Cathay Pacific
Tu, We, and Sa
starting at $853
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Hong Kong to San Francisco. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
In different months, ticket prices from Hong Kong to San Francisco vary: minimum — $464 (September 2026), maximum — $699 (August 2026). Typically, the flight costs $562–$1,165.
A non-stop flight is the most convenient and comfortable way to fly from Hong Kong to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Hong Kong to San Francisco is Cathay Pacific. Flights operate on Tuesday, Wednesday, and Saturday.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
On the Hong Kong — San Francisco route, prices first decline, hit a low, then start rising again. The middle of the period creates a price window — the best time to book.
Prices fall from May 2026 to June 2026 (4%), then rise from June 2026 to August 2026 (+46%). The best period is May 2026–June 2026 ($489), the most expensive is July 2026–August 2026 ($683).
The best time to buy is May 2026–June 2026, when prices are at their lowest. This can save you up to 28% compared to the expensive months (July 2026–August 2026).
Monthly price variation is 17.8%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
Cathay Pacific
Tu, We, and Sa
starting at $853
Hong Kong International Airport (HKG) is the city’s main international hub, handling long-haul and regional flights for full-service carriers and many low-cost airlines alike. It sits on reclaimed land near Lantau Island, roughly 30–40 km from Central Hong Kong; travel times to downtown are typically 25–35 minutes by Airport Express train, around 45–60 minutes by taxi depending on traffic, and about 60–90 minutes by public bus, with fares varying by mode. The airport is known for efficient connections, plentiful lounges, and extensive shopping, though it can be busy during peak periods and requires transfers across terminals for some services. HKG is usually viewed as convenient and well-served for international travel.
San Francisco International Airport (SFO) is the region’s primary international gateway and a major hub for full-service carriers, with numerous long-haul and transcontinental connections; it can be pricier than nearby secondary airports, though budget options are available. The airport sits about 13 miles (≈21 km) south of downtown San Francisco. Travelers typically reach the city by BART (Bay Area Rapid Transit) in roughly 30–40 minutes with fares generally in the low to mid single-digit dollars, by taxi or rideshare in 25–45 minutes depending on traffic with variable fares, or by airport shuttle and rental car. Pros: frequent long-haul flights, strong ground-transport links, and extensive amenities; cons: can be busy during peak hours and some terminals involve long walks between gates.
Hong Kong — San Francisco
05/31/2026
Departure
Direct flight
UA878
starting at $1,029
Hong Kong — San Francisco
06/10/2026
Departure
Direct flight
UA862
starting at $527
Hong Kong — San Francisco
08/03/2026
Departure
Direct flight
CX872
starting at $1,025
Hong Kong — San Francisco
06/11/2026
Departure
Direct flight
AA872
starting at $887
Hong Kong — San Francisco
06/14/2026
Departure
Direct flight
UA878
starting at $603
Hong Kong — San Francisco
07/04/2026
Departure
Direct flight
CX870
starting at $888
Hong Kong — San Francisco
07/05/2026
Departure
Direct flight
CX8929
starting at $1,586
starting at $527
starting at $888
starting at $887
starting at $443
starting at $447
starting at $551
starting at $611
starting at $660
The route Hong Kong — San Francisco is served by many carriers — 8 in total, including United Airlines, Cathay Pacific, American Airlines, Perimeter Aviation Ltd., Air China, Eva Air, Vietnam Airlines, and Philippine Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $443) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
The cheapest flight ticket from Hong Kong to San Francisco according to data for the last 48 hours costs $443
Often the best time to buy tickets from Hong Kong to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Hong Kong to San Francisco can be found flying in these months: September, June, May.
The fastest flights from Hong Kong to San Francisco start from 17 hours in the air.
The following airlines operate direct flights on the route Hong Kong — San Francisco: United Airlines, Cathay Pacific, American Airlines
The cheapest one-way flight from Hong Kong to San Francisco departs on 07/05/2026, is operated by Perimeter Aviation Ltd. and costs $443
There is no information about the cheapest roundtrip flight from Hong Kong to San Francisco
Fastest flight from Hong Kong to San Francisco takes 17 hours
There are direct flights on this route 5 days a week: Su, Mo, We, Th, and Sa
The distance between Hong Kong and San Francisco is 11098km (6881 miles). There are 16 direct flights from Hong Kong to San Francisco. The time difference between Hong Kong and San Francisco is 16h. Flights from Hong Kong begin at 11:45 AM. The latest flight from Hong Kong departs at 1:10 AM
We couldn't find any special offers for flights from Hong Kong to San Francisco
