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

About 16% of weekly flights between Hong Kong and San Francisco have experienced delays in the past year, with the average delay time being 124 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 evening 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, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

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

The Hong Kong Intl to San Francisco flight path was viewed by 2 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 £566, United Airlines can have you in San Francisco from Hong Kong in 13h 05m. Hong Kong and San Francisco are separated by a distance of 6910 mi. All flights are typically direct.

Weekly flight availability from Hong Kong to San Francisco

The most flights from HKG to SFO are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 (80%), American Airlines (67%), Cathay Pacific( 67%).

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.

£341+ 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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Best

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Last-minute

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 14 August 2026.

Wed 16/909:25 -

1 stop19h 00m

Tue 1/1214:47 -

1 stop24h 53m

Deal found 14/8£557

Mon 28/913:30 -

1 stop15h 45m

Sun 4/1000:30 -

1 stop21h 05m

Deal found 14/8£558

Wed 16/912:20 -

2 stops26h 39m

Mon 30/1120:59 -

2 stops34h 11m

Deal found 14/8£560

Wed 16/909:25 -

1 stop19h 00m

Thu 3/1206:00 -

2 stops25h 10m

Deal found 14/8£562

Tue 1/922:30 -

Nonstop13h 05m

Thu 10/913:25 -

Nonstop14h 30m

Deal found 12/8£566

Sat 5/922:30 -

Nonstop13h 05m

Wed 4/1119:51 -

1 stop19h 09m

Deal found 11/8£567

Sat 26/922:30 -

Nonstop12h 40m

Thu 8/1013:25 -

Nonstop14h 30m

Deal found 10/8£568

Tue 1/912:20 -

2 stops22h 59m

Fri 11/918:43 -

1 stop19h 22m

Deal found 13/8£569

Wed 2/912:20 -

2 stops25h 47m

Sat 12/914:30 -

1 stop23h 35m

Deal found 10/8£570

Thu 3/909:25 -

1 stop26h 54m

Wed 16/918:12 -

1 stop19h 53m

Deal found 11/8£571

Sat 26/912:20 -

1 stop37h 20m

Sun 11/1012:50 -

1 stop31h 05m

Deal found 12/8£572

Mon 14/912:20 -

1 stop37h 20m

Tue 6/1012:50 -

1 stop31h 05m

Deal found 12/8£573

Find flight deals from Hong Kong to San Francisco

Round-trip from	£557
One-way from	£341
Popular in	July
Cheapest in	January
Average price	£804

Delta
22/9-2/12
2 total stops
50h 08m total
Hong Kong to San Francisco

Search Deals

Air Canada
18/9
1 total stop
28h 35m total
Hong Kong to San Francisco

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£103 potential increase over avg. return price).

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

Search Deals

Average for round-trip flights in August 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 16/9

09:25-13:25

1 stop19h 00m

San Francisco

Tue 1/12

14:47-07:40

1 stop24h 53m

£557

Fastest return journey

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Fri 18/9

22:30-20:10

Nonstop12h 40m

San Francisco

Sat 3/10

13:25-18:55

Nonstop14h 30m

£566

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Sat 26/9

22:30-20:10

Nonstop12h 40m

San Francisco

Mon 12/10

13:25-18:55

Nonstop14h 30m

£566

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Fri 4/9

12:20-21:59

2 stops24h 39m

San Francisco

Sat 12/9

11:58-05:05

1 stop26h 07m

£569

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Thu 3/9

12:20-20:19

2 stops22h 59m

San Francisco

Wed 16/9

18:12-05:05

1 stop19h 53m

£570

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Wed 2/9

12:20-23:59

2 stops26h 39m

San Francisco

Wed 16/9

11:58-05:05

1 stop26h 07m

£570

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Tue 22/9

12:20-22:15

2 stops24h 55m

San Francisco

Wed 2/12

06:00-23:10

2 stops25h 10m

£575

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Tue 24/11

12:35-23:31

2 stops26h 56m

San Francisco

Tue 8/12

20:59-23:10

2 stops34h 11m

£575

Cheapest one-way

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Thu 3/9

17:35-20:30

1 stop17h 55m

£347

Hong KongSan Francisco

HKG Hong Kong Intl - SFO San Francisco

HKGSFO

Hong Kong Intl

Tue 1/9

20:10-20:30

1 stop15h 20m

£347

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 20 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 £519). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of £822). 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 below average for this route at the moment.

Hong Kong to San Francisco flights typically cost between £693 and £875 in September.
The cheapest return price found within the last 5 days was £557 on Delta (16 Sept–1 Dec).

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 2 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 £566, United Airlines can have you in San Francisco from Hong Kong in 13h 05m. Hong Kong and San Francisco are separated by a distance of 6910 mi. All flights are typically direct.
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 (80%), American Airlines (67%), Cathay Pacific( 67%).
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 £519). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of £822). 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.

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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 £341

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. 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 14 August 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 14 August 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 14 August 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 14 August 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 14 August 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 14 August 2026.

Last-minute flights from Hong Kong to San FranciscoDiscover last-minute flight deals from Hong Kong to San Francisco. Data last updated 14 August 2026 and is based on user searches.

Discover last-minute flight deals from Hong Kong to San Francisco. Data last updated 14 August 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 14 August 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 14 August 2026.

Find flight deals from Hong Kong to San Francisco

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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.

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 below average for this route at the moment.

Hong Kong to San Francisco flights typically cost between £693 and £875 in September.The cheapest return price found within the last 5 days was £557 on Delta (16 Sept–1 Dec).

Weekly flight availability from Hong Kong to San Francisco

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

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

About 16% of weekly flights between Hong Kong and San Francisco have experienced delays in the past year, with the average delay time being 124 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 evening 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, United Airlines have had the lowest number of delays on this route, with just 15% 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 14 August 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 14 August 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 14 August 2026.

Last-minute flights from Hong Kong to San Francisco
Discover last-minute flight deals from Hong Kong to San Francisco. Data last updated 14 August 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 14 August 2026.

Hong Kong to San Francisco flights typically cost between £693 and £875 in September.
The cheapest return price found within the last 5 days was £557 on Delta (16 Sept–1 Dec).