Safranbolu is inland, between Istanbul and the Black Sea, and most visitors arrive by road.
There is no airport in Safranbolu. Kastamonu (KFS) is 90 minutes away with a few flights from Istanbul; Ankara (ESB) is about three hours by road and Istanbul about four and a half.
Fly to Istanbul or Ankara. Istanbul has direct flights from across the UK and Ireland with Turkish Airlines, British Airways, Pegasus and Aer Lingus; Turkish Airlines also connects to Ankara.
From Istanbul, coaches to Karabük and Safranbolu take around five hours from the Esenler and Alibeyköy terminals. From Ankara, coaches take about three hours. Hire cars are useful for Yörük village and the canyon.
Safranbolu is 10 kilometres from Karabük on the road to the Black Sea coast at Amasra, which makes a good combined trip.
Check entry rules for UK and Irish passports, read getting around Turkey and compare car hire in Safranbolu. Then pick where to stay.