Originally Posted by
Machka
It depends.
But one thing you've got to be careful of is weight. Airlines are cracking down on the weight limits of all luggage so you don't want to pack your panniers in your bicycle box if they will make your bicycle overweight.
I did some googling and see that each airline has its own prices. I see they're still flying golf clubs for free, but not bikes. Grr..
Not sure, however, what the price difference is between checking an additional bag or paying an overweight fee for one checked bag.