This is a a positive move for those that want Bitcoin to evolve into a mainstream currency that can be used for the purchase of everyday goods and utilities, and it could lead to competitors also offering a Bitcoin payment option. The immediate knock-on effect could be that Expedia will start accepting Bitcoin for flight bookings, in addition to hotel bookings that you can already make with the crypto-currency. By becoming the first airline to accept Bitcoin, airBaltic have surely stolen a march on everybody else. However, they have missed a trick. The dreaded transaction fee.