Cheap tickets on the Eurostar - London to Paris - $65 one way - $120 return
Well it turns out that you can get a one way ticket for £39 (about $65 oz). The tickets are non fliexible but if you are thinking of heading over to Europe this summer and want to take advantage of the grear exchange rate be sure to take a look at the offers available locally before you buy things like flights or rail tickets.
I have linked this deal to the Eurostar site and here is the link to the Flight centre offer -
Or you can actually get return travel for around $120 - check here for availability