Is there a direct train?

No, there is no direct train from Belfast to Portsmouth.

How far is the airport?

Southampton Airport is about 30 km from Portsmouth.

Can I fly to Portsmouth?

You fly to Southampton Airport (SOU), which serves Portsmouth.

Yes, it is generally considered a safe city for visitors.

What is the best way?

Flying is the most efficient method for this route.

Belfast

Portsmouth

Train Flight

Belfast to Portsmouth

Updated: 28 May 2026

To reach Portsmouth from Belfast, the most practical route is flying into Southampton Airport, followed by a direct train. The flight takes approximately 75 minutes. From Southampton Airport, a direct train takes you to Portsmouth in about 50 minutes. Alternatively, you can take a ferry to Liverpool and travel by train, though this is much slower. Portsmouth is a historic naval city famous for its dockyard and the Spinnaker Tower.

Total Distance: Driving distance 620 km via ferry; straight-line air distance 510 km.

Fastest Way

Direct flight to Southampton Airport followed by the train is the fastest.

Cheapest Way

Flying to Southampton Airport is the most cost-effective and fastest method.

Compare Belfast to Portsmouth Routes

	Train Connecting	Flight Direct
Duration	13 hours	7 hours
Avg Price	150-300 GBP	100-220 GBP
Operator	South Western Railway	Eastern Airways
Route	Ferry to Liverpool, then train via London to Portsmouth.	Belfast City to Southampton Airport, then train to Portsmouth.
Tip	This route is better if you have a lot of luggage.	The train station is located right next to the airport terminal.

Travel Tips

Train Tickets
Book your train tickets in advance to save money on the Southampton-Portsmouth leg.
City Navigation
Portsmouth city centre is very walkable and pedestrian-friendly.
Booking
Book your flight at least a month ahead for the best rates.
Luggage
Check airline baggage policies before you fly to avoid extra fees.
Airport Arrival
Arrive at Belfast City at least two hours before your flight.