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LWT to OPO: distance & flight time
Lewistown (Lewistown Municipal Airport) → Porto (Francisco de Sá Carneiro Airport)
4,647 mi
7,478 km · 4,038 nm
9h 35m
estimated nonstop flight time
+7h
time difference · heading northeast
See live LWT→OPO fares Phone-only fares on this route — call free
Flight time details
4,647 miles nonstop takes roughly 9h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- LWT — Lewistown Municipal Airport · Lewistown, 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 LWT
- GTF · Great Falls International Airport94 mi away
- BIL · Billings Logan International Airport96 mi away
- HVR · Havre City County Airport104 mi away
- LVM · Mission Field104 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 LWT from OPO?
The flight distance from Lewistown (LWT) to Porto (OPO) is 4,647 miles (7,478 km, 4,038 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LWT to OPO?
A nonstop flight takes about 9h 35m 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 Lewistown and Porto?
Porto is 7 hours ahead of Lewistown.
What is the cheapest way to fly from LWT to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LWT–OPO that never appear on search engines, with no booking fees.