Should you splurge on an upgrade to international first class or business class? This comprehensive guide will help you decide based on your travel needs.

While the first-class flight experience may be the ultimate dream, business class also offers plenty of perks. Learn the biggest differences between each cabin.

What you need to know about first class and business class—and whether it’s worth the extra expense.

I've flown in long-haul business class on six different airlines since September 2022. My favorite overall was Japan's All Nippon Airways, while Air New Zealand was the least impressive. Here's ...

A few days later, I received an email from American that it had refunded the fare difference between first class and economy class, and advised me to contact my travel agent.