I'm sure this has been covered here before, but I had not noticed Thira (Santorini) mentioned. From AirlineRoute:
Wizz Air UK from August 2020 is launching 5 new routes to Spain and Greece, opened for booking since last week. Planned operation as follows.
London Luton – Alicante eff 07AUG20 1 daily A321
London Luton – Ibiza eff 08AUG20 4 weekly A320
London Luton – Mahon eff 08AUG20 3 weekly A320
London Luton – Thira eff 08AUG20 2 weekly A321
London Luton – Valencia eff 07AUG20 3 weekly A321