Porto (OPO) to Istanbul (IST) flights
One airline flies nonstop from Porto (OPO) to Istanbul (IST): Turkish Airlines. The two airports are 1,928 miles (3,103 km) apart. Turkish Airlines is in Star Alliance. There are also 64 ways to fly it with one stop, through Marseille, Nice and Rome and more.
Airlines flying nonstop from OPO to IST
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it

Book OPO to IST 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
OPO to IST with one stop
64 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Marseille (MRS)Ryanair, then Turkish Airlines


- Via Nice (NCE)easyJet, then Turkish Airlines


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



- Via Split (SPU)easyJet, then Croatia Airlines


- Via Toulouse (TLS)Ryanair, then Turkish Airlines


- Via Barcelona (BCN)Vueling the whole way




- Via Bari (BRI)Ryanair, then Turkish Airlines


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



- Via Bologna (BLQ)Ryanair, then Turkish Airlines


- Via Naples (NAP)easyJet, then Turkish Airlines


- Via Madrid (MAD)Air Europa the whole way

+1


- Via Turin (TRN)Ryanair, then Turkish Airlines


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




- Via Belgrade (BEG)Air Serbia the whole way



- Via Bordeaux (BOD)easyJet, then Turkish Airlines


OPO to IST: common questions
Which airlines fly nonstop from OPO to IST?
Turkish Airlines (Star Alliance) flies nonstop from Porto (OPO) to Istanbul (IST).
How far is Porto from Istanbul by plane?
Porto (OPO) and Istanbul (IST) 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 OPO to IST 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 OPO to IST cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for OPO to IST with taxes and fees.
Where can I connect between Porto and Istanbul?
The most direct connections are through Marseille (MRS), Nice (NCE), Rome (FCO), Split (SPU) and Toulouse (TLS). On 14 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.