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HK$451+ 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 21-1. 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
28 Jan — 4 Feb1
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 29 December 2025.

Cheapest round-trip flight

HK$2,403

Cheapest airline

Frontier

Good round-trip deal

HK$2,230 or less

Good one-way deal

HK$778 or less
The cheapest round-trip flight from San Francisco is currently to Toronto Pearson 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 29 December 2025.

Sat 7-317:55SFO - LAX
1 stop6h 25mSouthwest
Sat 14-305:00LAX - SFO
Nonstop1h 30mSouthwest
Deal found 27-12HK$730
Wed 11-213:35SFO - LAX
Nonstop1h 29mDelta
Wed 18-211:14LAX - SFO
Nonstop1h 30mDelta
Deal found 28-12HK$754
Wed 28-105:30SFO - LAX
1 stop4h 45mSouthwest
Sat 31-116:30LAX - SFO
Nonstop1h 25mSouthwest
Deal found 28-12HK$777
Sat 10-121:42SFO - LAX
Nonstop1h 29mFrontier
Tue 13-121:27LAX - SFO
Nonstop1h 40mFrontier
Deal found 27-12HK$800
Wed 22-405:40SFO - LAX
2 stops6h 30mSouthwest
Sat 25-406:20LAX - SFO
Nonstop1h 25mSouthwest
Deal found 27-12HK$816
Tue 27-105:05SFO - LAX
1 stop6h 00mSouthwest
Tue 3-207:50LAX - SFO
Nonstop1h 30mSouthwest
Deal found 28-12HK$831
Sat 7-207:25SFO - LAX
Nonstop1h 25mSouthwest
Sat 21-205:40LAX - SFO
Nonstop1h 30mSouthwest
Deal found 28-12HK$839
Sat 24-116:10SFO - LAX
Nonstop1h 25mSouthwest
Sun 25-105:00LAX - SFO
Nonstop1h 30mSouthwest
Deal found 27-12HK$855
Tue 27-110:00SFO - LAX
1 stop4h 30mSouthwest
Wed 28-117:50LAX - SFO
1 stop3h 30mSouthwest
Deal found 27-12HK$901
Wed 21-105:55SFO - LAX
Nonstop1h 30mDelta
Thu 22-111:07LAX - SFO
Nonstop1h 32mDelta
Deal found 28-12HK$909
Thu 12-207:25SFO - LAX
Nonstop1h 36mUnited Airlines
Thu 12-210:26LAX - SFO
Nonstop1h 34mUnited Airlines
Deal found 28-12HK$948
Tue 27-112:58SFO - PDX
Nonstop1h 57mUnited Airlines
Sun 1-207:45PDX - SFO
Nonstop1h 57mUnited Airlines
Deal found 28-12HK$1,298

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 29 December 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 27-1

05:55-07:25

Nonstop1h 30m

Los Angeles

Tue 27-1

21:20-22:54

Nonstop1h 34m

HK$754

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 28-1

16:03-17:37

Nonstop1h 34m

Los Angeles

Wed 4-2

09:38-11:13

Nonstop1h 35m

HK$754

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 24-1

16:10-17:35

Nonstop1h 25m

Los Angeles

Mon 26-1

18:50-20:15

Nonstop1h 25m

HK$855

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 20-3

06:40-08:05

Nonstop1h 25m

Los Angeles

Sat 28-3

05:00-06:30

Nonstop1h 30m

HK$855

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 31-1

16:03-17:29

Nonstop1h 26m

Los Angeles

Sun 1-2

06:00-07:30

Nonstop1h 30m

HK$909

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 28-3

17:55-00:20

1 stop6h 25m

Los Angeles

Sun 29-3

05:25-06:55

Nonstop1h 30m

HK$932

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 18-4

06:00-07:33

Nonstop1h 33m

Los Angeles

Sat 18-4

18:00-23:25

1 stop5h 25m

HK$987

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 20-1

08:15-09:40

Nonstop1h 25m

Los Angeles

Sun 25-1

07:35-11:50

1 stop4h 15m

HK$987

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 27-3

06:40-08:05

Nonstop1h 25m

Los Angeles

Tue 31-3

14:30-22:45

1 stop8h 15m

HK$987

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 11-3

05:05-12:35

1 stop7h 30m

Los Angeles

Thu 12-3

06:35-08:00

Nonstop1h 25m

HK$987

Flights are sorted by cheapest return flights first.

Deals found on 28-12

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 26 December 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$7,358). 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$6,111
United Airlines
United Airlines
From HK$892
Frontier
Frontier
From HK$251
Air Canada
Air Canada
From HK$2,403

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 (1,532 flights per day), Los Angeles (896 flights per day) and Chicago (808 flights per day).

Toronto
Toronto
From HK$2,403
Ontario
Ontario
From HK$2,230
Hong Kong Intl
Hong Kong Intl
From HK$6,052
Frankfurt am Main
Frankfurt am Main
From HK$4,507

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

The cheapest city to fly to from San Francisco is Santa Ana J. Wayne/Orange Cnty, with prices starting at HK$778. Explore other affordable destinations below.

Santa Ana J. Wayne/Orange Cnty
Santa Ana J. Wayne/Orange Cnty
From HK$778
Medford
Medford
From HK$1,598
Kahului
Kahului
From HK$1,800
Ontario
Ontario
From HK$2,230

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
8.5
Very Good
1,304 reviews
Check prices

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
EVA Air
8.5
Very Good
1,304 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Cathay Pacific
7.6
Good
1,109 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
United Airlines
7.4
Good
9,117 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.
Air Canada
7.1
Good
10,563 reviews
EVA Air
8.5
Very Good
1,304 reviews
Check prices

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

TPE - CRK

All was okay except for the medical emergency that happened before our boarding. I wish that the medical emergency response was more immediate.

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 29 December 2025.
Cathay Pacific flights from San Francisco to Hong Kong
Frontier flights from San Francisco to Las Vegas
Air Canada flights from San Francisco to Pearson Intl
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 29 December 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, Boston. 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$778 to Santa Ana, California (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$8,670 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 WestJet have the cheapest prices from San Francisco. Frontier flights from San Francisco to Denver Intl (HK$251), United Airlines flights from San Francisco to Hong Kong Intl (HK$892), and WestJet flights from San Francisco to Calgary (HK$1,498).

  • 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$11,554
    Fly San Francisco to London Heathrow Airport from HK$13,134

  • 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$8,981.

  • 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$5,097 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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