Istanbul (IST) to Helsinki (HEL) flights
One airline flies nonstop from Istanbul (IST) to Helsinki (HEL): 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 IST to HEL
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book IST to HEL 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 HEL with one stop
49 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Tallinn (TLL)Turkish Airlines, then Finnair
- Via Vilnius (VNO)Turkish Airlines, then Finnair
- Via Riga (RIX)Air Baltic the whole way
- Via Bucharest (OTP)TAROM, Turkish Airlines and 1 more, then Norwegian Air Sweden
A2
- Via Warsaw (WAW)LOT - Polish Airlines and Turkish Airlines, then Finnair
- Via Krakow (KRK)LOT - Polish Airlines and Turkish Airlines, then Finnair
- Via Gdansk (GDN)LOT - Polish Airlines, then Finnair
- Via Budapest (BUD)Turkish Airlines and Wizz Air, then Finnair
- Via Stockholm (ARN)Turkish Airlines, then Finnair, Norwegian Air Sweden and 1 more
- Via Pristina (PRN)Turkish Airlines, then Norwegian Air Sweden
- Via Vienna (VIE)Turkish Airlines, then Finnair and Ryanair
- Via Thessaloniki (SKG)Turkish Airlines and Aegean Airlines, then Ryanair and Finnair
- Via Prague (PRG)Turkish Airlines, then Finnair
- Via Berlin (BER)Turkish Airlines, then Finnair and Eurowings
- Via Copenhagen (CPH)Turkish Airlines, then Finnair, Norwegian Air Sweden and 1 more
IST to HEL: common questions
Which airlines fly nonstop from IST to HEL?
Turkish Airlines (Star Alliance) flies nonstop from Istanbul (IST) to Helsinki (HEL).
How far is Istanbul from Helsinki by plane?
Istanbul (IST) and Helsinki (HEL) 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 IST to HEL 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 HEL 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 HEL with taxes and fees.
Where can I connect between Istanbul and Helsinki?
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.