A traveler returning from Venice received a last-minute notice canceling the final leg of his itinerary. So why did $648 get him a new seat on that same flight? By Seth Kugel Last September, my wife ...

In the past, you could count on Tuesdays as the best day to book a great flight deal. However, that time has certainly passed, with airlines getting hip to the game. But that doesn't mean you can't ...