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Cheap flights from Hong Kong to San Francisco from £303

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to San Francisco are usually found in September or October, booked 88 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Hong Kong to San Francisco

Enter your travel dates to find the best prices.

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 21 January 2026.

Fri 6/311:15
HKG
-
SFO
1 stop23h 45m
STARLUX Airlines
Thu 12/300:10
SFO
-
HKG
1 stop19h 00m
STARLUX Airlines
Deal found 19/1£475
Fri 23/111:10
HKG
-
SFO
1 stop23h 35m
China Airlines
Mon 2/223:40
SFO
-
HKG
1 stop24h 55m
China Airlines
Deal found 19/1£499
Mon 14/917:35
HKG
-
SFO
1 stop17h 55m
China Airlines
Fri 25/901:05
SFO
-
HKG
1 stop18h 00m
China Airlines
Deal found 18/1£500
Mon 9/220:05
HKG
-
SFO
1 stop14h 40m
China Airlines
Wed 4/323:40
SFO
-
HKG
1 stop17h 35m
China Airlines
Deal found 20/1£514
Mon 2/211:15
HKG
-
SFO
1 stop23h 45m
STARLUX Airlines
Thu 5/223:10
SFO
-
HKG
1 stop27h 20m
STARLUX Airlines
Deal found 18/1£518
Tue 3/219:40
HKG
-
SFO
1 stop14h 50m
EVA Air
Fri 6/212:00
SFO
-
HKG
1 stop34h 20m
EVA Air
Deal found 19/1£521
Thu 12/220:25
HKG
-
SFO
1 stop31h 55m
Air Canada
Sat 21/213:20
SFO
-
HKG
1 stop37h 20m
Air Canada
Deal found 19/1£522
Wed 11/200:40
HKG
-
SFO
1 stop29h 20m
Asiana Airlines
Sun 1/323:50
SFO
-
HKG
1 stop30h 50m
Asiana Airlines
Deal found 19/1£523
Wed 11/200:40
HKG
-
SFO
1 stop29h 20m
Asiana Airlines
Mon 23/323:50
SFO
-
HKG
1 stop31h 50m
Asiana Airlines
Deal found 20/1£524
Thu 7/500:45
HKG
-
SFO
2 stops32h 50m
Delta
Sat 15/807:00
SFO
-
HKG
1 stop31h 00m
Delta
Deal found 20/1£525
Tue 20/110:35
HKG
-
SFO
Nonstop12h 25m
United Airlines
Tue 27/118:50
SFO
-
HKG
1 stop20h 10m
United Airlines
Deal found 19/1£526
Tue 10/210:35
HKG
-
SFO
Nonstop12h 25m
United Airlines
Wed 18/222:57
SFO
-
HKG
1 stop28h 18m
United Airlines
Deal found 20/1£529

Find flight deals from Hong Kong to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2026.

Round-trip from

£475

One-way from

£303

Popular in

July

Cheapest in

September

Average price

£610
STARLUX Airlines
  • STARLUX Airlines
  • 6/3-12/3
  • 2 total stops
  • 42h 45m total
  • Hong Kong to San Francisco
Search Deals
STARLUX Airlines
  • STARLUX Airlines
  • 16/5
  • 1 total stop
  • 15h 20m total
  • Hong Kong to San Francisco
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 21 January 2026.
Use the filters below to find and compare flights from Hong Kong to San Francisco that are best for you.

Fly from

Hong Kong

Fly to

San Francisco

Route

Depart

Return

Price

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 10/5

20:10-19:55

1 stop14h 45m

San Francisco

Thu 20/8

01:05-09:15

1 stop17h 10m

£514

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 8/2

11:10-18:45

1 stop23h 35m

San Francisco

Thu 5/3

23:40-16:35

1 stop24h 55m

£514

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 9/2

20:05-18:45

1 stop14h 40m

San Francisco

Mon 23/2

23:40-09:15

1 stop17h 35m

£514

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 23/3

10:35-08:00

Nonstop12h 25m

San Francisco

Sun 5/4

22:45-18:30

1 stop28h 45m

£526

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 7/2

00:55-23:30

2 stops38h 35m

San Francisco

Mon 2/3

05:55-23:10

2 stops25h 15m

£529

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 11/2

13:10-14:00

1 stop16h 50m

San Francisco

Fri 27/2

23:50-22:40

1 stop30h 50m

£533

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 3/2

10:35-07:00

Nonstop12h 25m

San Francisco

Fri 6/2

22:59-19:15

1 stop28h 16m

£544

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 10/2

19:40-18:30

1 stop14h 50m

San Francisco

Fri 27/2

12:00-10:10

1 stop30h 10m

£546

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 7/2

19:40-18:30

1 stop14h 50m

San Francisco

Sun 15/3

00:10-10:10

1 stop19h 00m

£546

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 2/2

11:25-12:00

1 stop16h 35m

San Francisco

Fri 27/2

11:40-19:20

Nonstop15h 40m

£548

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 21 results
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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.
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

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

Use this chart to determine the optimal time to book a return flight from Hong Kong to San Francisco. Price data was last updated on 16 January 2026.

Booking 88 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 £451). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of £587). 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?

Find hourly flight availability from Hong Kong to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2026.

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?

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The Hong Kong Intl to San Francisco flight path was viewed by 4 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 £544, China Airlines can have you in San Francisco from Hong Kong in 12h 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 (82%), American Airlines (71%), Cathay Pacific( 71%).

  • 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 £451). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of £587). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
San Bruno
Bodega Bay
South San Francisco
Sunnyvale
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hong Kong to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Los Angeles flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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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