Frequent Flyer Miles

If just one airline alliance program offered the same complimentary space-available upgrade scheme on international flights as they all do on their domestic routes, I guarantee you that every international business traveler with $100,000 or more to spend on travel each year would switch their loyalty to that airline and its alliance partners in a heartbeat.

Answering an interesting question about frequent flyer miles -- and is China really worth a trip?

What are the rules on flying with toddlers? And can investing really earn you a mountain of free frequent flyer miles?

But for most airlines, there's absolutely no excuse to let your miles expire, even if you don't fly or don't have an airline-branded credit card. You probably already do things that you could be earning miles for, as well as protecting the miles you have, but you're not aware of the possibilities.

When Martha Toomey's husband Oscar died, she happened to know the user name and password to his Delta frequent flyer account -- and has been helping herself ever since to his 500,000-plus SkyMiles.

Travel can be so discombobulating and disruptive, yet some road warriors spend half their lives on planes, sometimes just to collect miles and attain elite frequent flyer status. One thing that they know that most don't is how to make the best of it. Here are some of their travel hacks.

With these strategies, it's possible to rack up a huge volume of free, additional frequent flyer miles. Amazingly, there's no catch -- and literally hundreds of online merchants participate in these mileage offers.

We at TravelSort just flew Lufthansa First Class to Europe, using credit card bonuses and points. Here are our best tips.

Over the last several years I've used frequent flyer miles to travel the globe and explore incredible new places. In the course of my wanderings I've discovered that there are a lot of misconceptions around frequent flyer and airline points programs.

NEW YORK — They lure millions of travelers each year with the promise of free vacations, first-class upgrades and a chance to cut the security l...

Common wisdom seems to be that you should start searching for award seats 11 months out. While that's not bad advice, you'll actually find the most award space just a couple of days before departure.

It's good to become familiar with the mileage redemption charts of various airlines. This is where I first realized I could head to Thailand -- or almost anywhere else in Asia -- for less than just going to Europe.