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HK$384+ 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 7-4. 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
16 Apr — 23 Apr1
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 17 March 2026.

Cheapest airline

Frontier

Good round-trip deal

HK$1,800 or less

Good one-way deal

HK$784 or less
On average, Frontier currently has the cheapest one-way flight from San Francisco (avg. price of HK$762).
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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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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 17 March 2026.

Wed 15-418:25
SFO
-
LAX
Nonstop1h 44m
United Airlines
Tue 21-419:55
LAX
-
SFO
Nonstop1h 30m
United Airlines
Deal found 12-3HK$759
Tue 14-412:00
SFO
-
LAX
Nonstop1h 39m
United Airlines
Sat 18-407:15
LAX
-
SFO
Nonstop1h 34m
United Airlines
Deal found 12-3HK$838
Tue 14-408:55
SFO
-
LAX
2 stops7h 20m
Southwest
Tue 21-414:00
LAX
-
SFO
Nonstop1h 20m
Southwest
Deal found 12-3HK$877
Sat 18-406:00
SFO
-
LAX
Nonstop1h 28m
United Airlines
Sat 18-415:40
LAX
-
SFO
Nonstop1h 32m
United Airlines
Deal found 13-3HK$916
Tue 2-607:15
SFO
-
LAX
Nonstop1h 33m
Delta
Tue 9-613:45
LAX
-
SFO
Nonstop1h 26m
Delta
Deal found 17-3HK$924
Tue 31-320:09
SFO
-
LAX
Nonstop1h 30m
Frontier
Fri 3-419:34
LAX
-
SFO
Nonstop1h 34m
Frontier
Deal found 14-3HK$932
Tue 14-412:26
SFO
-
LAX
Nonstop1h 35m
Alaska Airlines
Tue 14-418:00
LAX
-
SFO
1 stop5h 25m
Alaska Airlines
Deal found 16-3HK$947
Sat 18-413:50
SFO
-
LAX
2 stops7h 05m
Southwest
Tue 21-406:20
LAX
-
SFO
Nonstop1h 25m
Southwest
Deal found 12-3HK$955
Sat 18-411:05
SFO
-
LAX
1 stop5h 15m
Southwest
Tue 28-414:00
LAX
-
SFO
Nonstop1h 20m
Southwest
Deal found 13-3HK$994
Mon 30-320:14
SFO
-
LAX
Nonstop1h 30m
Frontier
Fri 3-419:34
LAX
-
SFO
Nonstop1h 34m
Frontier
Deal found 14-3HK$1,002
Sat 11-417:50
SFO
-
LAX
Nonstop1h 35m
Southwest
Wed 15-415:35
LAX
-
SFO
2 stops6h 30m
Southwest
Deal found 16-3HK$1,034
Sat 2-517:50
SFO
-
LAX
Nonstop1h 35m
Southwest
Mon 4-506:00
LAX
-
SFO
Nonstop1h 30m
Southwest
Deal found 12-3HK$1,073

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 17 March 2026. In the last 7 days, Cheapflights users made a total of 70,647 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight
Fastest return journey

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 16-4

08:45-10:17

Nonstop1h 32m

Los Angeles Los Angeles

Tue 21-4

08:25-09:50

Nonstop1h 25m

HK$994

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 8-4

05:40-12:10

2 stops6h 30m

Los Angeles Los Angeles

Wed 15-4

15:35-22:05

2 stops6h 30m

HK$1,151

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Tue 14-4

08:00-09:50

Nonstop1h 50m

Portland

Tue 28-4

17:51-19:49

Nonstop1h 58m

HK$1,229

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 23-4

08:00-09:37

Nonstop1h 37m

Los Angeles Los Angeles

Mon 27-4

17:16-18:44

Nonstop1h 28m

HK$1,229

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 8-4

07:20-08:55

Nonstop1h 35m

Los Angeles Los Angeles

Sun 12-4

06:35-08:00

Nonstop1h 25m

HK$1,229

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 30-4

06:20-07:55

Nonstop1h 35m

Los Angeles Los Angeles

Sat 2-5

05:20-11:50

2 stops6h 30m

HK$1,268

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Sat 2-5

15:05-20:55

1 stop5h 50m

Los Angeles Los Angeles

Mon 4-5

15:25-00:10

2 stops8h 45m

HK$1,268

San FranciscoPortland

SFO - PDX

SFOPDX

San Francisco

Tue 21-4

18:40-20:32

Nonstop1h 52m

Portland

Sun 26-4

07:00-09:04

Nonstop2h 04m

HK$1,308

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 20-5

05:40-12:10

2 stops6h 30m

Los Angeles Los Angeles

Tue 26-5

15:35-22:45

1 stop7h 10m

HK$1,347

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Mon 27-4

16:05-23:20

2 stops7h 15m

Los Angeles Los Angeles

Mon 4-5

19:50-00:10

1 stop4h 20m

HK$1,425

Flights are sorted by cheapest return flights first.

Deals found on 12-3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 13 March 2026.

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 58 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$4,956). Flying from San Francisco in June will prove the most costly (average of HK$7,015). 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$3,215
United Airlines
United Airlines
From HK$2,247
Air Canada
Air Canada
From HK$1,800
Frontier
Frontier
From HK$310

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 (1,738 flights per day), Los Angeles (930 flights per day) and Chicago (886 flights per day).

Tokyo
Tokyo
From HK$2,004
Hong Kong Intl
Hong Kong Intl
From HK$2,223

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$784. Explore other affordable destinations below.

Santa Ana J. Wayne/Orange Cnty
Santa Ana J. Wayne/Orange Cnty
From HK$784
Medford
Medford
From HK$1,610
Kahului
Kahului
From HK$1,814

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
1,376 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,376 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Cathay Pacific
7.6
Good
1,214 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
United Airlines
7.4
Good
9,433 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Air Canada
7.1
Good
10,811 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Crew

8.6

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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 17 March 2026.
Cathay Pacific flights from San Francisco to Hong Kong
Air Canada flights from San Francisco to Pearson Intl
Cathay Pacific flights from San Francisco to Guangzhou
Frontier flights from San Francisco to Las Vegas

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 17 March 2026.

  • 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$784 to Santa Ana (prices may vary depending on the airline and departure time). On average, users have booked flights for HK$6,601 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, WestJet, and Delta have the cheapest prices from San Francisco. Frontier flights from San Francisco to Denver Intl (HK$310), WestJet flights from San Francisco to Calgary (HK$1,509), and Delta flights from San Francisco to Salt Lake City (HK$1,542).

  • 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$3,124
    Fly San Francisco to New York John F Kennedy Intl Airport from HK$11,643
    Fly San Francisco to London Heathrow Airport from HK$13,235
    Fly San Francisco to Hong Kong from HK$16,219

  • 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$9,050.

  • 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$5,293 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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