices to San Diego from Hong Kong average HK$11,134. You can even find prices in September for less than HK$11,134, as users have found deals to San Diego from as low as HK$8,760. The month of June appears to be one of the more expensive times to travel to San Diego from Hong Kong. Flying in the targeted month can save you up to 45%.

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$5,683+ Flights from Hong Kong to San Diego

Cheap flight deals from Hong Kong to San Diego

Round-trip from	HK$6,523
One-way from	HK$5,683
Popular in	June
Cheapest in	September
Average price	HK$16,241

星宇航空
8-9-29-10
4 total stops
59h 38m total
Hong Kong to San Diego

Search Deals

30-7
3 total stops
59h 12m total
Hong Kong to San Diego

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (HK$15,659 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (HK$4,012 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find 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 17 June 2025.

Mon 8-911:20HKG - SAN

2 stops25h 33m星宇航空

Wed 29-1017:25SAN - HKG

2 stops34h 05m星宇航空

Deal found 17-6HK$6,523

Sun 26-1015:30HKG - SAN

2 stops19h 37mEVA Air

Mon 1-1214:40SAN - HKG

2 stops27h 25mEVA Air

Deal found 17-6HK$6,696

Mon 8-918:00HKG - SAN

1 stop32h 47mAir Canada

Wed 29-1020:10SAN - HKG

1 stop30h 30mAir Canada

Deal found 15-6HK$6,978

Fri 17-1018:00HKG - SAN

2 stops21h 15mMultiple Airlines

Wed 19-1120:10SAN - HKG

1 stop30h 30mMultiple Airlines

Deal found 15-6HK$7,057

Thu 16-1000:30HKG - SAN

2 stops38h 11mAsiana Airlines

Wed 19-1106:15SAN - HKG

2 stops24h 15mAsiana Airlines

Deal found 16-6HK$8,289

Sun 7-900:45HKG - SAN

2 stops36h 54mDelta

Wed 29-1013:35SAN - HKG

2 stops42h 35mDelta

Deal found 17-6HK$9,427

Thu 31-700:45HKG - SAN

2 stops29h 34mKorean Air

Fri 8-819:35SAN - HKG

2 stops24h 05mKorean Air

Deal found 17-6HK$9,890

Sun 22-618:55HKG - SAN

2 stops20h 20mUnited Airlines

Sat 12-717:50SAN - HKG

1 stop20h 10mUnited Airlines

Deal found 16-6HK$10,479

Sun 7-900:25HKG - SAN

3 stops53h 38mEthiopian Air

Wed 29-1022:00SAN - HKG

3 stops49h 25mEthiopian Air

Deal found 16-6HK$13,478

Thu 16-1001:20HKG - SAN

2 stops29h 39mJapan Airlines

Wed 19-1111:40SAN - HKG

1 stop19h 05mJapan Airlines

Deal found 15-6HK$13,901

Tue 29-700:40HKG - SAN

2 stops32h 40mEmirates

Wed 6-810:43SAN - HKG

3 stops40h 22mEmirates

Deal found 15-6HK$18,093

Sat 25-1000:50HKG - SAN

1 stop30h 38mCathay Pacific

Mon 1-1216:56SAN - HKG

1 stop20h 09mCathay Pacific

Deal found 15-6HK$18,211

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 17 June 2025.

