Yes, it is very possible to cancel EVA AIR flights and the airline allows it to be done in various ways. How do I cancel at Eva Airways, » Even though EVA AIR offers cheap flights and flexible flight schedules, it can sometimes be unclear whether tickets are refundable. That is very simple, so where you can ask for Are EVA AIR tickets refundable?? by calling OTA: OTA +1-800-860-5036? Do you need to alter your Eva Air ticket because you have changed your mind about a trip? No worries, you can still cancel your ticket for partial or full refunds at OTA +1-800-860-5036.