For travel in late spring, fly nonstop from New York to London for $324 roundtrip on British Airways.
Searching British Airways, we found seats departing JFK on Wednesday, May 22, returning from LGW on Thursday, May 23. Other dates are available for travel from mid to late May, and again from late August through September. Fares drop by a few bucks in October.
This basic economy fare includes one carry-on bag plus one personal item. A checked bag costs $55 each way.
Standard advanced seat selection is included in this price.
You'll find this fare bookable via American and Iberian, operating on American. Norwegian offers similarly priced nonstop service.
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.