Are there nonstop flights from Castletown (IOM) to London (LHR)?

Yes. Loganair fly this route. Flight time is about 58m.

What is the fastest connection from Castletown (IOM) to London (LHR)?

via Manchester ≈ 1h 29m, via Dublin ≈ 1h 41m, via Edinburgh ≈ 1h 54m (estimated flying time, excluding layovers).

Isle of Man Airport (IOM) to London Heathrow Airport (LHR)・403 km

Nonstop flights available (1 airline). Flight time about 58m. Nonstop return flights also operate.

3 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.