I thought that the OP had some good news if bitcoin had been received at one of the airports, but it turned out he was just asking for opinions 
From 2015 onwards cheapair.com providing this service for booking flight tickets.
If you want to find the airport where you can use the bitcoin legally means Tokyo airports is your zone to use your top all crypto currencies.
This is day today usage things for this you can find the good project which can be used to get the money on usage.
very useful news for the OP, with this good news OP can directly visit to tokyo, to feel for yourself how the ticket booking system using bitcoin, and can know the effect in japan
How sweet could it be?
I really want the professionals to shed more light on this if it could be actualized and how easier could it be and what implication can it have on bitcoin
I really want the professionals to shed more light on this if it could be actualized and how easier could it be and what implication can it have on bitcoin
From 2015 onwards cheapair.com providing this service for booking flight tickets.
If you want to find the airport where you can use the bitcoin legally means Tokyo airports is your zone to use your top all crypto currencies.
This is day today usage things for this you can find the good project which can be used to get the money on usage.