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

About 14% of weekly flights between Hong Kong and San Francisco have experienced delays in the past year, with the average delay time being 116 minutes.

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

Over the past year, Cathay Pacific have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

How popular is this Hong Kong to San Francisco flight route?

The Hong Kong Intl to San Francisco flight path was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Hong Kong to San Francisco?

For as low as £642, China Airlines can have you in San Francisco from Hong Kong in 24h 25m. Hong Kong and San Francisco are separated by a distance of 6910 mi. This flight may include one or multiple stops.

Weekly flight availability from Hong Kong to San Francisco

The most flights from HKG to SFO are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the most reliable airlines from Hong Kong to San Francisco?

Before booking your flight to San Francisco from Hong Kong, check out the most reliable airlines to get you to your destination on time: United Airlines (79%), American Airlines (64%), Cathay Pacific( 64%).

Can I find deals for flights from Hong Kong to San Francisco that include hotel bookings?

Yes. In addition to deals on Hong Kong to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Hong Kong to San Francisco?

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 Francisco.

Can I find deals for business class flights from Hong Kong to San Francisco?

Yes. Cheapflights offers flight deals from Hong Kong to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£265+ Cheap Flights from Hong Kong to San Francisco

Cheap flight deals from Hong Kong to San Francisco

Enter your travel dates to find the best prices.

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One-way

Cheapest flights from Hong Kong to San Francisco
Explore the most affordable flight options available from Hong Kong to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Sat 26/922:30 -

Nonstop12h 40m

Mon 12/1018:45 -

1 stop32h 45m

Deal found 26/9£589

Sat 10/1022:30 -

Nonstop12h 40m

Fri 23/1014:20 -

2 stops24h 20m

Deal found 25/9£593

Fri 16/1011:30 -

1 stop24h 40m

Wed 17/222:40 -

1 stop19h 25m

Deal found 25/9£601

Sun 13/1222:30 -

Nonstop12h 25m

Mon 15/323:15 -

Nonstop15h 30m

Deal found 28/9£601

Sun 18/1022:30 -

Nonstop12h 40m

Thu 18/207:15 -

1 stop20h 00m

Deal found 25/9£602

Sun 27/922:30 -

Nonstop12h 40m

Thu 1/1013:25 -

Nonstop14h 30m

Deal found 27/9£603

Fri 30/1022:30 -

Nonstop12h 25m

Mon 2/1119:51 -

1 stop19h 09m

Deal found 26/9£605

Sun 11/1012:40 -

1 stop17h 12m

Wed 9/1211:45 -

Nonstop15h 35m

Deal found 25/9£606

Sun 1/1119:05 -

1 stop16h 40m

Wed 2/1222:40 -

1 stop27h 10m

Deal found 24/9£612

Sat 26/921:45 -

1 stop26h 19m

Sun 27/1222:35 -

1 stop28h 40m

Deal found 24/9£613

Fri 25/911:45 -

Nonstop12h 45m

Fri 2/1017:41 -

1 stop20h 59m

Deal found 24/9£616

Find flight deals from Hong Kong to San Francisco

Round-trip from	£593
One-way from	£265
Popular in	July
Cheapest in	January
Average price	£607

United Airlines
10/10-23/10
2 total stops
37h 00m total
Hong Kong to San Francisco

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AIR PREMIA
7/10-31/12
1 total stop
15h 45m total
Hong Kong to San Francisco

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£95 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

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

Cheapest return flight

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Wed 7/10

13:30-14:15

1 stop15h 45m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£265

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Fri 9/10

18:00-21:10

1 stop18h 10m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£331

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Thu 15/10

13:40-21:10

1 stop22h 30m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£331

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Sun 18/10

11:30-21:10

1 stop24h 40m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£331

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Thu 15/10

22:30-20:10

Nonstop12h 40m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£375

Fastest return journey

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Wed 2/12

10:35-07:05

Nonstop12h 30m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£375

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Tue 8/12

10:35-07:05

Nonstop12h 30m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£375

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Wed 4/11

10:35-07:05

Nonstop12h 30m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£375

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Mon 19/10

22:30-20:10

Nonstop12h 40m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£375

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Tue 10/11

12:35-22:29

2 stops25h 54m

San Francisco

Wed 31/12

00:00-16:00

Nonstop0h 00m

£378

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Hong Kong to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Hong Kong with our price prediction graph.

HKG-SFO

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 Francisco

Prices

Airlines

Delays

How far ahead should I book a flight from Hong Kong to San Francisco?

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Hong Kong to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of £530). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of £839). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HKG to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to San Francisco as you normally would.

