Affected passengers who booked directly with Wizz Air should contact the airline; those who booked via a travel agent should contact their travel agent.
Dylai teithwyr a archebodd yn uniongyrchol drwy Wizz Air gysylltu â'r cwmni hedfan; dylai'r rheini a archebodd drwy asiant teithio gysylltu â'u hasiant teithio.