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SPI to OPO: distance & flight time
Springfield (Abraham Lincoln Capital Airport) → Porto (Francisco de Sá Carneiro Airport)
4,087 mi
6,577 km · 3,551 nm
8h 29m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SPI→OPO fares Phone-only fares on this route — call free
Flight time details
4,087 miles nonstop takes roughly 8h 29m 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
- SPI — Abraham Lincoln Capital Airport · Springfield, 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 SPI
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 SPI from OPO?
The flight distance from Springfield (SPI) to Porto (OPO) is 4,087 miles (6,577 km, 3,551 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPI to OPO?
A nonstop flight takes about 8h 29m 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 Springfield and Porto?
Porto is 6 hours ahead of Springfield.
What is the cheapest way to fly from SPI to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPI–OPO that never appear on search engines, with no booking fees.