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

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

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
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2
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5
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7
8
9
10
11
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15
from
$941*
Viewed:9 hours ago
Economy
Return:01/30/20
16
from
$388*
Viewed:12 hours ago
Economy
Return:12/23/19
17
from
$374*
Viewed:12 hours ago
Economy
Return:12/24/19
18
from
$374*
Viewed:12 hours ago
Economy
Return:12/25/19
19
from
$508*
Viewed:12 hours ago
Economy
Return:01/02/20
20
from
$374*
Viewed:12 hours ago
Economy
Return:12/27/19
21
from
$388*
Viewed:12 hours ago
Economy
Return:01/04/20
22
from
$388*
Viewed:12 hours ago
Economy
Return:01/05/20
23
from
$388*
Viewed:12 hours ago
Economy
Return:12/30/19
24
from
$508*
Viewed:12 hours ago
Economy
Return:01/07/20
25
from
$388*
Viewed:12 hours ago
Economy
Return:01/08/20
26
from
$508*
Viewed:12 hours ago
Economy
Return:01/09/20
27
from
$388*
Viewed:12 hours ago
Economy
Return:01/10/20
28
from
$374*
Viewed:12 hours ago
Economy
Return:01/04/20
29
from
$374*
Viewed:12 hours ago
Economy
Return:01/05/20
30
from
$388*
Viewed:12 hours ago
Economy
Return:01/13/20
31
from
$388*
Viewed:12 hours ago
Economy
Return:01/07/20
from
$374*
Viewed:12 hours ago
Economy
Return:01/08/20
from
$388*
Viewed:12 hours ago
Economy
Return:01/16/20
from
$388*
Viewed:12 hours ago
Economy
Return:01/17/20
from
$388*
Viewed:12 hours ago
Economy
Return:01/11/20
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 San Francisco to London?

FromToDatesFare TypePrice

San Francisco (SFO)

London (LHR)

Depart: 03/05/20

Return: 03/23/20

Roundtrip
from
USD373*
Viewed:1dayago

San Francisco (SFO)

London (LHR)

Depart: 03/04/20

Return: 03/23/20

Roundtrip
from
USD373*
Viewed:1dayago

San Francisco (SFO)

London (LHR)

Depart: 03/06/20

Return: 03/16/20

Roundtrip
from
USD373*
Viewed:1dayago

San Francisco (SFO)

London (LHR)

Depart: 03/08/20

Return: 03/15/20

Roundtrip
from
USD374*
Viewed:11hoursago

San Francisco (SFO)

London (LHR)

Depart: 03/12/20

Return: 03/19/20

Roundtrip
from
USD374*
Viewed:11hoursago

San Francisco (SFO)

London (LHR)

Depart: 03/10/20

Return: 03/17/20

Roundtrip
from
USD374*
Viewed:11hoursago

San Francisco (SFO)

London (LHR)

Depart: 03/11/20

Return: 03/18/20

Roundtrip
from
USD374*
Viewed:11hoursago

San Francisco (SFO)

London (LHR)

Depart: 03/07/20

Return: 03/14/20

Roundtrip
from
USD374*
Viewed:11hoursago

San Francisco (SFO)

London (LHR)

Depart: 02/18/20

Return: 03/03/20

Roundtrip
from
USD374*
Viewed:11hoursago

San Francisco (SFO)

London (LHR)

Depart: 01/16/20

Return: 03/16/20

Roundtrip
from
USD373*
Viewed:1hourago

*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 London

Sunday light rain
45°F 12/15/19
Monday moderate rain
47°F 12/16/19
Tuesday moderate rain
44°F 12/17/19
Wednesday broken clouds
44°F 12/18/19
Thursday moderate rain
51°F 12/19/19
Friday overcast clouds
46°F 12/20/19
Saturday light rain
45°F 12/21/19
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