SFO - HKG

C$ 555 Find Cheap Flights from San Francisco to Hong Kong – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 1,226
Typical prices: C$ 1,248-C$ 1,887
Philippine Airlines
Thu 8/11Sun 11/11
SFO - HKG • 1 stop
Cheapest direct flights
C$ 1,913
Typical prices: C$ 1,460-C$ 2,060
Cathay Pacific
Sat 17/2Thu 15/3
SFO - HKG • Direct
Advice from real travellers
On this long-haul route, economy can feel cramped on United Airlines.
Pack cleaning wipes if you expect to use the toilet on Cathay Pacific.
Expert advice
+1
Expert advice
+1
Direct flights
You can fly direct with United Airlines and Cathay Pacific. Average duration is 15h 30m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 84% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 15% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 1,066 (round-trip)
Shortest trip • 16h 35m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy 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

Sun, 8 Nov - Wed, 11 Nov
Philippine Airlines Logo
10:40 p.m. - 9:55 p.m.SFO  San Francisco-HKG Hong Kong Intl
31h 15m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
1:30 p.m. - 7:45 p.m.HKG  Hong Kong Intl-SFO San Francisco
22h 15m1 stop Manila Ninoy Aquino Intl
C$ 1,226Philippine Airlines
Sun, 29 Nov - Wed, 27 Jan
AIR PREMIA Logo
3:20 p.m. - 12:05 p.m.SFO  San Francisco-HKG Hong Kong Intl
28h 45m1 stop Incheon Intl
AIR PREMIA Logo
1:40 p.m. - 1:20 p.m.HKG  Hong Kong Intl-SFO San Francisco
15h 40m1 stop Incheon Intl
C$ 1,242AIR PREMIA
Sun, 21 Mar - Thu, 22 Apr
Philippine Airlines Logo
11:40 p.m. - 9:55 p.m.SFO  San Francisco-HKG Hong Kong Intl
31h 15m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
11:10 a.m. - 9:10 p.m.HKG  Hong Kong Intl-SFO San Francisco
25h 00m1 stop Manila Ninoy Aquino Intl
C$ 1,280Philippine Airlines
Sat, 5 Dec - Fri, 22 Jan
AIR PREMIA Logo
3:20 p.m. - 12:05 p.m.SFO  San Francisco-HKG Hong Kong Intl
28h 45m1 stop Incheon Intl
AIR PREMIA Logo
1:40 p.m. - 1:20 p.m.HKG  Hong Kong Intl-SFO San Francisco
15h 40m1 stop Incheon Intl
C$ 1,284AIR PREMIA
Sun, 21 Mar - Sat, 17 Apr
Philippine Airlines Logo
11:40 p.m. - 9:55 p.m.SFO  San Francisco-HKG Hong Kong Intl
31h 15m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
11:10 a.m. - 9:10 p.m.HKG  Hong Kong Intl-SFO San Francisco
25h 00m1 stop Manila Ninoy Aquino Intl
C$ 1,322Philippine Airlines
Sat, 5 Dec - Wed, 20 Jan
AIR PREMIA Logo
3:20 p.m. - 12:05 p.m.SFO  San Francisco-HKG Hong Kong Intl
28h 45m1 stop Incheon Intl
AIR PREMIA Logo
1:40 p.m. - 1:20 p.m.HKG  Hong Kong Intl-SFO San Francisco
15h 40m1 stop Incheon Intl
C$ 1,326AIR PREMIA
Wed, 31 Mar - Wed, 28 Apr
Vietnam Airlines Logo
10:50 p.m. - 5:25 p.m.SFO  San Francisco-HKG Hong Kong Intl
27h 35m1 stop Ho Chi Minh City
Vietnam Airlines Logo
6:45 p.m. - 5:55 p.m.HKG  Hong Kong Intl-SFO San Francisco
38h 10m1 stop Ho Chi Minh City
C$ 1,390Vietnam Airlines
Thu, 18 Mar - Wed, 14 Apr
Vietnam Airlines Logo
10:10 p.m. - 5:25 p.m.SFO  San Francisco-HKG Hong Kong Intl
28h 15m1 stop Ho Chi Minh City
Vietnam Airlines Logo
6:45 p.m. - 5:55 p.m.HKG  Hong Kong Intl-SFO San Francisco
38h 10m1 stop Ho Chi Minh City
C$ 1,392Vietnam Airlines
Sun, 6 Dec - Sun, 17 Jan
AIR PREMIA Logo
3:20 p.m. - 12:05 p.m.SFO  San Francisco-HKG Hong Kong Intl
28h 45m1 stop Incheon Intl
AIR PREMIA Logo
1:40 p.m. - 1:20 p.m.HKG  Hong Kong Intl-SFO San Francisco
15h 40m1 stop Incheon Intl
C$ 1,396AIR PREMIA
Wed, 17 Feb - Mon, 15 Mar
Multiple Airlines Logo
3:20 p.m. - 12:05 p.m.SFO  San Francisco-HKG Hong Kong Intl
28h 45m1 stop Incheon Intl
Multiple Airlines Logo
12:55 a.m. - 10:15 p.m.HKG  Hong Kong Intl-SFO San Francisco
12h 20mdirect
C$ 1,423Multiple Airlines
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 with more confidence.

