Fly nonstop from Los Angeles to London for $526 round-trip on Air New Zealand.
Depart LAX on Wednesday, March 7, returning from Heathrow on Saturday, March 17.
Other dates are also available for travel from February 6 through March 14. This fare must be booked by January 18.
Slightly lower fares are available on Norwegian to London Gatwick, though keep in mind that Norwegian charges for baggage ($45 per segment, which comes out to be about equal).
See our Los Angeles LAX fare listings for a complete look at current fares.
Looking for a hotel in London? Here's what's available for the above dates on Hotelwatchdog.