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Cheap flights from Hong Kong to San Francisco from $665

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Hong Kong Intl to San Francisco are usually found in March or November, booked 86 days in advance, depart on a Wednesday or Tuesday 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 13 June 2025.

Round-trip from

$1,118

One-way from

$665

Popular in

August

Cheapest in

March

Average price

$1,288
Asiana Airlines
  • Asiana Airlines
  • 26/6-25/7
  • 2 total stops
  • 62h 20m total
  • Hong Kong to San Francisco
Search Deals
China Airlines
  • China Airlines
  • 29/6
  • 1 total stop
  • 24h 40m total
  • Hong Kong to San Francisco
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($494 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($91 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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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 13 June 2025.

Thu 26/600:30HKG - SFO
1 stop30h 00mAsiana Airlines
Fri 25/723:30SFO - HKG
1 stop32h 20mAsiana Airlines
Deal found 10/6$1,118
Sat 14/621:10HKG - SFO
1 stop24h 35mEVA Air
Mon 7/713:00SFO - HKG
1 stop15h 55mEVA Air
Deal found 11/6$1,130
Sun 29/610:15HKG - SFO
1 stop24h 40mChina Airlines
Sun 27/701:05SFO - HKG
1 stop17h 10mChina Airlines
Deal found 11/6$1,136
Fri 27/611:15HKG - SFO
Nonstop13h 00mUnited Airlines
Wed 23/713:45SFO - HKG
Nonstop14h 10mUnited Airlines
Deal found 10/6$1,157
Fri 13/600:50HKG - SFO
Nonstop13h 05mCathay Pacific
Sun 29/613:40SFO - HKG
Nonstop14h 15mCathay Pacific
Deal found 11/6$1,197
Tue 23/1200:55HKG - SFO
1 stop24h 35mKorean Air
Wed 31/1211:40SFO - HKG
1 stop19h 30mKorean Air
Deal found 12/6$1,231
Fri 5/912:20HKG - SFO
2 stops22h 37mDelta
Fri 19/917:00SFO - HKG
2 stops38h 30mDelta
Deal found 13/6$1,237
Mon 1/911:15HKG - SFO
Nonstop12h 40mMultiple Airlines
Tue 9/901:20SFO - HKG
1 stop20h 10mMultiple Airlines
Deal found 12/6$1,339
Thu 14/811:20HKG - SFO
1 stop24h 40mSTARLUX Airlines
Sat 23/800:50SFO - HKG
1 stop18h 05mSTARLUX Airlines
Deal found 12/6$1,475
Thu 14/813:40HKG - SFO
1 stop22h 10mPhilippine Airlines
Mon 25/823:55SFO - HKG
1 stop26h 25mPhilippine Airlines
Deal found 11/6$1,520
Tue 1/718:45HKG - SFO
1 stop38h 55mVietnam Airlines
Thu 31/722:50SFO - HKG
1 stop27h 35mVietnam Airlines
Deal found 11/6$1,589
Sat 9/809:30HKG - SFO
1 stop16h 25mANA
Sun 24/817:41SFO - HKG
2 stops27h 49mANA
Deal found 11/6$1,822

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 13 June 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 26/6

00:30-15:30

1 stop30h 00m

San Francisco

Sun 20/7

23:30-11:40

1 stop21h 10m

$1,118

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 29/6

10:15-19:55

1 stop24h 40m

San Francisco

Sun 27/7

01:05-09:15

1 stop17h 10m

$1,136

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 27/6

11:15-09:15

Nonstop13h 00m

San Francisco

Sun 20/7

16:13-05:40

1 stop22h 27m

$1,157

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 23/6

15:25-06:45

1 stop30h 20m

San Francisco

Sat 26/7

13:00-19:55

1 stop15h 55m

$1,162

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 27/6

00:50-22:55

Nonstop13h 05m

San Francisco

Sat 26/7

00:05-05:10

Nonstop14h 05m

$1,197

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 2/12

00:55-09:30

1 stop24h 35m

San Francisco

Tue 9/12

11:40-16:50

1 stop37h 10m

$1,233

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 5/9

12:20-19:57

2 stops22h 37m

San Francisco

Fri 19/9

17:00-22:30

2 stops38h 30m

$1,237

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 1/9

11:15-08:55

Nonstop12h 40m

San Francisco

Tue 9/9

01:20-12:30

1 stop20h 10m

$1,339

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 14/8

11:20-21:00

1 stop24h 40m

San Francisco

Sat 23/8

00:50-09:55

1 stop18h 05m

$1,475

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 14/8

13:40-20:50

1 stop22h 10m

San Francisco

Mon 25/8

23:55-17:20

1 stop26h 25m

$1,520

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 27 results
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2
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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 9 June 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 86 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, March is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of $876). Flying from Hong Kong to San Francisco in December is currently the most expensive (average of $1,375). 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 13 June 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 28% 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 13 June 2025.

The most flights from HKG to SFO are scheduled on a Tuesday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 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 13 June 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Hong Kong to San Francisco to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Entertainment

8.9

Food

8.8

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,June 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Entertainment

8.9

Food

8.8

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,June 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very Good
1,204 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Entertainment

8.9

Food

8.8

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,June 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very Good
1,091 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Entertainment

8.9

Food

8.8

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,June 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very Good
738 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Entertainment

8.9

Food

8.8

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,June 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.3
Very Good
882 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Overall

9.1

Entertainment

8.9

Food

8.8

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,June 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 20 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $1,118 on this airline. Additional options worth looking into are China Airlines and United Airlines, starting at $1,136 and $1,157 round-trip. These flights start at 22% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $665. EVA Air flights start at $981 while deals on Philippine Airlines start at $1,025 one-way.

  • 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 MIAT Mongolian(99%), American Airlines(97%) or Cathay Pacific(97%), 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, March is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of $876). Flying from Hong Kong to San Francisco in December is currently the most expensive (average of $1,375). 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
Los Gatos
Davis
Mountain View
Emeryville
Stanford
Sausalito
Daly City

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Alternative routes for Hong Kong to San Francisco

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