Non-stop flights from Barcelona, Spain to Boston, USA for only €144 roundtrip. Also works in reverse (for $284 roundtrip)
Cheap flights from Washington DC/Baltimore to Amsterdam, Netherlands for only $401 roundtrip with American Airlines.
Cheap flights from Australia to Oslo, Norway from only $1045 AUD roundtrip with Qatar Airways.
Summer flights from San Francisco to Paris, France for only $336 roundtrip with Air Canada and United Airlines.
Summer flights from San Francisco to Zurich, Switzerland for only $455 roundtrip with Finnair.
Super cheap flights from many US cities to Europe from only $99 one-way. Also works in reverse (from €129 one-way).
Cheap flights from Philadelphia to Palma de Mallorca, Spain from only $428 roundtrip with Delta.
Fly from Dallas to Ibiza, Spain for only $428 roundtrip with Delta.
Cheap flights from Charlotte, North Carolina to Barcelona, Spain for only $417 roundtrip with Delta.