How much is a round-trip flight from San Francisco to Hong Kong?

Round-trip flights from San Francisco to Hong Kong typically range from C$ 1,248 to C$ 1,887. The lowest price found in the past 5 days was C$ 1,226, on Philippine Airlines.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from San Francisco to Hong Kong. It's 8% cheaper than the average day, while Friday is the most expensive, with prices 10% higher.

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

•February is the cheapest month to fly from San Francisco to Hong Kong at C$ 1,252 round-trip.
•December (C$ 2,076) and June (C$ 1,860) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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 15% 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
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

C$ 555
Beat the crowds with an average 39% drop in traveller numbers.
The most popular month to fly with an average 41% increase in traveller numbers.
One-way 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 travellers 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 answers about this route, including flight times, airports, airlines, and booking tips.

  • 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 11:25 am and lands at 2:55 am
    • Latest: departs at 11:55 pm and lands at 3:25 pm.

    The flight takes about 15h 30m.

  • Which 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 long does a flight from San Francisco to Hong Kong take?

    A direct flight from San Francisco to Hong Kong takes 15h 30m, covering 17,896 km.

  • 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 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 C$ 1,248 to C$ 1,887, with an average of C$ 1,504 over the past 12 months. Anything below C$ 1,248 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 8% above the C$ 1,504 route average. Book 4 weeks before departure for the lowest fares.

  • 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 direct options on average. Layover fares average C$ 1,066 round-trip via Beijing Capital (PEK), compared to C$ 1,756 for direct.

  • 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 Air India. Other aircraft seen on the route include Boeing 777 variants.

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

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

  • Which airlines offer Wi-Fi on San Francisco to Hong Kong flights?

    American Airlines is the only airline on the San Francisco to Hong Kong route offering in-flight Wi-Fi. Pricing depends on fare class.

  • 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 C$ 595, which is 28% below the typical average for this route.

  • 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).

  • What time of day has the fewest delays on flights from San Francisco to Hong Kong?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed on the route 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, 17% of flights were delayed in the past three months, with delays averaging 2h 15m.

  • 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) – 78% of one-stop connections
    • Incheon Intl (ICN) – 7% of one-stop connections
    • Vancouver Intl (YVR) – 6% of one-stop connections
    • Shanghai Pu Dong (PVG) – 4% of one-stop connections

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

    Yes. Flexible dates can save you up to 17% on flights from San Francisco to Hong Kong. Tuesday is the cheapest departure day at C$ 1,386 round-trip on average, while Friday is the most expensive at C$ 1,662, a difference of C$ 276.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from San Francisco to Hong Kong?

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

    • United Airlines
    • Cathay Pacific

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

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 16h 35m, compared with 17h 13m via Seattle/Tacoma Intl (SEA) and 17h 23m via Tokyo Narita (NRT).

  • 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.

  • Which popular places can I visit in Hong Kong?

    King's Park is one of the most viewed places in Hong Kong on KAYAK.

  • 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
    • ANA: offers free seat selection
    • Air India: offers free seat selection

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

  • 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 carry-on bag and a checked bag in Economy Class
    • United Airlines: a carry-on bag and a checked bag in Economy Class
    • EVA Air: a carry-on bag and a checked bag in Economy Class

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

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 are flexible, aim for a Tuesday departure and avoid flying on Friday. On this route, Tuesday flights average C$ 1,386, about C$ 276 less than Friday fares (17% 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 15% 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 February. Fares historically average C$ 1,252 round-trip in that month – typically C$ 824 less than the most expensive month, which is December (based on the last 12 months).
  • For the best chance of arriving on time, fly with Cathay Pacific. Over the past three months, 84% of Cathay Pacific flights from San Francisco to Hong Kong arrived on time, slightly above the route average of 83%. When flights on this route arrive late, they're delayed by an average of 2h 15m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Beijing Capital Airport (PEK) can be cheaper than flying direct. The cheapest layover option averages C$ 1,066 round-trip on this route – about C$ 690 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
    • Hong Kong Skycity Marriott Hotel
    • Regala Skycity Hotel by Regal Hotels

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 nonstop 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 nonstop flights

More options for your flight from San Francisco to Hong Kong

Complete your trip to Hong Kong with a hotel stay or car rental