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

Currently priced at HK$6,531, 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 Air Canada and Delta - these airlines can fly you to your destination from HK$7,701 and HK$10,307, respectively. 星宇航空 is 40% cheaper than the average price of flights available within the next 90 days to this destination. Find deals

What are the cheapest airlines to fly from Hong Kong to San Diego one-way?

The cheapest airline one-way is 星宇航空, with whom users have recently found tickets for as low as HK$3,996. However, be on the lookout for offers from Air Canada and China Airlines, as they are both options that can get you from Hong Kong to San Diego for a low price. 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 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 July. Prices to San Diego from Hong Kong average HK$11,028. You can even find prices in July for less than HK$11,028, as users have found deals to San Diego from as low as HK$3,603. The month of August 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 37%.

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$3,760+ Flights from Hong Kong to San Diego

Cheap flight deals from Hong Kong to San Diego

Round-trip from	HK$6,531
One-way from	HK$3,760
Popular in	August
Cheapest in	July
Average price	HK$8,313

星宇航空
8-9-29-10
4 total stops
61h 24m total
Hong Kong to San Diego

Search Deals

20-11
2 total stops
18h 54m total
Hong Kong to San Diego

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease (HK$3,259 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 16 July 2025.

Mon 8-911:20HKG - SAN

2 stops25h 37m星宇航空

Wed 29-1015:43SAN - HKG

2 stops35h 47m星宇航空

Deal found 14-7HK$6,531

Sun 26-1019:40HKG - SAN

2 stops19h 00mMultiple Airlines

Mon 1-1217:25SAN - HKG

2 stops23h 35mMultiple Airlines

Deal found 14-7HK$7,222

Sun 26-1019:25HKG - SAN

1 stop31h 38mAir Canada

Mon 1-1218:10SAN - HKG

1 stop32h 30mAir Canada

Deal found 14-7HK$7,701

Sun 7-900:45HKG - SAN

2 stops37h 06mDelta

Wed 29-1013:30SAN - HKG

2 stops42h 40mDelta

Deal found 14-7HK$10,307

Wed 6-818:55HKG - SAN

1 stop43h 49mUnited Airlines

Mon 11-819:27SAN - HKG

1 stop18h 33mUnited Airlines

Deal found 15-7HK$11,351

Thu 28-800:50HKG - SAN

1 stop21h 51mCathay Pacific

Fri 5-916:59SAN - HKG

1 stop22h 21mCathay Pacific

Deal found 15-7HK$11,963

Sat 25-1001:20HKG - SAN

1 stop24h 25mJapan Airlines

Mon 1-1207:05SAN - HKG

2 stops23h 15mJapan Airlines

Deal found 14-7HK$14,459

Fri 29-822:05HKG - SAN

4 stops55h 58mEthiopian Air

Fri 5-921:45SAN - HKG

4 stops52h 00mEthiopian Air

Deal found 15-7HK$15,896

Thu 16-1001:20HKG - SAN

1 stop24h 50mAmerican Airlines

Wed 19-1111:40SAN - HKG

1 stop19h 05mAmerican Airlines

Deal found 14-7HK$16,453

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 16 July 2025.

Mon 8-911:20HKG - SAN

2 stops25h 37m星宇航空

Wed 29-1015:43SAN - HKG

2 stops35h 47m星宇航空

Deal found 14-7HK$6,531

Sun 26-1019:40HKG - SAN

2 stops19h 00mMultiple Airlines

Mon 1-1217:25SAN - HKG

2 stops23h 35mMultiple Airlines

Deal found 14-7HK$7,222

Sun 26-1019:25HKG - SAN

1 stop31h 38mAir Canada

Mon 1-1218:10SAN - HKG

1 stop32h 30mAir Canada

Deal found 14-7HK$7,701

Sun 7-900:45HKG - SAN

2 stops37h 06mDelta

Wed 29-1013:30SAN - HKG

2 stops42h 40mDelta

Deal found 14-7HK$10,307

Wed 6-818:55HKG - SAN

1 stop43h 49mUnited Airlines

Mon 11-819:27SAN - HKG

1 stop18h 33mUnited Airlines

Deal found 15-7HK$11,351

Thu 28-800:50HKG - SAN

1 stop21h 51mCathay Pacific

Fri 5-916:59SAN - HKG

1 stop22h 21mCathay Pacific

Deal found 15-7HK$11,963

Sat 25-1001:20HKG - SAN

1 stop24h 25mJapan Airlines

Mon 1-1207:05SAN - HKG

2 stops23h 15mJapan Airlines

Deal found 14-7HK$14,459

Fri 29-822:05HKG - SAN

4 stops55h 58mEthiopian Air

Fri 5-921:45SAN - HKG

4 stops52h 00mEthiopian Air

Deal found 15-7HK$15,896

Thu 16-1001:20HKG - SAN

1 stop24h 50mAmerican Airlines

Wed 19-1111:40SAN - HKG

1 stop19h 05mAmerican Airlines

Deal found 14-7HK$16,453

Last-minute flights from Hong Kong to San Diego
Discover last-minute flight deals from Hong Kong to San Diego. Data last updated 16 July 2025 and is based on user searches.

