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Cheap flights from Hong Kong to San Francisco from £354

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
29 May — 5 Jun1
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 Saturday

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 29 April 2026.

Fri 19/611:45
HKG
-
SFO
Nonstop13h 05m
United Airlines
Sat 4/719:45
SFO
-
HKG
1 stop18h 55m
United Airlines
Deal found 27/4£522
Mon 22/622:30
HKG
-
SFO
Nonstop13h 05m
United Airlines
Mon 24/810:25
SFO
-
HKG
1 stop17h 05m
United Airlines
Deal found 28/4£525
Wed 17/611:45
HKG
-
SFO
Nonstop13h 05m
United Airlines
Fri 3/721:00
SFO
-
HKG
2 stops30h 30m
United Airlines
Deal found 28/4£526
Mon 22/621:45
HKG
-
SFO
1 stop24h 50m
United Airlines
Mon 6/713:45
SFO
-
HKG
Nonstop14h 10m
United Airlines
Deal found 27/4£528
Sun 31/500:45
HKG
-
SFO
2 stops38h 18m
Delta
Thu 6/816:39
SFO
-
HKG
1 stop21h 26m
Delta
Deal found 24/4£600
Fri 19/609:25
HKG
-
SFO
1 stop37h 58m
Delta
Sun 28/618:19
SFO
-
HKG
1 stop19h 46m
Delta
Deal found 29/4£602
Mon 22/609:25
HKG
-
SFO
1 stop37h 58m
Delta
Mon 24/816:15
SFO
-
HKG
1 stop21h 50m
Delta
Deal found 27/4£602
Wed 3/600:45
HKG
-
SFO
2 stops38h 12m
Delta
Thu 29/1006:00
SFO
-
HKG
2 stops26h 10m
Delta
Deal found 25/4£605
Tue 2/600:45
HKG
-
SFO
2 stops31h 12m
Delta
Wed 5/820:12
SFO
-
HKG
1 stop17h 53m
Delta
Deal found 24/4£608

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 29 April 2026.

Round-trip from

£522

One-way from

£354

Popular in

August

Cheapest in

September

Average price

£558
United Airlines
  • United Airlines
  • 19/6-4/7
  • 1 total stop
  • 32h 00m total
  • Hong Kong to San Francisco
Search Deals
Delta
  • Delta
  • 3/6
  • 2 total stops
  • 35h 45m total
  • Hong Kong to San Francisco
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£88 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 April 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 29 April 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

Fri 19/6

11:45-09:50

Nonstop13h 05m

San Francisco

Sat 4/7

19:45-05:40

1 stop18h 55m

£522

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 17/6

14:45-11:03

2 stops35h 18m

San Francisco

Fri 3/7

22:37-05:40

1 stop40h 03m

£651

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 11/6

12:20-00:06

2 stops26h 46m

San Francisco

Sat 11/7

05:55-22:45

2 stops25h 50m

£722

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 31/8

11:45-09:50

Nonstop13h 05m

San Francisco

Mon 16/11

08:45-19:15

1 stop18h 30m

£802

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 26/6

12:20-00:06

2 stops26h 46m

San Francisco

Fri 10/7

16:39-05:05

1 stop21h 26m

£853

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 13/5

12:40-14:52

1 stop17h 12m

San Francisco

Wed 13/5

23:00-05:00

Nonstop15h 00m

£907

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 8/7

01:25-13:35

1 stop27h 10m

San Francisco

Fri 14/8

11:00-15:10

2 stops37h 10m

£942

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 8/7

19:40-13:35

1 stop32h 55m

San Francisco

Fri 14/8

11:00-21:55

2 stops43h 55m

£942

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 9/5

12:20-22:27

2 stops25h 07m

San Francisco

Sun 31/5

05:55-10:55

2 stops38h 00m

£997
Fastest return journey

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 19/5

11:45-09:20

Nonstop12h 35m

San Francisco

Thu 4/6

23:50-05:00

Nonstop14h 10m

£1,160

Flights are sorted by cheapest return flights first.

Deals found on 26/4

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?

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, September is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of £517). Flying from Hong Kong to San Francisco in August is currently the most expensive (average of £816). 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 29 April 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 £522, 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. 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 (70%), Malaysia Airlines (70%), American Airlines( 68%).

  • 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, September is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of £517). Flying from Hong Kong to San Francisco in August is currently the most expensive (average of £816). 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

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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