Cheap Flights to San Francisco
Flights to San Francisco in 2021
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
| 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$4,614 | Average for round-trip flights in April 2021 |
| Round-trip from | HK$4,528 | From Hong Kong to San Francisco |
| One-way from | HK$3,728 | One-way flight from Hong Kong to San Francisco |
Cheapest prices for San Francisco flights by month
The cheapest ticket to San Francisco found for each month in 2021 based on historical flight searches by Cheapflights users.
When is the best time to fly to San Francisco?
Average San Francisco flight ticket prices and weather conditions for 2021 and 2022 by month.
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HKG - SFO Price
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HK$4,218 - HK$9,528
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SFO Temperature
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15 - 25 °C
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SFO Rainfall
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0 - 120 mm
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When is the best time to book a flight to San Francisco?
The best time to book flights to San Francisco 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?
Tuesday is currently, on average, the cheapest day to fly to San Francisco. Flying on Saturday will result in higher flight prices.
What time of day is cheapest to fly to San Francisco?
Flights in the morning are typically the cheapest time of the day to fly to San Francisco. Flights in the afternoon are usually the most expensive.
Look outside the window of your San Francisco flight and watch the dense fog begin to evaporate as the monumental Golden Gate Bridge slowly makes its debut and your sybaritic journey is about to commence.
For years the City by the Bay has been attracting bohemian artists, musicians and technophiles who all flock to its fascinating neighbourhoods and world-class museums. And holidaymakers who book flights to San Francisco won’t be disappointed either. Your first day should begin with a walk across the Bridge then hop on a cable car and take a hilly ride through the city. Stop in Chinatown, which has one of the largest Chinese communities in the US, and sample some delicious dim sum. Then take a nostalgic stroll down the famous Haight-Ashbury district, where hippies congregate and in 1967 the ‘Summer of Love’ took place.
If you have some extra time, don’t miss a ferry ride to the chilling Alcatraz Island dubbed ‘The Rock’, home of the infamous prison where the likes of Al Capone and other notorious gangsters were imprisoned. Another island worth visiting is Angel Island. Although Angel was once a prison and quarantine station for immigrants, it’s come a long way since. Today visitors BBQ on the green grass, hike to the top of Mt. Livermore and go mountain biking around the picturesque island.
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San Francisco climate
San Francisco is surprisingly chilly, even in summer. Summer temperatures occasionally go above 21 (Celsius) with a morning fog over the city. Due to the fog, the city rarely sees more than a few hot days in a row, but just a few kilometres inland it’s clear, hot, and dry. Autumn has clear skies and temperatures in the mid-20s. Winter temperatures are usually in the teens and rarely go below freezing. But the winter rain combined with ocean breezes can make it feel cold. San Francisco is a popular holiday destination and has visitors, festivals, and events year-round. There’s always something going on.
When is the best time to fly to San Francisco?
Peak season:
San Francisco’s peak season is the summer when most of the tourists come to visit.
Off season:
Winter is the low season for flights to San Francisco; however, this is when the ballet and opera seasons are in full swing.
Shoulder season:
Mid-September to mid-November is the best time to visit San Francisco. Most of the tourists have gone home, and San Francisco is usually warm and sunny.
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Getting around San Francisco
Renting a car in San Francisco is more trouble than it’s worth. The city is covered with steep hills and one-way streets, traffic backups can be a nightmare and parking is scarce and expensive. You’ll only need a car if you’re heading out of town. It’s easy to get around on foot and the public transport system can get you anywhere else.
San Francisco’s main transport network is the San Francisco Municipal Railway (Muni). It has 100 bus lines with electric trolley buses and the famous historic cable cars. Riding one of the cable cars from Nob Hill down to Fisherman’s Wharf is an integral part of the San Francisco tourist experience. Check out the Muni Passports that offer unlimited rides for several days.
Biking is a popular way to get around, but you’ll have to steel yourself to get up and over some of the hills. The easiest way to get a cab is calling ahead or lining up for one at a hotel stand. To get out of the city, you can hop aboard the Bay Area Rapid Transit (BART), the fast and efficient subway linking the city to the East Bay. You can also catch one of the many ferries sailing for Sausalito, Larkspur and Tiburon.
