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$420+ Cheap flights from Hong Kong (HKG) to San Francisco (SFO)

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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Hong Kong Intl to San Francisco are usually found in March or June, booked 86 days in advance, depart on a Monday or Sunday 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 July 29, 2025.

Round-trip from

$689
(Gurufare)

One-way from

$420
(Booking.com)

Popular in

August

Cheapest in

March

Average price

$1,091

Good round-trip deal

$1,074 or less

Good one-way deal

$745 or less
From Hong Kong Intl to San Francisco
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One-way flight from Hong Kong Intl to San Francisco
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Highest demand for flights based on searches. 15% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Hong Kong Intl to San Francisco.
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Price to beat on a one-way flight from Hong Kong Intl 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 July 29, 2025.

This Gurufare deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:05 pmHKG - SFO
1 stop14h 40mChina Airlines
Thu 12/1111:40 pmSFO - HKG
1 stop17h 35mChina Airlines
Deal found 7/28$689
This Priceline deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:00 pmHKG - SFO
1 stop20h 09mAir Canada
Mon 9/151:05 pmSFO - HKG
2 stops36h 00mAir Canada
Deal found 7/27$696
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:00 pmHKG - SFO
2 stops24h 58mMultiple Airlines
Thu 11/611:40 pmSFO - HKG
1 stop17h 35mMultiple Airlines
Deal found 7/27$698
This Trip.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:30 pmHKG - SFO
Nonstop12h 40mUnited Airlines
Tue 9/166:00 amSFO - HKG
1 stop19h 45mUnited Airlines
Deal found 7/27$712
This Expedia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:55 pmHKG - SFO
Nonstop12h 55mCathay Pacific
Wed 9/1711:10 pmSFO - HKG
Nonstop15h 00mCathay Pacific
Deal found 7/28$715
This Jettzy deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:00 pmHKG - SFO
1 stop17h 30mAsiana Airlines
Sat 10/1811:30 pmSFO - HKG
1 stop21h 10mAsiana Airlines
Deal found 7/27$717
This Kissandfly.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/111:15 amHKG - SFO
Nonstop12h 40mLufthansa
Sun 9/146:00 amSFO - HKG
1 stop19h 45mLufthansa
Deal found 7/29$729
This iWofly deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:25 pmHKG - SFO
1 stop15h 35mEVA Air
Sat 10/2512:30 pmSFO - HKG
1 stop29h 30mEVA Air
Deal found 7/29$733
This Gotogate deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2911:20 amHKG - SFO
1 stop24h 30mPhilippine Airlines
Tue 9/211:55 pmSFO - HKG
1 stop26h 25mPhilippine Airlines
Deal found 7/27$746

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 29, 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

