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Cheap flights from Hong Kong to San Francisco from HK$3,360

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 30-5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
28 Apr — 5 May1
1 adult

Cheapflights Tip: The best prices from Hong Kong to San Francisco are usually found in March or February, booked 86 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Hong Kong to San Francisco

Keep the following information in mind while searching for Hong Kong to San Francisco flight deals. Data was last updated 23 April 2025.

Round-trip from

HK$5,478

One-way from

HK$3,360

Popular in

August

Cheapest in

March

Average price

HK$6,681

Good round-trip deal

HK$7,723 or less

Good one-way deal

HK$5,788 or less
星宇航空
  • 星宇航空
  • 6-6-5-9
  • 2 total stops
  • 42h 25m total
  • Hong Kong to San Francisco
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Air China
  • Air China
  • 30-5
  • 1 total stop
  • 29h 15m total
  • Hong Kong to San Francisco
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (HK$14,158 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$2,315 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Hong Kong to San Francisco.
Search Deals
Price to beat on a one-way flight from Hong Kong to San Francisco.
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Find flight deals from Hong Kong to San Francisco

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 April 2025.

Fri 6-620:10HKG - SFO
1 stop15h 20m星宇航空
Fri 5-900:50SFO - HKG
1 stop27h 05m星宇航空
Deal found 23-4HK$5,478
Sun 31-800:30HKG - SFO
1 stop30h 00mAsiana Airlines
Wed 17-923:30SFO - HKG
1 stop32h 20mAsiana Airlines
Deal found 22-4HK$5,493
Mon 1-914:00HKG - SFO
1 stop21h 30mChina Airlines
Tue 16-901:05SFO - HKG
1 stop24h 25mChina Airlines
Deal found 22-4HK$5,540
Fri 30-509:45HKG - SFO
1 stop18h 15mMultiple Airlines
Mon 14-715:30SFO - HKG
1 stop33h 05mMultiple Airlines
Deal found 22-4HK$5,703
Wed 1-1011:05HKG - SFO
1 stop23h 55mEVA Air
Sat 11-1012:30SFO - HKG
1 stop16h 25mEVA Air
Deal found 22-4HK$5,866
Wed 24-1200:55HKG - SFO
Nonstop12h 05mCathay Pacific
Wed 31-1223:35SFO - HKG
Nonstop15h 20mCathay Pacific
Deal found 23-4HK$6,316
Thu 24-422:30HKG - SFO
Nonstop12h 35mUnited Airlines
Wed 7-508:00SFO - HKG
1 stop17h 45mUnited Airlines
Deal found 23-4HK$6,409
Sun 29-618:00HKG - SFO
2 stops33h 20mAir Canada
Mon 8-1207:00SFO - HKG
1 stop19h 40mAir Canada
Deal found 23-4HK$6,525
Mon 22-1200:55HKG - SFO
1 stop24h 35mKorean Air
Sat 24-111:40SFO - HKG
1 stop31h 40mKorean Air
Deal found 22-4HK$6,587
Thu 5-600:45HKG - SFO
2 stops34h 16mDelta
Sun 7-910:00SFO - HKG
2 stops21h 30mDelta
Deal found 22-4HK$6,619
Wed 13-818:20HKG - SFO
1 stop17h 30mPhilippine Airlines
Wed 27-823:55SFO - HKG
1 stop19h 15mPhilippine Airlines
Deal found 23-4HK$7,053

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 70,647 searches. Data last updated 23 April 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

Departure

Return

Price

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 6-6

20:10-20:30

1 stop15h 20m

San Francisco

Fri 5-9

00:50-18:55

1 stop27h 05m

HK$5,478

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 31-8

00:30-15:30

1 stop30h 00m

San Francisco

Wed 17-9

23:30-22:50

1 stop32h 20m

HK$5,493

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 1-9

14:00-20:30

1 stop21h 30m

San Francisco

Tue 16-9

01:05-16:30

1 stop24h 25m

HK$5,540

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 30-5

09:45-13:00

1 stop18h 15m

San Francisco

Mon 14-7

15:30-15:35

1 stop33h 05m

HK$5,703

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 1-10

11:05-20:00

1 stop23h 55m

San Francisco

Sat 11-10

12:30-19:55

1 stop16h 25m

HK$5,866

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 16-6

19:55-17:50

Nonstop12h 55m

San Francisco

Sat 21-6

00:05-05:10

Nonstop14h 05m

HK$6,370

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 28-6

11:15-09:15

Nonstop13h 00m

San Francisco

Sun 27-7

10:50-05:40

1 stop27h 50m

HK$6,432

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 29-6

18:00-12:20

2 stops33h 20m

San Francisco

Mon 8-12

07:00-18:40

1 stop19h 40m

HK$6,525

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 5-6

00:45-20:01

2 stops34h 16m

San Francisco

Sat 13-9

06:05-22:30

2 stops25h 25m

HK$6,619

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 13-8

18:20-20:50

1 stop17h 30m

San Francisco

Wed 27-8

23:55-10:10

1 stop19h 15m

HK$7,053

Flights are sorted by cheapest return flights first.

