Cheap Flights to San Francisco International

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Home USA California San Francisco Cheap flights to San Francisco International, California

Flights to San Francisco International in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJanuaryHigh demand for flights, 13% potential price rise
Cheapest inAugustBest time to find cheap flights, 3% potential price drop
Average priceHK$5,037Average for round-trip flights in June 2021
Round-trip fromHK$4,370From Hong Kong Intl to San Francisco
One-way fromHK$78One-way flight from Hong Kong to San Francisco

Cheap flights to San Francisco in June, July 2021

The best prices found for SFO flights for June, July
28 Jun - 9 Aug
HK$4,370pp
HKG
Hong Kong Intl
Multiple airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
HKG
Hong Kong Intl
26 Jul - 16 Sep
HK$4,401pp
HKG
Hong Kong Intl
Multiple airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
HKG
Hong Kong Intl
24 Jun - 13 Aug
HK$4,416pp
HKG
Hong Kong Intl
Multiple airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Canada
 
1 STOP
HKG
Hong Kong Intl

San Francisco 2021 flight deals

Cheap flights to San Francisco found for this year
9 Sep - 21 Sep
HK$4,308pp
HKG
Hong Kong Intl
Air Canada
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Air Canada
 
1 STOP
HKG
Hong Kong Intl
5 Aug - 30 Aug
HK$4,370pp
HKG
Hong Kong Intl
Multiple airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
HKG
Hong Kong Intl
26 Jul - 16 Sep
HK$4,401pp
HKG
Hong Kong Intl
Multiple airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
HKG
Hong Kong Intl

Last minute flights to San Francisco

Late deals on return flights to San Francisco, departing today and this week
28 Jun - 9 Aug
HK$4,370pp
HKG
Hong Kong Intl
Multiple airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
HKG
Hong Kong Intl
28 Jun - 16 Aug
HK$4,401pp
HKG
Hong Kong Intl
Multiple airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
HKG
Hong Kong Intl
28 Jun - 24 Jul
HK$4,820pp
HKG
Hong Kong Intl
Air Canada
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Air Canada
 
1 STOP
HKG
Hong Kong Intl

Cheapest prices for San Francisco International flights by month

The cheapest ticket to San Francisco International found for each month in 2021 based on historical flight searches by Cheapflights users.
January
HK$5,848
February
HK$4,680
March
HK$4,337
April
HK$4,889
May
HK$4,932
June
HK$5,238
July
HK$5,779
August
HK$5,702
September
HK$4,502
October
HK$4,412
November
HK$4,215
December
HK$5,450
November is currently the cheapest month to fly to San Francisco International. At this moment in time January is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

When is the best time to fly to San Francisco International?

Average San Francisco flight ticket prices and weather conditions for 2021 and 2022 by month.
HKG - SFO
Price
HK$4,215 - HK$9,522
SFO
Temperature
15 - 25 °C
SFO
Rainfall
0 - 120 mm
Flying to San Francisco International in November is usually considered the best time to fly. However, you will find other deals are always available year round. September tends to be the warmest period in San Francisco International so if you are looking for sun or warmer climates then look to fly around this time. December is the wettest if you need to factor this in to your plans.

When is the best time to book a flight to San Francisco International?

The best time to book flights to San Francisco International is 19 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Which day is cheapest to fly to San Francisco International?

Tuesday is currently, on average, the cheapest day to fly to San Francisco International. Flying on Saturday will result in higher flight prices.

What time of day is cheapest to fly to San Francisco International?

Flights in the morning are typically the cheapest time of the day to fly to San Francisco International. Flights in the afternoon are usually the most expensive.

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to San Francisco International flight prices.

Find the best prices for you!

Cheap tickets to San Francisco International found by our users in Hong Kong as recently as June 21, 2021.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2021.
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