Fly nonstop from Boston to London for $358 round-trip, including all taxes, on Norwegian.
Seen below, we found seats departing LAX on Wednesday, March 15, returning from LGW on Wednesday, March 22.
Other dates are also available for travel from October through March.
This fare includes carry-on baggage only, weighing no more than 10kg/22lbs, so pack light or pay up. Should you prefer to check luggage, Norwegian's LowFare+ for these dates is $538 round-trip, which includes one checked bag weighing no more than 20kg/44lbs.
See our fare details for booking info.