Need help booking?
Unpublished phone-only deals available
BWI to OPO: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Porto (Francisco de Sá Carneiro Airport)
3,495 mi
5,625 km · 3,037 nm
7h 19m
estimated nonstop flight time
+5h
time difference · heading northeast
See live BWI→OPO fares Phone-only fares on this route — call free
Flight time details
3,495 miles nonstop takes roughly 7h 19m 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
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, 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 BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 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 BWI from OPO?
The flight distance from Baltimore (BWI) to Porto (OPO) is 3,495 miles (5,625 km, 3,037 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to OPO?
A nonstop flight takes about 7h 19m 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 Baltimore and Porto?
Porto is 5 hours ahead of Baltimore.
What is the cheapest way to fly from BWI to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–OPO that never appear on search engines, with no booking fees.