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DBN to OPO: distance & flight time
Dublin (W H 'Bud' Barron Airport) → Porto (Francisco de Sá Carneiro Airport)
4,024 mi
6,476 km · 3,497 nm
8h 21m
estimated nonstop flight time
+5h
time difference · heading northeast
See live DBN→OPO fares Phone-only fares on this route — call free
Flight time details
4,024 miles nonstop takes roughly 8h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- DBN — W H 'Bud' Barron Airport · Dublin, United States
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
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 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
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
Frequently asked questions
How far is DBN from OPO?
The flight distance from Dublin (DBN) to Porto (OPO) 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 DBN to OPO?
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 Dublin and Porto?
Porto is 5 hours ahead of Dublin.
What is the cheapest way to fly from DBN to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DBN–OPO that never appear on search engines, with no booking fees.