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 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.
- Air Canada AeroplanBooks Turkish Airlines
- Air New Zealand AirpointsBooks Turkish Airlines
- ANA Mileage ClubBooks Turkish Airlines
- Avianca LifeMilesBooks Turkish Airlines
- EVA Air Infinity MileageLandsBooks Turkish Airlines
- Lufthansa Miles & MoreBooks Turkish Airlines
- Singapore Airlines KrisFlyerBooks Turkish Airlines
- TAP Miles&GoBooks Turkish Airlines
- Thai Royal Orchid PlusBooks Turkish Airlines
- Turkish Airlines Miles&SmilesBooks Turkish Airlines
- United MileagePlusBooks Turkish Airlines
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


- Via Nice (NCE)Turkish Airlines, then easyJet


- Via Rome (FCO)Turkish Airlines, then Ryanair and Wizz Air Malta



- Via Split (SPU)Croatia Airlines, then easyJet


- Via Toulouse (TLS)Turkish Airlines, then Ryanair


- Via Barcelona (BCN)Vueling the whole way




- Via Bari (BRI)Turkish Airlines, then Ryanair


- Via Bilbao (BIO)Turkish Airlines, then Volotea and Vueling



- Via Bologna (BLQ)Turkish Airlines, then Ryanair


- Via Naples (NAP)Turkish Airlines, then easyJet


- Via Madrid (MAD)Air Europa the whole way



+1
- Via Turin (TRN)Turkish Airlines, then Ryanair


- Via Milan (MXP)Turkish Airlines, then Ryanair, easyJet and 1 more




- Via Belgrade (BEG)Air Serbia the whole way



- Via Bordeaux (BOD)Turkish Airlines, then easyJet


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.