Dublin to Southampton is 269 miles (433 km), a flight of about 1 hour 15 minutes.
Right-side seats win overall because the departure scenery (Dublin Bay, Wicklow Mountains, Irish coastline) is more visually striking and sustained than the landing approach. The climb-out offers 10-15 minutes of clear, dramatic views over the Irish coast before crossing open water.
Flight Path
After crossing the Irish Sea, the flight passes over the Welsh coast (Pembrokeshire or Carmarthenshire region) or the Bristol Channel area depending on exact routing. The Bristol Channel and Severn Estuary are potential midpoint landmarks. The flight then tracks east-southeast across southern England toward the Solent and Southampton.
Great circle distance and headings ›Phase by phase

Takeoff from DUB
RIGHTRight-side seats capture the Irish coastline and Dublin Bay as you climb out over the Irish Sea. You'll see the curve of the bay and the Wicklow Mountains rising inland to the south, which are genuinely distinctive from altitude.
Landing at SOU
LEFTLeft-side seats on approach to Southampton offer views of the New Forest and the Solent waterway. As you descend toward the runway, you'll see the distinctive patchwork of forest and heathland, plus the narrow strait separating the Isle of Wight from the mainland.
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About This Route
Which side of the plane should I sit on flying from Dublin (DUB) to Southampton (SOU)?
Sit on the Right side of the plane for the best views on flights from Dublin to Southampton. Right-side seats win overall because the departure scenery (Dublin Bay, Wicklow Mountains, Irish coastline) is more visually striking and sustained than the landing approach. The climb-out offers 10-15 minutes of clear, dramatic views over the Irish coast before crossing open water.
What can I see during takeoff from Dublin in Dublin?
During takeoff from Dublin (DUB), sit on the Right side for the best views. Right-side seats capture the Irish coastline and Dublin Bay as you climb out over the Irish Sea. You'll see the curve of the bay and the Wicklow Mountains rising inland to the south, which are genuinely distinctive from altitude. Notable sights include: Dublin Bay, Wicklow Mountains, Irish Sea coastline, Howth Peninsula.
What can I see when landing at Southampton in Southampton?
When landing at Southampton (SOU), sit on the Left side for the best views. Left-side seats on approach to Southampton offer views of the New Forest and the Solent waterway. As you descend toward the runway, you'll see the distinctive patchwork of forest and heathland, plus the narrow strait separating the Isle of Wight from the mainland. Notable sights include: The Solent, Isle of Wight, New Forest, Southampton Water.
How long is the flight from Dublin to Southampton?
The flight from Dublin (DUB) to Southampton (SOU) takes about 1 hour 15 minutes. The shortest flight path between them is 269 miles (433 km); winds and air traffic control usually add a few percent.
What does the Dublin to Southampton flight path pass over?
After crossing the Irish Sea, the flight passes over the Welsh coast (Pembrokeshire or Carmarthenshire region) or the Bristol Channel area depending on exact routing. The Bristol Channel and Severn Estuary are potential midpoint landmarks. The flight then tracks east-southeast across southern England toward the Solent and Southampton.