If you're planning a trip to Europe this year, you're probably wondering when you should book. Every month, we receive reader questions asking how far in advance is too far, if last-minute fares are likely to be available, and which destinations are cheapest.
Book as far in advance as possible if you'll be traveling in summer, advises Erin Krause, a spokeswoman for Expedia. "Prices ... continually increase as the summer months approach," Krause says. If you're traveling in late fall, early spring, or winter, however, the booking window can be shorter as there isn't quite as much competition for fares.
