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415 € Cheap Flights from San Francisco International to London Stansted

Compare San Francisco International to London Stansted flight deals

Find the cheapest month or even day of the year to fly to London Stansted

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Flight deals from San Francisco International to London Stansted

Looking for a cheap last-minute deal or the best return flight from San Francisco International to London Stansted? Find the lowest prices on one-way and return tickets right here.
London.415 € per passenger.Departing Sat, 7 Feb, returning Tue, 17 Feb.Return flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departs from San Francisco International on Sat, 7 Feb, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Tue, 17 Feb, arriving in San Francisco International.Price includes taxes and charges.From 415 €, select.
London.418 € per passenger.Departing Fri, 28 Nov, returning Thu, 4 Dec.Return flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departs from San Francisco International on Fri, 28 Nov, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Thu, 4 Dec, arriving in San Francisco International.Price includes taxes and charges.From 418 €, select.
London.420 € per passenger.Departing Mon, 23 Feb, returning Thu, 5 Mar.Return flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departs from San Francisco International on Mon, 23 Feb, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Thu, 5 Mar, arriving in San Francisco International.Price includes taxes and charges.From 420 €, select.
London.421 € per passenger.Departing Fri, 16 Jan, returning Sun, 25 Jan.Return flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departs from San Francisco International on Fri, 16 Jan, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Sun, 25 Jan, arriving in San Francisco International.Price includes taxes and charges.From 421 €, select.
London.428 € per passenger.Departing Mon, 10 Nov, returning Tue, 25 Nov.Return flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departs from San Francisco International on Mon, 10 Nov, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Tue, 25 Nov, arriving in San Francisco International.Price includes taxes and charges.From 428 €, select.
London.429 € per passenger.Departing Mon, 1 Dec, returning Sun, 7 Dec.Return flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departs from San Francisco International on Mon, 1 Dec, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Sun, 7 Dec, arriving in San Francisco International.Price includes taxes and charges.From 429 €, select.
London.441 € per passenger.Departing Mon, 8 Dec, returning Tue, 13 Jan.Return flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departs from San Francisco International on Mon, 8 Dec, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Tue, 13 Jan, arriving in San Francisco International.Price includes taxes and charges.From 441 €, select.
London.449 € per passenger.Departing Sat, 31 Jan, returning Sun, 8 Feb.Return flight with TAP Air Portugal and Ryanair.Outbound indirect flight with TAP Air Portugal, departs from San Francisco International on Sat, 31 Jan, arriving in London Stansted.Inbound indirect flight with Ryanair, departs from London Stansted on Sun, 8 Feb, arriving in San Francisco International.Price includes taxes and charges.From 449 €, select.

Find the cheapest month to fly from San Francisco International to London Stansted

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to London Stansted flights are currently cheapest in February.
Nov
from 428 €
Dec
from 429 €
Jan
from 421 €
Feb
from 415 €
Mar
from 469 €
Apr
from 516 €
May
from 601 €
Jun
from 840 €
Jul
from 860 €
Aug
from 778 €
Sep
from 576 €
Oct
from 725 €

San Francisco International to London Stansted: Alternative routes

Compare routes from San Francisco International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Stansted.

San Francisco to London: Flight information

The things to know before you go.
Cheapest flight found415 €
Cheapest month to flyFebruary

Finding cheap flights from San Francisco International to London Stansted: Frequently asked questions

The best price we found for a return flight from San Francisco International to London Stansted is 415 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Francisco International to London Stansted. But we found flights with one or more stops from 415 €.
As of November 2025, there are no flights flying from San Francisco International to London Stansted.
The cheapest month to fly from San Francisco International to London Stansted is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to London Stansted Airport on Saturday, 7 February 2026.
No airlines currently offer direct flights between San Francisco International Airport and London Stansted Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Stansted but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, TAP Air Portugal offers the cheapest flight tickets to London Stansted.

Travelling from San Francisco International Airport (SFO) to Stansted Airport (STN): what you need to know

  • The timezone in London is UTC+0, which is seven hours ahead of San Francisco.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to board your SFO to STN flight.

  • You'll likely experience longer queues during popular months like August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Consider adding a stopover when booking your ticket from San Francisco International Airport to Stansted Airport. Simply uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between SFO and STN:

    • Dublin Airport

    • Copenhagen Airport

    • Barcelona-El Prat Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Stansted Airport (STN)

  • Currently, 241 € is the cheapest price we've seen for a one-way San Francisco International Airport to Stansted Airport flight. The best price for a return ticket is 415 €. Bear in mind that fares could change due to demand when booking.

  • Don't wait until the last moment. You're more likely to get cheap tickets from SFO to STN if you book early. Airlines often have some fantastic early bird discounts.

  • If you're willing to be flexible with your travel dates, use the 'Whole month' search function. It'll give you the lowest price in every month when looking for a flight from San Francisco International Airport to Stansted Airport.

  • Picking up cheap flights from SFO to STN is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

  • Discover the perfect flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from San Francisco International Airport to Stansted Airport, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about San Francisco International Airport (SFO)

  • Of the flights that depart from San Francisco International Airport, 77.36% arrive on time at their destination.

  • San Francisco International Airport is around 21 kilometres from central San Francisco. If you're driving, ride-sharing or catching a cab from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • Planning to take public transport? Expect a journey time of around 45 minutes.

  • Catching an early flight from San Francisco International Airport to Stansted Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these hotels near SFO:

Arriving at Stansted Airport (STN)

Getting from Stansted Airport (STN) to central London

  • From Stansted Airport, London is approximately 64 kilometres away. It takes around 1 hour to reach the centre by car.

  • It'll take around 1 hour 25 minutes to get there by public transport.

When to fly to Stansted Airport (STN)

  • The quietest month for a flight from San Francisco International Airport to Stansted Airport is April, while August is the busiest. Choose the best time to visit London based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from San Francisco International Airport to Stansted Airport for July if you'd like to explore London during its warmest month. Expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

  • January sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from SFO to STN sometime around then if you'd rather travel in cooler conditions.

Explore more of United Kingdom

  • You've visited London, now it's time to discover more of United Kingdom. Travel about 161 kilometres north-west to Birmingham to check off its top attractions. From Cadbury World to The Library of Birmingham and National Sea Life Centre, you've got a jam-packed schedule ahead.

  • If there's time to check out another side of United Kingdom, head for Bristol, roughly 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are key highlights.

Plan the rest of your trip from San Francisco to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.