It's no secret that traveling has its rewards -- you get to see a new place, experience new things, and come home with tons of photos to make your friends jealous. But the act of actually booking flights, redeeming airline miles, and dealing with the fine print along the way can cause more than just a headache. In an effort to make your travel experience seamless from start to finish, check out these cool hacks. Not only will they save you money, they'll also save you annoyance! Oftentimes, Google Flights, Momondo, and Skyscanner have the cheapest flights available.

A lot of times, if you are polite and ask hotel personnel for a late check-out, they will give it to you. Ask "What's the latest I can check out?" to test the waters.

The gas at the stations outside of airports is usually cheaper. Fill up your rental car's tank there.