This is even cheaper than their $1,450 LHR business class fares. Looks like the same rules- 90 day advance purchase, fly by Aug 31, I fare. Tons of availability all summer long- great way to get to Europe basically for the price of coach. Remember I fares earn 50% MQMs and Skymiles. Delta has a 24 hour risk-free guarantee, so as long as you buy on Delta.com you can cancel with no penalty up until 11:59pm the next day Can route through a number of hubs, not just BOS/MIA. Screen shots and more details on my blog.