Cheap flights from Boston to Cartagena, Colombia for only $337 roundtrip with Delta.
Cheap flights from Boston to Mumbai, India for only $667 roundtrip with Qatar Airways.
Cheap flights from Boston to London, UK for only $377 roundtrip with Swiss International Air Lines.
Cheap flights from Boston to Inverness, Scotland for only $315 roundtrip with Delta.
Cheap flights from Boston to San Juan, Puerto Rico for only $246 roundtrip with American Airlines.
Super cheap, non-stop flights from Barcelona, Spain to Boston, USA for only €148 roundtrip. Also works in reverse (for $238 roundtrip).
Non-stop flights from many US cities to Reykjavik, Iceland from only $99 one-way. Or you can fly roundtrip from $199.
Error Fare flights from US cities to Zagreb, Croatia from only $238 roundtrip with British Airways and American Airlines.
Non-stop flights from Boston to Nashville for only $132 roundtrip with JetBlue. Also works in reverse.