SFO - HKG

$448 Find Cheap Flights from San Francisco to Hong Kong - Compare and Save

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Everything you should know

Cheapest round-trip
$803
Typical prices: $862-$1,302
Multiple Airlines
Mon 9/10Sun 9/30
SFO - HKG • 2 stops
Cheapest non-stop
$1,003
Typical prices: $983-$1,422
Cathay Pacific
Thu 10/11Wed 12/19
SFO - HKG • Non-stop
Advice from real travelers
Cathay Pacific economy adds value with two free checked bags on this route.
United Wi-Fi can be inconsistent, while SFO curbside check-in helps with luggage.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Cathay Pacific and United Airlines. Average duration is 14h 43m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 85% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 14% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $634 (round-trip)
Shortest trip • 16h 39m (one-way)
Insights
Insights
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We hope you love your trip to Hong Kong!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Hong Kong

Mon, Nov 2 - Wed, Nov 18
Multiple Airlines Logo
10:40 pm - 10:05 amSFO  San Francisco-HKG Hong Kong Intl
19h 25m1 stop Manila Ninoy Aquino Intl
Multiple Airlines Logo
1:40 pm - 1:20 pmHKG  Hong Kong Intl-SFO San Francisco
15h 40m1 stop Incheon Intl
$799Multiple Airlines
Thu, Sep 10 - Wed, Sep 30
Multiple Airlines Logo
9:03 am - 5:15 amSFO  San Francisco-HKG Hong Kong Intl
29h 12m2 stops Seattle/Tacoma Intl Tokyo Haneda
Multiple Airlines Logo
1:30 pm - 2:15 pmHKG  Hong Kong Intl-SFO San Francisco
15h 45m1 stop Incheon Intl
$803Multiple Airlines
Sun, Sep 13 - Sun, Oct 4
Air Canada Logo
4:30 pm - 5:15 amSFO  San Francisco-HKG Hong Kong Intl
21h 45m1 stop Vancouver Intl
Air Canada Logo
9:45 am - 10:20 amHKG  Hong Kong Intl-SFO San Francisco
39h 35m1 stop Vancouver Intl
$815Air Canada
Thu, Sep 10 - Thu, Oct 1
China Eastern Logo
12:00 pm - 9:05 pmSFO  San Francisco-HKG Hong Kong Intl
18h 05m1 stop Shanghai Pu Dong
China Eastern Logo
1:50 pm - 9:05 amHKG  Hong Kong Intl-SFO San Francisco
58h 15m2 stops Xi'an Xianyang Shanghai Pu Dong
$819China Eastern
Mon, Sep 7 - Thu, Oct 1
China Eastern Logo
12:00 pm - 9:05 pmSFO  San Francisco-HKG Hong Kong Intl
18h 05m1 stop Shanghai Pu Dong
China Eastern Logo
1:50 pm - 9:05 amHKG  Hong Kong Intl-SFO San Francisco
58h 15m2 stops Xi'an Xianyang Shanghai Hongqiao Intl
$819China Eastern
Sat, Oct 24 - Fri, Nov 20
Air China Logo
1:00 pm - 8:50 pmSFO  San Francisco-HKG Hong Kong Intl
40h 50m1 stop Beijing Capital
Air China Logo
5:50 pm - 9:30 amHKG  Hong Kong Intl-SFO San Francisco
31h 40m1 stop Beijing Capital
$826Air China
Sat, Nov 14 - Sun, Nov 22
AIR PREMIA Logo
3:20 pm - 11:55 amSFO  San Francisco-HKG Hong Kong Intl
28h 35m1 stop Incheon Intl
AIR PREMIA Logo
1:40 pm - 1:20 pmHKG  Hong Kong Intl-SFO San Francisco
15h 40m1 stop Incheon Intl
$832AIR PREMIA
Fri, Sep 18 - Mon, Sep 28
AIR PREMIA Logo
5:00 pm - 12:00 pmSFO  San Francisco-HKG Hong Kong Intl
28h 00m1 stop Incheon Intl
AIR PREMIA Logo
1:30 pm - 2:15 pmHKG  Hong Kong Intl-SFO San Francisco
15h 45m1 stop Incheon Intl
$832AIR PREMIA
Mon, Oct 12 - Thu, Dec 17
Air Canada Logo
7:30 pm - 5:15 amSFO  San Francisco-HKG Hong Kong Intl
18h 45m1 stop Vancouver Intl
Air Canada Logo
10:45 am - 1:51 pmHKG  Hong Kong Intl-SFO San Francisco
43h 06m1 stop Vancouver Intl
$836Air Canada
Wed, Dec 2 - Wed, Dec 9
Air China Logo
12:00 pm - 1:05 pmSFO  San Francisco-HKG Hong Kong Intl
33h 05m1 stop Beijing Capital
Air China Logo
8:30 am - 9:30 amHKG  Hong Kong Intl-SFO San Francisco
17h 00m1 stop Beijing Capital
$842Air China
Booking Insights

