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FNT to OPO: distance & flight time
Flint (Bishop International Airport) → Porto (Francisco de Sá Carneiro Airport)
3,714 mi
5,978 km · 3,228 nm
7h 45m
estimated nonstop flight time
+5h
time difference · heading northeast
See live FNT→OPO fares Phone-only fares on this route — call free
Flight time details
3,714 miles nonstop takes roughly 7h 45m 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
- FNT — Bishop International Airport · Flint, 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 FNT
- DTW · Detroit Metropolitan Wayne County Airport56 mi away
- PTK · Oakland County International Airport26 mi away
- MBS · MBS International Airport43 mi away
- LAN · Capital City Airport45 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 FNT from OPO?
The flight distance from Flint (FNT) to Porto (OPO) is 3,714 miles (5,978 km, 3,228 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNT to OPO?
A nonstop flight takes about 7h 45m 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 Flint and Porto?
Porto is 5 hours ahead of Flint.
What is the cheapest way to fly from FNT to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNT–OPO that never appear on search engines, with no booking fees.