Cheap flights from Portland or Seattle to Honolulu, Hawaii for only $368 roundtrip with United Airlines. Also works in reverse.
Non-stop flights from Chicago to Los Angeles for only $178 roundtrip with Alaska Airlines. Also works in reverse.
Lufthansa currently have a sale from many Scandinavian cities to many US cities from only €243 roundtrip.
Cheap flights from San Juan, Puerto Rico to Minneapolis, USA for only $220 USD roundtrip with American Airlines.
Cheap flights from Milan, Italy to Toronto, Canada for only €320 roundtrip with Lufthansa and Austrian Airlines.
Summer flights from Sao Paulo, Brazil to Los Angeles, USA for only $486 USD roundtrip with Copa Airlines.
Cheap flights from Berlin, Germany to New York, USA for only €289 roundtrip.
Cheap flights from Atlanta to Vancouver, Canada for only $259 roundtrip with American Airlines.
Super cheap, non-stop flights from Barcelona, Spain to Boston, USA for only €91 one-way. Also works in reverse (for $138 one-way).