Cheap flights from San Francisco to Hong Kong from $390

The month of February is, on average, the cheapest month to fly to Hong Kong from San Francisco, with most prices found around $885. The month of January is another great option to travel to Hong Kong, with average flight prices from San Francisco averaging around $891.

The cheapest day to depart from San Francisco to Hong Kong is on a Monday. Travelers who choose to depart for Hong Kong on a Monday will often find tickets for as low as $1,073. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,268.

The cheapest time of day to fly to Hong Kong is in the evening when flights can be purchased for as low as $1,075. At noon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,290 per ticket.

Fly from San Francisco to Hong Kong Intl for the best San Francisco - Hong Kong Intl flight prices

You are more likely to see cheaper flights to Hong Kong from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $1,043 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from San Francisco for as low as $961 on momondo.

There are 3 cabin classes available to choose from on San Francisco to Hong Kong flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 25% on your flight if you consider stops on a San Francisco to Hong Kong flight.

As of September 2026, prices for San Francisco to Hong Kong flights are approximately 33% cheaper when compared to flights at the same time last year.

Vietnam Airlines, Delta, and United Airlines are the most popular carriers operating from San Francisco to Hong Kong Intl

Cathay Pacific, United Airlines and China Airlines are the top three most popular airlines that fly to Hong Kong from San Francisco according to our data. Cathay Pacific is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Hong Kong. Keep in mind that there are 16 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between San Francisco and Hong Kong have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Cathay Pacific have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Taipei City (TPE) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via Shanghai (PVG) offer the lowest average round-trip price of $723.

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 17h 34m.

Taipei City (TPE) has the shortest average layover time for this route: 2h 08m.

As of September 2026, there are 10 flights per day flying from San Francisco to Hong Kong. The most common time of day flights depart is 1:00PM, with 50% of flights taking off in the afternoon.

As of September 2026, there are 70 flights per week flying from San Francisco to Hong Kong. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.