Basel, Switzerland/Mulhouse (BSL) to Istanbul (IST) flights
One airline flies nonstop from Basel, Switzerland/Mulhouse (BSL) to Istanbul (IST): Turkish Airlines. The two airports are 1,130 miles (1,818 km) apart. Turkish Airlines is in Star Alliance. There are also 51 ways to fly it with one stop, through Zagreb, Zurich and Sofia and more.
Airlines flying nonstop from BSL to IST
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it

Book BSL 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
BSL to IST with one stop
51 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Zagreb (ZAG)Ryanair, then Turkish Airlines


- Via Zurich (ZRH)Comlux Aruba, then Turkish AirlinesCS

- Via Sofia (SOF)Wizz Air, then Turkish Airlines


- Via Venice (VCE)easyJet, then Turkish Airlines


- Via Pristina (PRN)easyJet and Comlux Aruba, then Turkish Airlines
CS
- Via Timisoara (TSR)Wizz Air Malta, then Turkish Airlines


- Via Split (SPU)easyJet, then Croatia Airlines


- Via Munich (MUC)Lufthansa the whole way





- Via Dubrovnik (DBV)easyJet, then Turkish Airlines


- Via Bucharest (OTP)Wizz Air Malta, then TAROM, Turkish Airlines and 1 more


A2 - Via Budapest (BUD)Wizz Air the whole way




- Via Vienna (VIE)Austrian Airlines and easyJet, then Turkish Airlines



- Via Thessaloniki (SKG)easyJet, then Turkish Airlines and Aegean Airlines



- Via Cluj-Napoca (CLJ)Wizz Air Malta, then Turkish Airlines and Animawings

A2 - Via Bari (BRI)easyJet, then Turkish Airlines


BSL to IST: common questions
Which airlines fly nonstop from BSL to IST?
Turkish Airlines (Star Alliance) flies nonstop from Basel, Switzerland/Mulhouse (BSL) to Istanbul (IST).
How far is Basel, Switzerland/Mulhouse from Istanbul by plane?
Basel, Switzerland/Mulhouse (BSL) and Istanbul (IST) are 1,130 miles (1,818 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book BSL 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 BSL 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 BSL to IST with taxes and fees.
Where can I connect between Basel, Switzerland/Mulhouse and Istanbul?
The most direct connections are through Zagreb (ZAG), Zurich (ZRH), Sofia (SOF), Venice (VCE) and Pristina (PRN). On 9 of them the same airline flies both flights, for example Lufthansa through Munich.
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.