Porto to Dublin is 849 miles (1,366 km), a flight of about 2 hours 15 minutes.
The right side captures the only meaningful terrain features on this mostly oceanic route — Porto's riverside skyline at departure and Dublin Bay's coastline with Howth Head at arrival — while the left side faces open Atlantic for nearly the entire flight.
Flight Path
Bay of Biscay and the Celtic Sea, with no significant land visible for most of the cruise phase as the route stays well offshore of Brittany and southwest England.
Great circle distance and headings ›Phase by phase
Takeoff from OPO
RIGHTPorto's runway 17 departure climbs south over the city before turning north toward Ireland, giving right-side passengers a good look at the Douro River mouth, the historic Porto-Vila Nova de Gaia riverfront, and the Atlantic coastline before the aircraft banks away from land.

Landing at DUB
RIGHTOn the common westerly approach into Dublin (runway 28), the aircraft crosses the Irish Sea and descends past Dublin Bay, with Howth Head's rocky peninsula and the city's skyline visible to the north side of the aircraft's right window as it lines up for landing.
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About This Route
Which side of the plane should I sit on flying from Porto (OPO) to Dublin (DUB)?
Sit on the Right side of the plane for the best views on flights from Porto to Dublin. The right side captures the only meaningful terrain features on this mostly oceanic route — Porto's riverside skyline at departure and Dublin Bay's coastline with Howth Head at arrival — while the left side faces open Atlantic for nearly the entire flight.
What can I see during takeoff from Porto in Porto?
During takeoff from Porto (OPO), sit on the Right side for the best views. Porto's runway 17 departure climbs south over the city before turning north toward Ireland, giving right-side passengers a good look at the Douro River mouth, the historic Porto-Vila Nova de Gaia riverfront, and the Atlantic coastline before the aircraft banks away from land. Notable sights include: Douro River estuary, Porto/Vila Nova de Gaia riverfront, Atlantic coast dunes near Matosinhos.
What can I see when landing at Dublin in Dublin?
When landing at Dublin (DUB), sit on the Right side for the best views. On the common westerly approach into Dublin (runway 28), the aircraft crosses the Irish Sea and descends past Dublin Bay, with Howth Head's rocky peninsula and the city's skyline visible to the north side of the aircraft's right window as it lines up for landing. Notable sights include: Howth Head peninsula, Dublin Bay, Dublin city skyline, River Liffey mouth.
How long is the flight from Porto to Dublin?
The flight from Porto (OPO) to Dublin (DUB) takes about 2 hours 15 minutes. The shortest flight path between them is 849 miles (1,366 km); winds and air traffic control usually add a few percent.
What does the Porto to Dublin flight path pass over?
Bay of Biscay and the Celtic Sea, with no significant land visible for most of the cruise phase as the route stays well offshore of Brittany and southwest England.