As a travel reporter who specializes in airlines, I often get asked how to find the best deal on airfare. More than once, friends have asked whether there’s any benefit in buying a round-trip ticket ...

Would you break a rule for a cheaper airline ticket? Susan Stevens did when she booked a hacker fare from Vienna to Frankfurt. A round-trip ticket costs hundreds of dollars less than a one-way ticket.

Those of you looking for October flight deals will find this is one of the best times of the year to travel. For starters, we’re still in shoulder season, which means that travelers can snag some of ...