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Cheap flights from Hong Kong to San Diego from $521

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to San Diego departing on 9/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Hong Kong to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:30 pm - 11:35 am
HKG
-
SAN
28h 05m
2 stops
United Airlines Logo
2:24 pm - 5:00 am
SAN
-
HKG
23h 36m
2 stops
$841United Airlines
Sun, Oct 11 - Mon, Oct 12
Air Canada Logo
9:45 am - 4:12 pm
HKG
-
SAN
21h 27m
1 stop
Air Canada Logo
6:50 pm - 5:15 am
SAN
-
HKG
43h 25m
2 stops
$1,034Air Canada
Sun, Oct 11 - Mon, Oct 12
STARLUX Airlines Logo
11:35 am - 11:59 pm
HKG
-
SAN
27h 24m
2 stops
STARLUX Airlines Logo
7:25 pm - 9:55 am
SAN
-
HKG
23h 30m
2 stops
$1,051STARLUX Airlines
Sun, Oct 11 - Mon, Oct 12
United Airlines Logo
9:45 pm - 11:35 am
HKG
-
SAN
28h 50m
1 stop
United Airlines Logo
2:24 pm - 5:00 am
SAN
-
HKG
23h 36m
2 stops
$1,082United Airlines
Sun, Oct 11 - Mon, Oct 12
Air Canada Logo
10:45 am - 5:59 pm
HKG
-
SAN
23h 14m
1 stop
Air Canada Logo
2:00 pm - 5:10 am
SAN
-
HKG
23h 10m
1 stop
$1,123Air Canada
Sat, Dec 19 - Thu, Jan 7
Air Canada Logo
10:45 am - 5:59 pm
HKG
-
SAN
23h 14m
1 stop
Air Canada Logo
4:06 pm - 5:10 am
SAN
-
HKG
21h 04m
2 stops
$1,183Air Canada
Sat, Dec 19 - Thu, Jan 7
Air Canada Logo
10:45 am - 5:10 pm
HKG
-
SAN
22h 25m
2 stops
Air Canada Logo
11:20 am - 5:10 am
SAN
-
HKG
25h 50m
2 stops
$1,189Air Canada
Sat, Dec 19 - Thu, Jan 7
Multiple Airlines Logo
8:10 pm - 8:15 am
HKG
-
SAN
27h 05m
2 stops
Multiple Airlines Logo
8:10 pm - 9:15 am
SAN
-
HKG
22h 05m
2 stops
$1,252Multiple Airlines
Thu, Aug 20 - Thu, Aug 27
Multiple Airlines Logo
8:45 pm - 4:10 pm
HKG
-
SAN
34h 25m
2 stops
Multiple Airlines Logo
12:35 pm - 10:45 pm
SAN
-
HKG
43h 10m
2 stops
$1,257Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
4:05 pm - 11:53 am
HKG
-
SAN
34h 48m
3 stops
Multiple Airlines Logo
5:00 pm - 10:45 pm
SAN
-
HKG
38h 45m
2 stops
$1,291Multiple Airlines
Mon, Aug 17 - Mon, Aug 24

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Air Canada flights from Hong Kong to San Diego

Our best Air Canada deals on Hong Kong to San Diego flight tickets
Air Canada
Oct 11
HKG9:45 amHong Kong Intl
21h 27m
1 stop
SAN4:12 pmSan Diego
Oct 12
SAN6:50 pmSan Diego
43h 25m
2 stops
HKG5:15 amHong Kong Intl
$1,034
Air Canada
Dec 19
HKG10:45 amHong Kong Intl
23h 14m
1 stop
SAN5:59 pmSan Diego
Jan 7
SAN2:00 pmSan Diego
23h 10m
1 stop
HKG5:10 amHong Kong Intl
$1,123
Air Canada
Dec 19
HKG10:45 amHong Kong Intl
23h 14m
1 stop
SAN5:59 pmSan Diego
Jan 7
SAN4:06 pmSan Diego
21h 04m
2 stops
HKG5:10 amHong Kong Intl
$1,183

