[matt3D]

While that's a good point, I think it would be wise for them to incorporate budget airlines if they are looking at the European market.

There are so many routes that are served exclusively by budget airlines.

[themagyar]

Noted re the EU. Though there's another side to it as well.

BonBook does more than just booking (eg. one-email changes) and many budget airlines make this difficult with their restrictive fare rules.