Skip to content

Get United's best fares today on flights from London to San Francisco from *

Select journey type

Enter to select travel class and passengers

Low fare calendar for flights from London (LHR) to San Francisco (SFO)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
from
£901*
Viewed:a day ago
Economy
Return:23/02/2020
19
from
£909*
Viewed:10 hours ago
Economy
Return:04/03/2020
20
from
£939*
Viewed:10 hours ago
Economy
Return:05/03/2020
21
from
£957*
Viewed:10 hours ago
Economy
Return:06/03/2020
22
from
£969*
Viewed:10 hours ago
Economy
Return:29/02/2020
23
from
£939*
Viewed:11 hours ago
Economy
Return:15/03/2020
24
from
£2,796*
Viewed:10 hours ago
Economy
Return:09/03/2020
25
from
£737*
Viewed:10 hours ago
Economy
Return:03/03/2020
26
from
£737*
Viewed:10 hours ago
Economy
Return:11/03/2020
27
from
£767*
Viewed:10 hours ago
Economy
Return:05/03/2020
28
from
£796*
Viewed:10 hours ago
Economy
Return:06/03/2020
29
from
£796*
Viewed:10 hours ago
Economy
Return:14/03/2020
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Looking for additional flights from London to San Francisco?

FromToDatesFare TypePrice

London (LHR)

San Francisco (SFO)

Depart: 06/05/2020

Return: 13/05/2020

Roundtrip
from
£298*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 04/05/2020

Return: 11/05/2020

Roundtrip
from
£298*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 05/05/2020

Return: 12/05/2020

Roundtrip
from
£298*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 11/05/2020

Return: 18/05/2020

Roundtrip
from
£298*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 12/05/2020

Return: 19/05/2020

Roundtrip
from
£298*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 04/05/2020

Return: 18/05/2020

Roundtrip
from
£298*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 05/05/2020

Return: 19/05/2020

Roundtrip
from
£298*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 17/03/2020

Return: 24/03/2020

Roundtrip
from
£299*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 17/03/2020

Return: 31/03/2020

Roundtrip
from
£299*
Viewed:10hoursago

London (LHR)

San Francisco (SFO)

Depart: 19/03/2020

Return: 26/03/2020

Roundtrip
from
£299*
Viewed:10hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in San Francisco

Tuesday few clouds
17°C 18/02/2020
Wednesday sky is clear
13°C 19/02/2020
Thursday overcast clouds
12°C 20/02/2020
Friday light rain
13°C 21/02/2020
Saturday sky is clear
15°C 22/02/2020
Sunday overcast clouds
12°C 23/02/2020
Monday sky is clear
11°C 24/02/2020
Powered by: OpenWeatherMap.org