Cheap flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport from C$ 633
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Istanbul are usually found in September or October, booked 88 days in advance, depart on a Monday or Tuesday and return on a Monday
Find flight deals from Dulles Intl to Istanbul
Cheapest flights from Dulles Intl to IstanbulExplore the most affordable flight options available from Dulles Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2025.
Explore the most affordable flight options available from Dulles Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2025.
Cheap flight deals from Dulles Intl to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Tue 21/4
6:30 p.m.-4:20 p.m.
2 stops14h 50m
Istanbul
Sat 2/5
4:25 a.m.-4:20 p.m.
1 stop18h 55m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Wed 11/2
6:00 p.m.-6:05 p.m.
1 stop16h 05m
Istanbul
Sat 21/2
6:30 a.m.-3:50 p.m.
1 stop17h 20m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Wed 11/2
12:35 p.m.-6:05 p.m.
2 stops21h 30m
Istanbul
Fri 20/2
6:30 a.m.-3:50 p.m.
1 stop17h 20m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Thu 12/2
8:30 p.m.-10:45 p.m.
2 stops18h 15m
Istanbul
Sat 21/2
6:30 a.m.-3:50 p.m.
1 stop17h 20m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Wed 3/12
10:08 a.m.-4:55 p.m.
2 stops22h 47m
Istanbul
Wed 10/12
4:50 a.m.-7:15 p.m.
1 stop22h 25m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Thu 12/3
10:15 p.m.-3:20 p.m.
Nonstop10h 05m
Istanbul
Sun 22/3
8:30 a.m.-12:45 p.m.
Nonstop11h 15m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Sun 19/4
8:20 p.m.-3:40 a.m.
1 stop24h 20m
Istanbul
Tue 28/4
4:30 a.m.-7:16 p.m.
3 stops21h 46m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Sat 18/4
8:20 p.m.-3:40 a.m.
1 stop24h 20m
Istanbul
Tue 28/4
4:30 a.m.-7:16 p.m.
3 stops21h 46m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Sun 23/11
10:55 p.m.-10:45 p.m.
2 stops15h 50m
Istanbul
Sun 7/12
6:30 a.m.-8:05 p.m.
2 stops21h 35m
Washington, D.C.Istanbul
IAD - IST
IADIST
Washington, D.C. Dulles Intl
Sun 25/1
6:20 p.m.-6:05 p.m.
2 stops15h 45m
Istanbul
Sun 8/2
6:30 a.m.-4:40 p.m.
2 stops18h 10m
Best time to book a flight from Dulles Intl to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from Dulles Intl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport?
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Istanbul Airport (average of C$ 631). Flying from Washington, D.C. Dulles Intl Airport to Istanbul Airport in June is currently the most expensive (average of C$ 1,093). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to IST?
Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Washington, D.C. Dulles Intl Airport to Istanbul Airport by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Istanbul Airport?
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Istanbul Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Washington, D.C. to Istanbul delayed?
About 22% of weekly flights between Washington, D.C. and Istanbul have experienced delays in the past year, with the average delay time being 186 minutes.
What is the most punctual flight time for Washington, D.C. to Istanbul flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to Istanbul flights?
Over the past year, Thai Airways has had the lowest number of delays on this route, with just 12% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Istanbul Airport?
Book flights to Istanbul Airport if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Complete your trip to Istanbul by adding a car rental and/or hotel reservation to your travel itinerary.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Dulles Intl to Istanbul?
Cheapflights makes it easy to find Dulles Intl to Istanbul flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Istanbul?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to Istanbul.
Can Cheapflights find flights from Dulles Intl to Istanbul with no change fees?
Need flexible booking options for your flight to Istanbul from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Dulles Intl to Istanbul become cheaper?
Not ready to book yet? You can track prices for flights from Dulles Intl to Istanbul on Cheapflights with our Price Alert feature and get notified when better prices are available.