For travel over Valentine's Day, fly nonstop from New York to London for $370 roundtrip on Norwegian.
Depart JFK on Thursday, February 14. Return from LGW on Thursday, February 21.
Slightly lower fares ($330) are available for travel in mid to late February.
See our New York JFK fare listings for a complete look at current finds.
Need a room in London? Here's what's available for the above dates on Hotelwatchdog.