Is there a direct train from Antrim to Portsmouth?

No, you must fly to London first.

How long is the train from Gatwick to Portsmouth?

The journey takes about 2.5 hours.

Are there direct flights to Portsmouth?

No, you usually fly to London airports.

What is the best way to get to the dockyard?

It is a short walk from Portsmouth Harbour station.

Can I use a railcard?

Yes, standard UK railcards are valid.

Portsmouth

Train Flight

Antrim to Portsmouth

Updated: 28 May 2026

To reach Portsmouth from Antrim, fly from Belfast International to London Gatwick. From there, take a direct train to Portsmouth Harbour. The total travel time is approximately 7 hours. This route connects Northern Ireland to the historic naval city of Portsmouth. The distance is roughly 520 km.

Total Distance: 520 km driving distance, 470 km straight-line air distance.

Fastest Way

Flight to London followed by a direct train to Portsmouth.

Cheapest Way

Booking flight and train tickets in advance.

Compare Antrim to Portsmouth Routes

	Train Direct	Flight Direct
Duration	2 hours 30 mins	1 hour 20 mins
Avg Price	25-60 GBP	50-120 GBP
Operator	Southern Railway	EasyJet
Route	London Gatwick to Portsmouth Harbour	Belfast International to London Gatwick
Tip	Direct trains run regularly from the airport.	Book early for the best rates.