Flights to San Francisco

£275 Cheap flights to San Francisco

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Francisco departing on 18/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from the United Kingdom to San Francisco

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:50 - 14:35
BRS
-
SFO
32h 45m2 stops
Multiple Airlines Logo
16:40 - 21:40
SFO
-
BRS
21h 00m2 stops
£439Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
Multiple Airlines Logo
13:50 - 14:35
BRS
-
SFO
32h 45m2 stops
Multiple Airlines Logo
16:40 - 21:40
SFO
-
BRS
21h 00m3 stops
£445Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
British Airways Logo
15:35 - 09:44
LHR
-
SFO
26h 09m1 stop
British Airways Logo
23:59 - 08:35
SFO
-
LHR
24h 36m1 stop
£455British Airways
Mon, 12 Jan - Sat, 28 Feb
Air Canada Logo
09:30 - 19:42
LHR
-
SFO
18h 12m1 stop
Air Canada Logo
16:30 - 11:50
SFO
-
LHR
35h 20m1 stop
£456Air Canada
Tue, 26 May - Mon, 8 Jun
Lufthansa Logo
16:20 - 01:30
LHR
-
SFO
17h 10m1 stop
Lufthansa Logo
18:50 - 21:00
SFO
-
LHR
18h 10m2 stops
£457Lufthansa
Thu, 8 Jan - Thu, 15 Jan
British Airways Logo
06:15 - 15:45
LHR
-
SFO
17h 30m1 stop
British Airways Logo
16:23 - 15:05
SFO
-
LHR
14h 42m1 stop
£460British Airways
Sat, 13 Jun - Mon, 29 Jun
Lufthansa Logo
06:00 - 23:26
EDI
-
SFO
25h 26m2 stops
Lufthansa Logo
15:40 - 23:15
SFO
-
EDI
24h 35m1 stop
£477Lufthansa
Wed, 25 Feb - Wed, 11 Mar
Virgin Atlantic Logo
20:05 - 11:50
LCY
-
SFO
23h 45m1 stop
Virgin Atlantic Logo
13:55 - 19:35
SFO
-
LCY
21h 40m1 stop
£480Virgin Atlantic
Thu, 5 Feb - Thu, 12 Feb
United Airlines Logo
06:05 - 15:55
MAN
-
SFO
17h 50m1 stop
United Airlines Logo
12:00 - 14:50
SFO
-
MAN
18h 50m2 stops
£508United Airlines
Fri, 6 Feb - Fri, 13 Feb
United Airlines Logo
06:05 - 12:20
MAN
-
SFO
38h 15m2 stops
United Airlines Logo
08:30 - 14:50
SFO
-
MAN
22h 20m2 stops
£512United Airlines
Fri, 6 Feb - Fri, 13 Feb

momondo Fare Finder

 
Locate flights to San Francisco that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 24 December 2025.
Use the filters below to find and compare flights to San Francisco that are best for you.

Fly from

Route

Depart

Return

Price

BristolSan Francisco

BRS - SFO

BRSSFO

Bristol

Thu 5/2

13:50-14:35

2 stops32h 45m

San Francisco

Thu 12/2

16:40-21:40

2 stops21h 00m

£439

BristolSan Francisco

BRS - SFO

BRSSFO

Bristol

Thu 5/2

13:50-14:35

2 stops32h 45m

San Francisco

Thu 12/2

16:40-21:40

3 stops21h 00m

£445

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 12/1

15:35-09:44

1 stop26h 09m

San Francisco

Sat 28/2

23:59-08:35

1 stop24h 36m

£455

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 26/5

09:30-19:42

1 stop18h 12m

San Francisco

Mon 8/6

16:30-11:50

1 stop35h 20m

£456

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 8/1

16:20-01:30

1 stop17h 10m

San Francisco

Thu 15/1

18:50-21:00

2 stops18h 10m

£457

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 13/6

06:15-15:45

1 stop17h 30m

San Francisco

Mon 29/6

16:23-15:05

1 stop14h 42m

£460

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Wed 25/2

06:00-23:26

2 stops25h 26m

San Francisco

Wed 11/3

15:40-23:15

1 stop24h 35m

£477

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Thu 5/2

20:05-11:50

1 stop23h 45m

San Francisco

Thu 12/2

13:55-19:35

1 stop21h 40m

£480

ManchesterSan Francisco

MAN - SFO

MANSFO

Manchester

Fri 6/2

06:05-15:55

1 stop17h 50m

San Francisco

Fri 13/2

12:00-14:50

2 stops18h 50m

£508

ManchesterSan Francisco

MAN - SFO

MANSFO

Manchester

Fri 6/2

06:05-12:20

2 stops38h 15m

San Francisco

Fri 13/2

08:30-14:50

2 stops22h 20m

£512

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Francisco from

San Francisco flights insights and trends

Explore insights for your San Francisco flight to craft the best travel plan

What is the cheapest month to fly to San Francisco?

