Complex sentence: The nearest airports to Serre Chevalier are Turin in Italy and Grenoble in France, these are served by some of the UK's budget airlines such as EasyJet and RyanAir, so getting there can be very easy.
Split into simpler sentences: The nearest airports to Serre Chevalier are Turin in Italy and Grenoble in France. These are served by some of the UK's budget airlines such as EasyJet and RyanAir, so getting there can be very easy.