Mon 8-911:20HKG - SAN

2 stops25h 33m星宇航空

Wed 29-1017:25SAN - HKG

2 stops34h 05m星宇航空

Deal found 17-6HK$6,523

Sun 26-1015:30HKG - SAN

2 stops19h 37mEVA Air

Mon 1-1214:40SAN - HKG

2 stops27h 25mEVA Air

Deal found 17-6HK$6,696

Mon 8-918:00HKG - SAN

1 stop32h 47mAir Canada

Wed 29-1020:10SAN - HKG

1 stop30h 30mAir Canada

Deal found 15-6HK$6,978

Fri 17-1018:00HKG - SAN

2 stops21h 15mMultiple Airlines

Wed 19-1120:10SAN - HKG

1 stop30h 30mMultiple Airlines

Deal found 15-6HK$7,057

Thu 16-1000:30HKG - SAN

2 stops38h 11mAsiana Airlines

Wed 19-1106:15SAN - HKG

2 stops24h 15mAsiana Airlines

Deal found 16-6HK$8,289

Sun 7-900:45HKG - SAN

2 stops36h 54mDelta

Wed 29-1013:35SAN - HKG

2 stops42h 35mDelta

Deal found 17-6HK$9,427

Thu 31-700:45HKG - SAN

2 stops29h 34mKorean Air

Fri 8-819:35SAN - HKG

2 stops24h 05mKorean Air

Deal found 17-6HK$9,890

Fri 29-818:55HKG - SAN

1 stop19h 49mUnited Airlines

Sun 5-1016:07SAN - HKG

2 stops22h 33mUnited Airlines

Deal found 17-6HK$12,646

Sun 7-900:25HKG - SAN

3 stops53h 38mEthiopian Air

Wed 29-1022:00SAN - HKG

3 stops49h 25mEthiopian Air

Deal found 16-6HK$13,478

Thu 16-1001:20HKG - SAN

2 stops29h 39mJapan Airlines

Wed 19-1111:40SAN - HKG

1 stop19h 05mJapan Airlines

Deal found 15-6HK$13,901

Tue 29-700:40HKG - SAN

2 stops32h 40mEmirates

Wed 6-810:43SAN - HKG

3 stops40h 22mEmirates

Deal found 15-6HK$18,093

Sat 25-1000:50HKG - SAN

1 stop30h 38mCathay Pacific

Mon 1-1216:56SAN - HKG

1 stop20h 09mCathay Pacific

Deal found 15-6HK$18,211

Last-minute flights from Hong Kong to San Diego
Discover last-minute flight deals from Hong Kong to San Diego. Data last updated 17 June 2025 and is based on user searches.

Sat 21-600:30HKG - SAN

2 stops34h 17mAsiana Airlines

Sat 12-710:49SAN - HKG

2 stops33h 51mAsiana Airlines

Deal found 16-6HK$9,937

Sat 21-600:45HKG - SAN

2 stops32h 58mDelta

Sat 12-707:30SAN - HKG

2 stops24h 00mDelta

Deal found 16-6HK$10,408

Sun 22-620:10HKG - SAN

2 stops41h 45m星宇航空

Sat 12-719:05SAN - HKG

2 stops23h 50m星宇航空

Deal found 16-6HK$7,033

Sun 22-621:10HKG - SAN

2 stops49h 32mMultiple Airlines

Sat 12-713:35SAN - HKG

1 stop17h 25mMultiple Airlines

Deal found 15-6HK$8,768

Sun 22-618:00HKG - SAN

1 stop18h 53mAir Canada

Sat 12-706:15SAN - HKG

1 stop18h 50mAir Canada

Deal found 16-6HK$9,160

Sun 22-618:55HKG - SAN

2 stops20h 20mUnited Airlines

Sat 12-717:50SAN - HKG

1 stop20h 10mUnited Airlines

Deal found 16-6HK$10,479

Sun 22-621:30HKG - SAN

3 stops35h 55mEmirates

Sat 12-710:43SAN - HKG

3 stops40h 22mEmirates

Deal found 16-6HK$22,183

Tue 8-701:15HKG - SAN

3 stops36h 51mMultiple Airlines

Fri 18-717:13SAN - HKG

2 stops31h 52mMultiple Airlines

Deal found 16-6HK$8,462

Tue 8-700:25HKG - SAN

3 stops53h 29mEthiopian Air

Fri 18-721:50SAN - HKG

4 stops51h 55mEthiopian Air

Deal found 16-6HK$17,606

Tue 29-700:40HKG - SAN

2 stops32h 40mEmirates

Wed 6-810:43SAN - HKG

3 stops40h 22mEmirates

Deal found 15-6HK$18,093

Wed 30-718:00HKG - SAN

1 stop18h 53mAir Canada

Wed 6-806:15SAN - HKG

1 stop18h 50mAir Canada

Deal found 15-6HK$8,273

Thu 31-700:45HKG - SAN

2 stops29h 34mKorean Air

Fri 8-819:35SAN - HKG

2 stops24h 05mKorean Air

Deal found 17-6HK$9,890

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 17 June 2025.

