The closest airport is Bordeaux (93km/58miles away). The best option is to drive from the airport which is an easy and direct route mainly on the A10, which takes about 1 hour and 30 minutes (dependent on traffic). Bordeaux airport has a large range of direct flights from the UK: Glasgow, Belfast, Manchester, Bristol, and the main London airports Luton, Stanstead and Gatwick Here is a website of updated flight schedules from the uk https://thegetawaylounge.co.uk/blog/which-uk-airports-fly-direct-to-bordeaux
Car rental:
There is a large selection of rental firms on-site at the airport and the cars are situated in the main front car park for ease of access. Book in advance to get the best cheap deals. https://www.bordeaux.aeroport.fr/en/stores-services/car-rental
By train:
Typically, the train journey from London to Bordeaux takes 5hrs 55mins. Hop on Eurostar at St Pancras International and you’ll travel to Paris Gare du Nord, where you’ll connect to Gare Montparnasse to continue on to Gare St Jean at Bordeaux The best way to get from the train station to the house is by car. Car hire is available from the train station. The drive is about 1 hour and 30 minutes (dependent on traffic).