Cheap flights from Hong Kong to San Francisco from HK$3,649

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 4-6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SFO
15 Jun — 22 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong to San Francisco are usually found in January or February, booked 87 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Hong Kong to San Francisco

Enter your travel dates to find the best prices.

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 16 May 2026.

Fri 26-611:45
HKG
-
SFO
Nonstop13h 05m
United Airlines
Fri 10-720:55
SFO
-
HKG
1 stop17h 45m
United Airlines
Deal found 13-5HK$5,528
Mon 22-622:30
HKG
-
SFO
Nonstop13h 05m
United Airlines
Mon 24-810:25
SFO
-
HKG
1 stop17h 05m
United Airlines
Deal found 11-5HK$5,560
Mon 22-622:30
HKG
-
SFO
Nonstop13h 05m
United Airlines
Fri 24-708:50
SFO
-
HKG
1 stop18h 40m
United Airlines
Deal found 13-5HK$5,568
Mon 22-611:45
HKG
-
SFO
Nonstop13h 05m
United Airlines
Mon 6-719:56
SFO
-
HKG
2 stops31h 34m
United Airlines
Deal found 11-5HK$5,575
Tue 16-614:45
HKG
-
SFO
1 stop16h 50m
United Airlines
Thu 16-710:19
SFO
-
HKG
1 stop17h 11m
United Airlines
Deal found 16-5HK$5,920
Mon 15-609:30
HKG
-
SFO
1 stop16h 10m
United Airlines
Fri 17-720:55
SFO
-
HKG
1 stop17h 45m
United Airlines
Deal found 16-5HK$5,943
Tue 16-612:20
HKG
-
SFO
2 stops26h 46m
Delta
Wed 15-720:00
SFO
-
HKG
1 stop18h 05m
Delta
Deal found 16-5HK$5,959
Sun 14-609:25
HKG
-
SFO
1 stop24h 33m
Delta
Thu 16-716:39
SFO
-
HKG
1 stop21h 26m
Delta
Deal found 16-5HK$5,975
Fri 12-612:20
HKG
-
SFO
2 stops26h 46m
Delta
Thu 10-906:00
SFO
-
HKG
2 stops25h 45m
Delta
Deal found 15-5HK$6,014

Find flight deals from Hong Kong to San Francisco

Keep the following information in mind while searching for Hong Kong to San Francisco flight deals. Data was last updated 16 May 2026.

Round-trip from

HK$5,528

One-way from

HK$3,649

Popular in

August

Cheapest in

January

Average price

HK$7,016

Good round-trip deal

HK$9,389 or less

Good one-way deal

HK$4,361 or less
United Airlines
  • United Airlines
  • 26-6-10-7
  • 1 total stop
  • 30h 50m total
  • Hong Kong to San Francisco
Philippine Airlines
  • Philippine Airlines
  • 4-6
  • 1 total stop
  • 24h 40m total
  • Hong Kong to San Francisco
Highest demand for flights based on searches. 16% potential increase in price (HK$9,452 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (HK$1,581 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Hong Kong to San Francisco.
Price to beat on a one-way flight from Hong Kong to San Francisco.

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 16 May 2026.
Use the filters below to find and compare flights from Hong Kong to San Francisco that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 26-6

