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Cheap flights from San Francisco to anywhere

SFO — HKG
21 Ogos — 28 Ogos1
1 adult

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 Ogos 2025.

Cheapest round-trip flight

HK$1,743

Cheapest airline

Frontier

Good round-trip deal

HK$1,508 or less

Good one-way deal

HK$783 or less
The cheapest round-trip flight from San Francisco is currently to Calgary.
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On average, Frontier currently has the cheapest one-way flight from San Francisco (avg. price of HK$612).
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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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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 8 August 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 19 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, February is the cheapest month in which you can book a flight from San Francisco (average of HK$5,102). Flying from San Francisco in June will prove the most costly (average of HK$6,933). 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, China Airlines. 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$27
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 (1,504 flights per day), Los Angeles (1,044 flights per day) and Chicago (948 flights per day).

New York
New York
From HK$143
Hong Kong Intl
Hong Kong Intl
From HK$458
Calgary
Calgary
From HK$223
Tokyo
Tokyo
From HK$539

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$539. Explore other affordable destinations below.

Los Angeles
Los Angeles
From HK$69
Santa Ana J. Wayne/Orange Cnty
Santa Ana J. Wayne/Orange Cnty
From HK$100
New York
New York
From HK$143

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
9.0
Wonderful
Check prices

Comfort

9.0

Entertainment

8.9

Overall

9.0

Food

8.8

Crew

9.3

Boarding

9.0

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
9.0
Wonderful
星宇航空
9.0
Wonderful
Check prices

Comfort

9.0

Entertainment

8.9

Overall

9.0

Food

8.8

Crew

9.3

Boarding

9.0

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.
EVA Air
8.4
Very Good
1,233 reviews
星宇航空
9.0
Wonderful
Check prices

Comfort

9.0

Entertainment

8.9

Overall

9.0

Food

8.8

Crew

9.3

Boarding

9.0

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
968 reviews
星宇航空
9.0
Wonderful
Check prices

Comfort

9.0

Entertainment

8.9

Overall

9.0

Food

8.8

Crew

9.3

Boarding

9.0

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
8,916 reviews
星宇航空
9.0
Wonderful
Check prices

Comfort

9.0

Entertainment

8.9

Overall

9.0

Food

8.8

Crew

9.3

Boarding

9.0

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
9,966 reviews
星宇航空
9.0
Wonderful
Check prices

Comfort

9.0

Entertainment

8.9

Overall

9.0

Food

8.8

Crew

9.3

Boarding

9.0

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

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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 Ogos 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 16 Ogos 2025.

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

    This month, the top selected destinations from San Francisco are Boston, Bengaluru, Mumbai. 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$539 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$6,407 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$213), JetBlue flights from San Francisco to Boston Logan Intl (HK$344), and United Airlines flights from San Francisco to Hong Kong Intl (HK$898).

  • 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$3,122
    Fly San Francisco to Denver from HK$7,006
    Fly San Francisco to New York John F Kennedy Intl Airport from HK$8,937
    Fly San Francisco to Incheon Intl Airport from HK$9,827

  • 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$9,045.

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

    Currently, the cheapest month for flights from San Francisco is February. 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$4,570 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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