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

Cheap Flights to San Francisco International

Popular in January High demand for flights, 13% potential price rise
Cheapest in August Best time to find cheap flights, 3% potential price drop
Average price HK$ 6,614 Average for round-trip flights in January 2021
Round-trip from HK$ 4,202 From Hong Kong to San Francisco
One-way from HK$ 3,683 One-way flight from Hong Kong to San Francisco
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Cheapest prices for San Francisco International flights by month

January
HK$ 5,841
February
HK$ 4,675
March
HK$ 4,333
April
HK$ 4,883
May
HK$ 4,926
June
HK$ 5,232
July
HK$ 5,773
August
HK$ 5,696
September
HK$ 4,497
October
HK$ 4,407
November
HK$ 4,210
December
HK$ 5,444
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$ 4,210 - HK$ 9,511
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 evening are usually the most expensive.

Alternative, similarly priced destinations

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Cheap tickets to San Francisco International found by our users in Hong Kong
Home USA California San Francisco Cheap flights to San Francisco International, California