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Cheap flights from Hong Kong to San Francisco from £348

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
5 May — 12 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 Thursday or Tuesday and return on a Wednesday

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 30 April 2025.

Round-trip from

£529

One-way from

£348

Popular in

August

Cheapest in

March

Average price

£641

Good round-trip deal

£1,322 or less

Good one-way deal

£539 or less
Asiana Airlines
  • Asiana Airlines
  • 25/10-8/11
  • 2 total stops
  • 60h 30m total
  • Hong Kong to San Francisco
China Airlines
  • China Airlines
  • 7/6
  • 1 total stop
  • 20h 55m total
  • Hong Kong to San Francisco
Highest demand for flights based on searches. 19% potential increase in price (£131 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£22 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 30 April 2025.

Sat 25/1000:30HKG - SFO
1 stop29h 30mAsiana Airlines
Sat 8/1123:30SFO - HKG
1 stop31h 00mAsiana Airlines
Deal found 28/4£529
Fri 13/620:10HKG - SFO
1 stop14h 45mChina Airlines
Sun 29/601:05SFO - HKG
1 stop24h 25mChina Airlines
Deal found 28/4£556
Tue 20/519:40HKG - SFO
1 stop15h 30mEVA Air
Sun 25/512:30SFO - HKG
1 stop16h 25mEVA Air
Deal found 28/4£566
Tue 20/521:10HKG - SFO
1 stop24h 35mMultiple Airlines
Sun 25/513:22SFO - HKG
2 stops29h 43mMultiple Airlines
Deal found 28/4£596
Mon 19/500:50HKG - SFO
Nonstop12h 50mCathay Pacific
Sun 25/512:55SFO - HKG
Nonstop15h 00mCathay Pacific
Deal found 28/4£612
Sat 3/520:10HKG - SFO
1 stop15h 20mSTARLUX Airlines
Fri 9/500:50SFO - HKG
1 stop18h 05mSTARLUX Airlines
Deal found 29/4£613
Wed 30/411:15HKG - SFO
Nonstop12h 35mUnited Airlines
Tue 6/513:30SFO - HKG
2 stops25h 10mUnited Airlines
Deal found 28/4£618
Mon 20/1012:20HKG - SFO
2 stops25h 10mDelta
Sat 8/1106:05SFO - HKG
2 stops25h 05mDelta
Deal found 28/4£636
Thu 11/1211:10HKG - SFO
1 stop25h 05mPhilippine Airlines
Thu 22/123:25SFO - HKG
1 stop25h 35mPhilippine Airlines
Deal found 29/4£638
Mon 5/512:20HKG - SFO
1 stop37h 20mKorean Air
Fri 16/507:00SFO - HKG
2 stops36h 40mKorean Air
Deal found 29/4£824
Mon 5/510:40HKG - SFO
2 stops28h 18mJapan Airlines
Mon 19/513:35SFO - HKG
1 stop17h 25mJapan Airlines
Deal found 29/4£827
Wed 24/918:45HKG - SFO
1 stop38h 55mVietnam Airlines
Sat 11/1022:50SFO - HKG
2 stops47h 40mVietnam Airlines
Deal found 29/4£876

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 30 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

Depart

Return

Price

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 25/10

00:30-15:00

1 stop29h 30m

San Francisco

Sat 8/11

23:30-22:30

1 stop31h 00m

£529

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 13/6

20:10-19:55

1 stop14h 45m

San Francisco

Sun 29/6

01:05-16:30

1 stop24h 25m

£556

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 20/5

19:40-20:10

1 stop15h 30m

San Francisco

Sun 25/5

12:30-19:55

1 stop16h 25m

£566

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 20/5

21:10-06:45

1 stop24h 35m

San Francisco

Sun 25/5

13:22-10:05

2 stops29h 43m

£596

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 19/5

00:50-22:40

Nonstop12h 50m

San Francisco

Sun 25/5

12:55-18:55

Nonstop15h 00m

£612

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

£618

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 20/10

00:45-23:53

2 stops38h 08m

San Francisco

Sun 9/11

20:00-23:10

2 stops35h 10m

£636

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 24/7

13:40-20:50

1 stop22h 10m

San Francisco

Sun 17/8

23:55-10:10

1 stop19h 15m

£733

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 30/5

00:45-07:53

2 stops46h 08m

San Francisco

Mon 14/7

13:10-22:30

1 stop18h 20m

£867

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 24/9

18:45-18:40

1 stop38h 55m

San Francisco

Sat 11/10

22:50-13:30

2 stops47h 40m

£876

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 24 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 25 April 2025.

Booking 86 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, February is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of £538). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of £803). 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 30 April 2025.

One of the essential ways to save on airfare from Hong Kong to San Francisco is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 9% on airfare.

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 30 April 2025.

The most flights from HKG to SFO are scheduled on a Sunday (14 on average). You will have fewer flight options on Wednesday, 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 30 April 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Hong Kong to San Francisco have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 1 airline 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?

    According to our current data, Asiana Airlines (£529), China Airlines (£556), and EVA Air (£566) offers the cheapest pricing from Hong Kong to San Francisco. Asiana Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as £348 on China Airlines. Other airlines that offer cheap prices include Philippine Airlines from £518 and Japan Airlines from £546 one-way.

  • 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 (92%), American Airlines (92%), Cathay Pacific( 92%).

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

    On average you can expect to pay £986 for a flight from Hong Kong to San Francisco. The cheapest flight overall is £539 while the most popular route, (Hong Kong Intl - San Francisco) is currently priced at £492.

  • 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, February is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of £538). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of £803). 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
Santa Cruz
Los Banos
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

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.

Top airline flying from Hong Kong to San Francisco

Discover the top airline 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 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£624Average£700FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Hong Kong to San Francisco?

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

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Yes! Cheapflights helps users easily find flights from Hong Kong to San Francisco with no change fees.

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