AURIGNY
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"
Aurigny
CONDOR FERRIES
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!
Condor Ferries
BLUE ISLANDS
Local airline Blue Islands offer flights between Guernsey & several major UK airports - as far North as Scotland!
FlyBe