Wed 6-818:55HKG - SAN

1 stop43h 49mUnited Airlines

Mon 11-819:27SAN - HKG

1 stop18h 33mUnited Airlines

Deal found 15-7HK$11,351

Thu 28-801:15HKG - SAN

3 stops45h 06mMultiple Airlines

Fri 5-916:55SAN - HKG

1 stop32h 10mMultiple Airlines

Deal found 15-7HK$7,418

Thu 28-800:50HKG - SAN

1 stop21h 51mCathay Pacific

Fri 5-916:59SAN - HKG

1 stop22h 21mCathay Pacific

Deal found 15-7HK$11,963

Thu 28-800:45HKG - SAN

2 stops36h 54mDelta

Sun 5-1007:29SAN - HKG

2 stops36h 11mDelta

Deal found 14-7HK$12,403

Thu 28-801:20HKG - SAN

1 stop25h 15mJapan Airlines

Sun 5-1007:25SAN - HKG

2 stops23h 35mJapan Airlines

Deal found 14-7HK$15,880

Fri 29-818:00HKG - SAN

1 stop32h 57mAir Canada

Fri 5-916:55SAN - HKG

1 stop32h 10mAir Canada

Deal found 15-7HK$8,917

Fri 29-822:05HKG - SAN

4 stops55h 58mEthiopian Air

Fri 5-921:45SAN - HKG

4 stops52h 00mEthiopian Air

Deal found 15-7HK$15,896

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 16 July 2025.

Thu 20-1120:05HKG - SAN

2 stops18h 54mMultiple Airlines

Deal found 14-7HK$3,760

Wed 19-1111:15HKG - SAN

2 stops27h 44m星宇航空

Deal found 14-7HK$3,996

Thu 20-1120:25HKG - SAN

1 stop36h 59mAir Canada

Deal found 14-7HK$5,770

Fri 1-811:05HKG - SAN

2 stops37h 13mChina Airlines

Deal found 14-7HK$6,335

Wed 19-1116:10HKG - SAN

1 stop19h 57mCathay Pacific

Deal found 14-7HK$6,766

Sun 16-1100:55HKG - SAN

2 stops29h 37mKorean Air

Deal found 14-7HK$6,900

Thu 31-700:45HKG - SAN

2 stops32h 54mDelta

Deal found 14-7HK$6,978

Sun 3-811:15HKG - SAN

1 stop37h 57mUnited Airlines

Deal found 14-7HK$6,994

Tue 18-1100:25HKG - SAN

3 stops55h 03mEthiopian Air

Deal found 14-7HK$10,040

Fri 29-821:30HKG - SAN

3 stops35h 53mEmirates

Deal found 15-7HK$12,662

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

11:20-21:57

2 stops25h 37m

San Diego

Wed 29-10

15:43-18:30

2 stops35h 47m

HK$6,531

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 26-10

19:40-23:40

2 stops19h 00m

San Diego

Mon 1-12

17:25-09:00

2 stops23h 35m

HK$7,222

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 26-10

19:25-12:03

1 stop31h 38m

San Diego

Mon 1-12

18:10-18:40

1 stop32h 30m

HK$7,701

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 7-9

00:45-22:51

2 stops37h 06m

San Diego

Wed 29-10

13:30-23:10

2 stops42h 40m

HK$10,307

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 6-8

18:55-23:44

1 stop43h 49m

San Diego

Mon 11-8

19:27-05:00

1 stop18h 33m

HK$11,351

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 28-8

00:50-07:41

1 stop21h 51m

San Diego

Fri 5-9

16:59-06:20

1 stop22h 21m

HK$11,963

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 25-10

01:20-10:45

1 stop24h 25m

San Diego

Mon 1-12

07:05-22:20

2 stops23h 15m

HK$14,459

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Fri 29-8

22:05-15:03

4 stops55h 58m

San Diego

Fri 5-9

21:45-16:45

4 stops52h 00m

HK$15,896

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 16-10

01:20-11:10

1 stop24h 50m

San Diego

Wed 19-11

11:40-22:45

1 stop19h 05m

HK$16,453

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 20-11

20:05-22:59

2 stops18h 54m

HK$3,760

Flights are sorted by cheapest return flights first.

Deals found on 14-7

Showing 1-10 of 19 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.

How much does it cost for a return flight from Hong Kong to San Diego?

Reviews of airlines servicing San Diego

Get a feel of what it's like to fly with 星宇航空, Korean Air, andJapan Airlines from Hong Kong to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

星宇航空

9.0

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

9.0

Wonderful

星宇航空

9.0

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

1,109 reviews

星宇航空

9.0

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

1,513 reviews

星宇航空

9.0

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.

China Airlines

8.2

Very Good

745 reviews

星宇航空

9.0

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.

Emirates

8.1

Very Good

3,288 reviews

星宇航空

9.0

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$6,531, 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 Air Canada and Delta - these airlines can fly you to your destination from HK$7,701 and HK$10,307, respectively. 星宇航空 is 40% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Hong Kong to San Diego one-way?
The cheapest airline one-way is 星宇航空, with whom users have recently found tickets for as low as HK$3,996. However, be on the lookout for offers from Air Canada and China Airlines, as they are both options that can get you from Hong Kong to San Diego for a low price.
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 Los Angeles flights

Hong Kong to San Francisco flights

Hong Kong to Ontario flights

Hong Kong to San Jose flights

Hong Kong to Burbank flights

Hong Kong to Oakland flights

Hong Kong to Santa Ana flights

Hong Kong to Las Vegas flights

Hong Kong to Long Beach 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$9,914	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestHK$6,301	AverageHK$10,339	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$3,760

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 20-11. 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

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 16 July 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 16 July 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 16 July 2025.

How much does it cost for a return flight from Hong Kong to San Diego?

Reviews of airlines servicing San Diego

Get a feel of what it's like to fly with 星宇航空, Korean Air, andJapan Airlines from Hong Kong to San Diego by reading reviews from past customers. Users have also rated airlines 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 are the cheapest airlines flying from Hong Kong to San Diego round-trip?

What are the cheapest airlines to fly from Hong Kong to San Diego one-way?

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 16 July 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 16 July 2025.