Following low-cost airlines are flying to/from Polish cities:

AIR BALTIC (Latvia)

Warsaw

• Helsinki
• Riga
• Vilnius 

CENTRAL WINGS (Poland)

Gdansk

• Dublin
• Edinburgh
• Shannon

Katowice

• Cologne
• Edinburgh
• Shannon

Krakow

• Bologna
• Cork
• London
• Rome

Warsaw

• Bologna
• Edinburgh
• Grenoble
• Lille, Lisbon, London
• Rome
• Shannon
• Wroclaw

Wroclaw

• Cork
• Dublin
• London
• Rome
• Warsaw

EASY JET (UK)

Warsaw

• London

GERMAN WINGS (Germany)

Gdansk

• Cologne

Krakow

• Cologne
• Hamburg
• Stuttgart

Warsaw

• Cologne
• Hamburg
• Stuttgart

JET2 (UK)

Krakow

• Leeds Bradford
• Newcastle

Warsaw

• Manchester

SKYEUROPE (Slovakia)

Katowice/Gliwice

• Amsterdam
• Barcelona, Birmingham, Brussels
• Dublin
• Krakow
• London
• Manchester, Milan
• Paris
• Rome
• Torino

Krakow

• Amsterdam, Athens
• Barcelona, Birmingham, Brussels
• Dublin, Dubrovnik
• Edinburgh
• Gliwice/Katowice
• London
• Manchester, Milan
• Naples
• Paris
• Rome
• Split
• Torino

Warsaw

• Paris
• Rome

WIZZ AIR (Hungary, Poland) 

Gdansk

• Cologne, Cork
• Doncaster, Dortmund
• Glasgow
• Hamburg
• Liverpool, London
• Malmo
• Stockholm

Katowice

• Athens
• Barcelona, Belfast, Bourgas, Bournemouth
• Cologne, Cork, Coventry, Crete-Heraklion
• Doncaster-Sheffield, Dortmund
• Eindhhoven
• Frankufrt
• Liverpool, London
• Milan
• Oslo
• Paris
• Rome
• Stockholm 

Poznan

• London
• Stockholm

Warsaw

• Belfast, Bourgas, Brussels, Budapest
• Corfu
• Dortmund, Durham Tees Valley
• Frankufrt
• Glasgow, Gothenburg, Grenoble
• Liverpool, London
• Malmo
• Oslo
• Paris
• Stockholm 

Wroclaw

• Dortmund