You only can do that in few countries in which Bitcoin is legalized already. Beside in which countries Bitcoin is legalized already, you can use Bitcoin to pay or purchase anything you want but in other country where Bitcoin is not legalized yet, you will have to exchange it into local currency to pay or purchase and it's the same with my country.
Even in some of the countries where bitcoin is legalized, just few of these institutions are really collecting bitcoin for fees and I heard globally, Nicosia has the highest number of institutions so far that receives bitcoin as payment.
It is a matter of time before we start seeing some of these institutions and even merchants all over the world springing up and I feel we will get there pretty soon.
This is want I also do to be able to used my bitcoin as a payment scheme. I just have to convert it to fiat and then pay my monthly bills. Haven't heard of Nicosia though but I will be happy to used my bitcoin there. It could really be just a matter of time before a lot of online stores or even local business to accept our bitcoin. I think it will just need one big online retailers to start the trend of accepting bitcoin and the rest of the middle store will follow as well, specially if that big online store's became famous because of their acceptance of bitcoins.