Cheap flights from San Francisco to Great Britain

View AU$348 flight on Tue, 9 Sep. 2025Opens in a new window

Popular airlines from San Francisco to Great Britain

  • Aer Lingus

    Aer Lingus

  • Air Canada

    Air Canada

  • United

    United

  • British Airways

    British Airways

  • Delta

    Delta

  • KLM

    KLM

  • Virgin Atlantic

    Virgin Atlantic

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Cheap Flights from San Francisco (SJC) to Great Britain (LON)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 3 Aug. - Tue, 19 Aug.
SFO
San Francisco
LHR
London
AU$756 Return, found 19 hours ago
AU$756
Return
found 19 hours ago
Select Air Canada flight, departing Sun, 3 Aug. from San Francisco to London, returning Tue, 19 Aug., priced at AU$756 found 19 hours ago
United
Tue, 9 Sep. - Tue, 16 Sep.
SFO
San Francisco
LHR
London
AU$759 Return, found 1 day ago
AU$759
Return
found 1 day ago
Select United flight, departing Tue, 9 Sep. from San Francisco to London, returning Tue, 16 Sep., priced at AU$759 found 1 day ago
Virgin Atlantic
Sun, 21 Sep. - Wed, 8 Oct.
SFO
San Francisco
LHR
London
AU$774 Return, found 15 hours ago
AU$774
Return
found 15 hours ago
Select Virgin Atlantic flight, departing Sun, 21 Sep. from San Francisco to London, returning Wed, 8 Oct., priced at AU$774 found 15 hours ago
Delta
Sun, 21 Sep. - Wed, 8 Oct.
SFO
San Francisco
LHR
London
AU$783 Return, found 15 hours ago
AU$783
Return
found 15 hours ago
Select Delta flight, departing Sun, 21 Sep. from San Francisco to London, returning Wed, 8 Oct., priced at AU$783 found 15 hours ago
Swiss International Air Lines
Sun, 3 Aug. - Tue, 19 Aug.
SFO
San Francisco
LGW
London
AU$809 Return, found 19 hours ago
AU$809
Return
found 19 hours ago
Select Swiss International Air Lines flight, departing Sun, 3 Aug. from San Francisco to London, returning Tue, 19 Aug., priced at AU$809 found 19 hours ago
Swiss International Air Lines
Sun, 21 Sep. - Wed, 8 Oct.
SFO
San Francisco
LCY
London
AU$853 Return, found 15 hours ago
AU$853
Return
found 15 hours ago
Select Swiss International Air Lines flight, departing Sun, 21 Sep. from San Francisco to London, returning Wed, 8 Oct., priced at AU$853 found 15 hours ago

Find the cheapest month to fly from San Francisco (SFO) to London (LHR)

October is typically the cheapest month to fly

From AU$693 - AU$1,255 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.