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$449+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
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 November, booked 86 days in advance, depart on a Sunday 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 June 14, 2025.

Round-trip from

$718
(oojo)

One-way from

$449
(Cheapflightsfares)

Popular in

August

Cheapest in

March

Average price

$839

Good round-trip deal

$813 or less

Good one-way deal

$719 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. 17% potential increase in price ($205 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 14, 2025.

This oojo deal was found by Cheapflights users on 6/13. 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.
Mon 6/169:10 pmHKG - SFO
1 stop24h 35mEVA Air
Sun 6/221:15 amSFO - HKG
1 stop16h 35mEVA Air
Deal found 6/13$718
This OneTravel deal was found by Cheapflights users on 6/13. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:00 pmHKG - SFO
2 stops33h 23mMultiple Airlines
Sun 10/58:31 amSFO - HKG
2 stops22h 54mMultiple Airlines
Deal found 6/13$726
This Asiana Airlines deal was found by Cheapflights users on 6/11. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:30 amHKG - SFO
1 stop30h 00mAsiana Airlines
Tue 7/1511:30 pmSFO - HKG
1 stop21h 10mAsiana Airlines
Deal found 6/11$728
This Trip.com deal was found by Cheapflights users on 6/13. 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.
Sat 6/288:10 pmHKG - SFO
1 stop14h 45mChina Airlines
Sat 7/121:05 amSFO - HKG
1 stop20h 55mChina Airlines
Deal found 6/13$731
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Fri 6/1311:15 amHKG - SFO
Nonstop13h 00mUnited Airlines
Sun 6/291:45 pmSFO - HKG
Nonstop14h 10mUnited Airlines
Deal found 6/12$732
This SmartFares deal was found by Cheapflights users on 6/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1812:50 amHKG - SFO
Nonstop13h 05mCathay Pacific
Wed 6/251:05 amSFO - HKG
Nonstop14h 15mCathay Pacific
Deal found 6/12$739
This STARLUX Airlines deal was found by Cheapflights users on 6/14. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/168:10 pmHKG - SFO
1 stop15h 20mSTARLUX Airlines
Mon 6/2312:50 amSFO - HKG
1 stop18h 05mSTARLUX Airlines
Deal found 6/14$740
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 pmHKG - SFO
2 stops32h 46mAir Canada
Mon 6/2311:40 amSFO - HKG
1 stop37h 25mAir Canada
Deal found 6/12$742
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:55 amHKG - SFO
1 stop24h 35mKorean Air
Sat 12/2711:40 amSFO - HKG
1 stop19h 30mKorean Air
Deal found 6/13$797
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/512:45 amHKG - SFO
2 stops37h 06mDelta
Sat 11/84:40 pmSFO - HKG
2 stops38h 30mDelta
Deal found 6/14$806
This ANA deal was found by Cheapflights users on 6/12. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/272:20 pmHKG - SFO
2 stops19h 30mANA
Tue 12/912:20 amSFO - HKG
1 stop20h 35mANA
Deal found 6/12$851
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Tue 7/2911:00 pmHKG - SFO
1 stop36h 50mPhilippine Airlines
Mon 8/1111:55 pmSFO - HKG
1 stop30h 55mPhilippine Airlines
Deal found 6/12$980

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 June 14, 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

Fri 6/27

11:05 am-6:45 am

1 stop34h 40m

San Francisco

Fri 7/18

1:25 am-8:50 am

1 stop16h 25m

$718

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 9/19

6:00 pm-7:38 pm

1 stop16h 38m

San Francisco

Sun 10/5

8:31 am-10:25 pm

2 stops22h 54m

$726

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 6/26

12:30 am-3:30 pm

1 stop30h 00m

San Francisco

Tue 7/15

11:30 pm-11:40 am

1 stop21h 10m

$728

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sat 6/28

8:10 pm-7:55 pm

1 stop14h 45m

San Francisco

Sat 7/12

1:05 am-1:00 pm

1 stop20h 55m

$731

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 9/17

1:25 pm-11:15 am

Nonstop12h 50m

San Francisco

Mon 9/29

12:20 am-6:20 am

Nonstop15h 00m

$739

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 6/24

8:10 pm-8:30 pm

1 stop15h 20m

San Francisco

Thu 6/26

12:50 am-9:55 am

1 stop18h 05m

$740

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 10/7

6:00 pm-3:35 pm

2 stops36h 35m

San Francisco

Wed 11/5

11:20 am-6:40 pm

1 stop39h 20m

$742

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 6/27

10:30 pm-8:25 pm

Nonstop12h 55m

San Francisco

Sun 7/13

1:45 pm-6:55 pm

Nonstop14h 10m

$754

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 9/16

12:45 am-10:40 am

1 stop24h 55m

San Francisco

Tue 9/30

12:50 pm-10:30 pm

1 stop18h 40m

$802

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 9/5

12:45 am-10:51 pm

2 stops37h 06m

San Francisco

Sat 11/8

4:40 pm-11:10 pm

2 stops38h 30m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 24 results
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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
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
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
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
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
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
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 June 13, 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 $364). 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 June 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from Hong Kong to San Francisco by exploring options for tickets in the afternoon.

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 June 8, 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. 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 June 14, 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 (12 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 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 14, 2025.
To help decide which airline to fly from Hong Kong to San Francisco, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

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
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

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
1,204 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

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.
Korean Air
8.4
Very good
1,091 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

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
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

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.
ANA
8.3
Very good
884 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Crew

9.3

Food

8.8

Overall

9.1

Entertainment

8.9

Comfort

9.0

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 05m 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 38 times in the past calendar month.

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

    Flying on EVA Air is currently your cheapest option to San Francisco, with prices starting at $718. Additional round-trip tickets that might be worth considering are offered by Asiana Airlines and China Airlines, with the lowest prices starting at $728 and $731, respectively. These flights start at 23% 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 $449 on Philippine Airlines. Other airlines that offer cheap prices include STARLUX Airlines from $457 and China Airlines from $462 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 MIAT Mongolian (99%), American Airlines (97%) and Cathay Pacific (97%).

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

    Looking at all options, your cheapest flight can be booked for $649. While the most popular route (Hong Kong Intl - San Francisco) can be booked for $620 on average our data indicates $2,945 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 $364). 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 Hong Kong?

Book flights to Hong Kong if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$657Average$690FlexibilityNo cancel feeOn-time76%
STARLUX AirlinesCheapest$660Average$765FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$731Average$795FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$759Average$834FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$787Average$903FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$793Average$1,086FlexibilityNo cancel feeOn-time69%

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