What is EVA cancellation policy? EVA Air allows free cancellation within 24 hours of booking (+𝟭-𝟴𝟯𝟯--𝟰𝟯𝟵-𝟮𝟲𝟳𝟬). For refundable tickets, you can cancel up to 24 hours after purchase for a full refund. For non-refundable tickets, cancellations incur fees.