As of 30 March KLM have started a new route from Amsterdam to Exeter Airport.
That may be of use for those heading transatlantic direct to Devon and Cornwall. There is a bus service every 30 minutes from Exeter Airport to the city centre and St David's railway station.
The timings are- Exeter 17:20 Amsterdam 19:50, Amsterdam 16:15 Exeter 16:50
The flights use an 88-seat Embraer 175 regional jet aircraft.