What is the most punctual flight time for Hong Kong to San Francisco flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

How many flights depart from Hong Kong to San Francisco on average per day?

As of November 2025, there are 12 flights per day flying from Hong Kong to San Francisco. The most common time of day flights depart is 13:00, with 45% of flights taking off in the afternoon.

Which airline has the best punctuality record on Hong Kong to San Francisco flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

How many flights depart from Hong Kong to San Francisco on average per week?

As of November 2025, there are 85 flights per week flying from Hong Kong to San Francisco. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.

How often are flights from Hong Kong to San Francisco delayed?

Historically, on average around 11% of flights between Hong Kong and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Hong Kong Intl to San Francisco?

China Airlines, STARLUX Airlines, and EVA Air are the most popular carriers operating from Hong Kong Intl to San Francisco

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.

$590 Cheap Flights from Hong Kong to San Francisco in 2025/26

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11:25 - 13:42HKG-SFO

18h 17m1 stop

22:48 - 07:00SFO-HKG

40h 12m2 stops

$1,026United Airlines

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Thu, 25 Dec - Sat, 3 Jan

11:15 - 19:30HKG-SFO

24h 15m1 stop

23:25 - 21:25SFO-HKG

31h 00m1 stop

$1,045Philippine Airlines

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Thu, 27 Nov - Mon, 30 Mar

19:45 - 19:00HKG-SFO

15h 15m1 stop

00:10 - 18:30SFO-HKG

27h 20m1 stop

$1,059STARLUX Airlines

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Mon, 24 Nov - Mon, 23 Mar

20:05 - 16:20HKG-SFO

12h 15mdirect

23:55 - 06:15SFO-HKG

15h 20mdirect

$1,075Cathay Pacific

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Mon, 2 Mar - Thu, 26 Mar

10:35 - 07:00HKG-SFO

12h 25mdirect

12:45 - 19:20SFO-HKG

15h 35mdirect

$1,077United Airlines

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Fri, 27 Feb - Thu, 26 Mar

21:10 - 06:40HKG-SFO

25h 30m1 stop

00:40 - 09:00SFO-HKG

17h 20m1 stop

$1,079EVA Air

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Thu, 27 Nov - Mon, 23 Mar

11:25 - 14:59HKG-SFO

19h 34m1 stop

12:45 - 19:20SFO-HKG

15h 35mdirect

$1,085United Airlines

Find Deal

Sat, 28 Feb - Thu, 26 Mar

20:05 - 17:58HKG-SFO

37h 53m2 stops

23:40 - 16:35SFO-HKG

25h 55m1 stop

$1,161China Airlines

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Fri, 27 Feb - Thu, 26 Mar

01:00 - 21:15HKG-SFO

12h 15mdirect

22:45 - 05:00SFO-HKG

15h 15mdirect

$1,193Cathay Pacific

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Thu, 26 Feb - Thu, 26 Mar

19:45 - 19:00HKG-SFO

15h 15m1 stop

23:10 - 10:10SFO-HKG

19h 00m1 stop

$1,521STARLUX Airlines

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Sun, 21 Dec - Wed, 21 Jan

United Airlines flights from Hong Kong to San Francisco

Our best United Airlines deals on Hong Kong to San Francisco flight tickets

United Airlines

18 Nov

HKG10:35Hong Kong Intl

12h 25m

SFO07:00San Francisco

25 Nov

SFO11:40San Francisco

15h 40m

HKG19:20Hong Kong Intl

$1,006

Find similar

United Airlines

25 Dec

HKG11:25Hong Kong Intl

18h 17m

1 stop

SFO13:42San Francisco

3 Jan

SFO22:48San Francisco

40h 12m

2 stops

HKG07:00Hong Kong Intl

$1,026

Find similar

United Airlines

27 Feb

HKG10:35Hong Kong Intl

12h 25m

SFO07:00San Francisco

26 Mar

SFO12:45San Francisco

15h 35m

HKG19:20Hong Kong Intl

$1,077

Find similar

Delta flights from Hong Kong to San Francisco

Our best Delta deals on Hong Kong to San Francisco flight tickets

Delta

26 Nov

HKG00:55Hong Kong Intl

34h 51m

2 stops

SFO19:46San Francisco

11 Jan

SFO06:05San Francisco

25h 05m

2 stops

HKG23:10Hong Kong Intl

$1,304

Find similar

Delta

23 Nov

HKG00:55Hong Kong Intl

37h 30m

2 stops

SFO22:25San Francisco

25 Mar

SFO06:05San Francisco

26h 05m

2 stops

HKG23:10Hong Kong Intl

$1,435

Find similar

Delta

23 Nov

HKG00:55Hong Kong Intl

24h 35m

1 stop

SFO09:30San Francisco

28 Mar

SFO16:15San Francisco

27h 40m

2 stops

HKG10:55Hong Kong Intl

$1,452

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 25/12

11:25-13:42

1 stop18h 17m

San Francisco

Sat 3/1

22:48-07:00

2 stops40h 12m

$1,026

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 27/11

11:15-19:30

1 stop24h 15m

San Francisco

Mon 30/3

23:25-21:25

1 stop31h 00m

$1,045

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 24/11

19:45-19:00

1 stop15h 15m

San Francisco

Mon 23/3

00:10-18:30

1 stop27h 20m

$1,059

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 2/3

20:05-16:20

Nonstop12h 15m

San Francisco

Thu 26/3

23:55-06:15

Nonstop15h 20m

$1,075

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 27/2

10:35-07:00

Nonstop12h 25m

