By ferry: St Malo is 2hrs by car, Roscoff 1hr 30mins, Caen 3hrs 10 mins, Cherbourg 3hrs 45 mins, Le Havre 4hrs, Dieppe 5hrs and Calais 6hrs 10 mins. Brittany Ferries sails from Portsmouth to St Malo, Cherbourg, Le Havre and Caen, from Poole to Cherbourg, and from Plymouth and Cork to Roscoff. We can get you a 20% discount with Brittany Ferries. Condor Ferries sails from Poole/Weymouth to St Malo and from Portsmouth to Cherbourg. DFDS Seaways sails from Portsmouth to Le Havre, Newhaven to Dieppe and Dover to Calais. Other Calais options are with Eurotunnel or P&O Ferries. A good place to start is aferry.co.uk.
By air: Flybe flies from Southampton and Birmingham to Brest (1hr 30mins drive), from Exeter, London Southend and Southampton to Rennes (2hrs), and from Manchester and London Gatwick to Nantes (2hrs 40mins). Ryanair flies from London Stansted, East Midlands and Leeds Bradford to Dinard (2hrs) and from Dublin, East Midlands, Leeds Bradford, and Shannon to Nantes (2hrs 40mins). EasyJet flies from Gatwick to Brest from June to September and British Airways flies from London City to Quimper (55 mins) from late May to late August. AerArann flies from Galway and Waterford to Lorient (45mins).
By rail: Direct trains from Paris to Lorient take 3hrs 40mins, or 4hrs 40mins from Paris Charles de Gaulle. Lorient is a 45-minute drive from Guebernez. For train times and prices, see Rail Europe