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Cheap flights from Hong Kong to San Francisco from $651

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 Francisco departing on 29/1. 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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Cheap return flights

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United Airlines Logo
22:45 - 19:28
HKG
-
SFO
36h 43m2 stops
United Airlines Logo
17:40 - 19:15
SFO
-
HKG
33h 35m1 stop
$950United Airlines
Wed, 21 Jan - Fri, 30 Jan
China Airlines Logo
17:30 - 19:55
HKG
-
SFO
17h 25m1 stop
China Airlines Logo
01:05 - 16:30
SFO
-
HKG
24h 25m1 stop
$973China Airlines
Mon, 13 Apr - Mon, 1 Jun
United Airlines Logo
22:30 - 18:55
HKG
-
SFO
12h 25mdirect
United Airlines Logo
20:00 - 07:00
SFO
-
HKG
19h 00m1 stop
$996United Airlines
Tue, 23 Dec - Mon, 5 Jan
United Airlines Logo
22:30 - 18:55
HKG
-
SFO
12h 25mdirect
United Airlines Logo
07:25 - 19:15
SFO
-
HKG
19h 50m1 stop
$999United Airlines
Thu, 25 Dec - Wed, 7 Jan
United Airlines Logo
10:35 - 07:00
HKG
-
SFO
12h 25mdirect
United Airlines Logo
22:59 - 19:15
SFO
-
HKG
28h 16m1 stop
$1,002United Airlines
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
22:30 - 18:55
HKG
-
SFO
12h 25mdirect
United Airlines Logo
20:50 - 19:15
SFO
-
HKG
30h 25m2 stops
$1,003United Airlines
Tue, 23 Dec - Sun, 4 Jan
United Airlines Logo
10:35 - 08:00
HKG
-
SFO
12h 25mdirect
United Airlines Logo
20:52 - 18:30
SFO
-
HKG
30h 38m2 stops
$1,005United Airlines
Wed, 25 Mar - Sun, 5 Apr
United Airlines Logo
11:25 - 19:28
HKG
-
SFO
24h 03m2 stops
United Airlines Logo
22:59 - 19:15
SFO
-
HKG
28h 16m1 stop
$1,006United Airlines
Tue, 20 Jan - Tue, 20 Jan
United Airlines Logo
22:45 - 14:54
HKG
-
SFO
32h 09m1 stop
United Airlines Logo
22:48 - 07:00
SFO
-
HKG
40h 12m2 stops
$1,015United Airlines
Tue, 23 Dec - Sun, 4 Jan
United Airlines Logo
22:45 - 14:53
HKG
-
SFO
32h 08m2 stops
United Airlines Logo
22:59 - 19:15
SFO
-
HKG
28h 16m1 stop
$1,017United Airlines
Thu, 5 Feb - Fri, 6 Feb

Asiana Airlines flights from Hong Kong to San Francisco

Our best Asiana Airlines deals on Hong Kong to San Francisco flight tickets
Asiana Airlines
19 Jan
HKG00:40Hong Kong Intl
29h 20m
1 stop
SFO14:00San Francisco
29 Jan
SFO23:50San Francisco
30h 50m
1 stop
HKG22:40Hong Kong Intl
$1,029
Find similar
Asiana Airlines
11 Mar
HKG00:40Hong Kong Intl
29h 20m
1 stop
SFO15:00San Francisco
16 Mar
SFO23:50San Francisco
31h 50m
1 stop
HKG22:40Hong Kong Intl
$1,031
Find similar

STARLUX Airlines flights from Hong Kong to San Francisco

Our best STARLUX Airlines deals on Hong Kong to San Francisco flight tickets
STARLUX Airlines
22 Jan
HKG11:15Hong Kong Intl
23h 45m
1 stop
SFO19:00San Francisco
9 May
SFO00:50San Francisco
27h 05m
1 stop
HKG18:55Hong Kong Intl
$1,047
Find similar
STARLUX Airlines
12 Mar
HKG19:45Hong Kong Intl
15h 15m
1 stop
SFO20:00San Francisco
19 Mar
SFO00:10San Francisco
27h 20m
1 stop
HKG18:30Hong Kong Intl
$1,049
Find similar
STARLUX Airlines
22 Dec
HKG19:45Hong Kong Intl
15h 15m
1 stop
SFO19:00San Francisco
19 Jan
SFO23:10San Francisco
19h 00m
1 stop
HKG10:10Hong Kong Intl
$1,113
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Hong Kong to San Francisco 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 78,305 searches. Data last updated 4 December 2025.
Use the filters below to find and compare flights from Hong Kong to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 21/1