San Francisco

Thu 26/3

12:45-19:20

Nonstop15h 35m

$1,077

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 27/11

21:10-06:40

1 stop25h 30m

San Francisco

Mon 23/3

00:40-09:00

1 stop17h 20m

$1,078

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 28/2

11:25-14:59

1 stop19h 34m

San Francisco

Thu 26/3

12:45-19:20

Nonstop15h 35m

$1,085

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 27/2

20:05-17:58

2 stops37h 53m

San Francisco

Thu 26/3

23:40-16:35

1 stop25h 55m

$1,161

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 26/2

01:00-21:15

Nonstop12h 15m

San Francisco

Thu 26/3

22:45-05:00

Nonstop15h 15m

$1,193

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 21/12

19:45-19:00

1 stop15h 15m

San Francisco

Wed 21/1

23:10-10:10

1 stop19h 00m

$1,521

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

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 $1,137.

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 $1,242. 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 Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to San Francisco for around $1,716.

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 $1,247. 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 $1,716 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 $1,341 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 $1,183 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 November 2025, prices for Hong Kong to San Francisco flights are approximately 41% 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 00m
Direct flights	Every day
Airports in San Francisco	1 airport

The fastest flight from Hong Kong to San Francisco takes 12h 00m

Direct flights go from Hong Kong to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

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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 15m 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Hong Kong to San Francisco is Boeing 777-300ER (61.83% of total bookings). The next most popular plane models are Airbus A350-900 (29.04%), Airbus A350-1000 (3.75%), and Airbus A330-300 (2.28%).

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Pebble Beach

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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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Hong Kong to San Francisco from $590

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 30/1. 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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Our best United Airlines deals on Hong Kong to San Francisco flight tickets

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

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 $1,137.

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

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

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?

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 November 2025, prices for Hong Kong to San Francisco flights are approximately 41% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Hong Kong Intl to San Francisco?

China Airlines, STARLUX Airlines, and EVA Air are the most popular carriers operating from Hong Kong Intl to San Francisco

How often are flights from Hong Kong to San Francisco delayed?

Historically, on average around 11% of flights between Hong Kong and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

What is the most punctual flight time for Hong Kong to San Francisco flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Hong Kong to San Francisco flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

How many flights depart from Hong Kong to San Francisco on average per day?

As of November 2025, there are 12 flights per day flying from Hong Kong to San Francisco. The most common time of day flights depart is 13:00, with 45% of flights taking off in the afternoon.

How many flights depart from Hong Kong to San Francisco on average per week?

As of November 2025, there are 85 flights per week flying from Hong Kong to San Francisco. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.

When to book flights from Hong Kong to San Francisco

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

Direct flights

Airports in San Francisco

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

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

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

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

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

Travelling to a place near San Francisco?

Why use momondo?

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

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

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

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

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California