HK$381+ Cheap flights from San Francisco

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17-12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — HKG
15 Nov — 22 Nov1
1 adult
1 adult, Economy

What to know about flights from San Francisco

Discover essential information about flights departing from San Francisco, including flight schedules, destinations, airlines operating at the San Francisco airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 16 October 2025.

Cheapest round-trip flight

HK$6,975

Cheapest airline

Frontier

Good round-trip deal

HK$1,380 or less

Good one-way deal

HK$459 or less
The cheapest round-trip flight from San Francisco is currently to Hong Kong Intl.
On average, Frontier currently has the cheapest one-way flight from San Francisco (avg. price of HK$511).
Price to beat on a round-trip flight from San Francisco.
Price to beat on a one-way flight from San Francisco.

Find flights from San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco
Explore the most affordable flight options available from San Francisco. Find the lowest fares based on data from user searches, with prices last updated on 16 October 2025.

Sat 29-1108:06SFO - LAX
Nonstop1h 34mFrontier
Sat 6-1212:03LAX - SFO
Nonstop1h 36mFrontier
Deal found 15-10HK$746
Tue 16-1208:25SFO - LAX
Nonstop1h 34mDelta
Tue 16-1216:20LAX - SFO
Nonstop1h 20mDelta
Deal found 15-10HK$754
Thu 20-1106:00SFO - LAX
Nonstop1h 31mDelta
Tue 2-1221:20LAX - SFO
Nonstop1h 28mDelta
Deal found 15-10HK$832
Thu 4-1215:33SFO - LAX
Nonstop1h 35mAlaska Airlines
Thu 4-1220:18LAX - SFO
Nonstop1h 26mAlaska Airlines
Deal found 15-10HK$863
Tue 2-1212:45SFO - LAX
Nonstop1h 25mSouthwest
Sun 7-1207:05LAX - SFO
Nonstop1h 30mSouthwest
Deal found 14-10HK$871
Tue 18-1114:05SFO - LAX
1 stop5h 25mSouthwest
Wed 19-1105:45LAX - SFO
1 stop5h 45mSouthwest
Deal found 15-10HK$902
Thu 20-1106:00SFO - LAX
Nonstop1h 31mDelta
Thu 20-1119:02LAX - SFO
Nonstop1h 24mDelta
Deal found 15-10HK$910
Thu 6-1105:50SFO - LAX
Nonstop1h 29mDelta
Mon 10-1106:00LAX - SFO
Nonstop1h 30mDelta
Deal found 15-10HK$917
Fri 5-1212:45SFO - LAX
Nonstop1h 25mSouthwest
Wed 10-1215:10LAX - SFO
1 stop6h 40mSouthwest
Deal found 16-10HK$949
Tue 2-1215:17SFO - LAX
Nonstop1h 27mAlaska Airlines
Thu 4-1208:02LAX - SFO
1 stop5h 34mAlaska Airlines
Deal found 14-10HK$964
Wed 12-1114:05SFO - LAX
1 stop7h 15mSouthwest
Wed 19-1105:45LAX - SFO
1 stop5h 45mSouthwest
Deal found 15-10HK$980
Thu 6-1106:00SFO - PDX
1 stop4h 30mDelta
Tue 11-1119:22PDX - SFO
1 stop4h 33mDelta
Deal found 16-10HK$1,065

Find flights from San Francisco within your budget

 
Find flights departing from San Francisco that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 16 October 2025. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Hong Kong

