While Memorial Day has come and gone, many travelers are beginning to prepare for the busiest vacation season of the year.

From exotic getaways to sandy beaches to adventurous excursions to mountainous regions, more than likely, you'll have to book a flight to reach your destination.

If you prepare early enough, however, you can manage to catch a great flight deal that'll save you hundreds or even thousands of dollars. But, once you finalize your travel plans and coordinate your departure day, the next obstacle is an unlikely one: avoiding money traps at the airport.

Duty-free purchases may seem like a good buy at the time, but if you steer clear of those along with these other tricks, you'll be thankful for the money you may save while waiting to catch your flight.

In case you're unsure of the items to avoid buying at the airport, check out the slideshow below of seven not-so-obvious examples.