Need help booking?
Unpublished phone-only deals available
SFF to OPO: distance & flight time
Spokane (Felts Field) → Porto (Francisco de Sá Carneiro Airport)
4,905 mi
7,894 km · 4,262 nm
10h 5m
estimated nonstop flight time
+8h
time difference · heading northeast
See live SFF→OPO fares Phone-only fares on this route — call free
Flight time details
4,905 miles nonstop takes roughly 10h 5m 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
- SFF — Felts Field · Spokane, 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 SFF
- GEG · Spokane International Airport11 mi away
- SKA · Fairchild Air Force Base16 mi away
- COE · Coeur D'Alene - Pappy Boyington Field24 mi away
- PUW · Pullman Moscow Regional Airport66 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 SFF from OPO?
The flight distance from Spokane (SFF) to Porto (OPO) is 4,905 miles (7,894 km, 4,262 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFF to OPO?
A nonstop flight takes about 10h 5m 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 Spokane and Porto?
Porto is 8 hours ahead of Spokane.
What is the cheapest way to fly from SFF to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFF–OPO that never appear on search engines, with no booking fees.