Flights

Flights from San Francisco to London

Fares we've seen from San Francisco (SFO) to London (LHR) start from US$300 on 10 Feb 2027 with Air Canada. Prices come from partner searches in the last 48 hours and change quickly, so look before you book.

Compare now

Compare San Francisco to London on your dates and see current fares from our sources, listed by price.

Compare San Francisco to London fares now

Fares by month

Month	Seen from	Date	Airline
October 2026	US$318	24 Oct 2026	JetBlue · 1 stop	Check now
November 2026	US$334	7 Nov 2026	JetBlue · 1 stop	Check now
December 2026	US$458	30 Dec 2026	Air Canada · 2 stops	Check now
February 2027	US$300	10 Feb 2027	Air Canada · 1 stop	Check now

One-way fares in US dollars, last seen on Aviasales. They can change at any time and may not be available on every day of the month. Partner links: we may earn a commission if you book, at no extra cost to you.

Airlines on this route

Airlines we've seen with fares on this route, listed by price:

Air Canada: from US$300 (with a stop)
JetBlue: from US$318 (with a stop)
WestJet: from US$392 (with a stop)
Aer Lingus: from US$428 (with a stop)
Flair: from US$458 (with a stop)
Frontier: from US$502 (with a stop)
TAP Air Portugal: from US$537 (with a stop)
American Airlines: from US$781 (with a stop)

Plan the rest of your trip to London

Compare on Kiwi.comAnother source for the same trip, including mixed-airline itineraries Activities & Stays in LondonExperiences, day tours and hotel deals Things to do in LondonTours, tickets and experiences Attraction tickets in LondonMuseums, landmarks and shows Car rental in LondonCompare rental cars Car rental in LondonWorldwide car hire with free cancellation Local car hire in LondonCar rentals from verified local suppliers Airport transfer in LondonPre-booked door-to-door airport taxi Airport pickup in LondonTrained English-speaking drivers meeting you on arrival Airport transfer in London (Promo)Save on private transfers and shuttles with promo code Transfers in LondonBook transfers and rides with local drivers Travel eSIMMobile data abroad without roaming fees Yesim eSIM dataGlobal eSIM with unlimited data options Saily global eSIMTravel data eSIM powered by NordVPN Luggage storage in LondonSecure baggage storage near transit hubs Flight delayed or cancelled?Check if you're owed compensation Flight delay compensationUp to €600 compensation for flight delays or cancellations

Partner links: we may earn a commission if you book, at no extra cost to you.

Questions about San Francisco to London flights

How much do flights from San Francisco to London cost? Fares we've seen start from US$300 on 10 Feb 2027 with Air Canada. Fares change quickly, so look before you book.

When can I save on flights from San Francisco to London? Among the next six months we checked, February 2027 had fares from US$300 in our data, while December 2026 reached US$458. Prices vary by date, so compare several days and save.

Which airlines fly from San Francisco to London? We've seen fares from Air Canada, JetBlue, WestJet, Aer Lingus, Flair, Frontier, TAP Air Portugal, American Airlines. This reflects recent searches, not a complete timetable.

Are there direct flights from San Francisco to London? Among 18 recent fares we saw no direct flights, so most itineraries include a stop. Check the booking page for the full options.

Is FindMyFlight free to use? Yes. We never add anything to the fare. If you book through a partner link we may earn a commission from the partner, at no extra cost to you.