Price, demand and travel trends for San Francisco to Hong Kong flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Francisco to Hong Kong with more confidence.

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

Wednesday is the cheapest day of the week to fly from San Francisco to Hong Kong, it is 6% cheaper than the average day. Saturday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from San Francisco to Hong Kong at $875 round-trip.
  • December ($1,441) and June ($1,318) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 64% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Francisco to Hong Kong the cheapest?

Flights from San Francisco to Hong Kong are cheapest 4 weeks before departure. Booking in this window typically costs about 14% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from San Francisco to Hong Kong

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Chris Dong

Chris Dong

Expert on Cathay Pacific

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Robert Schrader

Robert Schrader

Expert on HKG

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.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing 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 favorite 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. She will always choose the window seat.

Key details for San Francisco to Hong Kong flights

Low season

August

Cheapest flight

$448
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from San Francisco to Hong Kong

When to book flights from San Francisco to Hong Kong

Are your dates flexible? Find out the best times to travel from San Francisco to Hong Kong based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

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

Insights shared by verified travelers who flew the route from San Francisco to Hong Kong 
ErnestFlew with Cathay Pacific-Jun 2026
Dress comfortably, no tight shoes, no tight clothes. It's a long haul.
LILLYFlew with United Airlines-May 2026
I recommend splurging for business class. A bit too cramped in economy.
Verified travelerFlew with Cathay Pacific-Sep 2024
Bring cleaning wipes with you if you intend to use the toilet.

Your San Francisco to Hong Kong flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Are there onsite hotels at Hong Kong International Airport?

    Yes, there is one onsite hotel and two hotels located just minutes from the airport. Regal Airport Hotel is connected to Terminal 1 of the airport and it is also just minutes away from the AsiaWorld-Expo convention center. Hong Kong SkyCity Marriott Hotel is also located directly adjacent to the airport and is just a few minutes’ walk or a complimentary shuttle bus away.

  • Can I fly from San Francisco to Hong Kong non-stop?

    San Francisco to Hong Kong is a popular route for many airlines and, as a result, numerous airlines offer nonstop flights from San Francisco to Hong Kong. Some of the airlines offering such flights include Cathay Pacific, Hong Kong Airlines, United Airlines, and Singapore Airlines. There are also one-stop flights offered by American Airlines, Asiana Airlines, and Air China through cities like Seoul, Los Angeles, and Beijing.

  • What is the quickest way from Hong Kong International Airport to Hong Kong Island?

    The Airport Express train is certainly the most convenient and quickest way to get from the airport to Hong Kong Island. There are also many shuttle buses available that go to a variety of locations in Hong Kong from the main island to outlying areas of the city.

  • Which terminal has the most dining options at Hong Kong International Airport?

    The dining options at Hong Kong International Airport are diverse and feature popular cuisines from all around the world. Terminal 1 features the bulk of these restaurants and cafes, as it is the main terminal of the airport. Conveniently for travelers, this is also the main departure terminal for the airport.

  • Which airlines should I book when flying with my kids from San Francisco to Hong Kong?

    Cathay Pacific is one of the highly-ranked airlines flying from San Francisco to Hong Kong among those traveling with their kids. The seats in all the airline’s cabins are spacious, with extra legroom to give you and your young ones ultimate comfort throughout the entire journey.

  • Are flights from San Francisco to Hong Kong pet-friendly?

    Although airlines flying to Hong Kong from San Francisco allow pets, it is a requirement of Hong Kong that you must have a special permit for your pet. However, airports along this route, including SFO, SJC, OAK, and Hong Kong International Airport (HKG), have pet-friendly policies with designated pet relief areas.

