Can you buy tickets with Cryptocurrencies?

AirBaltic accepts payment in Bitcoin for economy class fares for most flights. Flights to China, Indonesia, India, Iceland, Jordan, Japan, Lebanon, Malaysia, Russia, Taiwan and Vietnam cannot be paid for with the cryptocurrency. The company used to charge a fee for using Bitcoin, but now customers can pay freely with the currency and not be charged.
https://www.neweurope.eu/article/what-you-can-buy-with-cryptocurrencies-food-flights-and-fast-cars/