20% of all flights on wizzair.com today, if You booking for 2+ people join Xclusive club for 39.99 EUR (one year fee) and save additional (up to ) 10 EUR per one-way flight (which will be just enough to pay for joining club - may be useful in future)
3 hours flight cheaper than 3 hours of parking
pro tip - only add (and pay for) checked baggage a week before flight, when You are sure You will fly
pro tip 2 - pay via bank transfer to reduce booking fee from €8 to €4 (per person, per flight)
just booked some flights in October, worked out ~€17 per person per flight, with ALL FEES etc.