Istanbul (IST) to Basel, Switzerland/Mulhouse (BSL) flights
One airline flies nonstop from Istanbul (IST) to Basel, Switzerland/Mulhouse (BSL): Turkish Airlines. The two airports are 1,130 miles (1,818 km) apart. Turkish Airlines is in Star Alliance. There are also 50 ways to fly it with one stop, through Zagreb, Sofia and Venice and more.
Airlines flying nonstop from IST to BSL
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book IST to BSL 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 BSL with one stop
50 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Zagreb (ZAG)Turkish Airlines, then Ryanair
- Via Sofia (SOF)Turkish Airlines, then Wizz Air
- Via Venice (VCE)Turkish Airlines, then easyJet
- Via Pristina (PRN)Turkish Airlines, then easyJet and Comlux ArubaCS
- Via Split (SPU)Croatia Airlines, then easyJet
- Via Munich (MUC)Lufthansa the whole way
- Via Varna (VAR)Turkish Airlines, then Wizz Air
- Via Dubrovnik (DBV)Turkish Airlines, then easyJet
- Via Bucharest (OTP)TAROM, Turkish Airlines and 1 more, then Wizz Air Malta
A2 - Via Budapest (BUD)Wizz Air the whole way
- Via Vienna (VIE)Turkish Airlines, then Austrian Airlines and easyJet
- Via Thessaloniki (SKG)Turkish Airlines and Aegean Airlines, then easyJet
- Via Cluj-Napoca (CLJ)Turkish Airlines and Animawings, then Wizz Air MaltaA2
- Via Bari (BRI)Turkish Airlines, then easyJet
- Via Prague (PRG)Turkish Airlines, then easyJet
IST to BSL: common questions
Which airlines fly nonstop from IST to BSL?
Turkish Airlines (Star Alliance) flies nonstop from Istanbul (IST) to Basel, Switzerland/Mulhouse (BSL).
How far is Istanbul from Basel, Switzerland/Mulhouse by plane?
Istanbul (IST) and Basel, Switzerland/Mulhouse (BSL) 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 IST to BSL 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 BSL 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 BSL with taxes and fees.
Where can I connect between Istanbul and Basel, Switzerland/Mulhouse?
The most direct connections are through Zagreb (ZAG), Sofia (SOF), Venice (VCE), Pristina (PRN) and Split (SPU). On 10 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.