  • Which nearby cities can I get to from Hong Kong International Airport (HKG)?

    Hong Kong International Airport serves as the gateway to Hong Kong. However, in addition to serving Hong Kong, the airport serves several other nearby cities, including Dongguan, Shenzhen, and Zhongshan. You can connect to these cities flexibly from HKG using rental cars.

  • How can I catch up with the earliest flight from San Francisco to Hong Kong?

    Enjoy enhanced convenience when connecting to the SFO to catch up with the earliest flight from San Francisco to Hong Kong by spending the night at one of the hotels near the airport. A number of the hotels near SFO, for example San Francisco Airport Marriott Waterfron, airport offer free airport shuttle services to its visitors.

  • How can I get to a rental car center upon landing at Hong Kong International Airport?

    Travelers from San Francisco arriving at HKG have rental cars as one of the suitable transport options to get out of the airport. Avis and Hertz are among the major car agencies with their desks inside the airport, a short distance from the baggage claim area.

  • Is it convenient to land at Hong Kong International Airport (HKG) late at night?

    Yes. If you land at Hong Kong International Airport late at night, you can spend the remaining hours in the comfortable rest chairs in designated zones throughout the airport. You can also connect to one of the nearby hotels such as Regal Airport Hotel Hong Kong using the hotel’s free airport shuttles.

  • Which airlines offer extra legroom and free seat selection on San Francisco to Hong Kong flights?

    Among airlines operating San Francisco to Hong Kong flights:

    • Cathay Pacific: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • Singapore Airlines: offers free seat selection
    • Asiana Airlines: offers free seat selection
    • Air China: offers free seat selection

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

  • What airlines are available from San Francisco to Hong Kong?

    2 airlines operate flights between San Francisco and Hong Kong. The airlines offering nonstop flights on this route include:
    • Cathay Pacific
    • United Airlines

  • Which airports can I use when flying from San Francisco to Hong Kong?

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

  • Which airlines include bags at no extra cost on San Francisco to Hong Kong flights?

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

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

  • What cabin classes can I book on flights from San Francisco to Hong Kong?

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

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How much can I save by taking a layover when flying from San Francisco to Hong Kong?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $634 round-trip via Hong Kong Intl (HKG), compared to $1,168 for nonstop.

  • What is the standard checked-bag allowance on flights from San Francisco to Hong Kong?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $100–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Francisco to Hong Kong?

    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.

  • Which airports do connecting flights from San Francisco to Hong Kong pass through?

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

    • Taipei City Taiwan Taoyuan Intl (TPE) - 74% of one-stop connections
    • Vancouver Intl (YVR) - 9% of one-stop connections
    • Incheon Intl (ICN) - 7% of one-stop connections
    • Manila Ninoy Aquino Intl (MNL) - 5% of one-stop connections

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

  • Can I save money by using flexible dates for flights from San Francisco to Hong Kong?

    Yes. Being flexible with your travel dates can save you up to 14% on the San Francisco to Hong Kong route. Wednesday is the cheapest departure day at $975 round-trip on average, while Saturday is the most expensive at $1,133, a difference of $158. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from San Francisco to Hong Kong?

    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 San Francisco to Hong Kong route, 16% of flights were delayed in the past 3 months, with delays averaging 2 hours 16 minutes.

  • How are flight departures from San Francisco to Hong Kong spread across the day?

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

  • What popular places can I visit in Hong Kong?

    Some of the most popular sights in Hong Kong are China Hong Kong City Shopping Mall Kowloon, Hong Kong Convention and Exhibition Centre and Tsim Sha Tsui Station. These are among the most viewed places in Hong Kong on KAYAK.

  • How long is a flight from San Francisco to Hong Kong?

    A nonstop flight from San Francisco to Hong Kong takes 14h 43m, covering 6,910 miles.

  • What are the earliest and latest flights from San Francisco to Hong Kong?

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

    • Earliest: departs at 12:20 am and lands at 3:03 pm
    • Latest: departs at 11:55 pm and lands at 2:38 pm.

    The flight takes about 14h 43m.

  • How expensive are last-minute San Francisco to Hong Kong flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 8% above the route average of $1,037. Book 4 weeks before departure for the lowest fares.

  • Do I need a passport to fly from San Francisco to Hong Kong?

    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.

  • How are flight prices from San Francisco to Hong Kong looking right now?

