Owned by the people of Guernsey, Aurigny fly from multiple UK (& occasionally European) airports. Several daily flights available from London Gatwick.
FYI - It's pronounced "OrReeNee"
Offering daily sailings from Poole, Portsmouth, Jersey & St Malo on either one of their high speed ferries or the traditional slow boat. All boats have the ability to transport vehicles but you might want to think twice about bringing your own car... very small roads!
Operating in partnership with local airline Blue Islands, FlyBe offer flights between Guernsey & several major UK airports.