11:45-09:50

Nonstop13h 05m

San Francisco

Fri 10-7

20:55-05:40

1 stop17h 45m

HK$5,528

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 26-6

11:45-09:50

Nonstop13h 05m

San Francisco

Sat 11-7

06:00-18:30

1 stop21h 30m

HK$5,528

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 7-6

00:45-20:19

2 stops34h 34m

San Francisco

Wed 15-7

09:20-05:05

1 stop28h 45m

HK$6,358

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 11-6

12:20-00:06

2 stops26h 46m

San Francisco

Fri 17-7

09:20-05:05

1 stop28h 45m

HK$6,358

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 12-6

09:25-08:23

1 stop37h 58m

San Francisco

Thu 10-9

06:00-22:45

2 stops25h 45m

HK$6,429

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 26-6

09:25-21:50

1 stop27h 25m

San Francisco

Fri 10-7

05:50-22:45

2 stops25h 55m

HK$6,429
Fastest return journey

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 1-11

10:35-08:05

Nonstop12h 30m

San Francisco

Tue 3-11

11:45-19:20

Nonstop15h 35m

HK$7,071

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Fri 29-5

11:05-16:10

1 stop20h 05m

San Francisco

Wed 15-7

01:25-08:50

1 stop16h 25m

HK$7,079

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 29-6

11:45-09:50

Nonstop13h 05m

San Francisco

Thu 27-8

21:25-05:40

1 stop17h 15m

HK$7,149

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 28-10

00:55-20:02

2 stops34h 07m

San Francisco

Sun 15-11

18:50-07:40

1 stop20h 50m

HK$7,494

Flights are sorted by cheapest return flights first.

Deals found on 11-5

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

The best time to book flights from Hong Kong to San Francisco is 78 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, April is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of HK$3,398). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of HK$6,217). 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 HK 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 16 May 2026.

When flying from Hong Kong to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 16 May 2026.

The most flights from HK0 to SFO are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How often are flights from Hong Kong to San Francisco delayed?

About 14% of weekly flights between Hong Kong and San Francisco have experienced delays in the past year, with the average delay time being 127 minutes.

What is the most punctual flight time for Hong Kong to San Francisco flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Hong Kong to San Francisco flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 16 May 2026.
Get a feel of what it's like to fly with 星宇航空,EVA Air, andChina Airlines from Hong Kong to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
星宇航空
8.9
Very Good
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Overall

8.9

Food

8.7

Comfort

8.9

Boarding

9.0

Reviews

1 / 12
10.0
Excellent

ember j,Apr 2026

TPE - ONT

Amazing how an airline can elevate service by just modernizing structures such as the massage chairs in the boarding areas to the massive airbus with the rolls Royce engines with the electrochromatic windows ! And not to mention the flawless service of the aircrew even with the language difference. I’ll definitely fly with starlux again

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 airport do you fly into for flights to San Francisco from Hong Kong?

    If you book a flight to San Francisco from Hong Kong, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 17.7 km from the centre of San Francisco.

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

  • How long is the flight from Hong Kong to San Francisco?

    For as low as HK$5,528, United Airlines can have you in San Francisco from Hong Kong in 13h 05m. Hong Kong and San Francisco are separated by a distance of 11121 km. Generally, flights for this route are direct.

  • 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 Air Canada. Our recent data shows that you can find tickets from as low as HK$4,578 on this airline. Additional options worth looking into are 星宇航空 and EVA Air, starting at HK$4,704 and HK$4,771 round-trip. Air Canada is currently priced 27% 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 星宇航空, with whom users have recently found tickets for as low as HK$2,851. However, be on the lookout for offers from EVA Air and China Airlines, 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 MIAT Mongolian (80%), Malaysia Airlines (80%) and American Airlines (78%).

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

    Looking for the cheapest flight from Hong Kong to San Francisco? While on average our users pay HK$9,145, our data indicates the cheapest price to be HK$4,359. The most popular route (Hong Kong Intl - San Francisco), is priced around HK$5,528.

  • 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, April is the cheapest month in which you can book a flight from Hong Kong to San Francisco (average of HK$3,398). Flying from Hong Kong to San Francisco in July is currently the most expensive (average of HK$6,217). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Newark
Half Moon Bay
San Mateo
Seaside
San Ramon
Milpitas
Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Hong Kong to San Francisco

Discover the top 7 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 16 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestHK$4,578AverageHK$6,609FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
星宇航空CheapestHK$4,704AverageHK$5,523FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
EVA AirCheapestHK$4,771AverageHK$5,635FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Philippine AirlinesCheapestHK$4,782AverageHK$7,218FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
China AirlinesCheapestHK$4,831AverageHK$5,226FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Cathay PacificCheapestHK$4,985AverageHK$6,397FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapestHK$5,405AverageHK$7,318FlexibilityNo cancel feeOn-time69%
Search United 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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to San Francisco.

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.

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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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