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FLG to OPO: distance & flight time
Flagstaff (Flagstaff Pulliam Airport) → Porto (Francisco de Sá Carneiro Airport)
5,254 mi
8,455 km · 4,565 nm
10h 46m
estimated nonstop flight time
+8h
time difference · heading northeast
See live FLG→OPO fares Phone-only fares on this route — call free
Flight time details
5,254 miles nonstop takes roughly 10h 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- FLG — Flagstaff Pulliam Airport · Flagstaff, 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 FLG
- SDX · Sedona Airport21 mi away
- PRC · Ernest A. Love Field54 mi away
- INW · Winslow Lindbergh Regional Airport54 mi away
- GCN · Grand Canyon National Park Airport62 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 FLG from OPO?
The flight distance from Flagstaff (FLG) to Porto (OPO) is 5,254 miles (8,455 km, 4,565 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLG to OPO?
A nonstop flight takes about 10h 46m 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 Flagstaff and Porto?
Porto is 8 hours ahead of Flagstaff.
What is the cheapest way to fly from FLG to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLG–OPO that never appear on search engines, with no booking fees.