United Airlines flights from Hong Kong to San Diego

Our best United Airlines deals on Hong Kong to San Diego flight tickets
United Airlines
Jul 9
HKG12:40 pmHong Kong Intl
20h 59m
2 stops
SAN6:39 pmSan Diego
Jul 22
SAN6:27 pmSan Diego
20h 13m
2 stops
HKG5:40 amHong Kong Intl
$1,052
United Airlines
Oct 11
HKG9:45 pmHong Kong Intl
28h 50m
1 stop
SAN11:35 amSan Diego
Oct 12
SAN2:24 pmSan Diego
23h 36m
2 stops
HKG5:00 amHong Kong Intl
$1,082
United Airlines
Jul 9
HKG12:40 pmHong Kong Intl
20h 59m
2 stops
SAN6:39 pmSan Diego
Jul 17
SAN4:07 pmSan Diego
21h 53m
2 stops
HKG5:00 amHong Kong Intl
$1,088

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 7, 2026.
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

Depart

Return

Price

Cheapest round-trip

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 10/11

10:30 pm-11:35 am

2 stops28h 05m

San Diego

Mon 10/12

2:24 pm-5:00 am

2 stops23h 36m

$841

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 10/11

9:45 am-4:12 pm

1 stop21h 27m

San Diego

Mon 10/12

6:50 pm-5:15 am

2 stops43h 25m

$1,034

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 10/11

11:35 am-11:59 pm

2 stops27h 24m

San Diego

Mon 10/12

7:25 pm-9:55 am

2 stops23h 30m

$1,051

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sun 10/11

9:45 pm-11:35 am

1 stop28h 50m

San Diego

Mon 10/12

2:24 pm-5:00 am

2 stops23h 36m

$1,082

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 12/19

10:45 am-5:59 pm

1 stop23h 14m

San Diego

Thu 1/7

2:00 pm-5:10 am

1 stop23h 10m

$1,123
Quickest round-trip

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 12/19

10:45 am-5:59 pm

1 stop23h 14m

San Diego

Thu 1/7

4:06 pm-5:10 am

2 stops21h 04m

$1,183

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Sat 12/19

10:45 am-5:10 pm

2 stops22h 25m

San Diego

Thu 1/7

11:20 am-5:10 am

2 stops25h 50m

$1,189

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 8/20

8:10 pm-8:15 am

2 stops27h 05m

San Diego

Thu 8/27

8:10 pm-9:15 am

2 stops22h 05m

$1,252

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 8/17

8:45 pm-4:10 pm

2 stops34h 25m

San Diego

Mon 8/24

12:35 pm-10:45 pm

2 stops43h 10m

$1,257

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Mon 8/17

4:05 pm-11:53 am

3 stops34h 48m

San Diego

Mon 8/24

5:00 pm-10:45 pm

2 stops38h 45m

$1,291

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Hong Kong to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Hong Kong to San Diego flights?

You could potentially save up to 15% on your flight if you consider stops on a Hong Kong to San Diego flight.

How have Hong Kong to San Diego flight prices changed over time?

When to book flights from Hong Kong to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hong Kong to San Diego (HKG to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to San Diego

Fastest flight time

17h 09m

Direct flights

None
The fastest flight from Hong Kong to San Diego takes 17h 09m
There are no direct flights from Hong Kong to San Diego. There are no popular flight routes from Hong Kong to San Diego.
Search flight deals

Frequently asked questions about flying from Hong Kong to San Diego

  • How far is Hong Kong Intl to San Diego by plane?

    San Diego is 7340.9 mi away from Hong Kong Intl. Flights usually cover this in 17h 09m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Hong Kong Intl Airport to San Diego Airport?

    Prices for flights from Hong Kong Intl Airport to San Diego Airport were last updated today.

  • How old do you have to be to fly from Hong Kong Intl Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hong Kong Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
National City
La Mesa
Poway
San Ysidro
Imperial Beach
Borrego Springs
Santee
Lemon Grove
Alpine

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to San Diego for you.

Can I find flights from Hong Kong to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Hong Kong to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from Hong Kong to San Diego?

Once all potential Hong Kong to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Hong Kong to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Hong Kong and alert you when they change.

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