Taking your bike on a plane trip can be a bit of a headache. You'll need to remove handlebars, seat, pedals and front wheel to make it fit in a shipping case or stout cardboard box. You'll have to check it as baggage and even then get hit with an oversize bag fee. But, if you absolutely need your bike at your destination, and a plane is your only real option for travel, I guess you gotta do what you gotta do. In that case, here's a handy chart showing what various airlines charge to bring your bike as checked baggage.
However, there are other options for finding a decent bike at your destination. Check out our ideas for making biking work when you travel: