Originally Posted by FlyHigher223
My only doubt now is will an Eticket work in this situation? I can imagine I will have to take some printed form of a ticket to prove I have a flight back so that Immigration don't buzz me with questions.
You can ask a Continental agent for a duplicate receipt for your itinerary at the airport. I've had these printed at a check-in desk, service center, and even a gate counter, and both the US government and UK immigrations have always been happy with them.