Denver (DEN) to Istanbul (IST) flights
One airline flies nonstop from Denver (DEN) to Istanbul (IST): Turkish Airlines. The two airports are 6,116 miles (9,842 km) apart. Turkish Airlines is in Star Alliance. There are also 25 ways to fly it with one stop, through Frankfurt, Munich and Dublin and more.
Airlines flying nonstop from DEN to IST
- Turkish AirlinesStar Alliance · bookable with 11 programsWho books it
Book DEN 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
DEN to IST with one stop
25 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Frankfurt (FRA)Lufthansa the whole way
- Via Munich (MUC)Lufthansa the whole way
- Via Dublin (DUB)Aer Lingus, then Turkish Airlines
- Via London (LHR)British Airways the whole way
- Via Paris (CDG)Air France the whole way
- Via Chicago (ORD)American Airlines, Frontier Airlines and 1 more, then Turkish Airlines
- Via Montreal (YUL)Air Canada, then Turkish Airlines and Air Transat
- Via Toronto (YYZ)Air Canada and United Airlines, then Turkish Airlines and Air Transat
- Via Rome (FCO)United Airlines, then Turkish Airlines
- Via Detroit (DTW)Delta Air Lines, Frontier Airlines and 2 more, then Turkish Airlines
+1 - Via Boston (BOS)JetBlue Airways, United Airlines and 2 more, then Turkish Airlines
+1
- Via New York (EWR)United Airlines, then Turkish Airlines
- Via New York (JFK)JetBlue Airways and Delta Air Lines, then Turkish Airlines
- Via Dulles (IAD)United Airlines, then Turkish Airlines
- Via Dallas (DFW)American Airlines, Frontier Airlines and 1 more, then Turkish Airlines
DEN to IST: common questions
Which airlines fly nonstop from DEN to IST?
Turkish Airlines (Star Alliance) flies nonstop from Denver (DEN) to Istanbul (IST).
How far is Denver from Istanbul by plane?
Denver (DEN) and Istanbul (IST) are 6,116 miles (9,842 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book DEN 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 DEN 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 DEN to IST with taxes and fees.
Where can I connect between Denver and Istanbul?
The most direct connections are through Frankfurt (FRA), Munich (MUC), Dublin (DUB), London (LHR) and Paris (CDG). On 4 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.