Cheapest exchange for market orders using IB for directed orders

What is the cheapest exchange to route to ?

 

The one that gets you the best net of {fill-commission-fees}, and in a timely fashion.

 

Is there a place to check the fees and commissions charged by each individual exchange

 

Are you talking about stock or options?

 

Stocks for now

 

I'm not sure, but I think the SMART routing algorithm takes commission into account. Ideally, the algorithm should look for the best price considering exchange fees.