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STP to OPO: distance & flight time
St. Paul (St Paul Downtown Holman Field) → Porto (Francisco de Sá Carneiro Airport)
4,064 mi
6,540 km · 3,531 nm
8h 26m
estimated nonstop flight time
+6h
time difference · heading northeast
See live STP→OPO fares Phone-only fares on this route — call free
Flight time details
4,064 miles nonstop takes roughly 8h 26m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- STP — St Paul Downtown Holman Field · St. Paul, 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 STP
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 STP from OPO?
The flight distance from St. Paul (STP) to Porto (OPO) is 4,064 miles (6,540 km, 3,531 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STP to OPO?
A nonstop flight takes about 8h 26m 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 St. Paul and Porto?
Porto is 6 hours ahead of St. Paul.
What is the cheapest way to fly from STP to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STP–OPO that never appear on search engines, with no booking fees.