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OPO to VTE: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Vientiane (Wattay International Airport)
6,438 mi
10,361 km · 5,595 nm
13h 5m
estimated nonstop flight time
+6h
time difference · heading northeast
See live OPO→VTE fares Phone-only fares on this route — call free
Flight time details
6,438 miles nonstop takes roughly 13h 5m 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
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
- VTE — Wattay International Airport · Vientiane, Laos
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 VTE
- UTH · Udon Thani Airport44 mi away
- LOE · Loei Airport67 mi away
- ZBY · Sayaboury Airport103 mi away
- KKC · Khon Kaen Airport106 mi away
Frequently asked questions
How far is OPO from VTE?
The flight distance from Porto (OPO) to Vientiane (VTE) is 6,438 miles (10,361 km, 5,595 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to VTE?
A nonstop flight takes about 13h 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 Porto and Vientiane?
Vientiane is 6 hours ahead of Porto.
What is the cheapest way to fly from OPO to VTE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–VTE that never appear on search engines, with no booking fees.