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Cheap flights from Hong Kong to San Francisco from $375

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to San Francisco departing on 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Hong Kong to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
STARLUX Airlines Logo
7:45 pm - 7:00 pm
HKG
-
SFO
15h 15m1 stop
STARLUX Airlines Logo
11:10 pm - 6:30 pm
SFO
-
HKG
27h 20m1 stop
$608STARLUX Airlines
Mon, Feb 9 - Mon, Feb 16
STARLUX Airlines Logo
11:15 am - 7:00 pm
HKG
-
SFO
23h 45m1 stop
STARLUX Airlines Logo
12:50 am - 9:55 am
SFO
-
HKG
18h 05m1 stop
$609STARLUX Airlines
Thu, Feb 5 - Wed, Apr 1
China Airlines Logo
2:05 pm - 6:45 pm
HKG
-
SFO
20h 40m1 stop
China Airlines Logo
1:05 am - 10:05 am
SFO
-
HKG
18h 00m1 stop
$618China Airlines
Wed, Feb 11 - Mon, Mar 30
United Airlines Logo
10:35 am - 7:00 am
HKG
-
SFO
12h 25mnonstop
United Airlines Logo
1:25 pm - 7:00 am
SFO
-
HKG
25h 35m2 stops
$621United Airlines
Mon, Jan 12 - Tue, Jan 27
STARLUX Airlines Logo
8:10 pm - 8:30 pm
HKG
-
SFO
15h 20m1 stop
STARLUX Airlines Logo
12:50 am - 6:55 pm
SFO
-
HKG
27h 05m1 stop
$622STARLUX Airlines
Mon, Apr 20 - Fri, Apr 24
United Airlines Logo
11:25 am - 11:43 am
HKG
-
SFO
40h 18m2 stops
United Airlines Logo
10:52 am - 7:00 am
SFO
-
HKG
28h 08m1 stop
$626United Airlines
Wed, Feb 4 - Sun, Feb 8
Asiana Airlines Logo
12:40 am - 2:00 pm
HKG
-
SFO
29h 20m1 stop
Asiana Airlines Logo
11:30 pm - 11:40 am
SFO
-
HKG
21h 10m1 stop
$636Asiana Airlines
Mon, Feb 9 - Mon, Mar 30
STARLUX Airlines Logo
7:45 pm - 7:00 pm
HKG
-
SFO
15h 15m1 stop
STARLUX Airlines Logo
11:10 pm - 10:10 am
SFO
-
HKG
19h 00m1 stop
$639STARLUX Airlines
Tue, Feb 3 - Tue, Mar 3
China Airlines Logo
8:05 pm - 6:45 pm
HKG
-
SFO
14h 40m1 stop
China Airlines Logo
11:40 pm - 9:15 am
SFO
-
HKG
17h 35m1 stop
$640China Airlines
Tue, Feb 3 - Wed, Feb 25
China Airlines Logo
8:05 pm - 6:45 pm
HKG
-
SFO
14h 40m1 stop
China Airlines Logo
1:05 am - 9:15 am
SFO
-
HKG
17h 10m1 stop
$641China Airlines
Sun, Feb 8 - Tue, Mar 31

Air Canada flights from Hong Kong to San Francisco

Our best Air Canada deals on Hong Kong to San Francisco flight tickets
Air Canada
Jan 21
HKG8:25 pmHong Kong Intl
37h 04m
2 stops
SFO5:29 pmSan Francisco
Jan 28
SFO8:33 amSan Francisco
42h 07m
2 stops
HKG6:40 pmHong Kong Intl
$660
Find similar
Air Canada
Jan 23
HKG8:25 pmHong Kong Intl
37h 04m
2 stops
SFO5:29 pmSan Francisco
Jan 30
SFO7:30 amSan Francisco
19h 10m
1 stop
HKG6:40 pmHong Kong Intl
$661
Find similar
Air Canada
May 8
HKG9:45 amHong Kong Intl
41h 28m
2 stops
SFO12:13 pmSan Francisco
Jul 7
SFO8:13 amSan Francisco
29h 57m
1 stop
HKG5:10 amHong Kong Intl
$680
Find similar

STARLUX Airlines flights from Hong Kong to San Francisco

Our best STARLUX Airlines deals on Hong Kong to San Francisco flight tickets
STARLUX Airlines
Feb 4
HKG7:45 pmHong Kong Intl
15h 15m
1 stop
SFO7:00 pmSan Francisco
Feb 8
SFO11:10 pmSan Francisco
19h 00m
1 stop
HKG10:10 amHong Kong Intl
$604
Find similar
STARLUX Airlines
Feb 9
HKG7:45 pmHong Kong Intl
15h 15m
1 stop
SFO7:00 pmSan Francisco
Feb 16
SFO11:10 pmSan Francisco
27h 20m
1 stop
HKG6:30 pmHong Kong Intl
$608
Find similar
STARLUX Airlines
Feb 3
HKG7:45 pmHong Kong Intl
15h 15m
1 stop
SFO7:00 pmSan Francisco
Mar 31
SFO12:50 amSan Francisco
18h 05m
1 stop
HKG9:55 amHong Kong Intl
$609
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Hong Kong to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 2/9

