TAP Air Portugal is selling cheap flights from London, United Kingdom to San Francisco, United States for as low as £276 return! That works out to a cost of just 2.6 Pence Per Mile for this 10700 mile journey.

The fare only includes carry-on luggage, so you need to pay extra if you want to check bags.

Our data shows the lowest prices are available in February 2022. See the link(s) below for dates and prices.

Sample date(s) with Kiwi.com booking link

Sep 10 – Sep 17 (£368)

Sep 16 – Sep 23 (£375)

Sep 20 – Sep 27 (£325)

Nov 1 – Nov 15 (£284)

Nov 6 – Nov 27 (£285)

Nov 8 – Nov 15 (£285)

Nov 8 – Nov 22 (£285)

Nov 20 – Nov 27 (£285)

Feb 11 – Feb 21 (£276)

Mar 8 – Mar 18 (£388)

Are you looking for an apartment to rent for your stay in San Francisco, United States? Check out what Vrbo.com has to offer!

We post many cheap flights like this one from London, United Kingdom to San Francisco, United States every single day, so have a look at our Travel Deals page, or check out the related posts below!

Note: Prices are valid at the time of publishing this post, but may change in the future.

COVID-19 Note: During these uncertain times, please make sure to check the relevant Coronavirus restrictions for your destination before you book and before you fly. We recommend also checking the refund policy of the airline, as well as purchasing travel insurance for your trip.