Flights from London to Glasgow and Inverness connect with onward flights to Stornoway. Easyjet run inexpensive flights to Inverness, and from there you can catch the bus to Ullapool and then the afternoon ferry from Ullapool to Stornoway. The Caledonian Sleeper connects one from London to Inverness. Megabus run coaches from London via Glasgow to Inverness both overnight and during the daytime.