Route

Departure

Return

Price

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 2-12

07:30-08:55

Nonstop1h 25m

Los Angeles

Wed 3-12

17:15-21:50

1 stop4h 35m

HK$832

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 8-11

05:50-07:19

Nonstop1h 29m

Los Angeles

Sat 8-11

20:25-21:52

Nonstop1h 27m

HK$910

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 4-12

05:25-13:55

2 stops8h 30m

Los Angeles

Wed 10-12

18:50-20:10

Nonstop1h 20m

HK$949

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 5-12

12:45-14:10

Nonstop1h 25m

Los Angeles

Tue 9-12

17:15-21:50

1 stop4h 35m

HK$949

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 4-12

07:30-08:55

Nonstop1h 25m

Los Angeles

Thu 4-12

17:15-21:50

1 stop4h 35m

HK$987

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 31-1

19:00-20:28

Nonstop1h 28m

Los Angeles

Fri 6-2

19:55-21:25

Nonstop1h 30m

HK$1,018

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 27-11

06:00-07:35

Nonstop1h 35m

Los Angeles

Fri 28-11

08:04-09:47

Nonstop1h 43m

HK$1,026

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 6-11

12:35-14:04

Nonstop1h 29m

Los Angeles

Sun 9-11

08:17-09:44

Nonstop1h 27m

HK$1,026

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 4-12

05:25-13:55

2 stops8h 30m

Los Angeles

Mon 8-12

18:50-20:10

Nonstop1h 20m

HK$1,026

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 16-12

05:25-13:55

2 stops8h 30m

Los Angeles

Sun 11-1

10:00-11:30

Nonstop1h 30m

HK$1,057

Flights are sorted by cheapest return flights first.

Deals found on 13-10

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco

Have a flexible travel schedule? Discover the best time to fly from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco

Get recent, data-driven insights about flights from San Francisco including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Francisco?

Use this chart to determine the optimal time to book a return flight from San Francisco to Hong Kong. Price data was last updated on 10 October 2025.

The price you pay for your flight from San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco?

Currently, September is the cheapest month in which you can book a flight from San Francisco (average of HK$4,921). Flying from San Francisco in June will prove the most costly (average of HK$6,678). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from San Francisco

Get insights into the airlines that provide service from San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Francisco. In the last 7 days, Cheapflights users made a total of 70,647 searches.
Check out reviews from past customers who have flown 星宇航空, EVA Air, andCathay Pacific from San Francisco to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
星宇航空
8.9
Very Good
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
星宇航空
8.9
Very Good

Crew

9.2

Entertainment

8.8

Boarding

8.9

Food

8.7

Overall

8.9

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sept 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Browse thousands of different options on Cheapflights for your next trip

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Fly your favourite airline from San Francisco

Browse through various options for flying your favourite airline from San Francisco. Flight routes are based on user searches made on Cheapflights and were last updated on 16 October 2025.

Related info for your journey

Access useful and relevant information related to your journey from San Francisco. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 16 October 2025.
  • What are the most popular destinations to fly to from San Francisco?

    This month, the top selected destinations from San Francisco are Boston, Mumbai, Bengaluru. Throughout the year, Mumbai, Bengaluru, Boston are some of the top choices made by users flying from San Francisco.

  • What is the cheapest flight from San Francisco to anywhere?

    Users have flown out of San Francisco for as low as HK$198 to Vancouver Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$7,588 to fly from San Francisco.

  • What are the cheapest airlines flying from San Francisco to anywhere?

    Over the past few days, we've found that Frontier, United Airlines, and Alaska Airlines have the cheapest prices from San Francisco. Frontier flights from San Francisco to Las Vegas Harry Reid Intl (HK$251), United Airlines flights from San Francisco to Hong Kong Intl (HK$893), and Alaska Airlines flights from San Francisco to New York John F Kennedy Intl (HK$1,062).

  • What is the cheapest premium economy flight from San Francisco?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from San Francisco.
    Fly San Francisco to Seattle from HK$3,102
    Fly San Francisco to Denver from HK$6,961
    Fly San Francisco to Incheon Intl Airport from HK$9,763
    Fly San Francisco to New York John F Kennedy Intl Airport from HK$11,561

  • What is the cheapest first class flight from San Francisco?

    To fly first-class from San Francisco on a budget, select a flight to Toronto from HK$8,986.

  • What is the cheapest month to fly from San Francisco?

    Currently, the cheapest month for flights from San Francisco is September. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from San Francisco?

    Check out the cheapest flights from San Francisco to embark to:
    Fly from San Francisco to Hong Kong from HK$5,007 round trip

  • How does Cheapflights help users find flights from San Francisco?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Francisco?

    Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from San Francisco with no change fees?

    Need flexible booking options for your flight from San Francisco ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

    Not ready to book yet? You can track prices for flights from San Francisco on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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How does Cheapflights help users find flights from San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco?

Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco with no change fees?

Need flexible booking options for your flight from San Francisco ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

Not ready to book yet? You can track prices for flights from San Francisco on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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