Iberia:
www.iberia.com

KLM:
www.klm.com

Lufthansa:
www.lufthansa.com

Ryan Air:
www.ryanair.com
Known For: Cheapest flights around Europe – The Airports they fly into are usually far away from the major cities

Span Air:
www.spanair.com

Swiss Air:
www.swissair.com

TAP Portugal Airlines:
www.flytap.com

Turkish Airlines:
www.thy.com

Vueling:
www.vueling.com