Wed 30-700:40HKG - SAN

3 stops59h 12mMultiple Airlines

Deal found 16-6HK$5,683

Wed 30-700:45HKG - SAN

2 stops32h 33mKorean Air

Deal found 16-6HK$6,044

Thu 31-711:15HKG - SAN

1 stop36h 23mUnited Airlines

Deal found 16-6HK$6,860

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Departure

Return

Price

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 8-9

11:20-21:53

2 stops25h 33m

San Diego

Wed 29-10

17:25-18:30

2 stops34h 05m

HK$6,523

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 26-10

15:30-20:07

2 stops19h 37m

San Diego

Mon 1-12

14:40-10:05

2 stops27h 25m

HK$6,696

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 8-9

18:00-11:47

1 stop32h 47m

San Diego

Wed 29-10

20:10-17:40

1 stop30h 30m

HK$6,978

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 17-10

18:00-00:15

2 stops21h 15m

San Diego

Wed 19-11

20:10-18:40

1 stop30h 30m

HK$7,057

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 16-10

00:30-23:41

2 stops38h 11m

San Diego

Wed 19-11

06:15-22:30

2 stops24h 15m

HK$8,289

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 7-9

00:45-22:39

2 stops36h 54m

San Diego

Wed 29-10

13:35-23:10

2 stops42h 35m

HK$9,427

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 31-7

00:45-15:19

2 stops29h 34m

San Diego

Fri 8-8

19:35-10:40

2 stops24h 05m

HK$9,890

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 29-8

18:55-23:44

1 stop19h 49m

San Diego

Sun 5-10

16:07-05:40

2 stops22h 33m

HK$12,646

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 7-9

00:25-15:03

3 stops53h 38m

San Diego

Wed 29-10

22:00-14:25

3 stops49h 25m

HK$13,478

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 16-10

01:20-15:59

2 stops29h 39m

San Diego

Wed 19-11

11:40-22:45

1 stop19h 05m

HK$13,901

Flights are sorted by cheapest return flights first.

Deals found on 16-6

Showing 1-10 of 15 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 HKG 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.

Rainfall in San Diego by month

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.

Temperature in San Diego by month

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).

Reviews of airlines servicing San Diego

Read through reviews of airlines operating flights from Hong Kong to San Diego, such as 星宇航空, EVA Air and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

星宇航空

9.1

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

星宇航空

9.1

Wonderful

星宇航空

9.1

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

EVA Air

8.4

Very Good

1,204 reviews

星宇航空

9.1

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Korean Air

8.4

Very Good

1,090 reviews

星宇航空

9.1

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Japan Airlines

8.3

Very Good

1,494 reviews

星宇航空

9.1

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Asiana Airlines

8.2

Very Good

441 reviews

星宇航空

9.1

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

What are the cheapest airlines flying from Hong Kong to San Diego round-trip?
Currently priced at HK$6,523, 星宇航空 will fly you from Hong Kong to San Diego and back. In addition to 星宇航空, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from EVA Air and Air Canada - these airlines can fly you to your destination from HK$6,696 and HK$6,978, respectively. 星宇航空 is 41% 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

Fly from Hong Kong to San Diego on these airlines

United Airlines flights from Hong Kong Intl to San Diego

Alternative routes for Hong Kong to San Diego

Hong Kong to San Francisco flights

Hong Kong to Los Angeles flights

Hong Kong to Ontario flights

Hong Kong to San Jose flights

Hong Kong to Burbank flights

Hong Kong to Santa Ana flights

Hong Kong to Las Vegas flights

Hong Kong to Long Beach flights

Hong Kong to Oakland flights

Hong Kong to Santa Rosa flights

Hong Kong to Monterey flights

Top 2 airlines flying from Hong Kong to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestHK$3,601	AverageHK$9,913	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestHK$6,301	AverageHK$10,338	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 makes it easy to find Hong Kong to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Hong Kong to San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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?

Yes! Start tracking prices for Hong Kong to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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$5,683

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 30-7. 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

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 17 June 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 17 June 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 HKG 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 17 June 2025.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Read through reviews of airlines operating flights from Hong Kong to San Diego, such as 星宇航空, EVA Air and Korean Air. Reviews also offer insight into each airline's 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 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.

Fly from Hong Kong to San Diego on these airlines

Choose from the following airlines for your flight from Hong Kong to San Diego. Flights are based on user searches made on Cheapflights and were last updated on 17 June 2025.

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 17 June 2025.