Cheap flights from San Francisco to Great Britain

View AU$349 flight on Tue, 16 Sep. 2025Opens in a new window

Popular airlines from San Francisco to Great Britain

  • Aer Lingus

    Aer Lingus

  • Singapore Airlines

    Singapore Airlines

  • Air Canada

    Air Canada

  • British Airways

    British Airways

  • Delta

    Delta

  • United

    United

  • 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$759 Return, just found
AU$759
Return
just found
Select Air Canada flight, departing Sun, 3 Aug. from San Francisco to London, returning Tue, 19 Aug., priced at AU$759 just found
United
Wed, 3 Sep. - Wed, 10 Sep.
SFO
San Francisco
LHR
London
AU$768 Return, found 4 days ago
AU$768
Return
found 4 days ago
Select United flight, departing Wed, 3 Sep. from San Francisco to London, returning Wed, 10 Sep., priced at AU$768 found 4 days ago
United
Sun, 3 Aug. - Tue, 19 Aug.
SFO
San Francisco
LHR
London
AU$787 Return, just found
AU$787
Return
just found
Select United flight, departing Sun, 3 Aug. from San Francisco to London, returning Tue, 19 Aug., priced at AU$787 just found
Virgin Atlantic
Mon, 4 Aug. - Wed, 20 Aug.
SFO
San Francisco
LHR
London
AU$790 Return, found 6 days ago
AU$790
Return
found 6 days ago
Select Virgin Atlantic flight, departing Mon, 4 Aug. from San Francisco to London, returning Wed, 20 Aug., priced at AU$790 found 6 days ago
Delta
Mon, 22 Sep. - Tue, 30 Sep.
SFO
San Francisco
LHR
London
AU$792 Return, found 19 hours ago
AU$792
Return
found 19 hours ago
Select Delta flight, departing Mon, 22 Sep. from San Francisco to London, returning Tue, 30 Sep., priced at AU$792 found 19 hours ago
Swiss International Air Lines
Mon, 22 Sep. - Tue, 30 Sep.
SFO
San Francisco
LHR
London
AU$824 Return, found 19 hours ago
AU$824
Return
found 19 hours ago
Select Swiss International Air Lines flight, departing Mon, 22 Sep. from San Francisco to London, returning Tue, 30 Sep., priced at AU$824 found 19 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.