Apart of our deal to Las Vegas you may consider another budget solution with Norwegian to USA. This time you can book return (direct) flights from Europe to Boston already for €253 or £234. All charges and hand luggage are included. However for other services such as checked luggage you need to pay extra. You may find the cheapest flights when departing from Scandinavia, London, Germany (Berlin + Cologne) or Spain.
This Nowegian deal to Boston is available in winter season 2016-2017. If interested in this option look for flights from November 2016 till March 2017. Plenty of travel options are currently available at the lowest price. Pleaes refer to below booking samples if interested in this solution with low-cost carrier Norwegian..
Booking samples
Germany (Cologne) - Boston from €255 (last minute summer flights with Eurowings)
Travel dates vary by each origin. You can easily find the cheapest deals when searching directly at Norwegian. They are offering month´s view. (Choose "Show Low Fare Calendar" before you hit search button). Need some cheap accommodation in America you may use Booking.com or consider following promo codes offred by Hotels.com, Hotelopia or Venere.
Booking sample of cheap Norwegian flights from Europe to Boston from €253 or £234 here. In this case you would depart from London to USA on 20th of November 2016. Your return flight from America back to UK would be two weeks later., on 4th of December 2016.