Do I need a passport?

Yes, it is highly recommended for ferry travel between the UK and Ireland.

How long is the ferry?

The direct Holyhead to Belfast ferry takes about 8 hours.

Yes, you can drive your car onto the ferry.

Is it cheaper to fly?

Sometimes, but the ferry is more convenient if you have a car.

What is the best ferry company?

Stena Line is the primary operator for this route.

Caernarfon

Belfast

Driving Ship

Caernarfon to Belfast

Updated: 30 May 2026

The journey from Caernarfon to Belfast involves a drive to Holyhead followed by a ferry crossing to either Dublin or Belfast. The drive to Holyhead is short, taking about 45 minutes via the A55. From Holyhead, you can take a ferry to Dublin Port and drive north, or take a direct ferry to Belfast. This route is the most practical way to reach Northern Ireland from North Wales. Total travel time is approximately 7 to 8 hours including ferry boarding.

Total Distance: 250 km (including ferry), 210 km air distance.

Fastest Way

Driving to Holyhead and taking the fast ferry to Dublin, then driving to Belfast.

Cheapest Way

Foot passenger ferry ticket booked in advance via Stena Line.

Compare Caernarfon to Belfast Routes

	Driving Direct	Ship Direct
Duration	45 mins to Holyhead	8 hours
Avg Price	£40 - £70 fuel	£40 - £100
Operator	N/A	Stena Line
Route	A55 to Holyhead.	Holyhead to Belfast Port.
Tip	Ensure you have your passport or valid ID for the ferry check-in.	Book your ferry ticket well in advance, especially during summer months.

Travel Tips

Ferry Check-in
Arrive at the port at least 60 minutes before departure.
Sea Sickness
If you are prone to motion sickness, take medication before boarding.
Currency
Northern Ireland uses the British Pound.
Driving in NI
Road signs in Northern Ireland are in miles, similar to the rest of the UK.
Booking
Use a comparison site to check ferry prices across different operators.

Safety Tips

Ferry Safety
Listen to the safety briefing upon boarding the ship.
Driving
Be cautious on unfamiliar roads in Northern Ireland, especially at night.
Emergency
Dial 999 for emergency services in Northern Ireland.
Documentation
Keep your booking reference and ID easily accessible.