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Cheap flights from Hong Kong to San Francisco from £316

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
22 Apr — 29 Apr1
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 January, booked 80 days in advance, depart on a Monday or Tuesday and return on a Thursday

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 23 March 2026.

Tue 16/622:30
HKG
-
SFO
Nonstop13h 05m
United Airlines
Wed 29/716:25
SFO
-
HKG
1 stop22h 15m
United Airlines
Deal found 23/3£471
Sat 27/611:45
HKG
-
SFO
Nonstop13h 05m
United Airlines
Tue 1/919:49
SFO
-
HKG
1 stop18h 51m
United Airlines
Deal found 21/3£474
Fri 26/611:45
HKG
-
SFO
Nonstop13h 05m
United Airlines
Thu 9/721:00
SFO
-
HKG
2 stops30h 30m
United Airlines
Deal found 23/3£475
Mon 31/820:10
HKG
-
SFO
1 stop15h 20m
STARLUX Airlines
Sun 6/900:50
SFO
-
HKG
1 stop18h 05m
STARLUX Airlines
Deal found 19/3£510
Tue 16/612:20
HKG
-
SFO
2 stops22h 59m
Delta
Wed 29/720:59
SFO
-
HKG
2 stops34h 46m
Delta
Deal found 23/3£537
Thu 7/511:20
HKG
-
SFO
1 stop24h 10m
STARLUX Airlines
Mon 24/800:50
SFO
-
HKG
1 stop18h 05m
STARLUX Airlines
Deal found 22/3£546
Tue 5/511:20
HKG
-
SFO
1 stop24h 10m
STARLUX Airlines
Mon 16/1123:10
SFO
-
HKG
1 stop27h 20m
STARLUX Airlines
Deal found 22/3£547
Sun 3/510:10
HKG
-
SFO
1 stop21h 00m
EVA Air
Sun 10/512:30
SFO
-
HKG
1 stop16h 25m
EVA Air
Deal found 19/3£571
Fri 8/519:40
HKG
-
SFO
1 stop15h 30m
EVA Air
Mon 16/1123:30
SFO
-
HKG
1 stop17h 30m
EVA Air
Deal found 23/3£572

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 23 March 2026.

Round-trip from

£471

One-way from

£316

Popular in

August

Cheapest in

September

Average price

£540

Good one-way deal

£431 or less
United Airlines
  • United Airlines
  • 16/6-29/7
  • 2 total stops
  • 43h 14m total
  • Hong Kong to San Francisco
Search Deals
12/5
  • 12/5
  • 1 total stop
  • 16h 45m total
  • Hong Kong to San Francisco
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Hong Kong Intl to San Francisco.
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 23 March 2026.
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 - SFO

HKGSFO

Hong Kong Intl

Sat 27/6

11:45-09:50

Nonstop13h 05m

San Francisco

Tue 1/9

19:49-05:40

1 stop18h 51m

£474

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 3/5

10:10-16:10

1 stop21h 00m

San Francisco

Mon 24/8

01:25-08:50

1 stop16h 25m

£624

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 4/5

00:45-23:37

2 stops37h 52m

San Francisco

Tue 12/5

17:37-22:45

2 stops38h 08m

£786

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 2/7

12:40-14:53

1 stop17h 13m

San Francisco

Sun 12/7

01:40-12:25

1 stop19h 45m

£807
Fastest return journey

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 25/7

11:45-09:50

Nonstop13h 05m

San Francisco

Sat 1/8

13:45-18:55

Nonstop14h 10m

£888

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 28/6

00:45-15:11

2 stops29h 26m

San Francisco

Tue 22/12

11:40-11:20

1 stop31h 40m

£918

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 26/4

11:45-09:20

Nonstop12h 35m

San Francisco

Sat 9/5

18:25-05:40

1 stop20h 15m

£919

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 12/4

11:45-09:20

Nonstop12h 35m

San Francisco

Sun 19/4

22:45-18:30

1 stop28h 45m

£958

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 3/4

21:45-22:49

1 stop16h 04m

San Francisco

Thu 9/4

23:00-05:00

Nonstop15h 00m

£960

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 25/4

17:55-15:59

2 stops37h 04m

San Francisco

Sat 16/5

20:30-22:45

2 stops35h 15m

£1,016

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 23 resultsSorted by cheapest first
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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 13 March 2026.

Booking 80 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 £450). Flying from Hong Kong to San Francisco in August is currently the most expensive (average of £630). 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 23 March 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 3 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 £603, STARLUX Airlines can have you in San Francisco from Hong Kong in 12h 35m. 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: American Airlines (72%), Cathay Pacific (72%), Malaysia Airlines( 72%).

  • What are the cheapest flights from Hong Kong to San Francisco?

    On average you can expect to pay £431 for a flight from Hong Kong to San Francisco. The cheapest flight overall is £431 while the most popular route, (Hong Kong Intl - San Francisco) is currently priced at £541.

  • 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 £450). Flying from Hong Kong to San Francisco in August is currently the most expensive (average of £630). 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

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

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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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