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Cheap flights from Hong Kong to San Francisco from HK$3,359

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 Intl 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

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 April 2025.

Round-trip from

HK$5,493

One-way from

HK$3,359

Popular in

August

Cheapest in

March

Average price

HK$6,680

Good round-trip deal

HK$7,722 or less

Good one-way deal

HK$5,787 or less
Asiana Airlines
  • Asiana Airlines
  • 24-5-27-8
  • 2 total stops
  • 51h 10m total
  • Hong Kong to San Francisco
Air China
  • Air China
  • 30-5
  • 1 total stop
  • 29h 15m total
  • Hong Kong to San Francisco
Highest demand for flights based on searches. 19% potential increase in price (HK$14,149 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (HK$2,314 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Hong Kong Intl to San Francisco.
Price to beat on a one-way flight from Hong Kong Intl to San Francisco.

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.

Sat 24-500:30HKG - SFO
1 stop30h 00mAsiana Airlines
Wed 27-823:30SFO - HKG
1 stop21h 10mAsiana Airlines
Deal found 22-4HK$5,493
Mon 9-620:10HKG - SFO
1 stop15h 20m星宇航空
Tue 17-600:50SFO - HKG
1 stop27h 05m星宇航空
Deal found 23-4HK$5,500
Wed 25-620:10HKG - SFO
1 stop14h 45mChina Airlines
Tue 9-901:05SFO - HKG
1 stop20h 55mChina Airlines
Deal found 22-4HK$5,539
Fri 30-509:45HKG - SFO
1 stop18h 15mMultiple Airlines
Mon 14-715:30SFO - HKG
1 stop33h 05mMultiple Airlines
Deal found 22-4HK$5,702
Wed 1-1011:05HKG - SFO
1 stop23h 55mEVA Air
Sat 11-1012:30SFO - HKG
1 stop16h 25mEVA Air
Deal found 22-4HK$5,865
Wed 1-1013:25HKG - SFO
Nonstop12h 50mCathay Pacific
Sat 11-1023:10SFO - HKG
Nonstop15h 00mCathay Pacific
Deal found 22-4HK$6,385
Sat 26-411:15HKG - SFO
Nonstop12h 35mUnited Airlines
Sun 4-510:35SFO - HKG
1 stop28h 05mUnited Airlines
Deal found 22-4HK$6,431
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
Mon 2-600:45HKG - SFO
2 stops34h 16mDelta
Tue 9-906:05SFO - HKG
2 stops25h 25mDelta
Deal found 22-4HK$6,618

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

Sat 24-5

00:30-15:30

1 stop30h 00m

San Francisco

Wed 27-8

23:30-11:40

1 stop21h 10m

HK$5,493

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 9-6

20:10-20:30

1 stop15h 20m

San Francisco

Tue 17-6

00:50-18:55

1 stop27h 05m

HK$5,500

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 25-6

20:10-19:55

1 stop14h 45m

San Francisco

Tue 9-9

01:05-13:00

1 stop20h 55m

HK$5,539

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$5,702

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$5,865

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 1-10

13:25-11:15

Nonstop12h 50m

San Francisco

Sat 11-10

23:10-05:10

Nonstop15h 00m

HK$6,385

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 26-6

18:55-17:44

1 stop37h 49m

San Francisco

Sat 12-7

13:45-18:55

Nonstop14h 10m

HK$6,470

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

Mon 2-6

12:20-20:01

2 stops22h 41m

San Francisco

Sun 7-9

10:00-22:30

2 stops21h 30m

HK$6,618

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 14-8

23:00-20:50

1 stop36h 50m

San Francisco

Sun 24-8

23:55-17:20

1 stop26h 25m

HK$7,727

Flights are sorted by cheapest return flights first.

Deals found on 22-4

Showing 1-10 of 26 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 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 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 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 HKG 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.
Read through reviews of airlines operating flights from Hong Kong to San Francisco, such as 星宇航空, EVA Air and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
9.1
Wonderful

Overall

9.1

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Crew

9.3

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

Overall

9.1

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Crew

9.3

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

Overall

9.1

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Crew

9.3

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

Overall

9.1

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Crew

9.3

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

Overall

9.1

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Crew

9.3

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

Overall

9.1

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Crew

9.3

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 airports do I use to fly from Hong Kong to San Francisco?

    Booking a flight from Hong Kong Intl (HKG) to San Francisco (SFO) is your only option if you wish to fly from Hong Kong to San Francisco. On a typical day, there are 10 flights from Hong Kong Intl to San Francisco, all of which are around 12h 35m for a nonstop flight. You can also purchase a plane ticket from 9 airlines when you book a flight from Hong Kong Intl to San Francisco.

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

  • 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 Asiana Airlines. Our recent data shows that you can find tickets from as low as HK$5,493 on this airline. Additional options worth looking into are 星宇航空 and China Airlines, starting at HK$5,500 and HK$5,539 round-trip. Asiana Airlines 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$3,359. 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 at all options, your cheapest flight can be booked for HK$4,717. While the most popular route (Hong Kong Intl - San Francisco) can be booked for HK$4,849 on average our data indicates HK$21,828 when flying from Hong Kong to San Francisco.

  • 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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Fly from Hong Kong to San Francisco on these airlines

Choose from the following airlines for your flight from Hong Kong to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 23 April 2025.

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$4,853AverageHK$8,480FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapestHK$5,024AverageHK$5,590FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
星宇航空CheapestHK$5,514AverageHK$6,082FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
China AirlinesCheapestHK$5,520AverageHK$6,186FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air CanadaCheapestHK$5,819AverageHK$6,336FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
EVA AirCheapestHK$6,194AverageHK$6,820FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Cathay PacificCheapestHK$6,281AverageHK$7,011FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapestHK$6,484AverageHK$7,701FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Japan AirlinesCheapestHK$6,757AverageHK$9,457FlexibilityNo 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?

Cheapflights simply makes it quick and affordable to book flights from Hong Kong to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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