22:45-19:28

2 stops36h 43m

San Francisco

Fri 30/1

17:40-19:15

1 stop33h 35m

$950

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 13/4

17:30-19:55

1 stop17h 25m

San Francisco

Mon 1/6

01:05-16:30

1 stop24h 25m

$973

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 23/12

22:30-18:55

Nonstop12h 25m

San Francisco

Mon 5/1

20:00-07:00

1 stop19h 00m

$996

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 25/12

22:30-18:55

Nonstop12h 25m

San Francisco

Wed 7/1

07:25-19:15

1 stop19h 50m

$999

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 5/2

10:35-07:00

Nonstop12h 25m

San Francisco

Mon 9/2

22:59-19:15

1 stop28h 16m

$1,002

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 23/12

22:30-18:55

Nonstop12h 25m

San Francisco

Sun 4/1

20:50-19:15

2 stops30h 25m

$1,003

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 25/3

10:35-08:00

Nonstop12h 25m

San Francisco

Sun 5/4

20:52-18:30

2 stops30h 38m

$1,005

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 20/1

11:25-19:28

2 stops24h 03m

San Francisco

Tue 20/1

22:59-19:15

1 stop28h 16m

$1,006

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 23/12

22:45-14:54

1 stop32h 09m

San Francisco

Sun 4/1

22:48-07:00

2 stops40h 12m

$1,015

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 5/2

22:45-14:53

2 stops32h 08m

San Francisco

Fri 6/2

22:59-19:15

1 stop28h 16m

$1,017

Flights are sorted by cheapest return flights first.

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

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

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 cheapest month to fly to San Francisco?

If you aren’t able to travel during the month of September, then book flights to San Francisco from Hong Kong during October instead. Flights to San Francisco in October, while not as cheap as those in September, still average around $1,126.

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

According to our data, Sunday is the cheapest day to fly to San Francisco from Hong Kong. The lowest ticket price found for a Sunday departure recently was $1,231. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to San Francisco for around $1,262.

What is the cheapest time of day to depart on your flight to San Francisco?

According to our data, the cheapest time of day to fly to San Francisco is in the evening. momondo users have found flights departing from Hong Kong to San Francisco in the evening for as low as $1,235. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,371 on average. Flights to San Francisco from Hong Kong in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Hong Kong Intl to San Francisco flight route?

Fly from Hong Kong Intl to San Francisco for the best Hong Kong Intl - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $1,314 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Hong Kong for as low as $1,172 on momondo.

What cabin class options are available on Hong Kong Intl to San Francisco flights?

There is only 1 cabin class available to choose from on Hong Kong Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of December 2025, prices for Hong Kong to San Francisco flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Hong Kong to San Francisco

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

Cheap Hong Kong to San Francisco (HKG to SFO) flight deals and tips

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

Fastest flight time

12h 25m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from Hong Kong to San Francisco takes 12h 25m
Direct flights go from Hong Kong to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

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

    A flight from Hong Kong Intl to San Francisco will travel around 11086.9 km. 12h 25m is a normal flight duration for this route.

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

    Prices for flights from Hong Kong Intl Airport to San Francisco Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to San Francisco Airport.

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

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Hong Kong to San Francisco?

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Redwood City
Sausalito
Carmel-by-the-Sea
Watsonville
Emeryville
San Mateo
Pacifica
Salinas
Burlingame
Pebble Beach
Pacific Grove
San Lorenzo

Why use momondo?

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

It is quick and easy to find Hong Kong to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

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

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

Once all potential Hong Kong to San Francisco 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 Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Hong Kong. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your San Francisco trip

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