HKG - SFO

£298 Find Cheap Flights from Hong Kong to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Hong Kong to San Francisco departing on 20/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Hong Kong to San Francisco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Hong Kong to San Francisco, as well as popular online travel agencies
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Flight Deals
Expert advice
Booking Insights
Flight Deals

Cheap Flights from Hong Kong to San Francisco (HKG-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Hong Kong to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Hong Kong to San Francisco

Thu, 25 Sep - Wed, 15 Oct
China Airlines Logo
14:00 - 19:55HKG-SFO
20h 55m1 stop
China Airlines Logo
01:05 - 13:00SFO-HKG
20h 55m1 stop
£481China Airlines
Find Deal
Thu, 27 Nov - Wed, 10 Dec
China Airlines Logo
20:05 - 18:45HKG-SFO
14h 40m1 stop
China Airlines Logo
23:40 - 09:15SFO-HKG
17h 35m1 stop
£483China Airlines
Find Deal
Sun, 26 Oct - Fri, 7 Nov
Philippine Airlines Logo
22:45 - 20:30HKG-SFO
36h 45m1 stop
Philippine Airlines Logo
22:30 - 17:55SFO-HKG
27h 25m1 stop
£486Philippine Airlines
Find Deal
Sun, 26 Oct - Thu, 6 Nov
Asiana Airlines Logo
00:30 - 15:00HKG-SFO
29h 30m1 stop
Asiana Airlines Logo
23:30 - 22:30SFO-HKG
31h 00m1 stop
£494Asiana Airlines
Find Deal
Sun, 9 Nov - Sun, 23 Nov
United Airlines Logo
10:35 - 07:00HKG-SFO
12h 25mdirect
United Airlines Logo
13:25 - 07:00SFO-HKG
25h 35m1 stop
£509United Airlines
Find Deal
Sun, 26 Oct - Tue, 4 Nov
United Airlines Logo
10:35 - 08:00HKG-SFO
12h 25mdirect
United Airlines Logo
11:40 - 19:20SFO-HKG
15h 40mdirect
£510United Airlines
Find Deal
Sat, 18 Oct - Tue, 18 Nov
EVA Air Logo
15:25 - 16:00HKG-SFO
15h 35m1 stop
EVA Air Logo
23:30 - 10:10SFO-HKG
18h 40m1 stop
£512EVA Air
Find Deal
Thu, 19 Feb - Tue, 24 Feb
Asiana Airlines Logo
00:30 - 15:00HKG-SFO
30h 30m1 stop
Asiana Airlines Logo
23:30 - 22:30SFO-HKG
31h 00m1 stop
£541Asiana Airlines
Find Deal
Sun, 12 Oct - Sat, 22 Nov
Philippine Airlines Logo
23:00 - 20:50HKG-SFO
36h 50m1 stop
Philippine Airlines Logo
22:30 - 17:55SFO-HKG
27h 25m1 stop
£616Philippine Airlines
Find Deal
Tue, 14 Oct - Fri, 21 Nov
EVA Air Logo
17:10 - 20:00HKG-SFO
17h 50m1 stop
EVA Air Logo
12:00 - 10:10SFO-HKG
30h 10m1 stop
£633EVA Air
Find Deal

Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts and KAYAK users
For a smooth departure, use the Courtesy Channel at HKG.
Double check your boarding info on United flights.
Expert advice
Expert advice
+1
+1
Expert advice
Expert advice
+1
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 5% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
March
Cheapest • 12% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£481
Overall average: £625
China Airlines
Thu 25/9Wed 15/10
HKG - SFO • 1 stop
Cheapest direct flights
£509
Typical prices: £628-636
United Airlines
Sun 9/11Sun 23/11
HKG - SFO • Direct
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Expert advice

Expert advice for your flight from Hong Kong to San Francisco

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-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.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
HKG

For a smooth departure, use the Courtesy Channel if travelling with infants or seniors to bypass hectic security lines at HKG.

