Currently plenty of travel options are available in travel period between November 2014 till October 2015. This included travel options within summer holidays 2015 where the usual fare is about twice this fare. Considering this this could be a possible error fare so you better hurry up with booking if this is a deal of your interest.
Booking samples
DE - Luxembourg - New York for €369
NL - Luxembourg - New York for €361 (+€22 booking fee)
EN - Luxembourg - New York for Ł300
As the flights with British Airways are operated through London this is also a great option to end your trip there on your return flight and do not continue to Luxembourg. This is however recommended only in case you do not travel with checked in luggage. (Please bear in mind that you can not skip first leg Lux-London on your outbound flight otherwise your ticket would become invalid).
How to reach Luxembourg: Apart of to purchase one way tickets to Luxembourg by air you may also use the service of flibco.com (If you can easily reach either Brussels or Frankfurt). Bus tickets from these cities to Luxembourg are available from just €5. If you still prefer to book some cheap connection flights from your hometown we recommend to use Skyscanner tool. If you are looking for some affordable accomodation in USA you may consired booking through servers such as Hotels.com.
Booking sample of a cheap flights to New York, USA from LUX for just €369 here. In this case you would be departing from Luxembourg to New York on 6th of July and returning from America back to Europe on 20th of July 2015.
