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Cheap flights from Hong Kong to San Diego from $425

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 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
8:05 pm - 8:35 am
HKG
-
SAN
28h 30m2 stops
Multiple Airlines Logo
4:45 pm - 9:15 am
SAN
-
HKG
24h 30m2 stops
$709Multiple Airlines
Thu, Feb 5 - Sat, Feb 28
Multiple Airlines Logo
8:05 pm - 8:35 am
HKG
-
SAN
28h 30m2 stops
Multiple Airlines Logo
4:45 pm - 9:15 am
SAN
-
HKG
24h 30m2 stops
$743Multiple Airlines
Thu, Feb 5 - Sat, Feb 28
Multiple Airlines Logo
1:30 pm - 6:50 pm
HKG
-
SAN
21h 20m2 stops
Multiple Airlines Logo
12:45 pm - 6:40 pm
SAN
-
HKG
37h 55m1 stop
$825Multiple Airlines
Thu, Feb 5 - Sat, Feb 28
Air Canada Logo
8:25 pm - 12:03 pm
HKG
-
SAN
31h 38m1 stop
Air Canada Logo
12:45 pm - 6:40 pm
SAN
-
HKG
37h 55m1 stop
$828Air Canada
Thu, Feb 5 - Sat, Feb 28
Air Canada Logo
8:25 pm - 12:03 pm
HKG
-
SAN
31h 38m1 stop
Air Canada Logo
7:52 pm - 6:40 pm
SAN
-
HKG
30h 48m2 stops
$846Air Canada
Thu, Feb 5 - Mon, Feb 9
Air Canada Logo
8:25 pm - 12:15 am
HKG
-
SAN
19h 50m2 stops
Air Canada Logo
7:52 pm - 6:40 pm
SAN
-
HKG
30h 48m2 stops
$851Air Canada
Thu, Feb 5 - Mon, Feb 9
Korean Air Logo
12:55 am - 1:48 pm
HKG
-
SAN
28h 53m2 stops
Korean Air Logo
6:20 am - 11:10 pm
SAN
-
HKG
24h 50m2 stops
$866Korean Air
Wed, Feb 4 - Thu, Feb 12
Air Canada Logo
8:25 pm - 12:03 pm
HKG
-
SAN
31h 38m1 stop
Air Canada Logo
6:05 pm - 6:40 pm
SAN
-
HKG
32h 35m1 stop
$884Air Canada
Thu, Feb 5 - Sat, Feb 28
Air Canada Logo
8:25 pm - 12:03 pm
HKG
-
SAN
31h 38m1 stop
Air Canada Logo
7:45 am - 6:40 pm
SAN
-
HKG
42h 55m2 stops
$888Air Canada
Thu, Feb 5 - Sat, Feb 28
United Airlines Logo
10:35 am - 2:52 pm
HKG
-
SAN
20h 17m1 stop
United Airlines Logo
6:15 am - 7:20 pm
SAN
-
HKG
21h 05m1 stop
$904United Airlines
Thu, Feb 5 - Thu, Feb 12

Korean Air flights from Hong Kong to San Diego

Our best Korean Air deals on Hong Kong to San Diego flight tickets
Korean Air
Feb 4
HKG12:55 amHong Kong Intl
28h 53m
2 stops
SAN1:48 pmSan Diego
Feb 12
SAN6:20 amSan Diego
24h 50m
2 stops
HKG11:10 pmHong Kong Intl
$866
Find similar
Korean Air
Mar 26
HKG12:55 amHong Kong Intl
28h 48m
2 stops
SAN2:43 pmSan Diego
Apr 11
SAN10:00 amSan Diego
21h 30m
2 stops
HKG10:30 pmHong Kong Intl
$943
Find similar

United Airlines flights from Hong Kong to San Diego

Our best United Airlines deals on Hong Kong to San Diego flight tickets
United Airlines
Feb 5
HKG10:35 amHong Kong Intl
20h 29m
2 stops
SAN3:04 pmSan Diego
Feb 12
SAN7:45 amSan Diego
19h 35m
1 stop
HKG7:20 pmHong Kong Intl
$904
Find similar
United Airlines
Mar 27
HKG10:30 pmHong Kong Intl
25h 10m
1 stop
SAN8:40 amSan Diego
Apr 11
SAN6:20 amSan Diego
32h 20m
1 stop
HKG5:40 amHong Kong Intl
$981
Find similar
United Airlines
Mar 27
HKG11:25 amHong Kong Intl
27h 15m
1 stop
SAN11:40 pmSan Diego
Apr 11
SAN4:21 pmSan Diego
35h 34m
1 stop
HKG6:55 pmHong Kong Intl
$1,067
Find similar

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 December 23, 2025.
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

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

8:05 pm-8:35 am

2 stops28h 30m

San Diego

Sat 2/28

4:45 pm-9:15 am

2 stops24h 30m

$709

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

8:05 pm-8:35 am

2 stops28h 30m

San Diego

Sat 2/28

4:45 pm-9:15 am

2 stops24h 30m

$743

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

1:30 pm-6:50 pm

2 stops21h 20m

San Diego

Sat 2/28

12:45 pm-6:40 pm

1 stop37h 55m

$825

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

8:25 pm-12:03 pm

1 stop31h 38m

San Diego

Sat 2/28

12:45 pm-6:40 pm

1 stop37h 55m

$828

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

8:25 pm-12:03 pm

1 stop31h 38m

San Diego

Mon 2/9

7:52 pm-6:40 pm

2 stops30h 48m

$846

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

8:25 pm-12:15 am

2 stops19h 50m

San Diego

Mon 2/9

7:52 pm-6:40 pm

2 stops30h 48m

$851

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Wed 2/4

12:55 am-1:48 pm

2 stops28h 53m

San Diego

Thu 2/12

6:20 am-11:10 pm

2 stops24h 50m

$866

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

8:25 pm-12:03 pm

1 stop31h 38m

San Diego

Sat 2/28

6:05 pm-6:40 pm

1 stop32h 35m

$884

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

8:25 pm-12:03 pm

1 stop31h 38m

San Diego

Sat 2/28

7:45 am-6:40 pm

2 stops42h 55m

$888

Hong KongSan Diego

HKG - SAN

HKGSAN

Hong Kong Intl

Thu 2/5

10:35 am-2:52 pm

1 stop20h 17m

San Diego

Thu 2/12

6:15 am-7:20 pm

1 stop21h 05m

$904

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

What is the typical price of a round-trip flight between Hong Kong and San Diego?

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Hong Kong to San Diego is on a Monday. Travelers who choose to depart for San Diego on a Monday will often find tickets for as low as $1,172. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,542. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

You could potentially save up to 37% on your flight if you consider stops on a Hong Kong to San Diego flight.

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

21h 00m

Direct flights

None
The fastest flight from Hong Kong to San Diego takes 21h 00m
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

  • 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 21h 00m, 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
Coronado
Chula Vista
El Cajon
Julian
Poway
National City
Borrego Springs
Imperial Beach
La Mesa
San Ysidro
Lemon Grove
Alpine
Santee

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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