Boston (BOS) to Istanbul (IST) flights
One airline flies nonstop from Boston (BOS) to Istanbul (IST): Turkish Airlines. The two airports are 4,802 miles (7,728 km) apart. Turkish Airlines is in Star Alliance. There are also 40 ways to fly it with one stop, through Dublin, Frankfurt and London and more.
Airlines flying nonstop from BOS to IST
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book BOS 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
BOS to IST with one stop
40 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dublin (DUB)Delta Air Lines, Aer Lingus and 1 more, then Turkish Airlines
- Via Frankfurt (FRA)Lufthansa the whole way
- Via London (LHR)British Airways the whole way
+2
- Via Munich (MUC)Lufthansa the whole way
- Via Vienna (VIE)Austrian Airlines, then Turkish Airlines
- Via Amsterdam (AMS)KLM the whole way
- Via London (LGW)JetBlue Airways, then Turkish Airlines and Wizz Air UK
- Via Paris (CDG)Air France the whole way
- Via Zurich (ZRH)SWISS, then Turkish Airlines
- Via Edinburgh (EDI)Delta Air Lines and JetBlue Airways, then Turkish Airlines
- Via Milan (MXP)Delta Air Lines and JetBlue Airways, then Turkish Airlines
- Via Copenhagen (CPH)Scandinavian Airlines, then Turkish Airlines
- Via Nice (NCE)Delta Air Lines, then Turkish Airlines
- Via Rome (FCO)ITA Airways and Delta Air Lines, then Turkish Airlines
- Via Barcelona (BCN)Iberia, Delta Air Lines and 1 more, then Turkish Airlines and Vueling
BOS to IST: common questions
Which airlines fly nonstop from BOS to IST?
Turkish Airlines (Star Alliance) flies nonstop from Boston (BOS) to Istanbul (IST).
How far is Boston from Istanbul by plane?
Boston (BOS) and Istanbul (IST) are 4,802 miles (7,728 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book BOS 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 BOS 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 BOS to IST with taxes and fees.
Where can I connect between Boston and Istanbul?
The most direct connections are through Dublin (DUB), Frankfurt (FRA), London (LHR), Munich (MUC) and Vienna (VIE). On 8 of them the same airline flies both flights, for example Lufthansa through Frankfurt.
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.