Cheap flights from Hong Kong to San Francisco from $541

If you aren’t able to travel during the month of September, then book flights to San Francisco from Hong Kong during January instead. Flights to San Francisco in January, while not as cheap as those in September, still average around $999.

According to our data, Sunday is the cheapest day to fly to San Francisco from Hong Kong. The lowest ticket price found for a Sunday departure recently was $1,155. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to San Francisco for around $1,162.

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

You are more likely to see cheaper flights to San Francisco from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $1,153 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Hong Kong for as low as $977 on momondo.

There is only 1 cabin class available to choose from on Hong Kong Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, prices for Hong Kong to San Francisco flights are approximately 14% cheaper when compared to flights at the same time last year.

Historically, on average around 12% of flights between Hong Kong and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of March 2026, there are 12 flights per day flying from Hong Kong to San Francisco. The most common time of day flights depart is 01:00, with 43% of flights taking off in the morning.

As of March 2026, there are 89 flights per week flying from Hong Kong to San Francisco. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.