Helsinki (HEL) to Istanbul (IST) flights
One airline flies nonstop from Helsinki (HEL) to Istanbul (IST): Turkish Airlines. The two airports are 1,327 miles (2,135 km) apart. Turkish Airlines is in Star Alliance. There are also 49 ways to fly it with one stop, through Tallinn, Vilnius and Riga and more.
Airlines flying nonstop from HEL to IST
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book HEL 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
HEL to IST with one stop
49 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Tallinn (TLL)Finnair, then Turkish Airlines
- Via Vilnius (VNO)Finnair, then Turkish Airlines
- Via Riga (RIX)Air Baltic the whole way
- Via Bucharest (OTP)Norwegian Air Sweden, then TAROM, Turkish Airlines and 1 more
A2 - Via Warsaw (WAW)Finnair, then LOT - Polish Airlines and Turkish Airlines
- Via Krakow (KRK)Finnair, then LOT - Polish Airlines and Turkish Airlines
- Via Gdansk (GDN)Finnair, then LOT - Polish Airlines
- Via Budapest (BUD)Finnair, then Turkish Airlines and Wizz Air
- Via Stockholm (ARN)Finnair, Norwegian Air Sweden and 1 more, then Turkish Airlines
- Via Pristina (PRN)Norwegian Air Sweden, then Turkish Airlines
- Via Vienna (VIE)Finnair and Ryanair, then Turkish Airlines
- Via Thessaloniki (SKG)Ryanair and Finnair, then Turkish Airlines and Aegean Airlines
- Via Prague (PRG)Finnair, then Turkish Airlines
- Via Berlin (BER)Finnair and Eurowings, then Turkish Airlines
- Via Copenhagen (CPH)Finnair, Norwegian Air Sweden and 1 more, then Turkish Airlines
HEL to IST: common questions
Which airlines fly nonstop from HEL to IST?
Turkish Airlines (Star Alliance) flies nonstop from Helsinki (HEL) to Istanbul (IST).
How far is Helsinki from Istanbul by plane?
Helsinki (HEL) and Istanbul (IST) are 1,327 miles (2,135 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book HEL 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 HEL 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 HEL to IST with taxes and fees.
Where can I connect between Helsinki and Istanbul?
The most direct connections are through Tallinn (TLL), Vilnius (VNO), Riga (RIX), Bucharest (OTP) and Warsaw (WAW). On 6 of them the same airline flies both flights, for example Air Baltic through Riga.
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.