Cheap Flights to San Francisco

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Home North America USA California San Francisco Cheap flights to San Francisco, California

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 inJulyHigh demand for flights, 28% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 5% potential price drop
Average price£313Average for round-trip flights in September 2021
Round-trip from£242From London to San Francisco

Cheap flights to San Francisco in September, October 2021

The best prices found for SFO flights for September, October
15 Oct - 22 Oct
£261pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
21 Oct - 28 Oct
£263pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
31 Oct - 4 Dec
£264pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick

San Francisco 2021 flight deals

Cheap flights to San Francisco found for this year
15 Dec - 27 Jan
£248pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
5 Nov - 15 Nov
£249pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
10 Nov - 18 Nov
£250pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick

Last minute flights to San Francisco

Late deals on return flights to San Francisco, departing today and this week
2 Oct - 17 Oct
£348pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
30 Sep - 14 Oct
£360pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
30 Sep - 10 Oct
£362pp
STN
London Stansted
Multiple airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
   
2 STOPS
STN
London Stansted

COVID Restrictions

View COVID Travel Restrictions for San Francisco

Can I fly to San Francisco from USA right now?

Information is based on travel restrictions for travel to San Francisco within the United States

Most visitors from USA will not be allowed to enter San Francisco.

COVID-19 testing requirements
Visitors from USA must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from USA are not required to quarantine after entering San Francisco.

Can I fly back to USA from San Francisco?

Returning to USA from San Francisco

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to USA.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering USA.

Hide COVID Travel Restrictions for 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.
January
£294
February
£287
March
£298
April
£324
May
£316
June
£374
July
£467
August
£349
September
£329
October
£308
November
£283
December
£343
November is currently the cheapest month to fly to San Francisco. At this moment in time July 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 Airport?

Average San Francisco flight ticket prices and weather conditions for 2021 and 2022 by month.
LON - SFO
Price
£283 - £631
SFO
Temperature
15 - 25 °C
SFO
Precipitation
0 - 120 mm
Flying to San Francisco in June is usually considered the best time to fly. However, you will find other deals are always available year round. September sees the temperatures in San Francisco peak to their warmest. December tends, on average, to see the most amount of rainfall.

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

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Which day is cheapest to fly to San Francisco?

At the moment, Wednesday is the most economical day to take a flight to San Francisco. Sunday is likely to be the most costly.

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

To get the best value, try booking a flight in the afternoon when visiting San Francisco. Generally the prices will increase for flights in the evening as these tend to have higher demand.

San Francisco International Airport is located 21km (13 miles) south of downtown San Francisco and is the largest airport in the Bay Area and the second-busiest airport in California.

Comprising four terminals – Terminals 1, 2, 3 and the International Terminal – that form a ring around a multi-storey Domestic Parking garage, San Francisco International is easy to navigate. Terminals 1-3 handle all domestic flights, while the International Terminal mainly manages international flights. Customs, immigrations and baggage claims are generally fast; staff are friendly, signage is good and transport to and from the airport is excellent. Delays are common, though, due to the region’s adverse weather patterns; however, there are plans to extend the runways in order to aid aircraft flying in low visibility conditions.

San Francisco International is clean and modern. With its newly revamped Terminal 2 housing an award-winning aviation museum and library, along with an extensive array of retail, dining, entertainment and health establishments, it is truly a world-class facility.

Flights to San Francisco International Airport comes from a number of destinations worldwide, including Toronto, Paris, Tokyo, London, Hong Kong, Seoul, Lima, Frankfurt, Singapore, San Salvador, Beijing, Mexico City, Sydney and Cancun, in addition to numerous domestic routes.

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What airport do you fly into for flights to San Francisco?

Booking a flight to San Francisco (SFO) is your only option if you intend on flying to San Francisco. It is only a 11.8 mi journey from San Francisco to San Francisco’s city centre.

How popular are flights to San Francisco (SFO) this year?

Flights to San Francisco have seen a 82% decrease in demand compared to the previous year.

Alternative, similarly priced destinations

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

Find the best San Francisco flight deals for you

Cheap tickets to San Francisco found by our users in United Kingdom as recently as September 24, 2021.

Cheapest flights to USA

Not set on San Francisco? See the cheapest flights to United Kingdom. Airfare prices updated on September 24, 2021.
Home North America USA California San Francisco Cheap flights to San Francisco, California
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