Need help booking?
Unpublished phone-only deals available
IKA to OPO: distance & flight time
Tehran (Imam Khomeini International Airport) → Porto (Francisco de Sá Carneiro Airport)
3,204 mi
5,156 km · 2,784 nm
6h 45m
estimated nonstop flight time
-2.5h
time difference · heading northwest
See live IKA→OPO fares Phone-only fares on this route — call free
Flight time details
3,204 miles nonstop takes roughly 6h 45m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- IKA — Imam Khomeini International Airport · Tehran, Iran
- 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 IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 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 IKA from OPO?
The flight distance from Tehran (IKA) to Porto (OPO) is 3,204 miles (5,156 km, 2,784 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKA to OPO?
A nonstop flight takes about 6h 45m 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 Tehran and Porto?
Porto is 2.5 hours behind Tehran.
What is the cheapest way to fly from IKA to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKA–OPO that never appear on search engines, with no booking fees.