WOW air is offering amazingly cheap one-way flights from many US cities to Dublin, Edinburgh, Frankfurt, Amsterdam, Copenhagen or Brussels from only $99!US
Fly with Star Alliance partners from Boston to Brussels or Luxembourg starting at only $309!
Cheap! Fly Icelandair from Boston to Brussels, Belgium for only $337! Long stopover in Reykjavik, Iceland is possible for only $24 more!US
Air Canada is offering cheap flights from Boston to Belgium. Book the tickets starting at only $336 for a round trip!.