Turkey to Portugal · 1,928 miles (3,103 km)

Istanbul (IST) to Porto (OPO) flights

One airline flies nonstop from Istanbul (IST) to Porto (OPO): Turkish Airlines. The two airports are 1,928 miles (3,103 km) apart. Turkish Airlines is in Star Alliance. There are also 65 ways to fly it with one stop, through Marseille, Nice and Rome and more.

Airlines flying nonstop from IST to OPO

  • Turkish Airlines logo
    Turkish AirlinesStar Alliance · bookable with 11 programsWho books it

Book IST to OPO with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IST to OPO with one stop

65 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Marseille (MRS)Turkish Airlines, then Ryanair
    Turkish Airlines logo
    Ryanair logo
  • Via Nice (NCE)Turkish Airlines, then easyJet
    Turkish Airlines logo
    easyJet logo
  • Via Rome (FCO)Turkish Airlines, then Ryanair and Wizz Air Malta
    Turkish Airlines logo
    Ryanair logo
    Wizz Air Malta logo
  • Via Split (SPU)Croatia Airlines, then easyJet
    Croatia Airlines logo
    easyJet logo
  • Via Toulouse (TLS)Turkish Airlines, then Ryanair
    Turkish Airlines logo
    Ryanair logo
  • Via Barcelona (BCN)Vueling the whole way
    Turkish Airlines logo
    Vueling logo
    Ryanair logo
    Vueling logo
  • Via Bari (BRI)Turkish Airlines, then Ryanair
    Turkish Airlines logo
    Ryanair logo
  • Via Bilbao (BIO)Turkish Airlines, then Volotea and Vueling
    Turkish Airlines logo
    Volotea logo
    Vueling logo
  • Via Bologna (BLQ)Turkish Airlines, then Ryanair
    Turkish Airlines logo
    Ryanair logo
  • Via Naples (NAP)Turkish Airlines, then easyJet
    Turkish Airlines logo
    easyJet logo
  • Via Madrid (MAD)Air Europa the whole way
    Turkish Airlines logo
    Air Europa logo
    Ryanair logo
    Iberia logo
    Air Europa logo
    +1
  • Via Turin (TRN)Turkish Airlines, then Ryanair
    Turkish Airlines logo
    Ryanair logo
  • Via Milan (MXP)Turkish Airlines, then Ryanair, easyJet and 1 more
    Turkish Airlines logo
    Ryanair logo
    easyJet logo
    Wizz Air Malta logo
  • Via Belgrade (BEG)Air Serbia the whole way
    Turkish Airlines logo
    Air Serbia logo
    Air Serbia logo
  • Via Bordeaux (BOD)Turkish Airlines, then easyJet
    Turkish Airlines logo
    easyJet logo
See all 65 in Routes

IST to OPO: common questions

Which airlines fly nonstop from IST to OPO?

Turkish Airlines (Star Alliance) flies nonstop from Istanbul (IST) to Porto (OPO).

How far is Istanbul from Porto by plane?

Istanbul (IST) and Porto (OPO) are 1,928 miles (3,103 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IST to OPO award flights?

11 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer, TAP Miles&Go and 3 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does IST to OPO cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IST to OPO with taxes and fees.

Where can I connect between Istanbul and Porto?

The most direct connections are through Marseille (MRS), Nice (NCE), Rome (FCO), Split (SPU) and Toulouse (TLS). On 15 of them the same airline flies both flights, for example Vueling through Barcelona.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.