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HK$397+ 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 25-10. 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 Oct — 22 Oct1
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 15 September 2025.

Cheapest round-trip flight

HK$6,019

Cheapest airline

Frontier

Good round-trip deal

HK$1,732 or less

Good one-way deal

HK$307 or less
The cheapest round-trip flight from San Francisco is currently to Hong Kong Intl.
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On average, Frontier currently has the cheapest one-way flight from San Francisco (avg. price of HK$611).
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Price to beat on a round-trip flight from San Francisco.
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Price to beat on a one-way flight from San Francisco.
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Find flights from San Francisco

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 15 September 2025.

Wed 8-1006:10SFO - LAX
Nonstop1h 25mSouthwest
Wed 8-1012:50LAX - SFO
Nonstop1h 20mSouthwest
Deal found 12-9HK$576
Sat 25-1007:15SFO - LAX
Nonstop1h 25mSouthwest
Sat 25-1017:40LAX - SFO
Nonstop1h 20mSouthwest
Deal found 12-9HK$646
Wed 8-1010:59SFO - LAX
Nonstop1h 45mAlaska Airlines
Wed 8-1015:25LAX - SFO
Nonstop1h 42mAlaska Airlines
Deal found 13-9HK$716
Wed 7-113:00SFO - LAX
Nonstop1h 30mDelta
Tue 13-120:45LAX - SFO
Nonstop1h 27mDelta
Deal found 14-9HK$754
Tue 21-1005:30SFO - LAX
2 stops8h 30mSouthwest
Thu 23-1006:00LAX - SFO
Nonstop1h 30mSouthwest
Deal found 13-9HK$762
Tue 30-910:50SFO - LAX
Nonstop1h 35mUnited Airlines
Wed 1-1017:39LAX - SFO
Nonstop1h 26mUnited Airlines
Deal found 12-9HK$786
Thu 6-1105:45SFO - LAX
1 stop7h 22mFrontier
Mon 10-1118:29LAX - SFO
Nonstop1h 41mFrontier
Deal found 13-9HK$801
Wed 29-1018:28SFO - LAX
Nonstop1h 32mFrontier
Wed 5-1115:27LAX - SFO
1 stop5h 55mFrontier
Deal found 14-9HK$817
Sat 27-1206:35SFO - LAX
Nonstop1h 25mSouthwest
Wed 31-1206:15LAX - SFO
Nonstop1h 30mSouthwest
Deal found 13-9HK$832
Wed 8-1005:30SFO - LAX
1 stop6h 35mSouthwest
Sun 12-1006:40LAX - SFO
Nonstop1h 20mSouthwest
Deal found 12-9HK$856
Thu 16-1005:50SFO - LAX
Nonstop1h 29mDelta
Sun 19-1006:00LAX - SFO
Nonstop1h 25mDelta
Deal found 13-9HK$863
Thu 13-1105:00SFO - PDX
1 stop5h 10mSouthwest
Tue 18-1108:00PDX - SFO
1 stop6h 40mSouthwest
Deal found 13-9HK$941

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 15 September 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

