$352 Find Cheap Flights from Hong Kong to San Francisco - Compare and Save

Passengers can bring one carry-on with a maximum weight of 15 lbs while EVA Air's checked luggage allowance depends on the passenger ticket class. Economy Class passengers on flights from Hong Kong to San Francisco can check two pieces weighing up to 50 lbs each. Premium Economy and Royal Laurel Class passengers on the same route can check two pieces weighing up to 60 lbs each.

BART (Bay Area Rapid Transit) connects SFO to downtown San Francisco. The trains run every 15–20 minutes from both the International Terminal and Terminal 1 and 2 stations. BART is a fast and affordable option, with a journey time of around 30–40 minutes. Shared shuttles are also available at SFO, and some companies offer door-to-door service.

Cathay Pacific offers several seat selection options for its passengers, depending on the type of ticket they have purchased and the passenger's frequent flyer status. Passengers can select their seats during the booking process or at any time before their flight from Hong Kong to San Francisco, subject to availability. Cathay Pacific may charge a fee for seat selection, depending on the seat preference.

All economy-class passengers on China Airlines flights from Hong Kong to San Francisco can enjoy a personal entertainment system, which allows them to choose from a wide selection of movies, TV shows, music, and games. Meals and refreshments are also provided, and the menus offer a range of options.

Among airlines operating Hong Kong to San Francisco flights:

• United Airlines: offers extra legroom; offers free seat selection
• Cathay Pacific: offers free seat selection
• American Airlines: offers free seat selection
• Asiana Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Hong Kong and San Francisco. The airlines offering nonstop flights on this route include:

• Cathay Pacific
• United Airlines

Flights from Hong Kong to San Francisco usually depart from Hong Kong Intl (HKG) and arrive at San Francisco (SFO).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Cathay Pacific: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Hong Kong to San Francisco:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $765 round-trip via Taipei City Taiwan Taoyuan Intl (TPE), compared to $867 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $94–$94 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 777-300ER family is used most often on this route, operated mainly by United Airlines and Cathay Pacific. Other aircraft seen on the route include Airbus A350-900 variants.

One-stop flights from Hong Kong to San Francisco most commonly connect through:

• Taipei City Taiwan Taoyuan Intl (TPE) - 81% of one-stop connections
• Manila Ninoy Aquino Intl (MNL) - 10% of one-stop connections
• Incheon Intl (ICN) - 4% of one-stop connections
• Vancouver Intl (YVR) - 4% of one-stop connections

Taipei City Taiwan Taoyuan Intl (TPE) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 21% on the Hong Kong to San Francisco route. Thursday is the cheapest departure day at $724 round-trip on average, while Friday is the most expensive at $914, a difference of $190. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Hong Kong to San Francisco route, 15% of flights were delayed in the past 3 months, with delays averaging 2 hours 0 minutes.

Night is the busiest departure period on Hong Kong to San Francisco flights, with 50% of flights leaving in that window. Morning departures account for 25%, afternoon flights for 25%, and evening flights for 0%.

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

These are the earliest and latest flight times available from Hong Kong to San Francisco:

• Earliest: departs at 12:55 am and lands at 1:20 pm
• Latest: departs at 10:30 pm and lands at 10:55 am.

The flight takes about 12h 25m.

Last-minute fares on this route - booked within 2 weeks of departure - run 4% above the route average of $771. Book 13 weeks before departure for the lowest fares.

A nonstop flight from Hong Kong to San Francisco takes 12h 25m, covering 6,910 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Hong Kong to San Francisco are currently lower than usual. Average one-way flight prices are about $456, which is 17% below the typical average for this route.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 17h 12m, compared with 17h 32m via Shanghai Pu Dong (PVG) and 17h 59m via Tokyo Narita (NRT).

San Francisco is 15 hours behind Hong Kong (Pacific Time vs Hong Kong Time). Plan for the time shift when scheduling connections or first-day activities.

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

Round-trip flights from Hong Kong to San Francisco range from $678 to $1,002, with an average of $771 over the past 12 months. Anything below $678 counts as a good deal.