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OPO to DBN: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Dublin (W H 'Bud' Barron Airport)
4,024 mi
6,476 km · 3,497 nm
8h 21m
estimated nonstop flight time
-5h
time difference · heading west
See live OPO→DBN fares Phone-only fares on this route — call free
Flight time details
4,024 miles nonstop takes roughly 8h 21m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
- DBN — W H 'Bud' Barron Airport · Dublin, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 mi away
Near DBN
- WRB · Robins Air Force Base36 mi away
- MCN · Middle Georgia Regional Airport40 mi away
- VDI · Vidalia Regional Airport44 mi away
- ATL · Hartsfield Jackson Atlanta International Airport112 mi away
Frequently asked questions
How far is OPO from DBN?
The flight distance from Porto (OPO) to Dublin (DBN) is 4,024 miles (6,476 km, 3,497 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to DBN?
A nonstop flight takes about 8h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Porto and Dublin?
Dublin is 5 hours behind Porto.
What is the cheapest way to fly from OPO to DBN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–DBN that never appear on search engines, with no booking fees.