What airlines fly direct to Europe from Boston?

Answer 1

Do you mean 'direct' or 'nonstop'? If nonstop, then here ya go:

Icelandair (Reykjavik)
American (Shannon, Manchester, London)
Aer Lingus (Shannon)
Virgin Atlantic (London)
British Airways (London)
Northwest (Amsterdam)
Lufthansa (Frankfurt, Munich)
Air France (Paris)
Swiss (Zurich)
Finnair (Stockholm--summer only)
Alitalia (Rome, Milan)

Answer 2

"As the largest city in the northeast corner of the US, Boston serves as an Important gateway to and from Europe, with nonstop flights to Iceland, Ireland, England, The Netherlands, Belgium, France, Germany, Switzerland, and Italy. Travelers from most European cities can fly to Boston via only a single connection. European cities with nonstop flights to other US gateway cities such as New York, Detroit, Atlanta, Chicago and others will find frequent connections from those cities to Boston, or the opportunity to stop in those cities for business or sightseeing."

Answer 3

Try Delta airlines or Continental Airlines they're good

Answer 4

Not many I think.But all goes from London to New York.