Which is the cheapest airlines to get to Europe?

You should probably shop around--check out expedia and yahoo travel type sites, and also swing by the websites of major airlines as they sometimes have good deals that don't make it to sites like yahoo travel. Also if you're under 26 or a student, check out STA travel (statravel.com) as they sometimes have very good deals. I'd guess that you'd have more competition and thus cheaper fares into major cities like London (Heathrow or Gatwick) Paris, or Amsterdam.