    One-way fares from San Francisco to Hong Kong are currently lower than usual. Average one-way flight prices are about $453, which is 23% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from San Francisco to Hong Kong?

    Morning 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.

  • How much time can I save by choosing a different layover airport from San Francisco to Hong Kong?

    Flying via Hong Kong Intl (HKG) gives the shortest average 1-stop total travel time at 15h 54m, compared with 16h 39m via Taipei City Taiwan Taoyuan Intl (TPE) and 17h 13m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between San Francisco and Hong Kong?

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

  • How much should I expect to pay for a San Francisco to Hong Kong flight?

    Round-trip flights from San Francisco to Hong Kong range from $862 to $1,302, with an average of $1,037 over the past 12 months. Anything below $862 counts as a good deal.

Your guide to booking San Francisco to Hong Kong flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $975 - about $158 less than Saturday (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 4 weeks before you fly. On this route, that window historically saves about 14% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Francisco to Hong Kong trip for September. Fares historically average $875 round-trip in that month - typically $566 less than the most expensive month, which is December (based on the last 12 months).
  • If arriving on time is high on your priority list, Cathay Pacific is the strongest pick on this route. 85% of Cathay Pacific flights from San Francisco to Hong Kong arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 84%. When flights on this route do arrive late, the average delay is 2 hours 16 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Hong Kong Intl Airport (HKG) can be cheaper than flying direct. The cheapest layover option averages $634 round-trip on this route - about $534 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Hong Kong Intl Airport.
    - Regal Airport Hotel
    - Regala Skycity Hotel by Regal Hotels
    - Hong Kong Skycity Marriott Hotel
  • Looking to clean up before or after your flight? That’s easy at San Francisco International Airport, thanks to Freshen Up! Located in the International Terminal, Freshen up! offers services such as showers, nap rooms, and even ironing boards and irons.
  • San Francisco International Airport’s Aviation Museum & Library is a great diversion for travelers of all ages. There, visitors will find educational exhibits detailing the development of commercial aviation. The museum and library is located in the International Terminal (pre-security) and is open from 10:30 a.m. to 4:30 p.m.
  • Travelers with flights from San Francisco to Hong Kong who have children accompanying them may want to take advantage of San Francisco’s numerous children’s play areas. There are three children’s play areas in San Francisco International Airport, two in Terminal 3 and one in Terminal 2. There are also two children’s play areas in Terminal 1 of Hong Kong International Airport.
  • For travelers looking to get in a bit of last-minute exercise or movement in before your flight out of San Francisco, the yoga rooms at San Francisco International Airport are the perfect place. The two yoga rooms are located in Terminals 2 and 3 and they are both open 24 hours a day.
  • Privacy is a premium in airports but, fortunately for travelers passing through Hong Kong International Airport, private rooms are available for hire in the airport’s premium lounges. The Plaza Premium Lounges all have private rooms available along with shower facilities, WiFi, spa services, and even massages. There are three Plaza Premium Lounges in the airport, one in Terminal 1 East, one in Terminal 1 West, and one in the Arrivals area of Terminal 2.
  • Most of the flights from San Francisco to Hong Kong have San Francisco International Airport (SFO) as the departure airport, while a considerable number of flights depart from San Jose International Airport (SJC) and Oakland International Airport (OAK). It is easier to access SFO from different parts of San Francisco, which makes it a preferable airport among travelers compared to SJC and OAK.
  • If you are coming from downtown San Francisco, you can reliably use SamTrans Routes 292 and 398 to connect to SFO before catching up with your flight to Hong Kong. These buses take about 20 minutes to arrive at the airport from downtown San Francisco. In addition to these, you can use a taxi, which is faster despite being more expensive than buses.
  • Since SFO Airport serves as a hub for United Airlines and Alaska Airlines, booking any of these airlines when traveling to Hong Kong has a number of benefits. These airlines have the highest number of daily Hong Kong-bound flights, increasing the reliability of getting a flight that is convenient for your schedule. You will also enjoy world-class lounge amenities if you book either of these two airlines.

Prefer to fly direct from San Francisco to Hong Kong?

 
Find which airlines fly direct from San Francisco Airport to Hong Kong Intl Airport, which days they fly and book direct flights.

Direct departures

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

Direct returns

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

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

Other airlines flying from San Francisco to Hong Kong