Cheap flights London – San Francisco
The cheapest return ticket in the coming months costs from £411 per person (November). The flight takes about 13 h one way. The cheapest tickets usually include a stopover.
- LON → SFO
- about 8600 km
- 13 h
Prices by month
The cheapest return ticket for 3–7 nights in each month, per person. Click a price to see all dates.
Cheapest dates
Mon 23 Nov – Mon 30 Nov · 7 nights
TAP Air Portugal · 1 stop · 15 h 35 min
£411Check flight →Mon 2 Nov – Sun 8 Nov · 6 nights
AS · 1 stop · 12 h 25 min
£426Check flight →Mon 1 Feb – Sun 7 Feb · 6 nights
AS · 1 stop · 12 h 21 min
£434Check flight →Mon 8 Mar – Mon 15 Mar · 7 nights
SAS · 1 stop · 13 h
£461Check flight →Mon 8 Mar – Thu 11 Mar · 3 nights
KLM · 1 stop · 12 h 10 min
£466Check flight →Sun 15 Nov – Thu 19 Nov · 4 nights
easyJet · 1 stop · 13 h
£710Check flight →
Prices come from recent searches at our partner and may differ when you book.
Airlines on this route
- TAP Air Portugalwith a stopoverfrom £411
- ASwith a stopoverfrom £426
- SASwith a stopoverfrom £461
- KLMwith a stopoverfrom £466
- easyJetwith a stopoverfrom £710
Weather at the destination
San Francisco — best in August, September and October: August 20°C, September 21°C, October 22°C.
Weather and the best time to goSan Francisco: what a stay costs
- Local price level: Very expensive
- Dinner at an inexpensive restaurant: approx. £21
- 3★ hotel, double room: roughly £174 per night
United States: before you go
Internet
Roaming depends on your operator — consider an eSIM
EU roaming rules only cover SIM cards from EU and EEA countries. Check your operator's rates or buy a local eSIM.
Documents
Usually a passport — check the requirements
Check the entry rules (visas, passport validity) in your own country's official travel advice.
Healthcare
The EHIC is not valid
You pay for treatment yourself — travel insurance is a must.
Money
Local currency: USD
1 USD ≈ £0.76 (average NBP rate)
Frequently asked questions
London – San Francisco: how much is a ticket? +
The cheapest return ticket in the coming months costs from £411 per person (November). Prices change daily — check the current ones in search.
London – San Francisco: when is it cheapest? +
In the coming months it is cheapest in November: from £411.
London – San Francisco: are there direct flights? +
Among the cheapest tickets in the coming months we see no direct flights — there is usually one stopover.
London – San Francisco: which airlines fly? +
We found the cheapest tickets on this route with: TAP Air Portugal, AS, SAS, KLM, easyJet.
London – San Francisco: how long is the flight? +
The flight takes about 13 h one way. The cheapest tickets usually include a stopover. The straight-line distance is about 8600 km.
San Francisco: what is the weather like in November? +
About 17°C during the day on average, rainy days in the month: 8. Figures are an average of recent years.
San Francisco: how much does a stay cost? +
A meal in an inexpensive restaurant is about £21, and a double room in a 3★ hotel is roughly £174 per night.
United States — what documents do I need? +
Usually a passport — check the requirements. Check the entry rules (visas, passport validity) in your own country's official travel advice.