Read more about HKGby Robert Schrader
SFO

For a quick city transfer, take BART from SFO's International Terminal to reach popular areas like the Mission and Embarcadero.

Read more about SFOby Blane Bachelor
Our travel experts
Robert Schrader

Robert Schrader

Expert on HKG

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site, Leave Your Daily Hell, in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Read more
Booking Insights

KAYAK's insights & trends for Hong Kong to San Francisco flights

Get data-powered insights and trends into flights from Hong Kong to San Francisco to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Hong Kong to San Francisco?

The average price of all round-trip flights from Hong Kong to San Francisco clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to San Francisco on a Tuesday and more expensive on a Friday. On your return trip to Hong Kong, you should consider flying back on a Wednesday, and avoid Sundays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Hong Kong to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Hong Kong to San Francisco is March, where tickets cost £588 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £814 and £802 respectively.

Can I save money by flying with a stopover from Hong Kong to San Francisco?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £556 on average.

How far in advance should I book a flight from Hong Kong to San Francisco?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Hong Kong to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Hong Kong to San Francisco, you should book around 4 weeks before departure, which saves you about 5% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know - Cheap tickets from Hong Kong to San Francisco

Low seasonFebruary
Cheapest flight£298
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly and prices are also 12% lower on average.
Flight from Hong Kong to San Francisco

When to book flights from Hong Kong to San Francisco

Are your dates flexible? Find out the best times to travel from Hong Kong to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Hong Kong to San Francisco: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Hong Kong to San Francisco 
RamFlew with United AirlinesHKG-SFOFeb 2025
Fly United. Give yourself a lot of time to get to the gate
Verified travelerFlew with United AirlinesHKG-SFODec 2024
be careful of short connection time when reaching US.
Verified travelerFlew with Cathay PacificHKG-SFOSept 2024
Get there earlier if you are a transit passenger, there are stores and restaurants but we flew in almost midnight and most stores were closed. Be your own advocate and look around what other passengers are doing!
Verified travelerFlew with United AirlinesHKG-SFOSept 2024
Double check your boarding information in airport in time, like boarding gate, or boarding time, etc. because they might be updated.

FAQs for booking flights from Hong Kong to San Francisco

  • What is the cheapest flight from Hong Kong to San Francisco?

    In the last 3 days, the lowest price for a flight from Hong Kong to San Francisco was £403 for a one-way ticket and £652 for a return.

  • Which airlines offer Wi-Fi service onboard planes from Hong Kong to San Francisco?

    Thai Airways, and Air Canada offer inflight Wi-Fi service on the Hong Kong to San Francisco flight route.

  • Which aircraft models fly most regularly from Hong Kong to San Francisco?

    The Boeing 777-300ER is the aircraft model that flies most regularly on the Hong Kong to San Francisco flight route.

  • Which airline alliances offer flights from Hong Kong to San Francisco?

    oneworld, and Star Alliance are the airline alliances operating flights between Hong Kong and San Francisco, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Hong Kong to San Francisco?

    There are direct flights from Hong Kong to San Francisco on a daily basis.

  • How does KAYAK find such low prices on flights from Hong Kong to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Hong Kong to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Hong Kong to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Hong Kong is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Hong Kong to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to Hong Kong with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Hong Kong to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Hong Kong up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Hong Kong to San Francisco

  • Looking for a cheap flight from San Francisco to Hong Kong? 25% of our users found flights on this route for £687 or less one-way.

Prefer to fly direct from Hong Kong to San Francisco?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Hong Kong Intl to San Francisco.
Find which airlines fly direct from Hong Kong Intl Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Hong Kong Intl to San Francisco

Monday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Tuesday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Wednesday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Thursday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Friday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Saturday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Sunday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

See more direct flights

Direct returns

San Francisco to Hong Kong Intl

Monday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Tuesday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Wednesday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Thursday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Friday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Saturday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

Sunday

Cathay Pacific, United Airlines

Cathay Pacific, United Airlines

See more direct flights

Everything you need to know for your flight from Hong Kong to San Francisco

Information on your arrival and departure airports

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