The month of September is, on average, the cheapest month to fly to San Francisco from United Kingdom, with most prices found around £425. If you are unable to visit San Francisco during the month of September, then departing from United Kingdom during the month February is also very affordable. Most momondo users find prices during this month for around £428.

What is the absolute cheapest flight to San Francisco?

£76 is the cheapest deal found on momondo in the last two weeks for a flight to San Francisco. This flight is from Los Angeles and is 57% cheaper than most flights to San Francisco. To find the cheapest price to San Francisco from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £577. This is often the case because there is less demand to fly during this day of the week. Flights from United Kingdom to San Francisco on a Sunday will generally be more expensive and average around £671. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Francisco?

Our most recent data shows that the best time of day to fly to San Francisco is in the evening. Flights from United Kingdom to San Francisco during this time can be as low as £477. Try not to purchase tickets at midday because they tend to be around £944. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £505 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from United Kingdom for as low as £475 on momondo.

Cheapest flights to San Francisco

Find the cheapest flights to San Francisco from your nearest city or airport
CHEAPEST MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORTFebruary17% cheaperFlying from London Heathrow Airport to San Francisco costs on average just £420 in February
MOST EXPENSIVE MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORTDecember28% more expensiveIt costs about £651 for flights to San Francisco from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO SAN FRANCISCO FROM LONDON HEATHROW AIRPORTJuly228% more users visitedMore momondo users searched in flights to San Francisco from London Heathrow Airport in July than any other month

Cheap San Francisco flight deals and tips

Summary info about San Francisco flight prices, duration and airlines

Best One-Way Price

£275

Best Round-Trip Price

£439

Fastest flight time

15h 10m

Popular in

July
The best one-way flight price to San Francisco from United Kingdom in the last 72 hours is £275 (Manchester to San Francisco).
The best round-trip flight price to San Francisco from United Kingdom in the last 72 hours is £439 (Bristol to San Francisco).
The fastest flight to San Francisco from United Kingdom takes 15h 10m (London City to San Francisco).
July has the highest demand for flights to San Francisco, with a 16% price increase on average.

Frequently asked questions about flying to San Francisco

When is it best to fly to San Francisco to go sightseeing?

Sights like Fisherman's Wharf, Lombard Street, and Alcatraz are most enjoyable in months with moderate weather conditions like January, February, or December. Plan your flight to San Francisco for those months.

How far in advance should I book a flight to San Francisco?

In general, most travellers find the cheapest time to book a flight to San Francisco is about 51 days prior to their departure date, when tickets on average are £501. Keep in mind that you might also find cheap flights to San Francisco outside of this time window. In fact, momondo users recently found flights from United Kingdom to San Francisco for £426.

Is there an alternative airport near San Francisco?

Those flying to San Francisco could potentially find better pricing at Oakland Airport (12 mi from San Francisco city centre), Concord Buchanan Fld Airport (24 mi from San Francisco city centre), Napa County Airport (30 mi from San Francisco city centre), San Jose Airport (40 mi from San Francisco city centre) or Santa Rosa Sonoma County Airport (54 mi from San Francisco city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into San Francisco?

You can find deals at Santa Rosa Sonoma County Airport for £117 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to San Francisco Airport?

Prices for flights to San Francisco Airport are refreshed on a daily basis.

How many operators does momondo search for flights to San Francisco Airport?

How old do you have to be to fly to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Clara
Seaside
Sunnyvale
Big Sur
Carmel-by-the-Sea
Rohnert Park
Campbell
Palo Alto
Santa Cruz
Novato
South San Francisco
Capitola
Sausalito
Aptos
San Bruno
Woodland
Redwood City
Pacific Grove
Burlingame
Mill Valley

Why use momondo?

Why should I use momondo to find a flight deal to San Francisco?

Finding the right flight to San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

Can I find flights to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco with this policy.

How can momondo help me find flights to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to San Francisco.

I’m not ready to book a flight to San Francisco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 23/1
Fri 30/1

Find better results for your trip to San Francisco