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HK$412+ 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 20-1. 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
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

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 13 November 2025.

Cheapest round-trip flight

HK$7,518

Cheapest airline

Frontier

Good round-trip deal

HK$2,230 or less

Good one-way deal

HK$552 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$518).
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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

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 13 November 2025.

Tue 3-207:30SFO - LAX
Nonstop1h 32mAlaska Airlines
Tue 3-211:00LAX - SFO
Nonstop1h 30mAlaska Airlines
Deal found 11-11HK$863
Sat 13-1218:50SFO - LAX
Nonstop1h 30mUnited Airlines
Sat 13-1221:35LAX - SFO
Nonstop1h 30mUnited Airlines
Deal found 11-11HK$870
Sat 13-1217:15SFO - LAX
Nonstop1h 30mSouthwest
Mon 15-1218:50LAX - SFO
Nonstop1h 20mSouthwest
Deal found 12-11HK$909
Sat 13-1218:55SFO - LAX
Nonstop1h 30mDelta
Mon 15-1216:20LAX - SFO
Nonstop1h 20mDelta
Deal found 12-11HK$917
Sun 14-1206:00SFO - LAX
Nonstop1h 36mUnited Airlines
Tue 6-113:38LAX - SFO
Nonstop1h 34mUnited Airlines
Deal found 13-11HK$948
Wed 3-1205:10SFO - LAX
1 stop5h 40mSouthwest
Tue 9-1213:00LAX - SFO
Nonstop1h 25mSouthwest
Deal found 11-11HK$987
Tue 20-113:35SFO - LAX
Nonstop1h 29mDelta
Sun 25-106:00LAX - SFO
Nonstop1h 30mDelta
Deal found 12-11HK$1,018
Wed 3-1205:25SFO - LAX
2 stops8h 30mSouthwest
Wed 3-1218:50LAX - SFO
Nonstop1h 20mSouthwest
Deal found 12-11HK$1,026
Sat 6-1205:55SFO - LAX
Nonstop1h 30mDelta
Mon 8-1206:00LAX - SFO
Nonstop1h 30mDelta
Deal found 13-11HK$1,034
Fri 12-1206:00SFO - LAX
Nonstop1h 36mUnited Airlines
Sun 14-1207:25LAX - SFO
Nonstop1h 24mUnited Airlines
Deal found 12-11HK$1,041
Thu 11-1206:00SFO - LAX
Nonstop1h 30mDelta
Sun 14-1208:17LAX - SFO
Nonstop1h 27mDelta
Deal found 12-11HK$1,065
Thu 4-1211:40SFO - LAX
Nonstop1h 33mAlaska Airlines
Thu 4-1215:59LAX - SFO
Nonstop1h 34mAlaska Airlines
Deal found 12-11HK$1,096

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 13 November 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

Sat 24-1

11:17-12:52

Nonstop1h 35m

Los Angeles

Sat 31-1

11:00-12:30

Nonstop1h 30m

HK$909

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 13-12

18:55-20:25

Nonstop1h 30m

Los Angeles

Mon 15-12

19:00-20:24

Nonstop1h 24m

HK$909

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 24-3

11:05-12:43

Nonstop1h 38m

Los Angeles

Wed 25-3

16:25-17:52

Nonstop1h 27m

HK$917

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 3-12

05:10-10:50

1 stop5h 40m

Los Angeles

Wed 3-12

18:50-20:10

Nonstop1h 20m

HK$987

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 31-1

07:25-08:50

Nonstop1h 25m

Los Angeles

Sat 31-1

13:30-20:05

1 stop6h 35m

HK$987

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 6-1

09:55-17:05

2 stops7h 10m

Los Angeles

Tue 6-1

18:50-20:15

Nonstop1h 25m

HK$1,026

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 24-2

05:05-11:05

1 stop6h 00m

Los Angeles

Tue 17-3

16:20-00:15

2 stops7h 55m

HK$1,103

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 9-12

19:10-20:45

Nonstop1h 35m

Los Angeles

Fri 12-12

17:00-22:55

1 stop5h 55m

HK$1,103

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 5-12

17:50-19:21

Nonstop1h 31m

Los Angeles

Sun 7-12

07:25-08:49

Nonstop1h 24m

HK$1,142

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Mon 8-12

22:24-23:51

Nonstop1h 27m

Los Angeles

Thu 11-12

18:49-20:15

Nonstop1h 26m

HK$1,142

Flights are sorted by cheapest return flights first.

Deals found on 11-11

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 7 November 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$4,919). Flying from San Francisco in June will prove the most costly (average of HK$7,227). 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, EVA Air. These airlines fly to the following popular destinations: Hong Kong.

Cathay Pacific
Cathay Pacific
From HK$6,112
United Airlines
United Airlines
From HK$892
Frontier
Frontier
From HK$251
Alaska Airlines
Alaska Airlines
From HK$1,061

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 (1,332 flights per day), Los Angeles (818 flights per day) and Chicago (651 flights per day).

Hong Kong Intl
Hong Kong Intl
From HK$7,518
Ontario
Ontario
From HK$2,230
New York
New York
From HK$2,932
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From HK$615

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

The cheapest city to fly to from San Francisco is Los Angeles, with prices starting at HK$233. Explore other affordable destinations below.

Los Angeles
Los Angeles
From HK$233
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From HK$615
Santa Ana J. Wayne/Orange Cnty
Santa Ana J. Wayne/Orange Cnty
From HK$778
Medford
Medford
From HK$1,598

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 EVA Air, Cathay Pacific, andUnited Airlines 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.
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very Good
1,276 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Cathay Pacific
7.6
Good
1,058 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
9,016 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Air Canada
7.1
Good
10,444 reviews
EVA Air
8.4
Very Good
1,276 reviews
Check prices

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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 13 November 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 13 November 2025.

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

    This month, the top selected destinations from San Francisco are Mumbai, Bengaluru, Bangkok Suvarnabhumi Airport. 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$233 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$8,461 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$892), and Alaska Airlines flights from San Francisco to New York John F Kennedy Intl (HK$1,061).

  • 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$3,100
    Fly San Francisco to Incheon Intl Airport from HK$9,758
    Fly San Francisco to New York John F Kennedy Intl Airport from HK$11,555
    Fly San Francisco to London Heathrow Airport from HK$13,135

  • 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$8,982.

  • 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$4,973 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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