The budget carrier will launch daily flights to Gdansk from Gatwick starting June 15.
Three-times weekly Birmingham-Krakow flights will commence on September 17, flying Tuesdays, Thursdays and Saturdays.
Economy fares lead in from £17.99 one-way, with tickets on sale now.
The announcement grows Wizz Air’s route network to 96 across 27 countries from nine UK airports.
Managing director Owain Jones: “I’m sure our customers will love exploring all the unique Polish cities of Gdansk and Krakow have to offer.
“Our base in Krakow has gone from strength to strength since opening in September, providing passengers with the chance to travel to one of Europe’s most fascinating cities, steeped in culture and history with a vibrant culinary scene.”
