Fly nonstop from San Francisco to London for $492 round-trip on British Airways.
Seen below, we found seats departing SFO on Monday, May 1, returning from LHR on Thursday, May 11.
Other dates are available for departures through mid May and again from September through December.
See our fare details for booking info.
Need a room in London? Here's what's available for the above dates on Hotelwatchdog.