Sun 11/9

8:05 pm-6:45 pm

1 stop14h 40m

San Francisco

Thu 12/11

11:40 pm-9:15 am

1 stop17h 35m

$689

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 9/12

6:00 pm-11:09 pm

1 stop20h 09m

San Francisco

Mon 9/15

1:05 pm-4:05 pm

2 stops36h 00m

$696

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 10/10

2:00 pm-11:58 pm

2 stops24h 58m

San Francisco

Thu 11/6

11:40 pm-9:15 am

1 stop17h 35m

$698

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 9/8

10:30 pm-8:10 pm

Nonstop12h 40m

San Francisco

Tue 9/16

6:00 am-4:45 pm

1 stop19h 45m

$712

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 9/10

7:55 pm-5:50 pm

Nonstop12h 55m

San Francisco

Wed 9/17

11:10 pm-5:10 am

Nonstop15h 00m

$715

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 9/6

1:00 pm-3:30 pm

1 stop17h 30m

San Francisco

Sat 10/18

11:30 pm-11:40 am

1 stop21h 10m

$717

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 9/1

11:15 am-8:55 am

Nonstop12h 40m

San Francisco

Sun 9/14

6:00 am-4:45 pm

1 stop19h 45m

$729

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 9/6

1:30 pm-4:00 pm

1 stop17h 30m

San Francisco

Sat 11/8

12:00 pm-9:00 am

1 stop29h 00m

$733

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 8/29

11:20 am-8:50 pm

1 stop24h 30m

San Francisco

Tue 9/2

11:55 pm-5:20 pm

1 stop26h 25m

$746

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 11/29

6:40 pm-5:00 pm

1 stop38h 20m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 15 results
1
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The best insider tips for Hong Kong to San Francisco flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Hong Kong to San Francisco trip
Airlines
Cathay Pacific

Cathay Pacific Business class offers privacy doors on some Boeing 777 configurations.


Cathay Pacific Economy offers 32-inch seat pitch, exceeding many US airlines' economy standards.

Read more about Cathay Pacificby Yulia Denisyuk
United Airlines

United Polaris offers lie-flat seats and Saks Fifth Avenue bedding for ultimate comfort.


United Premium Plus includes 2 checked bags and priority check-in for international flights.

Read more about United Airlinesby Harriet Baskas
Airports
HKG

Security at HKG is efficient with advanced screening machines allowing you to leave liquids in bags, speeding up the process.

Read more about HKGby Gabriel Leigh
SFO

For a budget-friendly trip from SFO to downtown, take BART. It’s a 40-minute ride from the airport.

Read more about SFOby Harriet Baskas
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on Cathay Pacific

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on HKG

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

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 round-trip 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 round-trip flight from Hong Kong to San Francisco. Price data was last updated on July 25, 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, January is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of $276). Flying from Hong Kong to San Francisco in June is currently the most expensive (average of $358). 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 July 29, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Hong Kong to San Francisco by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Hong Kong to San Francisco. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Hong Kong to San Francisco flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday evenings 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 July 29, 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 (13 on average).

How much does it cost to fly round-trip from Hong Kong to San Francisco?

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 July 29, 2025.
Read through reviews of airlines operating flights from Hong Kong to San Francisco, such as STARLUX Airlines, EVA Air, and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Overall

9.0

Entertainment

9.0

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
198 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Overall

9.0

Entertainment

9.0

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 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
1,221 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Overall

9.0

Entertainment

9.0

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 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
754 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Overall

9.0

Entertainment

9.0

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Asiana Airlines
8.2
Very good
465 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Overall

9.0

Entertainment

9.0

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Cathay Pacific
7.6
Good
948 reviews
STARLUX Airlines
9.0
Wonderful
198 reviews

Comfort

8.9

Boarding

9.0

Overall

9.0

Entertainment

9.0

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 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.

  • 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 13 flights from Hong Kong Intl to San Francisco, all of which are around 12h 20m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Hong Kong Intl to San Francisco.

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

    Flights from Hong Kong Intl to San Francisco have been viewed 34 times in the past calendar month.

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

    Flying on China Airlines is currently your cheapest option to San Francisco, with prices starting at $689. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $696 and $712, respectively. These flights start at 25% 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?

    One-way options have recently been found by users for as low as $420 on Vietnam Airlines. Other airlines that offer cheap prices include China Airlines from $422 and STARLUX Airlines from $431 one-way.

  • 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 (94%), American Airlines (86%) and Cathay Pacific (86%).

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

    Looking at all options, your cheapest flight can be booked for $651. While the most popular route (Hong Kong Intl - San Francisco) can be booked for $596 on average our data indicates $3,153 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 vacation 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, January is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of $276). Flying from Hong Kong to San Francisco in June is currently the most expensive (average of $358). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
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Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Hong Kong to San Francisco

Discover the top 6 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 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
STARLUX AirlinesCheapest$653Average$772FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$657Average$688FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$700Average$794FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$751Average$824FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$786Average$894FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$792Average$1,033FlexibilityNo cancel feeOn-time69%

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