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OPO to ISL: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Istanbul (Atatürk International Airport)
1,937 mi
3,117 km · 1,683 nm
4h 16m
estimated nonstop flight time
+2h
time difference · heading east
See live OPO→ISL fares Phone-only fares on this route — call free
Flight time details
1,937 miles nonstop takes roughly 4h 16m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
- ISL — Atatürk International Airport · Istanbul, Turkey
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 ISL
- IST · Istanbul Airport21 mi away
- SAW · Sabiha Gökçen International Airport26 mi away
- TEQ · Tekirdağ Çorlu Airport48 mi away
- BTZ · Bursa Airport52 mi away
Frequently asked questions
How far is OPO from ISL?
The flight distance from Porto (OPO) to Istanbul (ISL) is 1,937 miles (3,117 km, 1,683 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to ISL?
A nonstop flight takes about 4h 16m 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 Istanbul?
Istanbul is 2 hours ahead of Porto.
What is the cheapest way to fly from OPO to ISL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–ISL that never appear on search engines, with no booking fees.