7:45 pm-7:00 pm

1 stop15h 15m

San Francisco

Mon 2/16

11:10 pm-6:30 pm

1 stop27h 20m

$608

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Thu 2/5

11:15 am-7:00 pm

1 stop23h 45m

San Francisco

Wed 4/1

12:50 am-9:55 am

1 stop18h 05m

$609

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 2/11

2:05 pm-6:45 pm

1 stop20h 40m

San Francisco

Mon 3/30

1:05 am-10:05 am

1 stop18h 00m

$618

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 1/12

10:35 am-7:00 am

Nonstop12h 25m

San Francisco

Tue 1/27

1:25 pm-7:00 am

2 stops25h 35m

$621

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 4/20

8:10 pm-8:30 pm

1 stop15h 20m

San Francisco

Fri 4/24

12:50 am-6:55 pm

1 stop27h 05m

$622

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Wed 2/4

11:25 am-11:43 am

2 stops40h 18m

San Francisco

Sun 2/8

10:52 am-7:00 am

1 stop28h 08m

$626

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Mon 2/9

12:40 am-2:00 pm

1 stop29h 20m

San Francisco

Mon 3/30

11:30 pm-11:40 am

1 stop21h 10m

$636

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 2/3

7:45 pm-7:00 pm

1 stop15h 15m

San Francisco

Tue 3/3

11:10 pm-10:10 am

1 stop19h 00m

$639

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Tue 2/3

8:05 pm-6:45 pm

1 stop14h 40m

San Francisco

Wed 2/25

11:40 pm-9:15 am

1 stop17h 35m

$640

Hong KongSan Francisco

HKG - SFO

HKGSFO

Hong Kong Intl

Sun 2/8

8:05 pm-6:45 pm

1 stop14h 40m

San Francisco

Tue 3/31

1:05 am-9:15 am

1 stop17h 10m

$641

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Hong Kong to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $740.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Hong Kong to San Francisco is on a Monday when prices can be found for as low as $937. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $1,185.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Hong Kong to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $993. Flights in the morning are often more expensive with an average ticket price of $1,030.

What is the cheapest Hong Kong Intl to San Francisco flight route?

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

How far in advance should I book a flight to San Francisco?

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 $858 when searching weeks out. 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 $772 on momondo.

What cabin class options are available on Hong Kong Intl to San Francisco flights?

There are 3 cabin classes 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.

How have Hong Kong to San Francisco flight prices changed over time?

As of December 2025, prices for Hong Kong to San Francisco flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Hong Kong to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hong Kong to San Francisco (HKG to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to San Francisco

Best Price Found

$671

Fastest flight time

12h 00m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Hong Kong in the past 72 hours is $671. The best round-trip flight deal from Hong Kong to San Francisco found on momondo in the last 72 hours is $658.
The fastest flight from Hong Kong to San Francisco takes 12h 00m
Direct flights go from Hong Kong to San Francisco every day.
There is 1 airport in San Francisco. From Hong Kong there are direct flights to San Francisco (SFO).
Search flight deals

  • How far is Hong Kong Intl to San Francisco by plane?

    Hong Kong Intl and San Francisco are 6889.1 mi apart from one another. Typically, this will take 12h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Hong Kong Intl Airport to San Francisco Airport?

    Prices for flights from Hong Kong Intl Airport to San Francisco Airport were last updated today.

  • How many operators does momondo search for flights from Hong Kong Intl Airport to San Francisco Airport?

  • How old do you have to be to fly from Hong Kong Intl Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hong Kong Intl Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Hong Kong to San Francisco?

  • What is the most popular airline from Hong Kong to San Francisco?

Best airlines flying from Hong Kong to San Francisco

Compare and see reviews for airlines that fly from Hong Kong to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Philippine AirlinesPriceFrom $581Free CancellationRating
7.3
942 reviews
Search Philippine Airlines flights
China AirlinesPriceFrom $590Free CancellationRating
8.3
795 reviews
Search China Airlines flights
STARLUX AirlinesPriceFrom $641Free CancellationRating
8.9
250 reviews
Search STARLUX Airlines flights
EVA AirPriceFrom $654Free CancellationRating
8.4
1,304 reviews
Search EVA Air flights
Asiana AirlinesPriceFrom $661Free CancellationRating
8.2
502 reviews
Search Asiana Airlines flights
Cathay PacificPriceFrom $685Free CancellationRating
7.6
1,109 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $690Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights

  • Cathay Pacific Flights From Hong Kong to San Francisco

    The lowest priced Cathay Pacific flight from Hong Kong to San Francisco from the last 72 hours was $685. Generally, Cathay Pacific has 17 flights on this route every week with an average price of $819. Cathay Pacific is rated 7.6/10 by our users.

  • United Airlines Flights From Hong Kong to San Francisco

    $690 is the best United Airlines flight deal from Hong Kong to San Francisco found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $862, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,113 user reviews) flies into San Francisco from Hong Kong 14 times in an average week so prices can vary.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Walnut Creek
Berkeley
Daly City
Fremont
Half Moon Bay
Vallejo
Livermore
Salinas
Sunnyvale
Pacifica

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to San Francisco for you.

Can I find flights from Hong Kong to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from Hong Kong with this policy.

How can momondo help me find flights from Hong Kong to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Hong Kong.

I’m not ready to book a flight from Hong Kong to San Francisco right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Hong Kong to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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