London, it should be on everyones travel bucket list. It’s a city packed full of history and charming British culture not to mention more to do than possible in a lifetime. This cheap international flight to London gets you there for only $299 roundtrip from New York’s Newark Airport flying on WOW airlines in March of 2017.  There is about an hour layover in Iceland each way but it if you’re looking for the cheapest flight to London, this is it.