Buying an airline ticket seems pretty straightforward, but if you're only taking a few minutes to do so, you're probably missing out on some killer deals. Airfare is an expense, no matter how much the ticket actually costs, so you don't want to make any unnecessary mistakes when booking an already pricey trip. Unfortunately, you've definitely been making a few for years. Click through for some expert tips on traveling smart - and never make these mistakes again!

Words by Lauren Schumacker at Insider

[Photo via Reshot]