Ryanair

Fly from Riga to Paris just for 81.15 EUR return ticket

From Warsaw to Chania (Crete) for 104.46 EUR (434 PLN) return ticket

Fly both ways from Lithuania to Cyprus from 101 EUR

Fly in summer from Warsaw to Thessaloniki from 90.10 EUR for return ticket

Fly from Warsaw to Rome just from 65.55 EUR for return ticket