The European Commission's logic appears to be that any strengthening of Booking.com — even in its flights business — would bolster its grip on the hotel business. Deal or no deal, Booking is committed ...

American users of Booking.com have caught up with their European counterparts and can now find and buy air tickets. The addition of flights to the traditionally accommodation-led service in the U.S.

One of the trickiest-and often the most expensive and inconvenient-parts of travel planning is booking flights. If you've ...