Hethrow to St. Jean Pied de Port

Hi there,

I don't know about Heathrow... but you can fly from London Stansted to Biarritz with Ryanair. And then bus and train to St Jean. However, depending on your schedule and money, it may just be easier to pay a little more and try and find a flight from Heathrow to Biarritz.

Good luck!