Deals found on 22-4

Showing 1-10 of 23 results
1
2
3

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 18 April 2025.

The best time to book flights from Hong Kong to San Francisco is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Hong Kong to San Francisco?

Currently, March is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of HK$796). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of HK$1,461). 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 HK 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 April 2025.

It’s typically best to fly out from Hong Kong to San Francisco at midday. Doing so could potentially save you 33% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Hong Kong to San Francisco?

Use this chart to determine the cheapest time to fly return from Hong Kong to San Francisco. Price data was last updated on 30 March 2025.

Travellers seeking maximum savings on their Hong Kong to San Francisco flight should consider departing on Tuesday at midday when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Hong Kong to San Francisco

Explore weekly flight availability from Hong Kong to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 23 April 2025.

The most flights from HK0 to SFO are scheduled on a Sunday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

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.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 23 April 2025.
Peruse reviews from past customers who have flown with 星宇航空, EVA Air and Korean Air from Hong Kong to San Francisco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
9.1
Wonderful
Check prices

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
星宇航空
9.1
Wonderful
星宇航空
9.1
Wonderful
Check prices

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very Good
1,180 reviews
星宇航空
9.1
Wonderful
Check prices

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very Good
1,062 reviews
星宇航空
9.1
Wonderful
Check prices

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very Good
1,452 reviews
星宇航空
9.1
Wonderful
Check prices

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very Good
727 reviews
星宇航空
9.1
Wonderful
Check prices

Comfort

9.0

Boarding

9.0

Crew

9.3

Entertainment

9.0

Food

8.9

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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.

  • What airport do you fly into for flights to San Francisco from Hong Kong?

    If you book a flight to San Francisco from Hong Kong, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 19.0 km from the centre of San Francisco.

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

    Within the past month, 1,450 users have taken a look at flights from Hong Kong to San Francisco.

  • What are the cheapest airlines flying from Hong Kong to San Francisco round-trip?

    Our cheapest airline available from Hong Kong to San Francisco is 星宇航空. Our recent data shows that you can find tickets from as low as HK$5,478 on this airline. Additional options worth looking into are Asiana Airlines and China Airlines, starting at HK$5,493 and HK$5,540 round-trip. 星宇航空 is currently priced 28% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Hong Kong to San Francisco one-way?

    The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as HK$3,360. However, be on the lookout for offers from 星宇航空 and China Eastern, as they are both options that can get you from Hong Kong to San Francisco for a low price.

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

    The top 3 most reliable airlines when flying from Hong Kong to San Francisco are United Airlines (92%), American Airlines (92%) and Cathay Pacific (92%).

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

    Looking for the cheapest flight from Hong Kong to San Francisco? While on average our users pay HK$21,831, our data indicates the cheapest price to be HK$4,718. The most popular route (Hong Kong Intl - San Francisco), is priced around HK$4,361.

  • 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, March is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of HK$796). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of HK$1,461). 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 Hong Kong?

Book flights to Hong Kong if you plan to visit one of these locations
Sunnyvale
Newark
Rancho Cordova
Half Moon Bay
San Mateo
Burlingame
Mountain View
Seaside
San Ramon
Milpitas

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Hong Kong to San Francisco

Discover the top 9 airlines that operate flights from Hong Kong to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 23 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapestHK$4,854AverageHK$8,482FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapestHK$5,025AverageHK$5,591FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
星宇航空CheapestHK$5,515AverageHK$6,083FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
China AirlinesCheapestHK$5,521AverageHK$6,187FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air CanadaCheapestHK$5,820AverageHK$6,337FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
EVA AirCheapestHK$6,195AverageHK$6,821FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Cathay PacificCheapestHK$6,282AverageHK$7,012FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapestHK$6,485AverageHK$7,702FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapestHK$6,757AverageHK$9,458FlexibilityNo cancel feeOn-time79%
Search Japan Airlines 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 helps you search for flights from Hong Kong to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to San Francisco?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to San Francisco.

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.

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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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