Wed 24-12

06:10-07:41

Nonstop1h 31m

Los Angeles

Thu 25-12

07:00-08:26

Nonstop1h 26m

HK$832

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 9-10

05:50-07:19

Nonstop1h 29m

Los Angeles

Tue 14-10

16:25-17:45

Nonstop1h 20m

HK$832

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 28-10

10:40-12:12

Nonstop1h 32m

Los Angeles

Sun 2-11

05:00-06:25

Nonstop1h 25m

HK$871

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 7-1

05:05-11:05

1 stop6h 00m

Los Angeles

Sat 10-1

16:30-17:55

Nonstop1h 25m

HK$910

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 18-10

05:50-07:19

Nonstop1h 29m

Los Angeles

Mon 20-10

16:25-17:45

Nonstop1h 20m

HK$910

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 7-1

05:30-10:15

1 stop4h 45m

Los Angeles

Wed 7-1

15:10-21:50

2 stops6h 40m

HK$949

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sun 5-10

05:55-07:23

Nonstop1h 28m

Los Angeles

Wed 8-10

06:00-07:25

Nonstop1h 25m

HK$949

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 30-10

08:20-09:55

Nonstop1h 35m

Los Angeles

Sun 2-11

05:00-06:25

Nonstop1h 25m

HK$949

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 6-11

05:50-07:19

Nonstop1h 29m

Los Angeles

Sun 9-11

06:00-07:30

Nonstop1h 30m

HK$949

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 1-11

15:30-16:56

Nonstop1h 26m

Los Angeles

Sun 2-11

05:00-06:25

Nonstop1h 25m

HK$949

Flights are sorted by cheapest return flights first.

Deals found on 12-9

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 12 September 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 36 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$4,954). Flying from San Francisco in June will prove the most costly (average of HK$6,798). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from San Francisco?

Many airlines operate round-trip flights from San Francisco: Cathay Pacific, United Airlines, Air Canada, Japan Airlines, EVA Air. These airlines fly to the following popular destinations: Hong Kong.

Cathay Pacific
Cathay Pacific
From HK$787
United Airlines
United Airlines
From HK$115
Frontier
Frontier
From HK$30
Alaska Airlines
Alaska Airlines
From HK$137

What are popular destinations to fly to from San Francisco?

If you’re flying from San Francisco, these routes are more frequently taken by airlines New York (1,566 flights per day), Chicago (1,142 flights per day) and Los Angeles (1,041 flights per day).

Hong Kong Intl
Hong Kong Intl
From HK$458
Ontario
Ontario
From HK$287
Tokyo
Tokyo
From HK$593
New York
New York
From HK$794

What is the cheapest place to fly to from San Francisco?

The cheapest city to fly to from San Francisco is Phoenix Sky Harbor Intl, with prices starting at HK$307. Explore other affordable destinations below.

Phoenix Sky Harbor Intl
Phoenix Sky Harbor Intl
From HK$39
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From HK$90
Santa Ana J. Wayne/Orange Cnty
Santa Ana J. Wayne/Orange Cnty
From HK$100

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, Japan Airlines, 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
Check prices

Comfort

8.9

Overall

8.9

Entertainment

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
8.9
Very Good
星宇航空
8.9
Very Good
Check prices

Comfort

8.9

Overall

8.9

Entertainment

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very Good
1,559 reviews
星宇航空
8.9
Very Good
Check prices

Comfort

8.9

Overall

8.9

Entertainment

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Cathay Pacific
7.6
Good
993 reviews
星宇航空
8.9
Very Good
Check prices

Comfort

8.9

Overall

8.9

Entertainment

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
United Airlines
7.4
Good
8,931 reviews
星宇航空
8.9
Very Good
Check prices

Comfort

8.9

Overall

8.9

Entertainment

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Air Canada
7.1
Good
10,000 reviews
星宇航空
8.9
Very Good
Check prices

Comfort

8.9

Overall

8.9

Entertainment

8.9

Boarding

9.0

Food

8.8

Crew

9.2

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 15 September 2025.
Cathay Pacific flights from San Francisco to Hong Kong
Frontier flights from San Francisco to Las Vegas
Cathay Pacific flights from San Francisco to Guangzhou

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 15 September 2025.

  • What are the most popular destinations to fly to from San Francisco?

    This month, the top selected destinations from San Francisco are Boston, Barcelona-El Prat Airport, 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$307 to Phoenix Sky Harbor Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$6,442 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, JetBlue, and United Airlines have the cheapest prices from San Francisco. Frontier flights from San Francisco to Las Vegas Harry Reid Intl (HK$232), JetBlue flights from San Francisco to Boston Logan Intl (HK$341), and United Airlines flights from San Francisco to Hong Kong Intl (HK$893).

  • 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$3,103
    Fly San Francisco to Denver from HK$6,964
    Fly San Francisco to New York John F Kennedy Intl Airport from HK$8,882
    Fly San Francisco to Incheon Intl Airport from HK$9,767

  • 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$8,990.

  • 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$4,947 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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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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