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Cheap flights from Hong Kong to San Francisco from $654

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
2 Jan — 9 Jan1
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 35 days in advance, depart on a Tuesday or Monday and return on a Monday

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 3 December 2025.

Tue 23/1210:35HKG - SFO
Nonstop12h 25mUnited Airlines
Sun 4/122:35SFO - HKG
1 stop28h 40mUnited Airlines
Deal found 3/12$1,001
Thu 25/1222:30HKG - SFO
Nonstop12h 25mUnited Airlines
Wed 7/107:25SFO - HKG
1 stop19h 50mUnited Airlines
Deal found 2/12$1,004
Wed 3/1211:25HKG - SFO
2 stops37h 47mUnited Airlines
Tue 30/1206:00SFO - HKG
1 stop21h 15mUnited Airlines
Deal found 1/12$1,022
Tue 23/1219:45HKG - SFO
1 stop15h 15mSTARLUX Airlines
Wed 31/1223:10SFO - HKG
1 stop27h 20mSTARLUX Airlines
Deal found 1/12$1,054
Tue 23/1222:30HKG - SFO
Nonstop12h 25mUnited Airlines
Mon 5/111:40SFO - HKG
Nonstop15h 40mUnited Airlines
Deal found 3/12$1,069
Wed 24/1210:35HKG - SFO
Nonstop12h 25mUnited Airlines
Wed 31/1218:50SFO - HKG
1 stop20h 10mUnited Airlines
Deal found 1/12$1,071
Mon 22/1221:10HKG - SFO
1 stop25h 20mEVA Air
Fri 2/112:00SFO - HKG
1 stop29h 00mEVA Air
Deal found 3/12$1,072
Mon 22/1221:10HKG - SFO
1 stop25h 20mEVA Air
Tue 6/123:30SFO - HKG
1 stop20h 20mEVA Air
Deal found 1/12$1,074

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 3 December 2025.

Round-trip from

$1,001

One-way from

$654

Popular in

July

Cheapest in

September

Average price

$1,315
United Airlines
  • United Airlines
  • 12/3-19/3
  • 1 total stop
  • 33h 25m total
  • Hong Kong to San Francisco
Search Deals
29/1
  • 29/1
  • 2 total stops
  • 32h 11m total
  • Hong Kong to San Francisco
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($288 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($49 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 647,157 searches. Data last updated 3 December 2025.
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

Thu 25/12

22:30-18:55

Nonstop12h 25m

San Francisco

Tue 6/1

07:25-19:15

1 stop19h 50m

$1,001

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 4/3

10:35-07:00

Nonstop12h 25m

San Francisco

Wed 11/3

05:05-19:15

2 stops23h 10m

$1,001

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 23/12

22:30-18:55

Nonstop12h 25m

San Francisco

Tue 6/1

06:00-19:15

1 stop21h 15m

$1,001

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 5/2

10:35-07:00

Nonstop12h 25m

San Francisco

Mon 9/2

22:59-19:15

1 stop28h 16m

$1,007

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 21/1

22:45-14:53

2 stops32h 08m

San Francisco

Fri 30/1

13:25-19:15

1 stop37h 50m

$1,020

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 21/1

14:05-18:45

1 stop20h 40m

San Francisco

Mon 11/5

01:05-16:30

1 stop24h 25m

$1,039

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 24/1

19:45-19:00

1 stop15h 15m

San Francisco

Sun 10/5

00:50-09:55

1 stop18h 05m

$1,052

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 26/12

10:35-07:00

Nonstop12h 25m

San Francisco

Sat 3/1

23:15-06:45

Nonstop15h 30m

$1,069

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 23/12

22:30-18:55

Nonstop12h 25m

San Francisco

Sun 4/1

23:15-06:45

Nonstop15h 30m

$1,069

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 13/2

11:20-14:50

1 stop19h 30m

San Francisco

Fri 20/2

23:50-14:20

1 stop22h 30m

$1,071

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 23 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 28 November 2025.

To ensure you get the cheapest price possible for a flight from Hong Kong to San Francisco, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $937). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of $1,204). 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 3 December 2025.

When flying from Hong Kong to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    This flight path from Hong Kong Intl to San Francisco was viewed by 8 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?

    There are many flights that can get you from Hong Kong to San Francisco in 12h 25m. Fly via United Airlines or China Airlines to get the fastest option. There are 11121 km between Hong Kong and San Francisco. Both multi-stop and direct flights can be found to your destination and back.

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

    No one likes to see their flight delayed. When booking a flight from Hong Kong to San Francisco consider choosing American Airlines(88%), Cathay Pacific(88%) or Malaysia Airlines(88%), as they are the most reliable in getting you off to your destination on time.

  • 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 $937). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of $1,204). 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
Sausalito
Santa Cruz
Mountain View
Davis
Milpitas

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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?

Millions of users choose and trust Cheapflights to book the best flight deals from Hong Kong to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Hong Kong to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Hong Kong to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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