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OPO to LMT: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Klamath Falls (Crater Lake-Klamath Regional Airport)
5,323 mi
8,567 km · 4,626 nm
10h 54m
estimated nonstop flight time
-8h
time difference · heading northwest
See live OPO→LMT fares Phone-only fares on this route — call free
Flight time details
5,323 miles nonstop takes roughly 10h 54m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
- LMT — Crater Lake-Klamath Regional Airport · Klamath Falls, United States
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 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
Near LMT
- MFR · Rogue Valley International Medford Airport60 mi away
- LKV · Lake County Airport68 mi away
- RDD · Redding Municipal Airport117 mi away
- CEC · Jack Mc Namara Field Airport131 mi away
Frequently asked questions
How far is OPO from LMT?
The flight distance from Porto (OPO) to Klamath Falls (LMT) is 5,323 miles (8,567 km, 4,626 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to LMT?
A nonstop flight takes about 10h 54m 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 Porto and Klamath Falls?
Klamath Falls is 8 hours behind Porto.
What is the cheapest way to fly from OPO to LMT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–LMT that never appear on search engines, with no booking fees.