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

Airfare is typical for this route at the moment.

Hong Kong to San Francisco flights typically cost between £563 and £745 in October.
The cheapest return price found within the last 5 days was £593 on United Airlines (10 Oct–23 Oct).

Related info for your journey

How popular is this Hong Kong to San Francisco flight route?
The Hong Kong Intl to San Francisco flight path was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Hong Kong to San Francisco?
For as low as £642, China Airlines can have you in San Francisco from Hong Kong in 24h 25m. Hong Kong and San Francisco are separated by a distance of 6910 mi. This flight may include one or multiple stops.
What are the most reliable airlines from Hong Kong to San Francisco?
Before booking your flight to San Francisco from Hong Kong, check out the most reliable airlines to get you to your destination on time: United Airlines (79%), American Airlines (64%), Cathay Pacific( 64%).
Can I find deals for flights from Hong Kong to San Francisco that include hotel bookings?
Yes. In addition to deals on Hong Kong to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Hong Kong to San Francisco?
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 Francisco.
Can I find deals for business class flights from Hong Kong to San Francisco?
Yes. Cheapflights offers flight deals from Hong Kong to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Hong Kong to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of £530). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of £839). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Cheapflights makes it easy to find Hong Kong to San Francisco 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 Francisco?

Cheapflights helps you find that perfect flight to San Francisco from Hong Kong by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Hong Kong to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Hong Kong to San Francisco with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to San Francisco become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Hong Kong to San Francisco from £265

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. 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 Francisco

Cheapest flights from Hong Kong to San FranciscoExplore the most affordable flight options available from Hong Kong to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Explore the most affordable flight options available from Hong Kong to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Hong Kong to San FranciscoDiscover carefully curated flight deals from Hong Kong to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Discover carefully curated flight deals from Hong Kong to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Direct flights from Hong Kong to San FranciscoExplore direct flight options from Hong Kong to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 September 2026.

Explore direct flight options from Hong Kong to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 September 2026.

Last-minute flights from Hong Kong to San FranciscoDiscover last-minute flight deals from Hong Kong to San Francisco. Data last updated 29 September 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to San Francisco. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Hong Kong to San FranciscoSearch for one-way flight options from Hong Kong to San Francisco. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Search for one-way flight options from Hong Kong to San Francisco. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

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

Best time to book a flight from Hong Kong to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Hong Kong with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Hong Kong to San Francisco?

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Hong Kong to San Francisco?

What is the cheapest time of day to fly from HKG to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to San Francisco as you normally would.

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

Airfare is typical for this route at the moment.

Hong Kong to San Francisco flights typically cost between £563 and £745 in October.The cheapest return price found within the last 5 days was £593 on United Airlines (10 Oct–23 Oct).

Weekly flight availability from Hong Kong to San Francisco

The most flights from HKG to SFO are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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

About 14% of weekly flights between Hong Kong and San Francisco have experienced delays in the past year, with the average delay time being 116 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Cathay Pacific have had the lowest number of delays on this route, with just 14% of flights being delayed.

Related info for your journey

How popular is this Hong Kong to San Francisco flight route?

How long is the flight from Hong Kong to San Francisco?

What are the most reliable airlines from Hong Kong to San Francisco?

Can I find deals for flights from Hong Kong to San Francisco that include hotel bookings?

How can I find direct flights from Hong Kong to San Francisco?

Can I find deals for business class flights from Hong Kong to San Francisco?

What is the cheapest month to book a flight from Hong Kong to San Francisco?

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How does Cheapflights help users find flights from Hong Kong to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to San Francisco?

Can Cheapflights find flights from Hong Kong to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Hong Kong to San Francisco become cheaper?

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Cheapest flights from Hong Kong to San Francisco
Explore the most affordable flight options available from Hong Kong to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 September 2026.

Best flights from Hong Kong to San Francisco
Discover carefully curated flight deals from Hong Kong to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 September 2026.

Direct flights from Hong Kong to San Francisco
Explore direct flight options from Hong Kong to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 September 2026.

Last-minute flights from Hong Kong to San Francisco
Discover last-minute flight deals from Hong Kong to San Francisco. Data last updated 29 September 2026 and is based on user searches.

One-way flights from Hong Kong to San Francisco
Search for one-way flight options from Hong Kong to San Francisco. Find affordable one-way fares based on user searches. Data last updated 29 September 2026.

Hong Kong to San Francisco flights typically cost between £563 and £745 in October.
The cheapest return price found within the last 5 days was £593 on United Airlines (10 Oct–23 Oct).