Which companies offer cheap flights to Spain?

* Iberia Express: Iberia Express is a low-cost carrier based in Spain. The airline offers flights to over 40 destinations in Europe and North Africa.

* Vueling: Vueling is a low-cost carrier based in Spain. The airline offers flights to over 100 destinations in Europe, North Africa, and the Middle East.

* Ryanair: Ryanair is a low-cost carrier based in Ireland. The airline offers flights to over 200 destinations in Europe, North Africa, and the Middle East.

* EasyJet: EasyJet is a low-cost carrier based in the United Kingdom. The airline offers flights to over 100 destinations in Europe, North Africa, and the Middle East.

* Norwegian: Norwegian is a low-cost carrier based in Norway. The airline offers flights to over 150 destinations in Europe, North Africa, and the Americas.

* Wizz Air: Wizz Air is a low-cost carrier based in Hungary. The airline offers flights to over 100 destinations in Europe and the Middle East.